diff --git a/backend-node/src/app.ts b/backend-node/src/app.ts
index 104a7fbe..d214c19a 100644
--- a/backend-node/src/app.ts
+++ b/backend-node/src/app.ts
@@ -73,6 +73,7 @@ import entitySearchRoutes from "./routes/entitySearchRoutes"; // 엔티티 검
 import orderRoutes from "./routes/orderRoutes"; // 수주 관리
 import screenEmbeddingRoutes from "./routes/screenEmbeddingRoutes"; // 화면 임베딩 및 데이터 전달
 import vehicleTripRoutes from "./routes/vehicleTripRoutes"; // 차량 운행 이력 관리
+import driverRoutes from "./routes/driverRoutes"; // 공차중계 운전자 관리
 import { BatchSchedulerService } from "./services/batchSchedulerService";
 // import collectionRoutes from "./routes/collectionRoutes"; // 임시 주석
 // import batchRoutes from "./routes/batchRoutes"; // 임시 주석
@@ -238,6 +239,7 @@ app.use("/api/code-merge", codeMergeRoutes); // 코드 병합
 app.use("/api/numbering-rules", numberingRuleRoutes); // 채번 규칙 관리
 app.use("/api/entity-search", entitySearchRoutes); // 엔티티 검색
 app.use("/api/orders", orderRoutes); // 수주 관리
+app.use("/api/driver", driverRoutes); // 공차중계 운전자 관리
 app.use("/api", screenEmbeddingRoutes); // 화면 임베딩 및 데이터 전달
 app.use("/api/vehicle", vehicleTripRoutes); // 차량 운행 이력 관리
 // app.use("/api/collections", collectionRoutes); // 임시 주석
diff --git a/backend-node/src/controllers/adminController.ts b/backend-node/src/controllers/adminController.ts
index da0ea772..3ac5d26b 100644
--- a/backend-node/src/controllers/adminController.ts
+++ b/backend-node/src/controllers/adminController.ts
@@ -1428,10 +1428,51 @@ export async function deleteMenu(
       }
     }
 
+    // 외래키 제약 조건이 있는 관련 테이블 데이터 먼저 정리
+    const menuObjid = Number(menuId);
+    
+    // 1. category_column_mapping에서 menu_objid를 NULL로 설정
+    await query(
+      `UPDATE category_column_mapping SET menu_objid = NULL WHERE menu_objid = $1`,
+      [menuObjid]
+    );
+    
+    // 2. code_category에서 menu_objid를 NULL로 설정
+    await query(
+      `UPDATE code_category SET menu_objid = NULL WHERE menu_objid = $1`,
+      [menuObjid]
+    );
+    
+    // 3. code_info에서 menu_objid를 NULL로 설정
+    await query(
+      `UPDATE code_info SET menu_objid = NULL WHERE menu_objid = $1`,
+      [menuObjid]
+    );
+    
+    // 4. numbering_rules에서 menu_objid를 NULL로 설정
+    await query(
+      `UPDATE numbering_rules SET menu_objid = NULL WHERE menu_objid = $1`,
+      [menuObjid]
+    );
+    
+    // 5. rel_menu_auth에서 관련 권한 삭제
+    await query(
+      `DELETE FROM rel_menu_auth WHERE menu_objid = $1`,
+      [menuObjid]
+    );
+    
+    // 6. screen_menu_assignments에서 관련 할당 삭제
+    await query(
+      `DELETE FROM screen_menu_assignments WHERE menu_objid = $1`,
+      [menuObjid]
+    );
+
+    logger.info("메뉴 관련 데이터 정리 완료", { menuObjid });
+
     // Raw Query를 사용한 메뉴 삭제
     const [deletedMenu] = await query<any>(
       `DELETE FROM menu_info WHERE objid = $1 RETURNING *`,
-      [Number(menuId)]
+      [menuObjid]
     );
 
     logger.info("메뉴 삭제 성공", { deletedMenu });
diff --git a/backend-node/src/controllers/authController.ts b/backend-node/src/controllers/authController.ts
index 374015ee..6f72eb10 100644
--- a/backend-node/src/controllers/authController.ts
+++ b/backend-node/src/controllers/authController.ts
@@ -384,4 +384,69 @@ export class AuthController {
       });
     }
   }
+
+  /**
+   * POST /api/auth/signup
+   * 공차중계 회원가입 API
+   */
+  static async signup(req: Request, res: Response): Promise<void> {
+    try {
+      const { userId, password, userName, phoneNumber, licenseNumber, vehicleNumber, vehicleType } = req.body;
+
+      logger.info(`=== 공차중계 회원가입 API 호출 ===`);
+      logger.info(`userId: ${userId}, vehicleNumber: ${vehicleNumber}`);
+
+      // 입력값 검증
+      if (!userId || !password || !userName || !phoneNumber || !licenseNumber || !vehicleNumber) {
+        res.status(400).json({
+          success: false,
+          message: "필수 입력값이 누락되었습니다.",
+          error: {
+            code: "INVALID_INPUT",
+            details: "아이디, 비밀번호, 이름, 연락처, 면허번호, 차량번호는 필수입니다.",
+          },
+        });
+        return;
+      }
+
+      // 회원가입 처리
+      const signupResult = await AuthService.signupDriver({
+        userId,
+        password,
+        userName,
+        phoneNumber,
+        licenseNumber,
+        vehicleNumber,
+        vehicleType,
+      });
+
+      if (signupResult.success) {
+        logger.info(`공차중계 회원가입 성공: ${userId}`);
+        res.status(201).json({
+          success: true,
+          message: "회원가입이 완료되었습니다.",
+        });
+      } else {
+        logger.warn(`공차중계 회원가입 실패: ${userId} - ${signupResult.message}`);
+        res.status(400).json({
+          success: false,
+          message: signupResult.message || "회원가입에 실패했습니다.",
+          error: {
+            code: "SIGNUP_FAILED",
+            details: signupResult.message,
+          },
+        });
+      }
+    } catch (error) {
+      logger.error("공차중계 회원가입 API 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "회원가입 처리 중 오류가 발생했습니다.",
+        error: {
+          code: "SIGNUP_ERROR",
+          details: error instanceof Error ? error.message : "알 수 없는 오류",
+        },
+      });
+    }
+  }
 }
diff --git a/backend-node/src/controllers/driverController.ts b/backend-node/src/controllers/driverController.ts
new file mode 100644
index 00000000..a448d9c0
--- /dev/null
+++ b/backend-node/src/controllers/driverController.ts
@@ -0,0 +1,458 @@
+// 공차중계 운전자 컨트롤러
+import { Request, Response } from "express";
+import { query } from "../database/db";
+import { logger } from "../utils/logger";
+
+export class DriverController {
+  /**
+   * GET /api/driver/profile
+   * 운전자 프로필 조회
+   */
+  static async getProfile(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user?.userId;
+
+      if (!userId) {
+        res.status(401).json({
+          success: false,
+          message: "인증이 필요합니다.",
+        });
+        return;
+      }
+
+      // 사용자 정보 조회
+      const userResult = await query<any>(
+        `SELECT 
+          user_id, user_name, cell_phone, license_number, vehicle_number, signup_type, branch_name
+        FROM user_info 
+        WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (userResult.length === 0) {
+        res.status(404).json({
+          success: false,
+          message: "사용자를 찾을 수 없습니다.",
+        });
+        return;
+      }
+
+      const user = userResult[0];
+
+      // 공차중계 사용자가 아닌 경우
+      if (user.signup_type !== "DRIVER") {
+        res.status(403).json({
+          success: false,
+          message: "공차중계 사용자만 접근할 수 있습니다.",
+        });
+        return;
+      }
+
+      // 차량 정보 조회
+      const vehicleResult = await query<any>(
+        `SELECT 
+          vehicle_number, vehicle_type, driver_name, driver_phone, status
+        FROM vehicles 
+        WHERE user_id = $1`,
+        [userId]
+      );
+
+      const vehicle = vehicleResult.length > 0 ? vehicleResult[0] : null;
+
+      res.status(200).json({
+        success: true,
+        data: {
+          userId: user.user_id,
+          userName: user.user_name,
+          phoneNumber: user.cell_phone,
+          licenseNumber: user.license_number,
+          vehicleNumber: user.vehicle_number,
+          vehicleType: vehicle?.vehicle_type || null,
+          vehicleStatus: vehicle?.status || null,
+          branchName: user.branch_name || null,
+        },
+      });
+    } catch (error) {
+      logger.error("운전자 프로필 조회 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "프로필 조회 중 오류가 발생했습니다.",
+      });
+    }
+  }
+
+  /**
+   * PUT /api/driver/profile
+   * 운전자 프로필 수정 (이름, 연락처, 면허정보, 차량번호, 차종)
+   */
+  static async updateProfile(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user?.userId;
+
+      if (!userId) {
+        res.status(401).json({
+          success: false,
+          message: "인증이 필요합니다.",
+        });
+        return;
+      }
+
+      const { userName, phoneNumber, licenseNumber, vehicleNumber, vehicleType, branchName } = req.body;
+
+      // 공차중계 사용자 확인
+      const userCheck = await query<any>(
+        `SELECT signup_type, vehicle_number FROM user_info WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (userCheck.length === 0) {
+        res.status(404).json({
+          success: false,
+          message: "사용자를 찾을 수 없습니다.",
+        });
+        return;
+      }
+
+      if (userCheck[0].signup_type !== "DRIVER") {
+        res.status(403).json({
+          success: false,
+          message: "공차중계 사용자만 접근할 수 있습니다.",
+        });
+        return;
+      }
+
+      const oldVehicleNumber = userCheck[0].vehicle_number;
+
+      // 차량번호 변경 시 중복 확인
+      if (vehicleNumber && vehicleNumber !== oldVehicleNumber) {
+        const duplicateCheck = await query<any>(
+          `SELECT vehicle_number FROM vehicles WHERE vehicle_number = $1 AND user_id != $2`,
+          [vehicleNumber, userId]
+        );
+
+        if (duplicateCheck.length > 0) {
+          res.status(400).json({
+            success: false,
+            message: "이미 등록된 차량번호입니다.",
+          });
+          return;
+        }
+      }
+
+      // user_info 업데이트
+      await query(
+        `UPDATE user_info SET
+          user_name = COALESCE($1, user_name),
+          cell_phone = COALESCE($2, cell_phone),
+          license_number = COALESCE($3, license_number),
+          vehicle_number = COALESCE($4, vehicle_number),
+          branch_name = COALESCE($5, branch_name)
+        WHERE user_id = $6`,
+        [userName || null, phoneNumber || null, licenseNumber || null, vehicleNumber || null, branchName || null, userId]
+      );
+
+      // vehicles 테이블 업데이트
+      await query(
+        `UPDATE vehicles SET
+          vehicle_number = COALESCE($1, vehicle_number),
+          vehicle_type = COALESCE($2, vehicle_type),
+          driver_name = COALESCE($3, driver_name),
+          driver_phone = COALESCE($4, driver_phone),
+          branch_name = COALESCE($5, branch_name),
+          updated_at = NOW()
+        WHERE user_id = $6`,
+        [vehicleNumber || null, vehicleType || null, userName || null, phoneNumber || null, branchName || null, userId]
+      );
+
+      logger.info(`운전자 프로필 수정 완료: ${userId}`);
+
+      res.status(200).json({
+        success: true,
+        message: "프로필이 수정되었습니다.",
+      });
+    } catch (error) {
+      logger.error("운전자 프로필 수정 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "프로필 수정 중 오류가 발생했습니다.",
+      });
+    }
+  }
+
+  /**
+   * PUT /api/driver/status
+   * 차량 상태 변경 (대기/정비만 가능)
+   */
+  static async updateStatus(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user?.userId;
+
+      if (!userId) {
+        res.status(401).json({
+          success: false,
+          message: "인증이 필요합니다.",
+        });
+        return;
+      }
+
+      const { status } = req.body;
+
+      // 허용된 상태값만 (대기: off, 정비: maintenance)
+      const allowedStatuses = ["off", "maintenance"];
+      if (!status || !allowedStatuses.includes(status)) {
+        res.status(400).json({
+          success: false,
+          message: "유효하지 않은 상태값입니다. (off: 대기, maintenance: 정비)",
+        });
+        return;
+      }
+
+      // 공차중계 사용자 확인
+      const userCheck = await query<any>(
+        `SELECT signup_type FROM user_info WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (userCheck.length === 0 || userCheck[0].signup_type !== "DRIVER") {
+        res.status(403).json({
+          success: false,
+          message: "공차중계 사용자만 접근할 수 있습니다.",
+        });
+        return;
+      }
+
+      // vehicles 테이블 상태 업데이트
+      const updateResult = await query(
+        `UPDATE vehicles SET status = $1, updated_at = NOW() WHERE user_id = $2`,
+        [status, userId]
+      );
+
+      logger.info(`차량 상태 변경: ${userId} -> ${status}`);
+
+      res.status(200).json({
+        success: true,
+        message: `차량 상태가 ${status === "off" ? "대기" : "정비"}로 변경되었습니다.`,
+      });
+    } catch (error) {
+      logger.error("차량 상태 변경 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "상태 변경 중 오류가 발생했습니다.",
+      });
+    }
+  }
+
+  /**
+   * DELETE /api/driver/vehicle
+   * 차량 삭제 (user_id = NULL 처리, 기록 보존)
+   */
+  static async deleteVehicle(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user?.userId;
+
+      if (!userId) {
+        res.status(401).json({
+          success: false,
+          message: "인증이 필요합니다.",
+        });
+        return;
+      }
+
+      // 공차중계 사용자 확인
+      const userCheck = await query<any>(
+        `SELECT signup_type, vehicle_number FROM user_info WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (userCheck.length === 0 || userCheck[0].signup_type !== "DRIVER") {
+        res.status(403).json({
+          success: false,
+          message: "공차중계 사용자만 접근할 수 있습니다.",
+        });
+        return;
+      }
+
+      // vehicles 테이블에서 user_id를 NULL로 변경하고 status를 disabled로 (기록 보존)
+      await query(
+        `UPDATE vehicles SET user_id = NULL, status = 'disabled', updated_at = NOW() WHERE user_id = $1`,
+        [userId]
+      );
+
+      // user_info에서 vehicle_number를 NULL로 변경
+      await query(
+        `UPDATE user_info SET vehicle_number = NULL WHERE user_id = $1`,
+        [userId]
+      );
+
+      logger.info(`차량 삭제 완료 (기록 보존): ${userId}`);
+
+      res.status(200).json({
+        success: true,
+        message: "차량이 삭제되었습니다.",
+      });
+    } catch (error) {
+      logger.error("차량 삭제 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "차량 삭제 중 오류가 발생했습니다.",
+      });
+    }
+  }
+
+  /**
+   * POST /api/driver/vehicle
+   * 새 차량 등록
+   */
+  static async registerVehicle(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user?.userId;
+      const companyCode = req.user?.companyCode;
+
+      if (!userId) {
+        res.status(401).json({
+          success: false,
+          message: "인증이 필요합니다.",
+        });
+        return;
+      }
+
+      const { vehicleNumber, vehicleType, branchName } = req.body;
+
+      if (!vehicleNumber) {
+        res.status(400).json({
+          success: false,
+          message: "차량번호는 필수입니다.",
+        });
+        return;
+      }
+
+      // 공차중계 사용자 확인
+      const userCheck = await query<any>(
+        `SELECT signup_type, user_name, cell_phone, vehicle_number, company_code FROM user_info WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (userCheck.length === 0 || userCheck[0].signup_type !== "DRIVER") {
+        res.status(403).json({
+          success: false,
+          message: "공차중계 사용자만 접근할 수 있습니다.",
+        });
+        return;
+      }
+
+      // 이미 차량이 있는지 확인
+      if (userCheck[0].vehicle_number) {
+        res.status(400).json({
+          success: false,
+          message: "이미 등록된 차량이 있습니다. 먼저 기존 차량을 삭제해주세요.",
+        });
+        return;
+      }
+
+      // 차량번호 중복 확인
+      const duplicateCheck = await query<any>(
+        `SELECT vehicle_number FROM vehicles WHERE vehicle_number = $1 AND user_id IS NOT NULL`,
+        [vehicleNumber]
+      );
+
+      if (duplicateCheck.length > 0) {
+        res.status(400).json({
+          success: false,
+          message: "이미 등록된 차량번호입니다.",
+        });
+        return;
+      }
+
+      const userName = userCheck[0].user_name;
+      const userPhone = userCheck[0].cell_phone;
+      // 사용자의 company_code 사용 (req.user에서 가져오거나 DB에서 조회한 값 사용)
+      const userCompanyCode = companyCode || userCheck[0].company_code;
+
+      // vehicles 테이블에 새 차량 등록 (company_code 포함, status는 'off')
+      await query(
+        `INSERT INTO vehicles (vehicle_number, vehicle_type, user_id, driver_name, driver_phone, branch_name, status, company_code, created_at, updated_at)
+         VALUES ($1, $2, $3, $4, $5, $6, 'off', $7, NOW(), NOW())`,
+        [vehicleNumber, vehicleType || null, userId, userName, userPhone, branchName || null, userCompanyCode]
+      );
+
+      // user_info에 vehicle_number 업데이트
+      await query(
+        `UPDATE user_info SET vehicle_number = $1 WHERE user_id = $2`,
+        [vehicleNumber, userId]
+      );
+
+      logger.info(`새 차량 등록 완료: ${userId} -> ${vehicleNumber} (company_code: ${userCompanyCode})`);
+
+      res.status(200).json({
+        success: true,
+        message: "차량이 등록되었습니다.",
+      });
+    } catch (error) {
+      logger.error("차량 등록 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "차량 등록 중 오류가 발생했습니다.",
+      });
+    }
+  }
+
+  /**
+   * DELETE /api/driver/account
+   * 회원 탈퇴 (차량 정보 포함 삭제)
+   */
+  static async deleteAccount(req: Request, res: Response): Promise<void> {
+    try {
+      const userId = req.user?.userId;
+
+      if (!userId) {
+        res.status(401).json({
+          success: false,
+          message: "인증이 필요합니다.",
+        });
+        return;
+      }
+
+      // 공차중계 사용자 확인
+      const userCheck = await query<any>(
+        `SELECT signup_type FROM user_info WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (userCheck.length === 0) {
+        res.status(404).json({
+          success: false,
+          message: "사용자를 찾을 수 없습니다.",
+        });
+        return;
+      }
+
+      if (userCheck[0].signup_type !== "DRIVER") {
+        res.status(403).json({
+          success: false,
+          message: "공차중계 사용자만 탈퇴할 수 있습니다.",
+        });
+        return;
+      }
+
+      // vehicles 테이블에서 삭제
+      await query(`DELETE FROM vehicles WHERE user_id = $1`, [userId]);
+
+      // user_info 테이블에서 삭제
+      await query(`DELETE FROM user_info WHERE user_id = $1`, [userId]);
+
+      logger.info(`회원 탈퇴 완료: ${userId}`);
+
+      res.status(200).json({
+        success: true,
+        message: "회원 탈퇴가 완료되었습니다.",
+      });
+    } catch (error) {
+      logger.error("회원 탈퇴 오류:", error);
+      res.status(500).json({
+        success: false,
+        message: "회원 탈퇴 처리 중 오류가 발생했습니다.",
+      });
+    }
+  }
+}
+
diff --git a/backend-node/src/controllers/entitySearchController.ts b/backend-node/src/controllers/entitySearchController.ts
index 880c54fc..4d911c57 100644
--- a/backend-node/src/controllers/entitySearchController.ts
+++ b/backend-node/src/controllers/entitySearchController.ts
@@ -32,10 +32,32 @@ export async function searchEntity(req: AuthenticatedRequest, res: Response) {
     const companyCode = req.user!.companyCode;
 
     // 검색 필드 파싱
-    const fields = searchFields
+    const requestedFields = searchFields
       ? (searchFields as string).split(",").map((f) => f.trim())
       : [];
 
+    // 🆕 테이블의 실제 컬럼 목록 조회
+    const pool = getPool();
+    const columnsResult = await pool.query(
+      `SELECT column_name FROM information_schema.columns 
+       WHERE table_schema = 'public' AND table_name = $1`,
+      [tableName]
+    );
+    const existingColumns = new Set(columnsResult.rows.map((r: any) => r.column_name));
+
+    // 🆕 존재하는 컬럼만 필터링
+    const fields = requestedFields.filter((field) => {
+      if (existingColumns.has(field)) {
+        return true;
+      } else {
+        logger.warn(`엔티티 검색: 테이블 "${tableName}"에 컬럼 "${field}"이(가) 존재하지 않아 제외`);
+        return false;
+      }
+    });
+
+    const existingColumnsArray = Array.from(existingColumns);
+    logger.info(`엔티티 검색 필드 확인 - 테이블: ${tableName}, 요청필드: [${requestedFields.join(", ")}], 유효필드: [${fields.join(", ")}], 테이블컬럼(샘플): [${existingColumnsArray.slice(0, 10).join(", ")}]`);
+
     // WHERE 조건 생성
     const whereConditions: string[] = [];
     const params: any[] = [];
@@ -43,32 +65,57 @@ export async function searchEntity(req: AuthenticatedRequest, res: Response) {
 
     // 멀티테넌시 필터링
     if (companyCode !== "*") {
-      whereConditions.push(`company_code = $${paramIndex}`);
-      params.push(companyCode);
-      paramIndex++;
+      // 🆕 company_code 컬럼이 있는 경우에만 필터링
+      if (existingColumns.has("company_code")) {
+        whereConditions.push(`company_code = $${paramIndex}`);
+        params.push(companyCode);
+        paramIndex++;
+      }
     }
 
     // 검색 조건
-    if (searchText && fields.length > 0) {
-      const searchConditions = fields.map((field) => {
-        const condition = `${field}::text ILIKE $${paramIndex}`;
-        paramIndex++;
-        return condition;
-      });
-      whereConditions.push(`(${searchConditions.join(" OR ")})`);
+    if (searchText) {
+      // 유효한 검색 필드가 없으면 기본 텍스트 컬럼에서 검색
+      let searchableFields = fields;
+      if (searchableFields.length === 0) {
+        // 기본 검색 컬럼: name, code, description 등 일반적인 컬럼명
+        const defaultSearchColumns = [
+          'name', 'code', 'description', 'title', 'label', 
+          'item_name', 'item_code', 'item_number',
+          'equipment_name', 'equipment_code', 
+          'inspection_item', 'consumable_name', // 소모품명 추가
+          'supplier_name', 'customer_name', 'product_name',
+        ];
+        searchableFields = defaultSearchColumns.filter(col => existingColumns.has(col));
+        
+        logger.info(`엔티티 검색: 기본 검색 필드 사용 - 테이블: ${tableName}, 검색필드: [${searchableFields.join(", ")}]`);
+      }
+      
+      if (searchableFields.length > 0) {
+        const searchConditions = searchableFields.map((field) => {
+          const condition = `${field}::text ILIKE $${paramIndex}`;
+          paramIndex++;
+          return condition;
+        });
+        whereConditions.push(`(${searchConditions.join(" OR ")})`);
 
-      // 검색어 파라미터 추가
-      fields.forEach(() => {
-        params.push(`%${searchText}%`);
-      });
+        // 검색어 파라미터 추가
+        searchableFields.forEach(() => {
+          params.push(`%${searchText}%`);
+        });
+      }
     }
 
-    // 추가 필터 조건
+    // 추가 필터 조건 (존재하는 컬럼만)
     const additionalFilter = JSON.parse(filterCondition as string);
     for (const [key, value] of Object.entries(additionalFilter)) {
-      whereConditions.push(`${key} = $${paramIndex}`);
-      params.push(value);
-      paramIndex++;
+      if (existingColumns.has(key)) {
+        whereConditions.push(`${key} = $${paramIndex}`);
+        params.push(value);
+        paramIndex++;
+      } else {
+        logger.warn("엔티티 검색: 필터 조건에 존재하지 않는 컬럼 제외", { tableName, key });
+      }
     }
 
     // 페이징
@@ -78,8 +125,7 @@ export async function searchEntity(req: AuthenticatedRequest, res: Response) {
         ? `WHERE ${whereConditions.join(" AND ")}`
         : "";
 
-    // 쿼리 실행
-    const pool = getPool();
+    // 쿼리 실행 (pool은 위에서 이미 선언됨)
     const countQuery = `SELECT COUNT(*) FROM ${tableName} ${whereClause}`;
     const dataQuery = `
       SELECT * FROM ${tableName} ${whereClause} 
diff --git a/backend-node/src/controllers/flowController.ts b/backend-node/src/controllers/flowController.ts
index e03bfe25..9459e1f6 100644
--- a/backend-node/src/controllers/flowController.ts
+++ b/backend-node/src/controllers/flowController.ts
@@ -66,11 +66,12 @@ export class FlowController {
         return;
       }
 
-      // REST API인 경우 테이블 존재 확인 스킵
-      const isRestApi = dbSourceType === "restapi";
+      // REST API 또는 다중 연결인 경우 테이블 존재 확인 스킵
+      const isRestApi = dbSourceType === "restapi" || dbSourceType === "multi_restapi";
+      const isMultiConnection = dbSourceType === "multi_restapi" || dbSourceType === "multi_external_db";
       
-      // 테이블 이름이 제공된 경우에만 존재 확인 (REST API 제외)
-      if (tableName && !isRestApi && !tableName.startsWith("_restapi_")) {
+      // 테이블 이름이 제공된 경우에만 존재 확인 (REST API 및 다중 연결 제외)
+      if (tableName && !isRestApi && !isMultiConnection && !tableName.startsWith("_restapi_") && !tableName.startsWith("_multi_restapi_") && !tableName.startsWith("_multi_external_db_")) {
         const tableExists =
           await this.flowDefinitionService.checkTableExists(tableName);
         if (!tableExists) {
@@ -92,6 +93,7 @@ export class FlowController {
           restApiConnectionId,
           restApiEndpoint,
           restApiJsonPath,
+          restApiConnections: req.body.restApiConnections, // 다중 REST API 설정
         },
         userId,
         userCompanyCode
diff --git a/backend-node/src/controllers/screenManagementController.ts b/backend-node/src/controllers/screenManagementController.ts
index c7ecf75e..5605031e 100644
--- a/backend-node/src/controllers/screenManagementController.ts
+++ b/backend-node/src/controllers/screenManagementController.ts
@@ -325,6 +325,53 @@ export const getDeletedScreens = async (
   }
 };
 
+// 활성 화면 일괄 삭제 (휴지통으로 이동)
+export const bulkDeleteScreens = async (
+  req: AuthenticatedRequest,
+  res: Response
+) => {
+  try {
+    const { companyCode, userId } = req.user as any;
+    const { screenIds, deleteReason, force } = req.body;
+
+    if (!Array.isArray(screenIds) || screenIds.length === 0) {
+      return res.status(400).json({
+        success: false,
+        message: "삭제할 화면 ID 목록이 필요합니다.",
+      });
+    }
+
+    const result = await screenManagementService.bulkDeleteScreens(
+      screenIds,
+      companyCode,
+      userId,
+      deleteReason,
+      force || false
+    );
+
+    let message = `${result.deletedCount}개 화면이 휴지통으로 이동되었습니다.`;
+    if (result.skippedCount > 0) {
+      message += ` (${result.skippedCount}개 화면은 삭제되지 않았습니다.)`;
+    }
+
+    return res.json({
+      success: true,
+      message,
+      result: {
+        deletedCount: result.deletedCount,
+        skippedCount: result.skippedCount,
+        errors: result.errors,
+      },
+    });
+  } catch (error) {
+    console.error("활성 화면 일괄 삭제 실패:", error);
+    return res.status(500).json({
+      success: false,
+      message: "일괄 삭제에 실패했습니다.",
+    });
+  }
+};
+
 // 휴지통 화면 일괄 영구 삭제
 export const bulkPermanentDeleteScreens = async (
   req: AuthenticatedRequest,
diff --git a/backend-node/src/routes/authRoutes.ts b/backend-node/src/routes/authRoutes.ts
index 29bc7944..adba86e6 100644
--- a/backend-node/src/routes/authRoutes.ts
+++ b/backend-node/src/routes/authRoutes.ts
@@ -41,4 +41,10 @@ router.post("/logout", AuthController.logout);
  */
 router.post("/refresh", AuthController.refreshToken);
 
+/**
+ * POST /api/auth/signup
+ * 공차중계 회원가입 API
+ */
+router.post("/signup", AuthController.signup);
+
 export default router;
diff --git a/backend-node/src/routes/driverRoutes.ts b/backend-node/src/routes/driverRoutes.ts
new file mode 100644
index 00000000..b46cca1b
--- /dev/null
+++ b/backend-node/src/routes/driverRoutes.ts
@@ -0,0 +1,48 @@
+// 공차중계 운전자 API 라우터
+import { Router } from "express";
+import { DriverController } from "../controllers/driverController";
+import { authenticateToken } from "../middleware/authMiddleware";
+
+const router = Router();
+
+// 모든 라우트에 인증 필요
+router.use(authenticateToken);
+
+/**
+ * GET /api/driver/profile
+ * 운전자 프로필 조회
+ */
+router.get("/profile", DriverController.getProfile);
+
+/**
+ * PUT /api/driver/profile
+ * 운전자 프로필 수정 (이름, 연락처, 면허정보, 차량번호, 차종)
+ */
+router.put("/profile", DriverController.updateProfile);
+
+/**
+ * PUT /api/driver/status
+ * 차량 상태 변경 (대기/정비만)
+ */
+router.put("/status", DriverController.updateStatus);
+
+/**
+ * DELETE /api/driver/vehicle
+ * 차량 삭제 (기록 보존)
+ */
+router.delete("/vehicle", DriverController.deleteVehicle);
+
+/**
+ * POST /api/driver/vehicle
+ * 새 차량 등록
+ */
+router.post("/vehicle", DriverController.registerVehicle);
+
+/**
+ * DELETE /api/driver/account
+ * 회원 탈퇴
+ */
+router.delete("/account", DriverController.deleteAccount);
+
+export default router;
+
diff --git a/backend-node/src/routes/externalRestApiConnectionRoutes.ts b/backend-node/src/routes/externalRestApiConnectionRoutes.ts
index 48813575..14fd17d0 100644
--- a/backend-node/src/routes/externalRestApiConnectionRoutes.ts
+++ b/backend-node/src/routes/externalRestApiConnectionRoutes.ts
@@ -97,6 +97,8 @@ router.post(
       const data: ExternalRestApiConnection = {
         ...req.body,
         created_by: req.user?.userId || "system",
+        // 로그인 사용자의 company_code 사용 (프론트에서 안 보내도 자동 설정)
+        company_code: req.body.company_code || req.user?.companyCode || "*",
       };
 
       const result =
diff --git a/backend-node/src/routes/screenManagementRoutes.ts b/backend-node/src/routes/screenManagementRoutes.ts
index 4207c719..67263277 100644
--- a/backend-node/src/routes/screenManagementRoutes.ts
+++ b/backend-node/src/routes/screenManagementRoutes.ts
@@ -8,6 +8,7 @@ import {
   updateScreen,
   updateScreenInfo,
   deleteScreen,
+  bulkDeleteScreens,
   checkScreenDependencies,
   restoreScreen,
   permanentDeleteScreen,
@@ -44,6 +45,7 @@ router.put("/screens/:id", updateScreen);
 router.put("/screens/:id/info", updateScreenInfo); // 화면 정보만 수정
 router.get("/screens/:id/dependencies", checkScreenDependencies); // 의존성 체크
 router.delete("/screens/:id", deleteScreen); // 휴지통으로 이동
+router.delete("/screens/bulk/delete", bulkDeleteScreens); // 활성 화면 일괄 삭제 (휴지통으로 이동)
 router.get("/screens/:id/linked-modals", detectLinkedScreens); // 연결된 모달 화면 감지
 router.post("/screens/check-duplicate-name", checkDuplicateScreenName); // 화면명 중복 체크
 router.post("/screens/:id/copy", copyScreen); // 단일 화면 복사 (하위 호환용)
diff --git a/backend-node/src/services/authService.ts b/backend-node/src/services/authService.ts
index 11e34576..e5d6aa97 100644
--- a/backend-node/src/services/authService.ts
+++ b/backend-node/src/services/authService.ts
@@ -342,4 +342,130 @@ export class AuthService {
       );
     }
   }
+
+  /**
+   * 공차중계 회원가입 처리
+   * - user_info 테이블에 사용자 정보 저장
+   * - vehicles 테이블에 차량 정보 저장
+   */
+  static async signupDriver(data: {
+    userId: string;
+    password: string;
+    userName: string;
+    phoneNumber: string;
+    licenseNumber: string;
+    vehicleNumber: string;
+    vehicleType?: string;
+  }): Promise<{ success: boolean; message?: string }> {
+    try {
+      const {
+        userId,
+        password,
+        userName,
+        phoneNumber,
+        licenseNumber,
+        vehicleNumber,
+        vehicleType,
+      } = data;
+
+      // 1. 중복 사용자 확인
+      const existingUser = await query<any>(
+        `SELECT user_id FROM user_info WHERE user_id = $1`,
+        [userId]
+      );
+
+      if (existingUser.length > 0) {
+        return {
+          success: false,
+          message: "이미 존재하는 아이디입니다.",
+        };
+      }
+
+      // 2. 중복 차량번호 확인
+      const existingVehicle = await query<any>(
+        `SELECT vehicle_number FROM vehicles WHERE vehicle_number = $1`,
+        [vehicleNumber]
+      );
+
+      if (existingVehicle.length > 0) {
+        return {
+          success: false,
+          message: "이미 등록된 차량번호입니다.",
+        };
+      }
+
+      // 3. 비밀번호 암호화 (MD5 - 기존 시스템 호환)
+      const crypto = require("crypto");
+      const hashedPassword = crypto
+        .createHash("md5")
+        .update(password)
+        .digest("hex");
+
+      // 4. 사용자 정보 저장 (user_info)
+      await query(
+        `INSERT INTO user_info (
+          user_id, 
+          user_password, 
+          user_name, 
+          cell_phone, 
+          license_number, 
+          vehicle_number,
+          company_code,
+          user_type,
+          signup_type,
+          status,
+          regdate
+        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, NOW())`,
+        [
+          userId,
+          hashedPassword,
+          userName,
+          phoneNumber,
+          licenseNumber,
+          vehicleNumber,
+          "COMPANY_13", // 기본 회사 코드
+          null, // user_type: null
+          "DRIVER", // signup_type: 공차중계 회원가입 사용자
+          "active", // status: active
+        ]
+      );
+
+      // 5. 차량 정보 저장 (vehicles)
+      await query(
+        `INSERT INTO vehicles (
+          vehicle_number,
+          vehicle_type,
+          driver_name,
+          driver_phone,
+          status,
+          company_code,
+          user_id,
+          created_at,
+          updated_at
+        ) VALUES ($1, $2, $3, $4, $5, $6, $7, NOW(), NOW())`,
+        [
+          vehicleNumber,
+          vehicleType || null,
+          userName,
+          phoneNumber,
+          "off", // 초기 상태: off (대기)
+          "COMPANY_13", // 기본 회사 코드
+          userId, // 사용자 ID 연결
+        ]
+      );
+
+      logger.info(`공차중계 회원가입 성공: ${userId}, 차량번호: ${vehicleNumber}`);
+
+      return {
+        success: true,
+        message: "회원가입이 완료되었습니다.",
+      };
+    } catch (error: any) {
+      logger.error("공차중계 회원가입 오류:", error);
+      return {
+        success: false,
+        message: error.message || "회원가입 중 오류가 발생했습니다.",
+      };
+    }
+  }
 }
diff --git a/backend-node/src/services/externalDbConnectionService.ts b/backend-node/src/services/externalDbConnectionService.ts
index 99164ae1..410e8daf 100644
--- a/backend-node/src/services/externalDbConnectionService.ts
+++ b/backend-node/src/services/externalDbConnectionService.ts
@@ -28,39 +28,39 @@ export class ExternalDbConnectionService {
 
       // 회사별 필터링 (최고 관리자가 아닌 경우 필수)
       if (userCompanyCode && userCompanyCode !== "*") {
-        whereConditions.push(`company_code = $${paramIndex++}`);
+        whereConditions.push(`e.company_code = $${paramIndex++}`);
         params.push(userCompanyCode);
         logger.info(`회사별 외부 DB 연결 필터링: ${userCompanyCode}`);
       } else if (userCompanyCode === "*") {
         logger.info(`최고 관리자: 모든 외부 DB 연결 조회`);
         // 필터가 있으면 적용
         if (filter.company_code) {
-          whereConditions.push(`company_code = $${paramIndex++}`);
+          whereConditions.push(`e.company_code = $${paramIndex++}`);
           params.push(filter.company_code);
         }
       } else {
         // userCompanyCode가 없는 경우 (하위 호환성)
         if (filter.company_code) {
-          whereConditions.push(`company_code = $${paramIndex++}`);
+          whereConditions.push(`e.company_code = $${paramIndex++}`);
           params.push(filter.company_code);
         }
       }
 
       // 필터 조건 적용
       if (filter.db_type) {
-        whereConditions.push(`db_type = $${paramIndex++}`);
+        whereConditions.push(`e.db_type = $${paramIndex++}`);
         params.push(filter.db_type);
       }
 
       if (filter.is_active) {
-        whereConditions.push(`is_active = $${paramIndex++}`);
+        whereConditions.push(`e.is_active = $${paramIndex++}`);
         params.push(filter.is_active);
       }
 
       // 검색 조건 적용 (연결명 또는 설명에서 검색)
       if (filter.search && filter.search.trim()) {
         whereConditions.push(
-          `(connection_name ILIKE $${paramIndex} OR description ILIKE $${paramIndex})`
+          `(e.connection_name ILIKE $${paramIndex} OR e.description ILIKE $${paramIndex})`
         );
         params.push(`%${filter.search.trim()}%`);
         paramIndex++;
@@ -72,9 +72,12 @@ export class ExternalDbConnectionService {
           : "";
 
       const connections = await query<any>(
-        `SELECT * FROM external_db_connections
+        `SELECT e.*, 
+          COALESCE(c.company_name, CASE WHEN e.company_code = '*' THEN '전체' ELSE e.company_code END) AS company_name
+         FROM external_db_connections e
+         LEFT JOIN company_mng c ON e.company_code = c.company_code
          ${whereClause}
-         ORDER BY is_active DESC, connection_name ASC`,
+         ORDER BY e.is_active DESC, e.connection_name ASC`,
         params
       );
 
diff --git a/backend-node/src/services/externalRestApiConnectionService.ts b/backend-node/src/services/externalRestApiConnectionService.ts
index af37eff1..2632a6e6 100644
--- a/backend-node/src/services/externalRestApiConnectionService.ts
+++ b/backend-node/src/services/externalRestApiConnectionService.ts
@@ -31,15 +31,17 @@ export class ExternalRestApiConnectionService {
     try {
       let query = `
         SELECT 
-          id, connection_name, description, base_url, endpoint_path, default_headers,
-          default_method,
+          e.id, e.connection_name, e.description, e.base_url, e.endpoint_path, e.default_headers,
+          e.default_method,
           -- DB 스키마의 컬럼명은 default_request_body 기준이고
           -- 코드에서는 default_body 필드로 사용하기 위해 alias 처리
-          default_request_body AS default_body,
-          auth_type, auth_config, timeout, retry_count, retry_delay,
-          company_code, is_active, created_date, created_by,
-          updated_date, updated_by, last_test_date, last_test_result, last_test_message
-        FROM external_rest_api_connections
+          e.default_request_body AS default_body,
+          e.auth_type, e.auth_config, e.timeout, e.retry_count, e.retry_delay,
+          e.company_code, e.is_active, e.created_date, e.created_by,
+          e.updated_date, e.updated_by, e.last_test_date, e.last_test_result, e.last_test_message,
+          COALESCE(c.company_name, CASE WHEN e.company_code = '*' THEN '전체' ELSE e.company_code END) AS company_name
+        FROM external_rest_api_connections e
+        LEFT JOIN company_mng c ON e.company_code = c.company_code
         WHERE 1=1
       `;
 
@@ -48,7 +50,7 @@ export class ExternalRestApiConnectionService {
 
       // 회사별 필터링 (최고 관리자가 아닌 경우 필수)
       if (userCompanyCode && userCompanyCode !== "*") {
-        query += ` AND company_code = $${paramIndex}`;
+        query += ` AND e.company_code = $${paramIndex}`;
         params.push(userCompanyCode);
         paramIndex++;
         logger.info(`회사별 REST API 연결 필터링: ${userCompanyCode}`);
@@ -56,14 +58,14 @@ export class ExternalRestApiConnectionService {
         logger.info(`최고 관리자: 모든 REST API 연결 조회`);
         // 필터가 있으면 적용
         if (filter.company_code) {
-          query += ` AND company_code = $${paramIndex}`;
+          query += ` AND e.company_code = $${paramIndex}`;
           params.push(filter.company_code);
           paramIndex++;
         }
       } else {
         // userCompanyCode가 없는 경우 (하위 호환성)
         if (filter.company_code) {
-          query += ` AND company_code = $${paramIndex}`;
+          query += ` AND e.company_code = $${paramIndex}`;
           params.push(filter.company_code);
           paramIndex++;
         }
@@ -71,14 +73,14 @@ export class ExternalRestApiConnectionService {
 
       // 활성 상태 필터
       if (filter.is_active) {
-        query += ` AND is_active = $${paramIndex}`;
+        query += ` AND e.is_active = $${paramIndex}`;
         params.push(filter.is_active);
         paramIndex++;
       }
 
       // 인증 타입 필터
       if (filter.auth_type) {
-        query += ` AND auth_type = $${paramIndex}`;
+        query += ` AND e.auth_type = $${paramIndex}`;
         params.push(filter.auth_type);
         paramIndex++;
       }
@@ -86,9 +88,9 @@ export class ExternalRestApiConnectionService {
       // 검색어 필터 (연결명, 설명, URL)
       if (filter.search) {
         query += ` AND (
-          connection_name ILIKE $${paramIndex} OR 
-          description ILIKE $${paramIndex} OR 
-          base_url ILIKE $${paramIndex}
+          e.connection_name ILIKE $${paramIndex} OR 
+          e.description ILIKE $${paramIndex} OR 
+          e.base_url ILIKE $${paramIndex}
         )`;
         params.push(`%${filter.search}%`);
         paramIndex++;
@@ -233,6 +235,7 @@ export class ExternalRestApiConnectionService {
       // 디버깅: 저장하려는 데이터 로깅
       logger.info(`REST API 연결 생성 요청 데이터:`, {
         connection_name: data.connection_name,
+        company_code: data.company_code,
         default_method: data.default_method,
         endpoint_path: data.endpoint_path,
         base_url: data.base_url,
@@ -1091,4 +1094,150 @@ export class ExternalRestApiConnectionService {
       throw new Error("올바르지 않은 인증 타입입니다.");
     }
   }
+
+  /**
+   * 다중 REST API 데이터 조회 및 병합
+   * 여러 REST API의 응답을 병합하여 하나의 데이터셋으로 반환
+   */
+  static async fetchMultipleData(
+    configs: Array<{
+      connectionId: number;
+      endpoint: string;
+      jsonPath: string;
+      alias: string;
+    }>,
+    userCompanyCode?: string
+  ): Promise<ApiResponse<{
+    rows: any[];
+    columns: Array<{ columnName: string; columnLabel: string; dataType: string; sourceApi: string }>;
+    total: number;
+    sources: Array<{ connectionId: number; connectionName: string; rowCount: number }>;
+  }>> {
+    try {
+      logger.info(`다중 REST API 데이터 조회 시작: ${configs.length}개 API`);
+      
+      // 각 API에서 데이터 조회
+      const results = await Promise.all(
+        configs.map(async (config) => {
+          try {
+            const result = await this.fetchData(
+              config.connectionId,
+              config.endpoint,
+              config.jsonPath,
+              userCompanyCode
+            );
+            
+            if (result.success && result.data) {
+              return {
+                success: true,
+                connectionId: config.connectionId,
+                connectionName: result.data.connectionInfo.connectionName,
+                alias: config.alias,
+                rows: result.data.rows,
+                columns: result.data.columns,
+              };
+            } else {
+              logger.warn(`API ${config.connectionId} 조회 실패:`, result.message);
+              return {
+                success: false,
+                connectionId: config.connectionId,
+                connectionName: "",
+                alias: config.alias,
+                rows: [],
+                columns: [],
+                error: result.message,
+              };
+            }
+          } catch (error) {
+            logger.error(`API ${config.connectionId} 조회 오류:`, error);
+            return {
+              success: false,
+              connectionId: config.connectionId,
+              connectionName: "",
+              alias: config.alias,
+              rows: [],
+              columns: [],
+              error: error instanceof Error ? error.message : "알 수 없는 오류",
+            };
+          }
+        })
+      );
+
+      // 성공한 결과만 필터링
+      const successfulResults = results.filter(r => r.success);
+      
+      if (successfulResults.length === 0) {
+        return {
+          success: false,
+          message: "모든 REST API 조회에 실패했습니다.",
+          error: {
+            code: "ALL_APIS_FAILED",
+            details: results.map(r => ({ connectionId: r.connectionId, error: r.error })),
+          },
+        };
+      }
+
+      // 컬럼 병합 (별칭 적용)
+      const mergedColumns: Array<{ columnName: string; columnLabel: string; dataType: string; sourceApi: string }> = [];
+      
+      for (const result of successfulResults) {
+        for (const col of result.columns) {
+          const prefixedColumnName = result.alias ? `${result.alias}${col.columnName}` : col.columnName;
+          mergedColumns.push({
+            columnName: prefixedColumnName,
+            columnLabel: `${col.columnLabel} (${result.connectionName})`,
+            dataType: col.dataType,
+            sourceApi: result.connectionName,
+          });
+        }
+      }
+
+      // 데이터 병합 (가로 병합: 각 API의 첫 번째 행끼리 병합)
+      // 참고: 실제 사용 시에는 조인 키가 필요할 수 있음
+      const maxRows = Math.max(...successfulResults.map(r => r.rows.length));
+      const mergedRows: any[] = [];
+
+      for (let i = 0; i < maxRows; i++) {
+        const mergedRow: any = {};
+        
+        for (const result of successfulResults) {
+          const row = result.rows[i] || {};
+          
+          for (const [key, value] of Object.entries(row)) {
+            const prefixedKey = result.alias ? `${result.alias}${key}` : key;
+            mergedRow[prefixedKey] = value;
+          }
+        }
+        
+        mergedRows.push(mergedRow);
+      }
+
+      logger.info(`다중 REST API 데이터 병합 완료: ${mergedRows.length}개 행, ${mergedColumns.length}개 컬럼`);
+
+      return {
+        success: true,
+        data: {
+          rows: mergedRows,
+          columns: mergedColumns,
+          total: mergedRows.length,
+          sources: successfulResults.map(r => ({
+            connectionId: r.connectionId,
+            connectionName: r.connectionName,
+            rowCount: r.rows.length,
+          })),
+        },
+        message: `${successfulResults.length}개 API에서 총 ${mergedRows.length}개 데이터를 조회했습니다.`,
+      };
+    } catch (error) {
+      logger.error("다중 REST API 데이터 조회 오류:", error);
+      return {
+        success: false,
+        message: "다중 REST API 데이터 조회에 실패했습니다.",
+        error: {
+          code: "MULTI_FETCH_ERROR",
+          details: error instanceof Error ? error.message : "알 수 없는 오류",
+        },
+      };
+    }
+  }
 }
diff --git a/backend-node/src/services/flowDefinitionService.ts b/backend-node/src/services/flowDefinitionService.ts
index 4416faa0..80c920ad 100644
--- a/backend-node/src/services/flowDefinitionService.ts
+++ b/backend-node/src/services/flowDefinitionService.ts
@@ -30,6 +30,7 @@ export class FlowDefinitionService {
       restApiConnectionId: request.restApiConnectionId,
       restApiEndpoint: request.restApiEndpoint,
       restApiJsonPath: request.restApiJsonPath,
+      restApiConnections: request.restApiConnections,
       companyCode,
       userId,
     });
@@ -38,9 +39,9 @@ export class FlowDefinitionService {
       INSERT INTO flow_definition (
         name, description, table_name, db_source_type, db_connection_id, 
         rest_api_connection_id, rest_api_endpoint, rest_api_json_path,
-        company_code, created_by
+        rest_api_connections, company_code, created_by
       )
-      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
+      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
       RETURNING *
     `;
 
@@ -52,7 +53,8 @@ export class FlowDefinitionService {
       request.dbConnectionId || null,
       request.restApiConnectionId || null,
       request.restApiEndpoint || null,
-      request.restApiJsonPath || "data",
+      request.restApiJsonPath || "response",
+      request.restApiConnections ? JSON.stringify(request.restApiConnections) : null,
       companyCode,
       userId,
     ];
@@ -209,6 +211,19 @@ export class FlowDefinitionService {
    * DB 행을 FlowDefinition 객체로 변환
    */
   private mapToFlowDefinition(row: any): FlowDefinition {
+    // rest_api_connections 파싱 (JSONB → 배열)
+    let restApiConnections = undefined;
+    if (row.rest_api_connections) {
+      try {
+        restApiConnections = typeof row.rest_api_connections === 'string' 
+          ? JSON.parse(row.rest_api_connections) 
+          : row.rest_api_connections;
+      } catch (e) {
+        console.warn("Failed to parse rest_api_connections:", e);
+        restApiConnections = [];
+      }
+    }
+
     return {
       id: row.id,
       name: row.name,
@@ -216,10 +231,12 @@ export class FlowDefinitionService {
       tableName: row.table_name,
       dbSourceType: row.db_source_type || "internal",
       dbConnectionId: row.db_connection_id,
-      // REST API 관련 필드
+      // REST API 관련 필드 (단일)
       restApiConnectionId: row.rest_api_connection_id,
       restApiEndpoint: row.rest_api_endpoint,
       restApiJsonPath: row.rest_api_json_path,
+      // 다중 REST API 관련 필드
+      restApiConnections: restApiConnections,
       companyCode: row.company_code || "*",
       isActive: row.is_active,
       createdBy: row.created_by,
diff --git a/backend-node/src/services/menuCopyService.ts b/backend-node/src/services/menuCopyService.ts
index 70b45af4..a0e707c1 100644
--- a/backend-node/src/services/menuCopyService.ts
+++ b/backend-node/src/services/menuCopyService.ts
@@ -53,6 +53,7 @@ interface ScreenDefinition {
   layout_metadata: any;
   db_source_type: string | null;
   db_connection_id: number | null;
+  source_screen_id: number | null; // 원본 화면 ID (복사 추적용)
 }
 
 /**
@@ -234,6 +235,27 @@ export class MenuCopyService {
           }
         }
       }
+
+      // 4) 화면 분할 패널 (screen-split-panel: leftScreenId, rightScreenId)
+      if (props?.componentConfig?.leftScreenId) {
+        const leftScreenId = props.componentConfig.leftScreenId;
+        const numId =
+          typeof leftScreenId === "number" ? leftScreenId : parseInt(leftScreenId);
+        if (!isNaN(numId) && numId > 0) {
+          referenced.push(numId);
+          logger.debug(`    📐 분할 패널 좌측 화면 참조 발견: ${numId}`);
+        }
+      }
+
+      if (props?.componentConfig?.rightScreenId) {
+        const rightScreenId = props.componentConfig.rightScreenId;
+        const numId =
+          typeof rightScreenId === "number" ? rightScreenId : parseInt(rightScreenId);
+        if (!isNaN(numId) && numId > 0) {
+          referenced.push(numId);
+          logger.debug(`    📐 분할 패널 우측 화면 참조 발견: ${numId}`);
+        }
+      }
     }
 
     return referenced;
@@ -431,14 +453,16 @@ export class MenuCopyService {
       const value = obj[key];
       const currentPath = path ? `${path}.${key}` : key;
 
-      // screen_id, screenId, targetScreenId 매핑 (숫자 또는 숫자 문자열)
+      // screen_id, screenId, targetScreenId, leftScreenId, rightScreenId 매핑 (숫자 또는 숫자 문자열)
       if (
         key === "screen_id" ||
         key === "screenId" ||
-        key === "targetScreenId"
+        key === "targetScreenId" ||
+        key === "leftScreenId" ||
+        key === "rightScreenId"
       ) {
         const numValue = typeof value === "number" ? value : parseInt(value);
-        if (!isNaN(numValue)) {
+        if (!isNaN(numValue) && numValue > 0) {
           const newId = screenIdMap.get(numValue);
           if (newId) {
             obj[key] = typeof value === "number" ? newId : String(newId); // 원래 타입 유지
@@ -856,7 +880,10 @@ export class MenuCopyService {
   }
 
   /**
-   * 화면 복사
+   * 화면 복사 (업데이트 또는 신규 생성)
+   * - source_screen_id로 기존 복사본 찾기
+   * - 변경된 내용이 있으면 업데이트
+   * - 없으면 새로 복사
    */
   private async copyScreens(
     screenIds: Set<number>,
@@ -876,18 +903,19 @@ export class MenuCopyService {
       return screenIdMap;
     }
 
-    logger.info(`📄 화면 복사 중: ${screenIds.size}개`);
+    logger.info(`📄 화면 복사/업데이트 중: ${screenIds.size}개`);
 
-    // === 1단계: 모든 screen_definitions 먼저 복사 (screenIdMap 생성) ===
+    // === 1단계: 모든 screen_definitions 처리 (screenIdMap 생성) ===
     const screenDefsToProcess: Array<{
       originalScreenId: number;
-      newScreenId: number;
+      targetScreenId: number;
       screenDef: ScreenDefinition;
+      isUpdate: boolean; // 업데이트인지 신규 생성인지
     }> = [];
 
     for (const originalScreenId of screenIds) {
       try {
-        // 1) screen_definitions 조회
+        // 1) 원본 screen_definitions 조회
         const screenDefResult = await client.query<ScreenDefinition>(
           `SELECT * FROM screen_definitions WHERE screen_id = $1`,
           [originalScreenId]
@@ -900,122 +928,198 @@ export class MenuCopyService {
 
         const screenDef = screenDefResult.rows[0];
 
-        // 2) 중복 체크: 같은 screen_code가 대상 회사에 이미 있는지 확인
-        const existingScreenResult = await client.query<{ screen_id: number }>(
-          `SELECT screen_id FROM screen_definitions 
-           WHERE screen_code = $1 AND company_code = $2 AND deleted_date IS NULL
+        // 2) 기존 복사본 찾기: source_screen_id로 검색
+        const existingCopyResult = await client.query<{
+          screen_id: number;
+          screen_name: string;
+          updated_date: Date;
+        }>(
+          `SELECT screen_id, screen_name, updated_date 
+           FROM screen_definitions 
+           WHERE source_screen_id = $1 AND company_code = $2 AND deleted_date IS NULL
            LIMIT 1`,
-          [screenDef.screen_code, targetCompanyCode]
+          [originalScreenId, targetCompanyCode]
         );
 
-        if (existingScreenResult.rows.length > 0) {
-          // 이미 존재하는 화면 - 복사하지 않고 기존 ID 매핑
-          const existingScreenId = existingScreenResult.rows[0].screen_id;
-          screenIdMap.set(originalScreenId, existingScreenId);
-          logger.info(
-            `  ⏭️  화면 이미 존재 (스킵): ${originalScreenId} → ${existingScreenId} (${screenDef.screen_code})`
-          );
-          continue; // 레이아웃 복사도 스킵
-        }
-
-        // 3) 새 screen_code 생성
-        const newScreenCode = await this.generateUniqueScreenCode(
-          targetCompanyCode,
-          client
-        );
-
-        // 4) 화면명 변환 적용
+        // 3) 화면명 변환 적용
         let transformedScreenName = screenDef.screen_name;
         if (screenNameConfig) {
-          // 1. 제거할 텍스트 제거
           if (screenNameConfig.removeText?.trim()) {
             transformedScreenName = transformedScreenName.replace(
               new RegExp(screenNameConfig.removeText.trim(), "g"),
               ""
             );
-            transformedScreenName = transformedScreenName.trim(); // 앞뒤 공백 제거
+            transformedScreenName = transformedScreenName.trim();
           }
-
-          // 2. 접두사 추가
           if (screenNameConfig.addPrefix?.trim()) {
             transformedScreenName =
               screenNameConfig.addPrefix.trim() + " " + transformedScreenName;
           }
         }
 
-        // 5) screen_definitions 복사 (deleted 필드는 NULL로 설정, 삭제된 화면도 활성화)
-        const newScreenResult = await client.query<{ screen_id: number }>(
-          `INSERT INTO screen_definitions (
-            screen_name, screen_code, table_name, company_code,
-            description, is_active, layout_metadata,
-            db_source_type, db_connection_id, created_by,
-            deleted_date, deleted_by, delete_reason
-          ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)
-          RETURNING screen_id`,
-          [
-            transformedScreenName, // 변환된 화면명
-            newScreenCode, // 새 화면 코드
-            screenDef.table_name,
-            targetCompanyCode, // 새 회사 코드
-            screenDef.description,
-            screenDef.is_active === "D" ? "Y" : screenDef.is_active, // 삭제된 화면은 활성화
-            screenDef.layout_metadata,
-            screenDef.db_source_type,
-            screenDef.db_connection_id,
-            userId,
-            null, // deleted_date: NULL (새 화면은 삭제되지 않음)
-            null, // deleted_by: NULL
-            null, // delete_reason: NULL
-          ]
-        );
+        if (existingCopyResult.rows.length > 0) {
+          // === 기존 복사본이 있는 경우: 업데이트 ===
+          const existingScreen = existingCopyResult.rows[0];
+          const existingScreenId = existingScreen.screen_id;
 
-        const newScreenId = newScreenResult.rows[0].screen_id;
-        screenIdMap.set(originalScreenId, newScreenId);
+          // 원본 레이아웃 조회
+          const sourceLayoutsResult = await client.query<ScreenLayout>(
+            `SELECT * FROM screen_layouts WHERE screen_id = $1 ORDER BY display_order`,
+            [originalScreenId]
+          );
 
-        logger.info(
-          `  ✅ 화면 정의 복사: ${originalScreenId} → ${newScreenId} (${screenDef.screen_name})`
-        );
+          // 대상 레이아웃 조회
+          const targetLayoutsResult = await client.query<ScreenLayout>(
+            `SELECT * FROM screen_layouts WHERE screen_id = $1 ORDER BY display_order`,
+            [existingScreenId]
+          );
 
-        // 저장해서 2단계에서 처리
-        screenDefsToProcess.push({ originalScreenId, newScreenId, screenDef });
+          // 변경 여부 확인 (레이아웃 개수 또는 내용 비교)
+          const hasChanges = this.hasLayoutChanges(
+            sourceLayoutsResult.rows,
+            targetLayoutsResult.rows
+          );
+
+          if (hasChanges) {
+            // 변경 사항이 있으면 업데이트
+            logger.info(
+              `  🔄 화면 업데이트 필요: ${originalScreenId} → ${existingScreenId} (${screenDef.screen_name})`
+            );
+
+            // screen_definitions 업데이트
+            await client.query(
+              `UPDATE screen_definitions SET
+                screen_name = $1,
+                table_name = $2,
+                description = $3,
+                is_active = $4,
+                layout_metadata = $5,
+                db_source_type = $6,
+                db_connection_id = $7,
+                updated_by = $8,
+                updated_date = NOW()
+              WHERE screen_id = $9`,
+              [
+                transformedScreenName,
+                screenDef.table_name,
+                screenDef.description,
+                screenDef.is_active === "D" ? "Y" : screenDef.is_active,
+                screenDef.layout_metadata,
+                screenDef.db_source_type,
+                screenDef.db_connection_id,
+                userId,
+                existingScreenId,
+              ]
+            );
+
+            screenIdMap.set(originalScreenId, existingScreenId);
+            screenDefsToProcess.push({
+              originalScreenId,
+              targetScreenId: existingScreenId,
+              screenDef,
+              isUpdate: true,
+            });
+          } else {
+            // 변경 사항이 없으면 스킵
+            screenIdMap.set(originalScreenId, existingScreenId);
+            logger.info(
+              `  ⏭️  화면 변경 없음 (스킵): ${originalScreenId} → ${existingScreenId} (${screenDef.screen_name})`
+            );
+          }
+        } else {
+          // === 기존 복사본이 없는 경우: 신규 생성 ===
+          const newScreenCode = await this.generateUniqueScreenCode(
+            targetCompanyCode,
+            client
+          );
+
+          const newScreenResult = await client.query<{ screen_id: number }>(
+            `INSERT INTO screen_definitions (
+              screen_name, screen_code, table_name, company_code,
+              description, is_active, layout_metadata,
+              db_source_type, db_connection_id, created_by,
+              deleted_date, deleted_by, delete_reason, source_screen_id
+            ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)
+            RETURNING screen_id`,
+            [
+              transformedScreenName,
+              newScreenCode,
+              screenDef.table_name,
+              targetCompanyCode,
+              screenDef.description,
+              screenDef.is_active === "D" ? "Y" : screenDef.is_active,
+              screenDef.layout_metadata,
+              screenDef.db_source_type,
+              screenDef.db_connection_id,
+              userId,
+              null,
+              null,
+              null,
+              originalScreenId, // source_screen_id 저장
+            ]
+          );
+
+          const newScreenId = newScreenResult.rows[0].screen_id;
+          screenIdMap.set(originalScreenId, newScreenId);
+
+          logger.info(
+            `  ✅ 화면 신규 복사: ${originalScreenId} → ${newScreenId} (${screenDef.screen_name})`
+          );
+
+          screenDefsToProcess.push({
+            originalScreenId,
+            targetScreenId: newScreenId,
+            screenDef,
+            isUpdate: false,
+          });
+        }
       } catch (error: any) {
         logger.error(
-          `❌ 화면 정의 복사 실패: screen_id=${originalScreenId}`,
+          `❌ 화면 처리 실패: screen_id=${originalScreenId}`,
           error
         );
         throw error;
       }
     }
 
-    // === 2단계: screen_layouts 복사 (이제 screenIdMap이 완성됨) ===
+    // === 2단계: screen_layouts 처리 (이제 screenIdMap이 완성됨) ===
     logger.info(
-      `\n📐 레이아웃 복사 시작 (screenIdMap 완성: ${screenIdMap.size}개)`
+      `\n📐 레이아웃 처리 시작 (screenIdMap 완성: ${screenIdMap.size}개)`
     );
 
     for (const {
       originalScreenId,
-      newScreenId,
+      targetScreenId,
       screenDef,
+      isUpdate,
     } of screenDefsToProcess) {
       try {
-        // screen_layouts 복사
+        // 원본 레이아웃 조회
         const layoutsResult = await client.query<ScreenLayout>(
           `SELECT * FROM screen_layouts WHERE screen_id = $1 ORDER BY display_order`,
           [originalScreenId]
         );
 
-        // 1단계: component_id 매핑 생성 (원본 → 새 ID)
+        if (isUpdate) {
+          // 업데이트: 기존 레이아웃 삭제 후 새로 삽입
+          await client.query(
+            `DELETE FROM screen_layouts WHERE screen_id = $1`,
+            [targetScreenId]
+          );
+          logger.info(`    ↳ 기존 레이아웃 삭제 (업데이트 준비)`);
+        }
+
+        // component_id 매핑 생성 (원본 → 새 ID)
         const componentIdMap = new Map<string, string>();
         for (const layout of layoutsResult.rows) {
           const newComponentId = `comp_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
           componentIdMap.set(layout.component_id, newComponentId);
         }
 
-        // 2단계: screen_layouts 복사 (parent_id, zone_id도 매핑)
+        // 레이아웃 삽입
         for (const layout of layoutsResult.rows) {
           const newComponentId = componentIdMap.get(layout.component_id)!;
 
-          // parent_id와 zone_id 매핑 (다른 컴포넌트를 참조하는 경우)
           const newParentId = layout.parent_id
             ? componentIdMap.get(layout.parent_id) || layout.parent_id
             : null;
@@ -1023,7 +1127,6 @@ export class MenuCopyService {
             ? componentIdMap.get(layout.zone_id) || layout.zone_id
             : null;
 
-          // properties 내부 참조 업데이트
           const updatedProperties = this.updateReferencesInProperties(
             layout.properties,
             screenIdMap,
@@ -1037,38 +1140,94 @@ export class MenuCopyService {
               display_order, layout_type, layout_config, zones_config, zone_id
             ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)`,
             [
-              newScreenId, // 새 화면 ID
+              targetScreenId,
               layout.component_type,
-              newComponentId, // 새 컴포넌트 ID
-              newParentId, // 매핑된 parent_id
+              newComponentId,
+              newParentId,
               layout.position_x,
               layout.position_y,
               layout.width,
               layout.height,
-              updatedProperties, // 업데이트된 속성
+              updatedProperties,
               layout.display_order,
               layout.layout_type,
               layout.layout_config,
               layout.zones_config,
-              newZoneId, // 매핑된 zone_id
+              newZoneId,
             ]
           );
         }
 
-        logger.info(`    ↳ 레이아웃 복사: ${layoutsResult.rows.length}개`);
+        const action = isUpdate ? "업데이트" : "복사";
+        logger.info(`    ↳ 레이아웃 ${action}: ${layoutsResult.rows.length}개`);
       } catch (error: any) {
         logger.error(
-          `❌ 레이아웃 복사 실패: screen_id=${originalScreenId}`,
+          `❌ 레이아웃 처리 실패: screen_id=${originalScreenId}`,
           error
         );
         throw error;
       }
     }
 
-    logger.info(`\n✅ 화면 복사 완료: ${screenIdMap.size}개`);
+    // 통계 출력
+    const newCount = screenDefsToProcess.filter((s) => !s.isUpdate).length;
+    const updateCount = screenDefsToProcess.filter((s) => s.isUpdate).length;
+    const skipCount = screenIds.size - screenDefsToProcess.length;
+
+    logger.info(`
+✅ 화면 처리 완료:
+   - 신규 복사: ${newCount}개
+   - 업데이트: ${updateCount}개
+   - 스킵 (변경 없음): ${skipCount}개
+   - 총 매핑: ${screenIdMap.size}개
+    `);
+
     return screenIdMap;
   }
 
+  /**
+   * 레이아웃 변경 여부 확인
+   */
+  private hasLayoutChanges(
+    sourceLayouts: ScreenLayout[],
+    targetLayouts: ScreenLayout[]
+  ): boolean {
+    // 1. 레이아웃 개수가 다르면 변경됨
+    if (sourceLayouts.length !== targetLayouts.length) {
+      return true;
+    }
+
+    // 2. 각 레이아웃의 주요 속성 비교
+    for (let i = 0; i < sourceLayouts.length; i++) {
+      const source = sourceLayouts[i];
+      const target = targetLayouts[i];
+
+      // component_type이 다르면 변경됨
+      if (source.component_type !== target.component_type) {
+        return true;
+      }
+
+      // 위치/크기가 다르면 변경됨
+      if (
+        source.position_x !== target.position_x ||
+        source.position_y !== target.position_y ||
+        source.width !== target.width ||
+        source.height !== target.height
+      ) {
+        return true;
+      }
+
+      // properties의 JSON 문자열 비교 (깊은 비교)
+      const sourceProps = JSON.stringify(source.properties || {});
+      const targetProps = JSON.stringify(target.properties || {});
+      if (sourceProps !== targetProps) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   /**
    * 메뉴 위상 정렬 (부모 먼저)
    */
diff --git a/backend-node/src/services/screenManagementService.ts b/backend-node/src/services/screenManagementService.ts
index 007a39e7..6628cf4c 100644
--- a/backend-node/src/services/screenManagementService.ts
+++ b/backend-node/src/services/screenManagementService.ts
@@ -892,6 +892,134 @@ export class ScreenManagementService {
     };
   }
 
+  /**
+   * 활성 화면 일괄 삭제 (휴지통으로 이동)
+   */
+  async bulkDeleteScreens(
+    screenIds: number[],
+    userCompanyCode: string,
+    deletedBy: string,
+    deleteReason?: string,
+    force: boolean = false
+  ): Promise<{
+    deletedCount: number;
+    skippedCount: number;
+    errors: Array<{ screenId: number; error: string }>;
+  }> {
+    if (screenIds.length === 0) {
+      throw new Error("삭제할 화면을 선택해주세요.");
+    }
+
+    let deletedCount = 0;
+    let skippedCount = 0;
+    const errors: Array<{ screenId: number; error: string }> = [];
+
+    // 각 화면을 개별적으로 삭제 처리
+    for (const screenId of screenIds) {
+      try {
+        // 권한 확인 (Raw Query)
+        const existingResult = await query<{
+          company_code: string | null;
+          is_active: string;
+          screen_name: string;
+        }>(
+          `SELECT company_code, is_active, screen_name FROM screen_definitions WHERE screen_id = $1 LIMIT 1`,
+          [screenId]
+        );
+
+        if (existingResult.length === 0) {
+          skippedCount++;
+          errors.push({
+            screenId,
+            error: "화면을 찾을 수 없습니다.",
+          });
+          continue;
+        }
+
+        const existingScreen = existingResult[0];
+
+        // 권한 확인
+        if (
+          userCompanyCode !== "*" &&
+          existingScreen.company_code !== userCompanyCode
+        ) {
+          skippedCount++;
+          errors.push({
+            screenId,
+            error: "이 화면을 삭제할 권한이 없습니다.",
+          });
+          continue;
+        }
+
+        // 이미 삭제된 화면인지 확인
+        if (existingScreen.is_active === "D") {
+          skippedCount++;
+          errors.push({
+            screenId,
+            error: "이미 삭제된 화면입니다.",
+          });
+          continue;
+        }
+
+        // 강제 삭제가 아닌 경우 의존성 체크
+        if (!force) {
+          const dependencyCheck = await this.checkScreenDependencies(
+            screenId,
+            userCompanyCode
+          );
+          if (dependencyCheck.hasDependencies) {
+            skippedCount++;
+            errors.push({
+              screenId,
+              error: `다른 화면에서 사용 중 (${dependencyCheck.dependencies.length}개 참조)`,
+            });
+            continue;
+          }
+        }
+
+        // 트랜잭션으로 화면 삭제와 메뉴 할당 정리를 함께 처리
+        await transaction(async (client) => {
+          const now = new Date();
+          
+          // 소프트 삭제 (휴지통으로 이동)
+          await client.query(
+            `UPDATE screen_definitions
+             SET is_active = 'D',
+                 deleted_date = $1,
+                 deleted_by = $2,
+                 delete_reason = $3,
+                 updated_date = $4,
+                 updated_by = $5
+             WHERE screen_id = $6`,
+            [now, deletedBy, deleteReason || null, now, deletedBy, screenId]
+          );
+
+          // 메뉴 할당 정리 (삭제된 화면의 메뉴 할당 제거)
+          await client.query(
+            `DELETE FROM screen_menu_assignments WHERE screen_id = $1`,
+            [screenId]
+          );
+        });
+
+        deletedCount++;
+        logger.info(`화면 삭제 완료: ${screenId} (${existingScreen.screen_name})`);
+      } catch (error) {
+        skippedCount++;
+        errors.push({
+          screenId,
+          error: error instanceof Error ? error.message : "알 수 없는 오류",
+        });
+        logger.error(`화면 삭제 실패: ${screenId}`, error);
+      }
+    }
+
+    logger.info(
+      `일괄 삭제 완료: 성공 ${deletedCount}개, 실패 ${skippedCount}개`
+    );
+
+    return { deletedCount, skippedCount, errors };
+  }
+
   /**
    * 휴지통 화면 일괄 영구 삭제
    */
@@ -1517,11 +1645,23 @@ export class ScreenManagementService {
       };
     }
 
+    // 🔥 최신 inputType 정보 조회 (table_type_columns에서)
+    const inputTypeMap = await this.getLatestInputTypes(componentLayouts, companyCode);
+
     const components: ComponentData[] = componentLayouts.map((layout) => {
       const properties = layout.properties as any;
+      
+      // 🔥 최신 inputType으로 widgetType 및 componentType 업데이트
+      const tableName = properties?.tableName;
+      const columnName = properties?.columnName;
+      const latestTypeInfo = tableName && columnName 
+        ? inputTypeMap.get(`${tableName}.${columnName}`) 
+        : null;
+      
       const component = {
         id: layout.component_id,
-        type: layout.component_type as any,
+        // 🔥 최신 componentType이 있으면 type 덮어쓰기
+        type: latestTypeInfo?.componentType || layout.component_type as any,
         position: {
           x: layout.position_x,
           y: layout.position_y,
@@ -1530,6 +1670,17 @@ export class ScreenManagementService {
         size: { width: layout.width, height: layout.height },
         parentId: layout.parent_id,
         ...properties,
+        // 🔥 최신 inputType이 있으면 widgetType, componentType 덮어쓰기
+        ...(latestTypeInfo && { 
+          widgetType: latestTypeInfo.inputType,
+          inputType: latestTypeInfo.inputType,
+          componentType: latestTypeInfo.componentType,
+          componentConfig: {
+            ...properties?.componentConfig,
+            type: latestTypeInfo.componentType,
+            inputType: latestTypeInfo.inputType,
+          },
+        }),
       };
 
       console.log(`로드된 컴포넌트:`, {
@@ -1539,6 +1690,9 @@ export class ScreenManagementService {
         size: component.size,
         parentId: component.parentId,
         title: (component as any).title,
+        widgetType: (component as any).widgetType,
+        componentType: (component as any).componentType,
+        latestTypeInfo,
       });
 
       return component;
@@ -1558,6 +1712,112 @@ export class ScreenManagementService {
     };
   }
 
+  /**
+   * 입력 타입에 해당하는 컴포넌트 ID 반환
+   * (프론트엔드 webTypeMapping.ts와 동일한 매핑)
+   */
+  private getComponentIdFromInputType(inputType: string): string {
+    const mapping: Record<string, string> = {
+      // 텍스트 입력
+      text: "text-input",
+      email: "text-input",
+      password: "text-input",
+      tel: "text-input",
+      // 숫자 입력
+      number: "number-input",
+      decimal: "number-input",
+      // 날짜/시간
+      date: "date-input",
+      datetime: "date-input",
+      time: "date-input",
+      // 텍스트 영역
+      textarea: "textarea-basic",
+      // 선택
+      select: "select-basic",
+      dropdown: "select-basic",
+      // 체크박스/라디오
+      checkbox: "checkbox-basic",
+      radio: "radio-basic",
+      boolean: "toggle-switch",
+      // 파일
+      file: "file-upload",
+      // 이미지
+      image: "image-widget",
+      img: "image-widget",
+      picture: "image-widget",
+      photo: "image-widget",
+      // 버튼
+      button: "button-primary",
+      // 기타
+      label: "text-display",
+      code: "select-basic",
+      entity: "select-basic",
+      category: "select-basic",
+    };
+
+    return mapping[inputType] || "text-input";
+  }
+
+  /**
+   * 컴포넌트들의 최신 inputType 정보 조회
+   * @param layouts - 레이아웃 목록
+   * @param companyCode - 회사 코드
+   * @returns Map<"tableName.columnName", { inputType, componentType }>
+   */
+  private async getLatestInputTypes(
+    layouts: any[],
+    companyCode: string
+  ): Promise<Map<string, { inputType: string; componentType: string }>> {
+    const inputTypeMap = new Map<string, { inputType: string; componentType: string }>();
+
+    // tableName과 columnName이 있는 컴포넌트들의 고유 조합 추출
+    const tableColumnPairs = new Set<string>();
+    for (const layout of layouts) {
+      const properties = layout.properties as any;
+      if (properties?.tableName && properties?.columnName) {
+        tableColumnPairs.add(`${properties.tableName}|${properties.columnName}`);
+      }
+    }
+
+    if (tableColumnPairs.size === 0) {
+      return inputTypeMap;
+    }
+
+    // 각 테이블-컬럼 조합에 대해 최신 inputType 조회
+    const pairs = Array.from(tableColumnPairs).map(pair => {
+      const [tableName, columnName] = pair.split('|');
+      return { tableName, columnName };
+    });
+
+    // 배치 쿼리로 한 번에 조회
+    const placeholders = pairs.map((_, i) => `($${i * 2 + 1}, $${i * 2 + 2})`).join(', ');
+    const params = pairs.flatMap(p => [p.tableName, p.columnName]);
+    
+    try {
+      const results = await query<{ table_name: string; column_name: string; input_type: string }>(
+        `SELECT table_name, column_name, input_type 
+         FROM table_type_columns 
+         WHERE (table_name, column_name) IN (${placeholders})
+           AND company_code = $${params.length + 1}`,
+        [...params, companyCode]
+      );
+
+      for (const row of results) {
+        const componentType = this.getComponentIdFromInputType(row.input_type);
+        inputTypeMap.set(`${row.table_name}.${row.column_name}`, {
+          inputType: row.input_type,
+          componentType: componentType,
+        });
+      }
+
+      console.log(`최신 inputType 조회 완료: ${results.length}개`);
+    } catch (error) {
+      console.warn(`최신 inputType 조회 실패 (무시됨):`, error);
+    }
+
+    return inputTypeMap;
+  }
+
   // ========================================
   // 템플릿 관리
   // ========================================
diff --git a/backend-node/src/services/tableManagementService.ts b/backend-node/src/services/tableManagementService.ts
index 64eb44c8..8e01903b 100644
--- a/backend-node/src/services/tableManagementService.ts
+++ b/backend-node/src/services/tableManagementService.ts
@@ -797,6 +797,9 @@ export class TableManagementService {
         ]
       );
 
+      // 🔥 해당 컬럼을 사용하는 화면 레이아웃의 widgetType도 업데이트
+      await this.syncScreenLayoutsInputType(tableName, columnName, inputType, companyCode);
+
       // 🔥 캐시 무효화: 해당 테이블의 컬럼 캐시 삭제
       const cacheKeyPattern = `${CacheKeys.TABLE_COLUMNS(tableName, 1, 1000)}_${companyCode}`;
       cache.delete(cacheKeyPattern);
@@ -816,6 +819,135 @@ export class TableManagementService {
     }
   }
 
+  /**
+   * 입력 타입에 해당하는 컴포넌트 ID 반환
+   * (프론트엔드 webTypeMapping.ts와 동일한 매핑)
+   */
+  private getComponentIdFromInputType(inputType: string): string {
+    const mapping: Record<string, string> = {
+      // 텍스트 입력
+      text: "text-input",
+      email: "text-input",
+      password: "text-input",
+      tel: "text-input",
+      // 숫자 입력
+      number: "number-input",
+      decimal: "number-input",
+      // 날짜/시간
+      date: "date-input",
+      datetime: "date-input",
+      time: "date-input",
+      // 텍스트 영역
+      textarea: "textarea-basic",
+      // 선택
+      select: "select-basic",
+      dropdown: "select-basic",
+      // 체크박스/라디오
+      checkbox: "checkbox-basic",
+      radio: "radio-basic",
+      boolean: "toggle-switch",
+      // 파일
+      file: "file-upload",
+      // 이미지
+      image: "image-widget",
+      img: "image-widget",
+      picture: "image-widget",
+      photo: "image-widget",
+      // 버튼
+      button: "button-primary",
+      // 기타
+      label: "text-display",
+      code: "select-basic",
+      entity: "select-basic",
+      category: "select-basic",
+    };
+
+    return mapping[inputType] || "text-input";
+  }
+
+  /**
+   * 컬럼 입력 타입 변경 시 해당 컬럼을 사용하는 화면 레이아웃의 widgetType 및 componentType 동기화
+   * @param tableName - 테이블명
+   * @param columnName - 컬럼명
+   * @param inputType - 새로운 입력 타입
+   * @param companyCode - 회사 코드
+   */
+  private async syncScreenLayoutsInputType(
+    tableName: string,
+    columnName: string,
+    inputType: string,
+    companyCode: string
+  ): Promise<void> {
+    try {
+      // 해당 컬럼을 사용하는 화면 레이아웃 조회
+      const affectedLayouts = await query<{
+        layout_id: number;
+        screen_id: number;
+        component_id: string;
+        component_type: string;
+        properties: any;
+      }>(
+        `SELECT sl.layout_id, sl.screen_id, sl.component_id, sl.component_type, sl.properties
+         FROM screen_layouts sl
+         JOIN screen_definitions sd ON sl.screen_id = sd.screen_id
+         WHERE sl.properties->>'tableName' = $1
+           AND sl.properties->>'columnName' = $2
+           AND (sd.company_code = $3 OR $3 = '*')`,
+        [tableName, columnName, companyCode]
+      );
+
+      if (affectedLayouts.length === 0) {
+        logger.info(
+          `화면 레이아웃 동기화: ${tableName}.${columnName}을 사용하는 화면 없음`
+        );
+        return;
+      }
+
+      logger.info(
+        `화면 레이아웃 동기화 시작: ${affectedLayouts.length}개 컴포넌트 발견`
+      );
+
+      // 새로운 componentType 계산
+      const newComponentType = this.getComponentIdFromInputType(inputType);
+
+      // 각 레이아웃의 widgetType, componentType 업데이트
+      for (const layout of affectedLayouts) {
+        const updatedProperties = {
+          ...layout.properties,
+          widgetType: inputType,
+          inputType: inputType,
+          // componentConfig 내부의 type도 업데이트
+          componentConfig: {
+            ...layout.properties?.componentConfig,
+            type: newComponentType,
+            inputType: inputType,
+          },
+        };
+
+        await query(
+          `UPDATE screen_layouts 
+           SET properties = $1, component_type = $2
+           WHERE layout_id = $3`,
+          [JSON.stringify(updatedProperties), newComponentType, layout.layout_id]
+        );
+
+        logger.info(
+          `화면 레이아웃 업데이트: screen_id=${layout.screen_id}, component_id=${layout.component_id}, widgetType=${inputType}, componentType=${newComponentType}`
+        );
+      }
+
+      logger.info(
+        `화면 레이아웃 동기화 완료: ${affectedLayouts.length}개 컴포넌트 업데이트됨`
+      );
+    } catch (error) {
+      // 화면 레이아웃 동기화 실패는 치명적이지 않으므로 로그만 남기고 계속 진행
+      logger.warn(
+        `화면 레이아웃 동기화 실패 (무시됨): ${tableName}.${columnName}`,
+        error
+      );
+    }
+  }
+
   /**
    * 입력 타입별 기본 상세 설정 생성
    */
diff --git a/backend-node/src/types/flow.ts b/backend-node/src/types/flow.ts
index c877a2b3..9f105a49 100644
--- a/backend-node/src/types/flow.ts
+++ b/backend-node/src/types/flow.ts
@@ -2,18 +2,38 @@
  * 플로우 관리 시스템 타입 정의
  */
 
+// 다중 REST API 연결 설정
+export interface RestApiConnectionConfig {
+  connectionId: number;
+  connectionName: string;
+  endpoint: string;
+  jsonPath: string;
+  alias: string; // 컬럼 접두어 (예: "api1_")
+}
+
+// 다중 외부 DB 연결 설정
+export interface ExternalDbConnectionConfig {
+  connectionId: number;
+  connectionName: string;
+  dbType: string;
+  tableName: string;
+  alias: string; // 컬럼 접두어 (예: "db1_")
+}
+
 // 플로우 정의
 export interface FlowDefinition {
   id: number;
   name: string;
   description?: string;
   tableName: string;
-  dbSourceType?: "internal" | "external" | "restapi"; // 데이터 소스 타입
+  dbSourceType?: "internal" | "external" | "restapi" | "multi_restapi" | "multi_external_db"; // 데이터 소스 타입
   dbConnectionId?: number; // 외부 DB 연결 ID (external인 경우)
-  // REST API 관련 필드
+  // REST API 관련 필드 (단일)
   restApiConnectionId?: number; // REST API 연결 ID (restapi인 경우)
   restApiEndpoint?: string; // REST API 엔드포인트
   restApiJsonPath?: string; // JSON 응답에서 데이터 경로 (기본: data)
+  // 다중 REST API 관련 필드
+  restApiConnections?: RestApiConnectionConfig[]; // 다중 REST API 설정 배열
   companyCode: string; // 회사 코드 (* = 공통)
   isActive: boolean;
   createdBy?: string;
@@ -26,12 +46,14 @@ export interface CreateFlowDefinitionRequest {
   name: string;
   description?: string;
   tableName: string;
-  dbSourceType?: "internal" | "external" | "restapi"; // 데이터 소스 타입
+  dbSourceType?: "internal" | "external" | "restapi" | "multi_restapi" | "multi_external_db"; // 데이터 소스 타입
   dbConnectionId?: number; // 외부 DB 연결 ID
-  // REST API 관련 필드
+  // REST API 관련 필드 (단일)
   restApiConnectionId?: number; // REST API 연결 ID
   restApiEndpoint?: string; // REST API 엔드포인트
   restApiJsonPath?: string; // JSON 응답에서 데이터 경로
+  // 다중 REST API 관련 필드
+  restApiConnections?: RestApiConnectionConfig[]; // 다중 REST API 설정 배열
   companyCode?: string; // 회사 코드 (미제공 시 사용자의 company_code 사용)
 }
 
diff --git a/frontend/app/(main)/admin/external-connections/page.tsx b/frontend/app/(main)/admin/external-connections/page.tsx
index 88754ac4..0ab2fbeb 100644
--- a/frontend/app/(main)/admin/external-connections/page.tsx
+++ b/frontend/app/(main)/admin/external-connections/page.tsx
@@ -317,6 +317,7 @@ export default function ExternalConnectionsPage() {
                     <TableHeader>
                       <TableRow className="bg-background">
                         <TableHead className="h-12 px-6 py-3 text-sm font-semibold">연결명</TableHead>
+                        <TableHead className="h-12 px-6 py-3 text-sm font-semibold">회사</TableHead>
                         <TableHead className="h-12 px-6 py-3 text-sm font-semibold">DB 타입</TableHead>
                         <TableHead className="h-12 px-6 py-3 text-sm font-semibold">호스트:포트</TableHead>
                         <TableHead className="h-12 px-6 py-3 text-sm font-semibold">데이터베이스</TableHead>
@@ -333,6 +334,9 @@ export default function ExternalConnectionsPage() {
                           <TableCell className="h-16 px-6 py-3 text-sm">
                             <div className="font-medium">{connection.connection_name}</div>
                           </TableCell>
+                          <TableCell className="h-16 px-6 py-3 text-sm">
+                            {(connection as any).company_name || connection.company_code}
+                          </TableCell>
                           <TableCell className="h-16 px-6 py-3 text-sm">
                             <Badge variant="outline">
                               {DB_TYPE_LABELS[connection.db_type] || connection.db_type}
diff --git a/frontend/app/(main)/admin/flow-management/[id]/page.tsx b/frontend/app/(main)/admin/flow-management/[id]/page.tsx
index a311bc63..b8d14e19 100644
--- a/frontend/app/(main)/admin/flow-management/[id]/page.tsx
+++ b/frontend/app/(main)/admin/flow-management/[id]/page.tsx
@@ -319,6 +319,10 @@ export default function FlowEditorPage() {
           flowTableName={flowDefinition?.tableName} // 플로우 정의의 테이블명 전달
           flowDbSourceType={flowDefinition?.dbSourceType} // DB 소스 타입 전달
           flowDbConnectionId={flowDefinition?.dbConnectionId} // 외부 DB 연결 ID 전달
+          flowRestApiConnectionId={flowDefinition?.restApiConnectionId} // REST API 연결 ID 전달
+          flowRestApiEndpoint={flowDefinition?.restApiEndpoint} // REST API 엔드포인트 전달
+          flowRestApiJsonPath={flowDefinition?.restApiJsonPath} // REST API JSON 경로 전달
+          flowRestApiConnections={flowDefinition?.restApiConnections} // 다중 REST API 설정 전달
           onClose={() => setSelectedStep(null)}
           onUpdate={loadFlowData}
         />
diff --git a/frontend/app/(main)/admin/flow-management/page.tsx b/frontend/app/(main)/admin/flow-management/page.tsx
index 5a335daf..d283f72d 100644
--- a/frontend/app/(main)/admin/flow-management/page.tsx
+++ b/frontend/app/(main)/admin/flow-management/page.tsx
@@ -64,7 +64,30 @@ export default function FlowManagementPage() {
   // REST API 연결 관련 상태
   const [restApiConnections, setRestApiConnections] = useState<ExternalRestApiConnection[]>([]);
   const [restApiEndpoint, setRestApiEndpoint] = useState("");
-  const [restApiJsonPath, setRestApiJsonPath] = useState("data");
+  const [restApiJsonPath, setRestApiJsonPath] = useState("response");
+  
+  // 다중 REST API 선택 상태
+  interface RestApiConfig {
+    connectionId: number;
+    connectionName: string;
+    endpoint: string;
+    jsonPath: string;
+    alias: string; // 컬럼 접두어 (예: "api1_")
+  }
+  const [selectedRestApis, setSelectedRestApis] = useState<RestApiConfig[]>([]);
+  const [isMultiRestApi, setIsMultiRestApi] = useState(false); // 다중 REST API 모드
+
+  // 다중 외부 DB 선택 상태
+  interface ExternalDbConfig {
+    connectionId: number;
+    connectionName: string;
+    dbType: string;
+    tableName: string;
+    alias: string; // 컬럼 접두어 (예: "db1_")
+  }
+  const [selectedExternalDbs, setSelectedExternalDbs] = useState<ExternalDbConfig[]>([]);
+  const [isMultiExternalDb, setIsMultiExternalDb] = useState(false); // 다중 외부 DB 모드
+  const [multiDbTableLists, setMultiDbTableLists] = useState<Record<number, string[]>>({}); // 각 DB별 테이블 목록
 
   // 생성 폼 상태
   const [formData, setFormData] = useState({
@@ -207,25 +230,161 @@ export default function FlowManagementPage() {
     }
   }, [selectedDbSource]);
 
+  // 다중 외부 DB 추가
+  const addExternalDbConfig = async (connectionId: number) => {
+    const connection = externalConnections.find(c => c.id === connectionId);
+    if (!connection) return;
+    
+    // 이미 추가된 경우 스킵
+    if (selectedExternalDbs.some(db => db.connectionId === connectionId)) {
+      toast({
+        title: "이미 추가됨",
+        description: "해당 외부 DB가 이미 추가되어 있습니다.",
+        variant: "destructive",
+      });
+      return;
+    }
+    
+    // 해당 DB의 테이블 목록 로드
+    try {
+      const data = await ExternalDbConnectionAPI.getTables(connectionId);
+      if (data.success && data.data) {
+        const tables = Array.isArray(data.data) ? data.data : [];
+        const tableNames = tables
+          .map((t: string | { tableName?: string; table_name?: string; tablename?: string; name?: string }) =>
+            typeof t === "string" ? t : t.tableName || t.table_name || t.tablename || t.name,
+          )
+          .filter(Boolean);
+        setMultiDbTableLists(prev => ({ ...prev, [connectionId]: tableNames }));
+      }
+    } catch (error) {
+      console.error("외부 DB 테이블 목록 조회 오류:", error);
+    }
+    
+    const newConfig: ExternalDbConfig = {
+      connectionId,
+      connectionName: connection.connection_name,
+      dbType: connection.db_type,
+      tableName: "",
+      alias: `db${selectedExternalDbs.length + 1}_`, // 자동 별칭 생성
+    };
+    
+    setSelectedExternalDbs([...selectedExternalDbs, newConfig]);
+  };
+  
+  // 다중 외부 DB 삭제
+  const removeExternalDbConfig = (connectionId: number) => {
+    setSelectedExternalDbs(selectedExternalDbs.filter(db => db.connectionId !== connectionId));
+  };
+  
+  // 다중 외부 DB 설정 업데이트
+  const updateExternalDbConfig = (connectionId: number, field: keyof ExternalDbConfig, value: string) => {
+    setSelectedExternalDbs(selectedExternalDbs.map(db => 
+      db.connectionId === connectionId ? { ...db, [field]: value } : db
+    ));
+  };
+
+  // 다중 REST API 추가
+  const addRestApiConfig = (connectionId: number) => {
+    const connection = restApiConnections.find(c => c.id === connectionId);
+    if (!connection) return;
+    
+    // 이미 추가된 경우 스킵
+    if (selectedRestApis.some(api => api.connectionId === connectionId)) {
+      toast({
+        title: "이미 추가됨",
+        description: "해당 REST API가 이미 추가되어 있습니다.",
+        variant: "destructive",
+      });
+      return;
+    }
+    
+    // 연결 테이블의 기본값 사용
+    const newConfig: RestApiConfig = {
+      connectionId,
+      connectionName: connection.connection_name,
+      endpoint: connection.endpoint_path || "", // 연결 테이블의 기본 엔드포인트
+      jsonPath: "response", // 기본값
+      alias: `api${selectedRestApis.length + 1}_`, // 자동 별칭 생성
+    };
+    
+    setSelectedRestApis([...selectedRestApis, newConfig]);
+  };
+  
+  // 다중 REST API 삭제
+  const removeRestApiConfig = (connectionId: number) => {
+    setSelectedRestApis(selectedRestApis.filter(api => api.connectionId !== connectionId));
+  };
+  
+  // 다중 REST API 설정 업데이트
+  const updateRestApiConfig = (connectionId: number, field: keyof RestApiConfig, value: string) => {
+    setSelectedRestApis(selectedRestApis.map(api => 
+      api.connectionId === connectionId ? { ...api, [field]: value } : api
+    ));
+  };
+
   // 플로우 생성
   const handleCreate = async () => {
     console.log("🚀 handleCreate called with formData:", formData);
 
-    // REST API인 경우 테이블 이름 검증 스킵
-    const isRestApi = selectedDbSource.startsWith("restapi_");
+    // REST API 또는 다중 선택인 경우 테이블 이름 검증 스킵
+    const isRestApi = selectedDbSource.startsWith("restapi_") || isMultiRestApi;
+    const isMultiMode = isMultiRestApi || isMultiExternalDb;
     
-    if (!formData.name || (!isRestApi && !formData.tableName)) {
-      console.log("❌ Validation failed:", { name: formData.name, tableName: formData.tableName, isRestApi });
+    if (!formData.name || (!isRestApi && !isMultiMode && !formData.tableName)) {
+      console.log("❌ Validation failed:", { name: formData.name, tableName: formData.tableName, isRestApi, isMultiMode });
       toast({
         title: "입력 오류",
-        description: isRestApi ? "플로우 이름은 필수입니다." : "플로우 이름과 테이블 이름은 필수입니다.",
+        description: (isRestApi || isMultiMode) ? "플로우 이름은 필수입니다." : "플로우 이름과 테이블 이름은 필수입니다.",
         variant: "destructive",
       });
       return;
     }
 
-    // REST API인 경우 엔드포인트 검증
-    if (isRestApi && !restApiEndpoint) {
+    // 다중 REST API 모드인 경우 검증
+    if (isMultiRestApi) {
+      if (selectedRestApis.length === 0) {
+        toast({
+          title: "입력 오류",
+          description: "최소 하나의 REST API를 추가해주세요.",
+          variant: "destructive",
+        });
+        return;
+      }
+      
+      // 각 API의 엔드포인트 검증
+      const missingEndpoint = selectedRestApis.find(api => !api.endpoint);
+      if (missingEndpoint) {
+        toast({
+          title: "입력 오류",
+          description: `${missingEndpoint.connectionName}의 엔드포인트를 입력해주세요.`,
+          variant: "destructive",
+        });
+        return;
+      }
+    } else if (isMultiExternalDb) {
+      // 다중 외부 DB 모드인 경우 검증
+      if (selectedExternalDbs.length === 0) {
+        toast({
+          title: "입력 오류",
+          description: "최소 하나의 외부 DB를 추가해주세요.",
+          variant: "destructive",
+        });
+        return;
+      }
+      
+      // 각 DB의 테이블 선택 검증
+      const missingTable = selectedExternalDbs.find(db => !db.tableName);
+      if (missingTable) {
+        toast({
+          title: "입력 오류",
+          description: `${missingTable.connectionName}의 테이블을 선택해주세요.`,
+          variant: "destructive",
+        });
+        return;
+      }
+    } else if (isRestApi && !restApiEndpoint) {
+      // 단일 REST API인 경우 엔드포인트 검증
       toast({
         title: "입력 오류",
         description: "REST API 엔드포인트는 필수입니다.",
@@ -236,11 +395,15 @@ export default function FlowManagementPage() {
 
     try {
       // 데이터 소스 타입 및 ID 파싱
-      let dbSourceType: "internal" | "external" | "restapi" = "internal";
+      let dbSourceType: "internal" | "external" | "restapi" | "multi_restapi" | "multi_external_db" = "internal";
       let dbConnectionId: number | undefined = undefined;
       let restApiConnectionId: number | undefined = undefined;
 
-      if (selectedDbSource === "internal") {
+      if (isMultiRestApi) {
+        dbSourceType = "multi_restapi";
+      } else if (isMultiExternalDb) {
+        dbSourceType = "multi_external_db";
+      } else if (selectedDbSource === "internal") {
         dbSourceType = "internal";
       } else if (selectedDbSource.startsWith("external_db_")) {
         dbSourceType = "external";
@@ -257,11 +420,27 @@ export default function FlowManagementPage() {
         dbConnectionId,
       };
 
-      // REST API인 경우 추가 정보
-      if (dbSourceType === "restapi") {
+      // 다중 REST API인 경우
+      if (dbSourceType === "multi_restapi") {
+        requestData.restApiConnections = selectedRestApis;
+        // 다중 REST API는 첫 번째 API의 ID를 기본으로 사용
+        requestData.restApiConnectionId = selectedRestApis[0]?.connectionId;
+        requestData.restApiEndpoint = selectedRestApis[0]?.endpoint;
+        requestData.restApiJsonPath = selectedRestApis[0]?.jsonPath || "response";
+        // 가상 테이블명: 모든 연결 ID를 조합
+        requestData.tableName = `_multi_restapi_${selectedRestApis.map(a => a.connectionId).join("_")}`;
+      } else if (dbSourceType === "multi_external_db") {
+        // 다중 외부 DB인 경우
+        requestData.externalDbConnections = selectedExternalDbs;
+        // 첫 번째 DB의 ID를 기본으로 사용
+        requestData.dbConnectionId = selectedExternalDbs[0]?.connectionId;
+        // 가상 테이블명: 모든 연결 ID와 테이블명 조합
+        requestData.tableName = `_multi_external_db_${selectedExternalDbs.map(db => `${db.connectionId}_${db.tableName}`).join("_")}`;
+      } else if (dbSourceType === "restapi") {
+        // 단일 REST API인 경우
         requestData.restApiConnectionId = restApiConnectionId;
         requestData.restApiEndpoint = restApiEndpoint;
-        requestData.restApiJsonPath = restApiJsonPath || "data";
+        requestData.restApiJsonPath = restApiJsonPath || "response";
         // REST API는 가상 테이블명 사용
         requestData.tableName = `_restapi_${restApiConnectionId}`;
       }
@@ -277,7 +456,11 @@ export default function FlowManagementPage() {
         setFormData({ name: "", description: "", tableName: "" });
         setSelectedDbSource("internal");
         setRestApiEndpoint("");
-        setRestApiJsonPath("data");
+        setRestApiJsonPath("response");
+        setSelectedRestApis([]);
+        setSelectedExternalDbs([]);
+        setIsMultiRestApi(false);
+        setIsMultiExternalDb(false);
         loadFlows();
       } else {
         toast({
@@ -485,13 +668,27 @@ export default function FlowManagementPage() {
               <div>
                 <Label className="text-xs sm:text-sm">데이터 소스</Label>
                 <Select
-                  value={selectedDbSource}
+                  value={isMultiRestApi ? "multi_restapi" : isMultiExternalDb ? "multi_external_db" : selectedDbSource}
                   onValueChange={(value) => {
-                    setSelectedDbSource(value);
-                    // 소스 변경 시 테이블 선택 및 REST API 설정 초기화
+                    if (value === "multi_restapi") {
+                      setIsMultiRestApi(true);
+                      setIsMultiExternalDb(false);
+                      setSelectedDbSource("internal");
+                    } else if (value === "multi_external_db") {
+                      setIsMultiExternalDb(true);
+                      setIsMultiRestApi(false);
+                      setSelectedDbSource("internal");
+                    } else {
+                      setIsMultiRestApi(false);
+                      setIsMultiExternalDb(false);
+                      setSelectedDbSource(value);
+                    }
+                    // 소스 변경 시 초기화
                     setFormData({ ...formData, tableName: "" });
                     setRestApiEndpoint("");
-                    setRestApiJsonPath("data");
+                    setRestApiJsonPath("response");
+                    setSelectedRestApis([]);
+                    setSelectedExternalDbs([]);
                   }}
                 >
                   <SelectTrigger className="h-8 text-xs sm:h-10 sm:text-sm">
@@ -504,7 +701,7 @@ export default function FlowManagementPage() {
                     {/* 외부 DB 연결 */}
                     {externalConnections.length > 0 && (
                       <>
-                        <SelectItem value="__divider_db__" disabled className="text-xs text-muted-foreground">
+                        <SelectItem value="__divider_db__" disabled className="text-muted-foreground text-xs">
                           -- 외부 데이터베이스 --
                         </SelectItem>
                         {externalConnections.map((conn) => (
@@ -518,7 +715,7 @@ export default function FlowManagementPage() {
                     {/* REST API 연결 */}
                     {restApiConnections.length > 0 && (
                       <>
-                        <SelectItem value="__divider_api__" disabled className="text-xs text-muted-foreground">
+                        <SelectItem value="__divider_api__" disabled className="text-muted-foreground text-xs">
                           -- REST API --
                         </SelectItem>
                         {restApiConnections.map((conn) => (
@@ -528,6 +725,25 @@ export default function FlowManagementPage() {
                         ))}
                       </>
                     )}
+
+                    {/* 다중 연결 옵션 */}
+                    {(externalConnections.length > 0 || restApiConnections.length > 0) && (
+                      <>
+                        <SelectItem value="__divider_multi__" disabled className="text-muted-foreground text-xs">
+                          -- 다중 연결 (데이터 병합) --
+                        </SelectItem>
+                        {externalConnections.length > 0 && (
+                          <SelectItem value="multi_external_db">
+                            다중 외부 DB (데이터 병합)
+                          </SelectItem>
+                        )}
+                        {restApiConnections.length > 0 && (
+                          <SelectItem value="multi_restapi">
+                            다중 REST API (데이터 병합)
+                          </SelectItem>
+                        )}
+                      </>
+                    )}
                   </SelectContent>
                 </Select>
                 <p className="text-muted-foreground mt-1 text-[10px] sm:text-xs">
@@ -535,8 +751,160 @@ export default function FlowManagementPage() {
                 </p>
               </div>
 
-              {/* REST API인 경우 엔드포인트 설정 */}
-              {selectedDbSource.startsWith("restapi_") ? (
+              {/* 다중 REST API 선택 UI */}
+              {isMultiRestApi && (
+                <div className="space-y-3">
+                  <div className="flex items-center justify-between">
+                    <Label className="text-xs sm:text-sm">REST API 연결 목록</Label>
+                    <Select
+                      value=""
+                      onValueChange={(value) => {
+                        if (value) {
+                          addRestApiConfig(parseInt(value));
+                        }
+                      }}
+                    >
+                      <SelectTrigger className="h-8 w-[180px] text-xs sm:h-9 sm:text-sm">
+                        <SelectValue placeholder="API 추가..." />
+                      </SelectTrigger>
+                      <SelectContent>
+                        {restApiConnections
+                          .filter(conn => !selectedRestApis.some(api => api.connectionId === conn.id))
+                          .map((conn) => (
+                            <SelectItem key={conn.id} value={String(conn.id)}>
+                              {conn.connection_name}
+                            </SelectItem>
+                          ))}
+                      </SelectContent>
+                    </Select>
+                  </div>
+                  
+                  {selectedRestApis.length === 0 ? (
+                    <div className="rounded-md border border-dashed p-4 text-center">
+                      <p className="text-muted-foreground text-xs sm:text-sm">
+                        위에서 REST API를 추가해주세요
+                      </p>
+                    </div>
+                  ) : (
+                    <div className="space-y-2">
+                      {selectedRestApis.map((api) => (
+                        <div key={api.connectionId} className="flex items-center justify-between rounded-md border bg-muted/30 px-3 py-2">
+                          <div className="flex items-center gap-2">
+                            <span className="text-sm font-medium">{api.connectionName}</span>
+                            <span className="text-muted-foreground text-xs">
+                              ({api.endpoint || "기본 엔드포인트"})
+                            </span>
+                          </div>
+                          <Button
+                            variant="ghost"
+                            size="sm"
+                            className="h-6 w-6 p-0"
+                            onClick={() => removeRestApiConfig(api.connectionId)}
+                          >
+                            <Trash2 className="h-3 w-3" />
+                          </Button>
+                        </div>
+                      ))}
+                    </div>
+                  )}
+                  <p className="text-muted-foreground text-[10px] sm:text-xs">
+                    선택한 REST API들의 데이터가 자동으로 병합됩니다.
+                  </p>
+                </div>
+              )}
+
+              {/* 다중 외부 DB 선택 UI */}
+              {isMultiExternalDb && (
+                <div className="space-y-3">
+                  <div className="flex items-center justify-between">
+                    <Label className="text-xs sm:text-sm">외부 DB 연결 목록</Label>
+                    <Select
+                      value=""
+                      onValueChange={(value) => {
+                        if (value) {
+                          addExternalDbConfig(parseInt(value));
+                        }
+                      }}
+                    >
+                      <SelectTrigger className="h-8 w-[180px] text-xs sm:h-9 sm:text-sm">
+                        <SelectValue placeholder="DB 추가..." />
+                      </SelectTrigger>
+                      <SelectContent>
+                        {externalConnections
+                          .filter(conn => !selectedExternalDbs.some(db => db.connectionId === conn.id))
+                          .map((conn) => (
+                            <SelectItem key={conn.id} value={String(conn.id)}>
+                              {conn.connection_name} ({conn.db_type?.toUpperCase()})
+                            </SelectItem>
+                          ))}
+                      </SelectContent>
+                    </Select>
+                  </div>
+                  
+                  {selectedExternalDbs.length === 0 ? (
+                    <div className="rounded-md border border-dashed p-4 text-center">
+                      <p className="text-muted-foreground text-xs sm:text-sm">
+                        위에서 외부 DB를 추가해주세요
+                      </p>
+                    </div>
+                  ) : (
+                    <div className="space-y-3">
+                      {selectedExternalDbs.map((db) => (
+                        <div key={db.connectionId} className="rounded-md border p-3 space-y-2">
+                          <div className="flex items-center justify-between">
+                            <span className="text-sm font-medium">
+                              {db.connectionName} ({db.dbType?.toUpperCase()})
+                            </span>
+                            <Button
+                              variant="ghost"
+                              size="sm"
+                              className="h-6 w-6 p-0"
+                              onClick={() => removeExternalDbConfig(db.connectionId)}
+                            >
+                              <Trash2 className="h-3 w-3" />
+                            </Button>
+                          </div>
+                          <div className="grid grid-cols-2 gap-2">
+                            <div>
+                              <Label className="text-[10px]">테이블</Label>
+                              <Select
+                                value={db.tableName}
+                                onValueChange={(value) => updateExternalDbConfig(db.connectionId, "tableName", value)}
+                              >
+                                <SelectTrigger className="h-7 text-xs">
+                                  <SelectValue placeholder="테이블 선택" />
+                                </SelectTrigger>
+                                <SelectContent>
+                                  {(multiDbTableLists[db.connectionId] || []).map((table) => (
+                                    <SelectItem key={table} value={table}>
+                                      {table}
+                                    </SelectItem>
+                                  ))}
+                                </SelectContent>
+                              </Select>
+                            </div>
+                            <div>
+                              <Label className="text-[10px]">별칭 (접두어)</Label>
+                              <Input
+                                value={db.alias}
+                                onChange={(e) => updateExternalDbConfig(db.connectionId, "alias", e.target.value)}
+                                placeholder="db1_"
+                                className="h-7 text-xs"
+                              />
+                            </div>
+                          </div>
+                        </div>
+                      ))}
+                    </div>
+                  )}
+                  <p className="text-muted-foreground text-[10px] sm:text-xs">
+                    선택한 외부 DB들의 데이터가 자동으로 병합됩니다. 각 DB별 테이블을 선택해주세요.
+                  </p>
+                </div>
+              )}
+
+              {/* 단일 REST API인 경우 엔드포인트 설정 */}
+              {!isMultiRestApi && selectedDbSource.startsWith("restapi_") && (
                 <>
                   <div>
                     <Label htmlFor="restApiEndpoint" className="text-xs sm:text-sm">
@@ -569,8 +937,10 @@ export default function FlowManagementPage() {
                     </p>
                   </div>
                 </>
-              ) : (
-                /* 테이블 선택 (내부 DB 또는 외부 DB) */
+              )}
+
+              {/* 테이블 선택 (내부 DB 또는 단일 외부 DB - 다중 선택 모드가 아닌 경우만) */}
+              {!isMultiRestApi && !isMultiExternalDb && !selectedDbSource.startsWith("restapi_") && (
                 <div>
                   <Label htmlFor="tableName" className="text-xs sm:text-sm">
                     연결 테이블 *
diff --git a/frontend/app/(main)/admin/tableMng/page.tsx b/frontend/app/(main)/admin/tableMng/page.tsx
index 5dcbb6be..cd0c462d 100644
--- a/frontend/app/(main)/admin/tableMng/page.tsx
+++ b/frontend/app/(main)/admin/tableMng/page.tsx
@@ -1093,229 +1093,283 @@ export default function TableManagementPage() {
 
           {/* 우측 메인 영역: 컬럼 타입 관리 (80%) */}
           <div className="flex h-full w-[80%] flex-col overflow-hidden pl-0">
-            <div className="flex h-full flex-col space-y-4 overflow-hidden">
-              <div className="flex-1 overflow-y-auto">
-                {!selectedTable ? (
-                  <div className="bg-card flex h-64 flex-col items-center justify-center rounded-lg border">
-                    <div className="flex flex-col items-center gap-2 text-center">
-                      <p className="text-muted-foreground text-sm">
-                        {getTextFromUI(TABLE_MANAGEMENT_KEYS.SELECT_TABLE_PLACEHOLDER, "테이블을 선택해주세요")}
-                      </p>
-                    </div>
+            <div className="flex h-full flex-col overflow-hidden">
+              {!selectedTable ? (
+                <div className="bg-card flex h-64 flex-col items-center justify-center rounded-lg border">
+                  <div className="flex flex-col items-center gap-2 text-center">
+                    <p className="text-muted-foreground text-sm">
+                      {getTextFromUI(TABLE_MANAGEMENT_KEYS.SELECT_TABLE_PLACEHOLDER, "테이블을 선택해주세요")}
+                    </p>
                   </div>
-                ) : (
-                  <>
-                    {/* 테이블 라벨 설정 */}
-                    <div className="mb-4 flex items-center gap-4">
-                      <div className="flex-1">
-                        <Input
-                          value={tableLabel}
-                          onChange={(e) => setTableLabel(e.target.value)}
-                          placeholder="테이블 표시명"
-                          className="h-10 text-sm"
-                        />
-                      </div>
-                      <div className="flex-1">
-                        <Input
-                          value={tableDescription}
-                          onChange={(e) => setTableDescription(e.target.value)}
-                          placeholder="테이블 설명"
-                          className="h-10 text-sm"
-                        />
-                      </div>
+                </div>
+              ) : (
+                <>
+                  {/* 테이블 라벨 설정 + 저장 버튼 (고정 영역) */}
+                  <div className="mb-4 flex items-center gap-4">
+                    <div className="flex-1">
+                      <Input
+                        value={tableLabel}
+                        onChange={(e) => setTableLabel(e.target.value)}
+                        placeholder="테이블 표시명"
+                        className="h-10 text-sm"
+                      />
                     </div>
+                    <div className="flex-1">
+                      <Input
+                        value={tableDescription}
+                        onChange={(e) => setTableDescription(e.target.value)}
+                        placeholder="테이블 설명"
+                        className="h-10 text-sm"
+                      />
+                    </div>
+                    {/* 저장 버튼 (항상 보이도록 상단에 배치) */}
+                    <Button
+                      onClick={saveAllSettings}
+                      disabled={!selectedTable || columns.length === 0}
+                      className="h-10 gap-2 text-sm font-medium"
+                    >
+                      <Settings className="h-4 w-4" />
+                      전체 설정 저장
+                    </Button>
+                  </div>
 
-                    {columnsLoading ? (
-                      <div className="flex items-center justify-center py-8">
-                        <LoadingSpinner />
-                        <span className="text-muted-foreground ml-2 text-sm">
-                          {getTextFromUI(TABLE_MANAGEMENT_KEYS.MESSAGE_LOADING_COLUMNS, "컬럼 정보 로딩 중...")}
-                        </span>
+                  {columnsLoading ? (
+                    <div className="flex items-center justify-center py-8">
+                      <LoadingSpinner />
+                      <span className="text-muted-foreground ml-2 text-sm">
+                        {getTextFromUI(TABLE_MANAGEMENT_KEYS.MESSAGE_LOADING_COLUMNS, "컬럼 정보 로딩 중...")}
+                      </span>
+                    </div>
+                  ) : columns.length === 0 ? (
+                    <div className="text-muted-foreground py-8 text-center text-sm">
+                      {getTextFromUI(TABLE_MANAGEMENT_KEYS.MESSAGE_NO_COLUMNS, "컬럼이 없습니다")}
+                    </div>
+                  ) : (
+                    <div className="flex flex-1 flex-col overflow-hidden">
+                      {/* 컬럼 헤더 (고정) */}
+                      <div className="text-foreground grid h-12 flex-shrink-0 items-center border-b px-6 py-3 text-sm font-semibold" style={{ gridTemplateColumns: "160px 200px 250px 1fr" }}>
+                        <div className="pr-4">컬럼명</div>
+                        <div className="px-4">라벨</div>
+                        <div className="pr-6">입력 타입</div>
+                        <div className="pl-4">설명</div>
                       </div>
-                    ) : columns.length === 0 ? (
-                      <div className="text-muted-foreground py-8 text-center text-sm">
-                        {getTextFromUI(TABLE_MANAGEMENT_KEYS.MESSAGE_NO_COLUMNS, "컬럼이 없습니다")}
-                      </div>
-                    ) : (
-                      <div className="space-y-4">
-                        {/* 컬럼 헤더 */}
-                        <div className="text-foreground grid h-12 items-center border-b px-6 py-3 text-sm font-semibold" style={{ gridTemplateColumns: "160px 200px 250px 1fr" }}>
-                          <div className="pr-4">컬럼명</div>
-                          <div className="px-4">라벨</div>
-                          <div className="pr-6">입력 타입</div>
-                          <div className="pl-4">설명</div>
-                        </div>
 
-                        {/* 컬럼 리스트 */}
-                        <div
-                          className="max-h-96 overflow-y-auto"
-                          onScroll={(e) => {
-                            const { scrollTop, scrollHeight, clientHeight } = e.currentTarget;
-                            // 스크롤이 끝에 가까워지면 더 많은 데이터 로드
-                            if (scrollHeight - scrollTop <= clientHeight + 100) {
-                              loadMoreColumns();
-                            }
-                          }}
-                        >
-                          {columns.map((column, index) => (
-                            <div
-                              key={column.columnName}
-                              className="bg-background hover:bg-muted/50 grid min-h-16 items-start border-b px-6 py-3 transition-colors"
-                              style={{ gridTemplateColumns: "160px 200px 250px 1fr" }}
-                            >
-                              <div className="pr-4 pt-1">
-                                <div className="font-mono text-sm">{column.columnName}</div>
-                              </div>
-                              <div className="px-4">
-                                <Input
-                                  value={column.displayName || ""}
-                                  onChange={(e) => handleLabelChange(column.columnName, e.target.value)}
-                                  placeholder={column.columnName}
-                                  className="h-8 text-xs"
-                                />
-                              </div>
-                              <div className="pr-6">
-                                <div className="space-y-3">
-                                  {/* 입력 타입 선택 */}
+                      {/* 컬럼 리스트 (스크롤 영역) */}
+                      <div
+                        className="flex-1 overflow-y-auto"
+                        onScroll={(e) => {
+                          const { scrollTop, scrollHeight, clientHeight } = e.currentTarget;
+                          // 스크롤이 끝에 가까워지면 더 많은 데이터 로드
+                          if (scrollHeight - scrollTop <= clientHeight + 100) {
+                            loadMoreColumns();
+                          }
+                        }}
+                      >
+                        {columns.map((column, index) => (
+                          <div
+                            key={column.columnName}
+                            className="bg-background hover:bg-muted/50 grid min-h-16 items-start border-b px-6 py-3 transition-colors"
+                            style={{ gridTemplateColumns: "160px 200px 250px 1fr" }}
+                          >
+                            <div className="pr-4 pt-1">
+                              <div className="font-mono text-sm">{column.columnName}</div>
+                            </div>
+                            <div className="px-4">
+                              <Input
+                                value={column.displayName || ""}
+                                onChange={(e) => handleLabelChange(column.columnName, e.target.value)}
+                                placeholder={column.columnName}
+                                className="h-8 text-xs"
+                              />
+                            </div>
+                            <div className="pr-6">
+                              <div className="space-y-3">
+                                {/* 입력 타입 선택 */}
+                                <Select
+                                  value={column.inputType || "text"}
+                                  onValueChange={(value) => handleInputTypeChange(column.columnName, value)}
+                                >
+                                  <SelectTrigger className="h-8 text-xs">
+                                    <SelectValue placeholder="입력 타입 선택" />
+                                  </SelectTrigger>
+                                  <SelectContent>
+                                    {memoizedInputTypeOptions.map((option) => (
+                                      <SelectItem key={option.value} value={option.value}>
+                                        {option.label}
+                                      </SelectItem>
+                                    ))}
+                                  </SelectContent>
+                                </Select>
+                                {/* 입력 타입이 'code'인 경우 공통코드 선택 */}
+                                {column.inputType === "code" && (
                                   <Select
-                                    value={column.inputType || "text"}
-                                    onValueChange={(value) => handleInputTypeChange(column.columnName, value)}
+                                    value={column.codeCategory || "none"}
+                                    onValueChange={(value) =>
+                                      handleDetailSettingsChange(column.columnName, "code", value)
+                                    }
                                   >
                                     <SelectTrigger className="h-8 text-xs">
-                                      <SelectValue placeholder="입력 타입 선택" />
+                                      <SelectValue placeholder="공통코드 선택" />
                                     </SelectTrigger>
                                     <SelectContent>
-                                      {memoizedInputTypeOptions.map((option) => (
-                                        <SelectItem key={option.value} value={option.value}>
+                                      {commonCodeOptions.map((option, index) => (
+                                        <SelectItem key={`code-${option.value}-${index}`} value={option.value}>
                                           {option.label}
                                         </SelectItem>
                                       ))}
                                     </SelectContent>
                                   </Select>
-                                  {/* 입력 타입이 'code'인 경우 공통코드 선택 */}
-                                  {column.inputType === "code" && (
-                                    <Select
-                                      value={column.codeCategory || "none"}
-                                      onValueChange={(value) =>
-                                        handleDetailSettingsChange(column.columnName, "code", value)
-                                      }
-                                    >
-                                      <SelectTrigger className="h-8 text-xs">
-                                        <SelectValue placeholder="공통코드 선택" />
-                                      </SelectTrigger>
-                                      <SelectContent>
-                                        {commonCodeOptions.map((option, index) => (
-                                          <SelectItem key={`code-${option.value}-${index}`} value={option.value}>
-                                            {option.label}
-                                          </SelectItem>
-                                        ))}
-                                      </SelectContent>
-                                    </Select>
-                                  )}
-                                  {/* 입력 타입이 'category'인 경우 2레벨 메뉴 다중 선택 */}
-                                  {column.inputType === "category" && (
-                                    <div className="space-y-2">
-                                      <label className="text-muted-foreground mb-1 block text-xs">
-                                        적용할 메뉴 (2레벨)
-                                      </label>
-                                      <div className="border rounded-lg p-3 space-y-2 max-h-48 overflow-y-auto">
-                                        {secondLevelMenus.length === 0 ? (
-                                          <p className="text-xs text-muted-foreground">
-                                            2레벨 메뉴가 없습니다. 메뉴를 선택하지 않으면 모든 메뉴에서 사용 가능합니다.
-                                          </p>
-                                        ) : (
-                                          secondLevelMenus.map((menu) => {
-                                            // menuObjid를 숫자로 변환하여 비교
-                                            const menuObjidNum = Number(menu.menuObjid);
-                                            const isChecked = (column.categoryMenus || []).includes(menuObjidNum);
-                                            
-                                            return (
-                                              <div key={menu.menuObjid} className="flex items-center gap-2">
-                                                <input
-                                                  type="checkbox"
-                                                  id={`category-menu-${column.columnName}-${menu.menuObjid}`}
-                                                  checked={isChecked}
-                                                  onChange={(e) => {
-                                                    const currentMenus = column.categoryMenus || [];
-                                                    const newMenus = e.target.checked
-                                                      ? [...currentMenus, menuObjidNum]
-                                                      : currentMenus.filter((id) => id !== menuObjidNum);
-
-                                                    setColumns((prev) =>
-                                                      prev.map((col) =>
-                                                        col.columnName === column.columnName
-                                                          ? { ...col, categoryMenus: newMenus }
-                                                          : col
-                                                      )
-                                                    );
-                                                  }}
-                                                  className="h-4 w-4 rounded border-gray-300 text-primary focus:ring-2 focus:ring-ring"
-                                                />
-                                                <label
-                                                  htmlFor={`category-menu-${column.columnName}-${menu.menuObjid}`}
-                                                  className="text-xs cursor-pointer flex-1"
-                                                >
-                                                  {menu.parentMenuName} → {menu.menuName}
-                                                </label>
-                                              </div>
-                                            );
-                                          })
-                                        )}
-                                      </div>
-                                      {column.categoryMenus && column.categoryMenus.length > 0 && (
-                                        <p className="text-primary text-xs">
-                                          {column.categoryMenus.length}개 메뉴 선택됨
+                                )}
+                                {/* 입력 타입이 'category'인 경우 2레벨 메뉴 다중 선택 */}
+                                {column.inputType === "category" && (
+                                  <div className="space-y-2">
+                                    <label className="text-muted-foreground mb-1 block text-xs">
+                                      적용할 메뉴 (2레벨)
+                                    </label>
+                                    <div className="border rounded-lg p-3 space-y-2 max-h-48 overflow-y-auto">
+                                      {secondLevelMenus.length === 0 ? (
+                                        <p className="text-xs text-muted-foreground">
+                                          2레벨 메뉴가 없습니다. 메뉴를 선택하지 않으면 모든 메뉴에서 사용 가능합니다.
                                         </p>
+                                      ) : (
+                                        secondLevelMenus.map((menu) => {
+                                          // menuObjid를 숫자로 변환하여 비교
+                                          const menuObjidNum = Number(menu.menuObjid);
+                                          const isChecked = (column.categoryMenus || []).includes(menuObjidNum);
+                                          
+                                          return (
+                                            <div key={menu.menuObjid} className="flex items-center gap-2">
+                                              <input
+                                                type="checkbox"
+                                                id={`category-menu-${column.columnName}-${menu.menuObjid}`}
+                                                checked={isChecked}
+                                                onChange={(e) => {
+                                                  const currentMenus = column.categoryMenus || [];
+                                                  const newMenus = e.target.checked
+                                                    ? [...currentMenus, menuObjidNum]
+                                                    : currentMenus.filter((id) => id !== menuObjidNum);
+
+                                                  setColumns((prev) =>
+                                                    prev.map((col) =>
+                                                      col.columnName === column.columnName
+                                                        ? { ...col, categoryMenus: newMenus }
+                                                        : col
+                                                    )
+                                                  );
+                                                }}
+                                                className="h-4 w-4 rounded border-gray-300 text-primary focus:ring-2 focus:ring-ring"
+                                              />
+                                              <label
+                                                htmlFor={`category-menu-${column.columnName}-${menu.menuObjid}`}
+                                                className="text-xs cursor-pointer flex-1"
+                                              >
+                                                {menu.parentMenuName} → {menu.menuName}
+                                              </label>
+                                            </div>
+                                          );
+                                        })
                                       )}
                                     </div>
-                                  )}
-                                  {/* 입력 타입이 'entity'인 경우 참조 테이블 선택 */}
-                                  {column.inputType === "entity" && (
-                                    <>
-                                      {/* 참조 테이블 */}
+                                    {column.categoryMenus && column.categoryMenus.length > 0 && (
+                                      <p className="text-primary text-xs">
+                                        {column.categoryMenus.length}개 메뉴 선택됨
+                                      </p>
+                                    )}
+                                  </div>
+                                )}
+                                {/* 입력 타입이 'entity'인 경우 참조 테이블 선택 */}
+                                {column.inputType === "entity" && (
+                                  <>
+                                    {/* 참조 테이블 */}
+                                    <div className="w-48">
+                                      <label className="text-muted-foreground mb-1 block text-xs">
+                                        참조 테이블
+                                      </label>
+                                      <Select
+                                        value={column.referenceTable || "none"}
+                                        onValueChange={(value) =>
+                                          handleDetailSettingsChange(column.columnName, "entity", value)
+                                        }
+                                      >
+                                        <SelectTrigger className="bg-background h-8 w-full text-xs">
+                                          <SelectValue placeholder="선택" />
+                                        </SelectTrigger>
+                                        <SelectContent>
+                                          {referenceTableOptions.map((option, index) => (
+                                            <SelectItem
+                                              key={`entity-${option.value}-${index}`}
+                                              value={option.value}
+                                            >
+                                              <div className="flex flex-col">
+                                                <span className="font-medium">{option.label}</span>
+                                                <span className="text-muted-foreground text-xs">
+                                                  {option.value}
+                                                </span>
+                                              </div>
+                                            </SelectItem>
+                                          ))}
+                                        </SelectContent>
+                                      </Select>
+                                    </div>
+
+                                    {/* 조인 컬럼 */}
+                                    {column.referenceTable && column.referenceTable !== "none" && (
                                       <div className="w-48">
                                         <label className="text-muted-foreground mb-1 block text-xs">
-                                          참조 테이블
+                                          조인 컬럼
                                         </label>
                                         <Select
-                                          value={column.referenceTable || "none"}
+                                          value={column.referenceColumn || "none"}
                                           onValueChange={(value) =>
-                                            handleDetailSettingsChange(column.columnName, "entity", value)
+                                            handleDetailSettingsChange(
+                                              column.columnName,
+                                              "entity_reference_column",
+                                              value,
+                                            )
                                           }
                                         >
                                           <SelectTrigger className="bg-background h-8 w-full text-xs">
                                             <SelectValue placeholder="선택" />
                                           </SelectTrigger>
                                           <SelectContent>
-                                            {referenceTableOptions.map((option, index) => (
+                                            <SelectItem value="none">-- 선택 안함 --</SelectItem>
+                                            {referenceTableColumns[column.referenceTable]?.map((refCol, index) => (
                                               <SelectItem
-                                                key={`entity-${option.value}-${index}`}
-                                                value={option.value}
+                                                key={`ref-col-${refCol.columnName}-${index}`}
+                                                value={refCol.columnName}
                                               >
-                                                <div className="flex flex-col">
-                                                  <span className="font-medium">{option.label}</span>
-                                                  <span className="text-muted-foreground text-xs">
-                                                    {option.value}
-                                                  </span>
-                                                </div>
+                                                <span className="font-medium">{refCol.columnName}</span>
                                               </SelectItem>
                                             ))}
+                                            {(!referenceTableColumns[column.referenceTable] ||
+                                              referenceTableColumns[column.referenceTable].length === 0) && (
+                                              <SelectItem value="loading" disabled>
+                                                <div className="flex items-center gap-2">
+                                                  <div className="border-primary h-3 w-3 animate-spin rounded-full border border-t-transparent"></div>
+                                                  로딩중
+                                                </div>
+                                              </SelectItem>
+                                            )}
                                           </SelectContent>
                                         </Select>
                                       </div>
+                                    )}
 
-                                      {/* 조인 컬럼 */}
-                                      {column.referenceTable && column.referenceTable !== "none" && (
+                                    {/* 표시 컬럼 */}
+                                    {column.referenceTable &&
+                                      column.referenceTable !== "none" &&
+                                      column.referenceColumn &&
+                                      column.referenceColumn !== "none" && (
                                         <div className="w-48">
                                           <label className="text-muted-foreground mb-1 block text-xs">
-                                            조인 컬럼
+                                            표시 컬럼
                                           </label>
                                           <Select
-                                            value={column.referenceColumn || "none"}
+                                            value={column.displayColumn || "none"}
                                             onValueChange={(value) =>
                                               handleDetailSettingsChange(
                                                 column.columnName,
-                                                "entity_reference_column",
+                                                "entity_display_column",
                                                 value,
                                               )
                                             }
@@ -1347,79 +1401,32 @@ export default function TableManagementPage() {
                                         </div>
                                       )}
 
-                                      {/* 표시 컬럼 */}
-                                      {column.referenceTable &&
-                                        column.referenceTable !== "none" &&
-                                        column.referenceColumn &&
-                                        column.referenceColumn !== "none" && (
-                                          <div className="w-48">
-                                            <label className="text-muted-foreground mb-1 block text-xs">
-                                              표시 컬럼
-                                            </label>
-                                            <Select
-                                              value={column.displayColumn || "none"}
-                                              onValueChange={(value) =>
-                                                handleDetailSettingsChange(
-                                                  column.columnName,
-                                                  "entity_display_column",
-                                                  value,
-                                                )
-                                              }
-                                            >
-                                              <SelectTrigger className="bg-background h-8 w-full text-xs">
-                                                <SelectValue placeholder="선택" />
-                                              </SelectTrigger>
-                                              <SelectContent>
-                                                <SelectItem value="none">-- 선택 안함 --</SelectItem>
-                                                {referenceTableColumns[column.referenceTable]?.map((refCol, index) => (
-                                                  <SelectItem
-                                                    key={`ref-col-${refCol.columnName}-${index}`}
-                                                    value={refCol.columnName}
-                                                  >
-                                                    <span className="font-medium">{refCol.columnName}</span>
-                                                  </SelectItem>
-                                                ))}
-                                                {(!referenceTableColumns[column.referenceTable] ||
-                                                  referenceTableColumns[column.referenceTable].length === 0) && (
-                                                  <SelectItem value="loading" disabled>
-                                                    <div className="flex items-center gap-2">
-                                                      <div className="border-primary h-3 w-3 animate-spin rounded-full border border-t-transparent"></div>
-                                                      로딩중
-                                                    </div>
-                                                  </SelectItem>
-                                                )}
-                                              </SelectContent>
-                                            </Select>
-                                          </div>
-                                        )}
-
-                                      {/* 설정 완료 표시 */}
-                                      {column.referenceTable &&
-                                        column.referenceTable !== "none" &&
-                                        column.referenceColumn &&
-                                        column.referenceColumn !== "none" &&
-                                        column.displayColumn &&
-                                        column.displayColumn !== "none" && (
-                                          <div className="bg-primary/10 text-primary flex items-center gap-1 rounded px-2 py-1 text-xs w-48">
-                                            <span>✓</span>
-                                            <span className="truncate">설정 완료</span>
-                                          </div>
-                                        )}
-                                    </>
-                                  )}
-                                </div>
-                              </div>
-                              <div className="pl-4">
-                                <Input
-                                  value={column.description || ""}
-                                  onChange={(e) => handleColumnChange(index, "description", e.target.value)}
-                                  placeholder="설명"
-                                  className="h-8 w-full text-xs"
-                                />
+                                    {/* 설정 완료 표시 */}
+                                    {column.referenceTable &&
+                                      column.referenceTable !== "none" &&
+                                      column.referenceColumn &&
+                                      column.referenceColumn !== "none" &&
+                                      column.displayColumn &&
+                                      column.displayColumn !== "none" && (
+                                        <div className="bg-primary/10 text-primary flex items-center gap-1 rounded px-2 py-1 text-xs w-48">
+                                          <span>✓</span>
+                                          <span className="truncate">설정 완료</span>
+                                        </div>
+                                      )}
+                                  </>
+                                )}
                               </div>
                             </div>
-                          ))}
-                        </div>
+                            <div className="pl-4">
+                              <Input
+                                value={column.description || ""}
+                                onChange={(e) => handleColumnChange(index, "description", e.target.value)}
+                                placeholder="설명"
+                                className="h-8 w-full text-xs"
+                              />
+                            </div>
+                          </div>
+                        ))}
 
                         {/* 로딩 표시 */}
                         {columnsLoading && (
@@ -1428,28 +1435,16 @@ export default function TableManagementPage() {
                             <span className="text-muted-foreground ml-2 text-sm">더 많은 컬럼 로딩 중...</span>
                           </div>
                         )}
-
-                        {/* 페이지 정보 */}
-                        <div className="text-muted-foreground text-center text-sm">
-                          {columns.length} / {totalColumns} 컬럼 표시됨
-                        </div>
-
-                        {/* 전체 저장 버튼 */}
-                        <div className="flex justify-end pt-4">
-                          <Button
-                            onClick={saveAllSettings}
-                            disabled={!selectedTable || columns.length === 0}
-                            className="h-10 gap-2 text-sm font-medium"
-                          >
-                            <Settings className="h-4 w-4" />
-                            전체 설정 저장
-                          </Button>
-                        </div>
                       </div>
-                    )}
-                  </>
-                )}
-              </div>
+
+                      {/* 페이지 정보 (고정 하단) */}
+                      <div className="text-muted-foreground flex-shrink-0 border-t py-2 text-center text-sm">
+                        {columns.length} / {totalColumns} 컬럼 표시됨
+                      </div>
+                    </div>
+                  )}
+                </>
+              )}
             </div>
           </div>
         </div>
diff --git a/frontend/app/(main)/screens/[screenId]/page.tsx b/frontend/app/(main)/screens/[screenId]/page.tsx
index 8ab31ff7..5ce253cb 100644
--- a/frontend/app/(main)/screens/[screenId]/page.tsx
+++ b/frontend/app/(main)/screens/[screenId]/page.tsx
@@ -308,7 +308,7 @@ function ScreenViewPage() {
       <TableOptionsProvider>
         <div
           ref={containerRef}
-          className="bg-background flex h-full w-full items-center justify-center overflow-auto pt-8"
+          className="bg-background flex h-full w-full items-center justify-center overflow-auto"
         >
           {/* 레이아웃 준비 중 로딩 표시 */}
           {!layoutReady && (
diff --git a/frontend/components/admin/RestApiConnectionList.tsx b/frontend/components/admin/RestApiConnectionList.tsx
index ad57eb01..8ed5ea58 100644
--- a/frontend/components/admin/RestApiConnectionList.tsx
+++ b/frontend/components/admin/RestApiConnectionList.tsx
@@ -284,6 +284,7 @@ export function RestApiConnectionList() {
             <TableHeader>
               <TableRow className="bg-background">
                 <TableHead className="h-12 px-6 py-3 text-sm font-semibold">연결명</TableHead>
+                <TableHead className="h-12 px-6 py-3 text-sm font-semibold">회사</TableHead>
                 <TableHead className="h-12 px-6 py-3 text-sm font-semibold">기본 URL</TableHead>
                 <TableHead className="h-12 px-6 py-3 text-sm font-semibold">인증 타입</TableHead>
                 <TableHead className="h-12 px-6 py-3 text-sm font-semibold">헤더 수</TableHead>
@@ -308,6 +309,9 @@ export function RestApiConnectionList() {
                       )}
                     </div>
                   </TableCell>
+                  <TableCell className="h-16 px-6 py-3 text-sm">
+                    {(connection as any).company_name || connection.company_code}
+                  </TableCell>
                   <TableCell className="h-16 px-6 py-3 font-mono text-sm">
                     <div className="max-w-[300px] truncate" title={connection.base_url}>
                       {connection.base_url}
diff --git a/frontend/components/admin/RestApiConnectionModal.tsx b/frontend/components/admin/RestApiConnectionModal.tsx
index aa7d79d8..3de34800 100644
--- a/frontend/components/admin/RestApiConnectionModal.tsx
+++ b/frontend/components/admin/RestApiConnectionModal.tsx
@@ -232,7 +232,7 @@ export function RestApiConnectionModal({ isOpen, onClose, onSave, connection }:
         timeout,
         retry_count: retryCount,
         retry_delay: retryDelay,
-        company_code: "*",
+        // company_code는 백엔드에서 로그인 사용자의 company_code로 자동 설정
         is_active: isActive ? "Y" : "N",
       };
 
diff --git a/frontend/components/common/ScreenModal.tsx b/frontend/components/common/ScreenModal.tsx
index de886cfd..a048bbe4 100644
--- a/frontend/components/common/ScreenModal.tsx
+++ b/frontend/components/common/ScreenModal.tsx
@@ -17,6 +17,7 @@ import { toast } from "sonner";
 import { useAuth } from "@/hooks/useAuth";
 import { TableOptionsProvider } from "@/contexts/TableOptionsContext";
 import { TableSearchWidgetHeightProvider } from "@/contexts/TableSearchWidgetHeightContext";
+import { useSplitPanelContext } from "@/contexts/SplitPanelContext";
 
 interface ScreenModalState {
   isOpen: boolean;
@@ -32,6 +33,7 @@ interface ScreenModalProps {
 
 export const ScreenModal: React.FC<ScreenModalProps> = ({ className }) => {
   const { userId, userName, user } = useAuth();
+  const splitPanelContext = useSplitPanelContext();
 
   const [modalState, setModalState] = useState<ScreenModalState>({
     isOpen: false,
@@ -132,7 +134,17 @@ export const ScreenModal: React.FC<ScreenModalProps> = ({ className }) => {
   // 전역 모달 이벤트 리스너
   useEffect(() => {
     const handleOpenModal = (event: CustomEvent) => {
-      const { screenId, title, description, size, urlParams, editData, selectedData: eventSelectedData, selectedIds } = event.detail;
+      const {
+        screenId,
+        title,
+        description,
+        size,
+        urlParams,
+        editData,
+        splitPanelParentData,
+        selectedData: eventSelectedData,
+        selectedIds,
+      } = event.detail;
 
       console.log("📦 [ScreenModal] 모달 열기 이벤트 수신:", {
         screenId,
@@ -170,6 +182,20 @@ export const ScreenModal: React.FC<ScreenModalProps> = ({ className }) => {
         setFormData(editData);
         setOriginalData(editData); // 🆕 원본 데이터 저장 (UPDATE 판단용)
       } else {
+        // 🆕 신규 등록 모드: 분할 패널 부모 데이터가 있으면 미리 설정
+        // 1순위: 이벤트로 전달된 splitPanelParentData (탭 안에서 열린 모달)
+        // 2순위: splitPanelContext에서 직접 가져온 데이터 (분할 패널 내에서 열린 모달)
+        const parentData =
+          splitPanelParentData && Object.keys(splitPanelParentData).length > 0
+            ? splitPanelParentData
+            : splitPanelContext?.getMappedParentData() || {};
+
+        if (Object.keys(parentData).length > 0) {
+          console.log("🔗 [ScreenModal] 분할 패널 부모 데이터 초기값 설정:", parentData);
+          setFormData(parentData);
+        } else {
+          setFormData({});
+        }
         setOriginalData(null); // 신규 등록 모드
       }
 
diff --git a/frontend/components/dashboard/DashboardViewer.tsx b/frontend/components/dashboard/DashboardViewer.tsx
index d26ac0b7..b9346ba7 100644
--- a/frontend/components/dashboard/DashboardViewer.tsx
+++ b/frontend/components/dashboard/DashboardViewer.tsx
@@ -545,8 +545,8 @@ export function DashboardViewer({
       {/* 데스크톱: 디자이너에서 설정한 위치 그대로 렌더링 (화면에 맞춰 비율 유지) */}
       <div className="bg-muted hidden min-h-screen py-8 lg:block" style={{ backgroundColor }}>
         <div className="mx-auto px-4" style={{ width: "100%", maxWidth: "none" }}>
-          {/* 다운로드 버튼 */}
-          <div className="mb-4 flex justify-end">
+          {/* 다운로드 버튼 - 비활성화 */}
+          {/* <div className="mb-4 flex justify-end">
             <DropdownMenu>
               <DropdownMenuTrigger asChild>
                 <Button variant="outline" size="sm" className="gap-2">
@@ -559,7 +559,7 @@ export function DashboardViewer({
                 <DropdownMenuItem onClick={() => handleDownload("pdf")}>PDF 문서로 저장</DropdownMenuItem>
               </DropdownMenuContent>
             </DropdownMenu>
-          </div>
+          </div> */}
 
           <div
             className="dashboard-viewer-canvas relative rounded-lg"
@@ -588,8 +588,8 @@ export function DashboardViewer({
       {/* 태블릿 이하: 반응형 세로 정렬 */}
       <div className="bg-muted block min-h-screen p-4 lg:hidden" style={{ backgroundColor }}>
         <div className="mx-auto max-w-3xl space-y-4">
-          {/* 다운로드 버튼 */}
-          <div className="flex justify-end">
+          {/* 다운로드 버튼 - 비활성화 */}
+          {/* <div className="flex justify-end">
             <DropdownMenu>
               <DropdownMenuTrigger asChild>
                 <Button variant="outline" size="sm" className="gap-2">
@@ -602,7 +602,7 @@ export function DashboardViewer({
                 <DropdownMenuItem onClick={() => handleDownload("pdf")}>PDF 문서로 저장</DropdownMenuItem>
               </DropdownMenuContent>
             </DropdownMenu>
-          </div>
+          </div> */}
 
           <div className="dashboard-viewer-canvas">
             {sortedElements.map((element) => (
diff --git a/frontend/components/dashboard/widgets/VehicleMapOnlyWidget.tsx b/frontend/components/dashboard/widgets/VehicleMapOnlyWidget.tsx
index 19aa0a71..6e41fdaf 100644
--- a/frontend/components/dashboard/widgets/VehicleMapOnlyWidget.tsx
+++ b/frontend/components/dashboard/widgets/VehicleMapOnlyWidget.tsx
@@ -34,7 +34,7 @@ interface Vehicle {
   driver: string;
   lat: number;
   lng: number;
-  status: "active" | "inactive" | "maintenance" | "warning";
+  status: "active" | "inactive" | "maintenance" | "warning" | "off";
   speed: number;
   destination: string;
 }
@@ -88,24 +88,45 @@ export default function VehicleMapOnlyWidget({ element, refreshInterval = 30000
           const statusCol = element.chartConfig.statusColumn || "status";
 
           // DB 데이터를 Vehicle 형식으로 변환
-          const vehiclesFromDB: Vehicle[] = result.data.rows.map((row: any, index: number) => ({
-            id: row.id || row.vehicle_number || `V${index + 1}`,
-            name: row[labelCol] || `차량 ${index + 1}`,
-            driver: row.driver_name || row.driver || "미배정",
-            lat: parseFloat(row[latCol]),
-            lng: parseFloat(row[lngCol]),
-            status:
-              row[statusCol] === "warning"
-                ? "warning"
-                : row[statusCol] === "active"
-                  ? "active"
-                  : row[statusCol] === "maintenance"
-                    ? "maintenance"
-                    : "inactive",
-            speed: parseFloat(row.speed) || 0,
-            destination: row.destination || "대기 중",
-          }));
+          console.log("🗺️ [VehicleMapOnlyWidget] 원본 데이터:", result.data.rows);
+          console.log("🗺️ [VehicleMapOnlyWidget] 컬럼 매핑:", { latCol, lngCol, labelCol, statusCol });
+          
+          const vehiclesFromDB: Vehicle[] = result.data.rows
+            .map((row: any, index: number) => {
+              const lat = parseFloat(row[latCol]);
+              const lng = parseFloat(row[lngCol]);
+              
+              console.log(`🗺️ [VehicleMapOnlyWidget] 차량 ${index + 1}:`, {
+                id: row.id || row.vehicle_number,
+                latRaw: row[latCol],
+                lngRaw: row[lngCol],
+                latParsed: lat,
+                lngParsed: lng,
+                status: row[statusCol],
+              });
+              
+              return {
+                id: row.id || row.vehicle_number || `V${index + 1}`,
+                name: row[labelCol] || `차량 ${index + 1}`,
+                driver: row.driver_name || row.driver || "미배정",
+                lat,
+                lng,
+                status:
+                  row[statusCol] === "warning"
+                    ? "warning"
+                    : row[statusCol] === "active"
+                      ? "active"
+                      : row[statusCol] === "maintenance"
+                        ? "maintenance"
+                        : "inactive",
+                speed: parseFloat(row.speed) || 0,
+                destination: row.destination || "대기 중",
+              };
+            })
+            // 유효한 위도/경도가 있는 차량만 필터링
+            .filter((v: Vehicle) => !isNaN(v.lat) && !isNaN(v.lng) && v.lat !== 0 && v.lng !== 0);
 
+          console.log("🗺️ [VehicleMapOnlyWidget] 유효한 차량 수:", vehiclesFromDB.length);
           setVehicles(vehiclesFromDB);
           setLastUpdate(new Date());
           setIsLoading(false);
diff --git a/frontend/components/flow/FlowConditionBuilder.tsx b/frontend/components/flow/FlowConditionBuilder.tsx
index 70e8b91d..5bccc2c7 100644
--- a/frontend/components/flow/FlowConditionBuilder.tsx
+++ b/frontend/components/flow/FlowConditionBuilder.tsx
@@ -14,13 +14,27 @@ import { Label } from "@/components/ui/label";
 import { Badge } from "@/components/ui/badge";
 import { FlowConditionGroup, FlowCondition, ConditionOperator } from "@/types/flow";
 import { getTableColumns } from "@/lib/api/tableManagement";
+import { ExternalRestApiConnectionAPI } from "@/lib/api/externalRestApiConnection";
 import { cn } from "@/lib/utils";
 
+// 다중 REST API 연결 설정
+interface RestApiConnectionConfig {
+  connectionId: number;
+  connectionName: string;
+  endpoint: string;
+  jsonPath: string;
+  alias: string;
+}
+
 interface FlowConditionBuilderProps {
   flowId: number;
   tableName?: string; // 조회할 테이블명
-  dbSourceType?: "internal" | "external"; // DB 소스 타입
+  dbSourceType?: "internal" | "external" | "restapi" | "multi_restapi"; // DB 소스 타입
   dbConnectionId?: number; // 외부 DB 연결 ID
+  restApiConnectionId?: number; // REST API 연결 ID (단일)
+  restApiEndpoint?: string; // REST API 엔드포인트 (단일)
+  restApiJsonPath?: string; // REST API JSON 경로 (단일)
+  restApiConnections?: RestApiConnectionConfig[]; // 다중 REST API 설정
   condition?: FlowConditionGroup;
   onChange: (condition: FlowConditionGroup | undefined) => void;
 }
@@ -45,6 +59,10 @@ export function FlowConditionBuilder({
   tableName,
   dbSourceType = "internal",
   dbConnectionId,
+  restApiConnectionId,
+  restApiEndpoint,
+  restApiJsonPath,
+  restApiConnections,
   condition,
   onChange,
 }: FlowConditionBuilderProps) {
@@ -65,9 +83,10 @@ export function FlowConditionBuilder({
     }
   }, [condition]);
 
-  // 테이블 컬럼 로드 - 내부/외부 DB 모두 지원
+  // 테이블 컬럼 로드 - 내부/외부 DB 및 REST API 모두 지원
   useEffect(() => {
-    if (!tableName) {
+    // REST API인 경우 tableName이 없어도 진행 가능
+    if (!tableName && dbSourceType !== "restapi" && dbSourceType !== "multi_restapi") {
       setColumns([]);
       return;
     }
@@ -79,8 +98,106 @@ export function FlowConditionBuilder({
           tableName,
           dbSourceType,
           dbConnectionId,
+          restApiConnectionId,
+          restApiEndpoint,
+          restApiJsonPath,
+          restApiConnections,
         });
 
+        // 다중 REST API인 경우
+        if (dbSourceType === "multi_restapi" && restApiConnections && restApiConnections.length > 0) {
+          try {
+            console.log("🌐 [FlowConditionBuilder] 다중 REST API 컬럼 로드 시작:", restApiConnections);
+            
+            // 각 API에서 컬럼 정보 수집
+            const allColumns: any[] = [];
+            
+            for (const config of restApiConnections) {
+              try {
+                const effectiveJsonPath = (!config.jsonPath || config.jsonPath === "data") ? "response" : config.jsonPath;
+                
+                const restApiData = await ExternalRestApiConnectionAPI.fetchData(
+                  config.connectionId,
+                  config.endpoint,
+                  effectiveJsonPath,
+                );
+                
+                if (restApiData.columns && restApiData.columns.length > 0) {
+                  // 별칭 적용
+                  const prefixedColumns = restApiData.columns.map((col) => ({
+                    column_name: config.alias ? `${config.alias}${col.columnName}` : col.columnName,
+                    data_type: col.dataType || "varchar",
+                    displayName: `${col.columnLabel || col.columnName} (${config.connectionName})`,
+                    sourceApi: config.connectionName,
+                  }));
+                  allColumns.push(...prefixedColumns);
+                }
+              } catch (apiError) {
+                console.warn(`API ${config.connectionId} 컬럼 로드 실패:`, apiError);
+              }
+            }
+            
+            console.log("✅ [FlowConditionBuilder] 다중 REST API 컬럼 로드 완료:", allColumns.length, "items");
+            setColumns(allColumns);
+          } catch (multiApiError) {
+            console.error("❌ 다중 REST API 컬럼 로드 실패:", multiApiError);
+            setColumns([]);
+          }
+          return;
+        }
+
+        // 단일 REST API인 경우 (dbSourceType이 restapi이거나 tableName이 _restapi_로 시작)
+        const isRestApi = dbSourceType === "restapi" || tableName?.startsWith("_restapi_");
+        
+        // tableName에서 REST API 연결 ID 추출 (restApiConnectionId가 없는 경우)
+        let effectiveRestApiConnectionId = restApiConnectionId;
+        if (isRestApi && !effectiveRestApiConnectionId && tableName) {
+          const match = tableName.match(/_restapi_(\d+)/);
+          if (match) {
+            effectiveRestApiConnectionId = parseInt(match[1]);
+            console.log("🔍 tableName에서 REST API 연결 ID 추출:", effectiveRestApiConnectionId);
+          }
+        }
+        
+        if (isRestApi && effectiveRestApiConnectionId) {
+          try {
+            // jsonPath가 "data"이거나 없으면 "response"로 변경 (thiratis API 응답 구조에 맞춤)
+            const effectiveJsonPath = (!restApiJsonPath || restApiJsonPath === "data") ? "response" : restApiJsonPath;
+            
+            console.log("🌐 [FlowConditionBuilder] REST API 컬럼 로드 시작:", {
+              connectionId: effectiveRestApiConnectionId,
+              endpoint: restApiEndpoint,
+              jsonPath: restApiJsonPath,
+              effectiveJsonPath,
+            });
+            
+            const restApiData = await ExternalRestApiConnectionAPI.fetchData(
+              effectiveRestApiConnectionId,
+              restApiEndpoint,
+              effectiveJsonPath,
+            );
+            
+            console.log("✅ [FlowConditionBuilder] REST API columns response:", restApiData);
+            
+            if (restApiData.columns && restApiData.columns.length > 0) {
+              const columnList = restApiData.columns.map((col) => ({
+                column_name: col.columnName,
+                data_type: col.dataType || "varchar",
+                displayName: col.columnLabel || col.columnName,
+              }));
+              console.log("✅ Setting REST API columns:", columnList.length, "items", columnList);
+              setColumns(columnList);
+            } else {
+              console.warn("❌ No columns in REST API response");
+              setColumns([]);
+            }
+          } catch (restApiError) {
+            console.error("❌ REST API 컬럼 로드 실패:", restApiError);
+            setColumns([]);
+          }
+          return;
+        }
+
         // 외부 DB인 경우
         if (dbSourceType === "external" && dbConnectionId) {
           const token = localStorage.getItem("authToken");
@@ -148,7 +265,7 @@ export function FlowConditionBuilder({
     };
 
     loadColumns();
-  }, [tableName, dbSourceType, dbConnectionId]);
+  }, [tableName, dbSourceType, dbConnectionId, restApiConnectionId, restApiEndpoint, restApiJsonPath]);
 
   // 조건 변경 시 부모에 전달
   useEffect(() => {
diff --git a/frontend/components/flow/FlowStepPanel.tsx b/frontend/components/flow/FlowStepPanel.tsx
index 8930704a..855596cb 100644
--- a/frontend/components/flow/FlowStepPanel.tsx
+++ b/frontend/components/flow/FlowStepPanel.tsx
@@ -30,12 +30,25 @@ import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { Textarea } from "@/components/ui/textarea";
 import { ExternalDbConnectionAPI } from "@/lib/api/externalDbConnection";
 
+// 다중 REST API 연결 설정
+interface RestApiConnectionConfig {
+  connectionId: number;
+  connectionName: string;
+  endpoint: string;
+  jsonPath: string;
+  alias: string;
+}
+
 interface FlowStepPanelProps {
   step: FlowStep;
   flowId: number;
   flowTableName?: string; // 플로우 정의에서 선택한 테이블명
-  flowDbSourceType?: "internal" | "external"; // 플로우의 DB 소스 타입
+  flowDbSourceType?: "internal" | "external" | "restapi" | "multi_restapi"; // 플로우의 DB 소스 타입
   flowDbConnectionId?: number; // 플로우의 외부 DB 연결 ID
+  flowRestApiConnectionId?: number; // 플로우의 REST API 연결 ID (단일)
+  flowRestApiEndpoint?: string; // REST API 엔드포인트 (단일)
+  flowRestApiJsonPath?: string; // REST API JSON 경로 (단일)
+  flowRestApiConnections?: RestApiConnectionConfig[]; // 다중 REST API 설정
   onClose: () => void;
   onUpdate: () => void;
 }
@@ -46,6 +59,10 @@ export function FlowStepPanel({
   flowTableName,
   flowDbSourceType = "internal",
   flowDbConnectionId,
+  flowRestApiConnectionId,
+  flowRestApiEndpoint,
+  flowRestApiJsonPath,
+  flowRestApiConnections,
   onClose,
   onUpdate,
 }: FlowStepPanelProps) {
@@ -56,6 +73,9 @@ export function FlowStepPanel({
     flowTableName,
     flowDbSourceType,
     flowDbConnectionId,
+    flowRestApiConnectionId,
+    flowRestApiEndpoint,
+    flowRestApiJsonPath,
     final: step.tableName || flowTableName || "",
   });
 
@@ -315,10 +335,11 @@ export function FlowStepPanel({
     setFormData(newFormData);
   }, [step.id, flowTableName]); // flowTableName도 의존성 추가
 
-  // 테이블 선택 시 컬럼 로드 - 내부/외부 DB 모두 지원
+  // 테이블 선택 시 컬럼 로드 - 내부/외부 DB 및 REST API 모두 지원
   useEffect(() => {
     const loadColumns = async () => {
-      if (!formData.tableName) {
+      // 다중 REST API인 경우 tableName 없이도 컬럼 로드 가능
+      if (!formData.tableName && flowDbSourceType !== "multi_restapi") {
         setColumns([]);
         return;
       }
@@ -329,8 +350,74 @@ export function FlowStepPanel({
           tableName: formData.tableName,
           flowDbSourceType,
           flowDbConnectionId,
+          flowRestApiConnectionId,
+          flowRestApiConnections,
         });
 
+        // 다중 REST API인 경우
+        if (flowDbSourceType === "multi_restapi" && flowRestApiConnections && flowRestApiConnections.length > 0) {
+          console.log("🌐 다중 REST API 컬럼 로드 시작");
+          const { ExternalRestApiConnectionAPI } = await import("@/lib/api/externalRestApiConnection");
+          
+          const allColumns: any[] = [];
+          
+          for (const config of flowRestApiConnections) {
+            try {
+              const effectiveJsonPath = (!config.jsonPath || config.jsonPath === "data") ? "response" : config.jsonPath;
+              
+              const restApiData = await ExternalRestApiConnectionAPI.fetchData(
+                config.connectionId,
+                config.endpoint,
+                effectiveJsonPath,
+              );
+              
+              if (restApiData.columns && restApiData.columns.length > 0) {
+                const prefixedColumns = restApiData.columns.map((col) => ({
+                  column_name: config.alias ? `${config.alias}${col.columnName}` : col.columnName,
+                  data_type: col.dataType || "varchar",
+                  displayName: `${col.columnLabel || col.columnName} (${config.connectionName})`,
+                }));
+                allColumns.push(...prefixedColumns);
+              }
+            } catch (apiError) {
+              console.warn(`API ${config.connectionId} 컬럼 로드 실패:`, apiError);
+            }
+          }
+          
+          console.log("✅ 다중 REST API 컬럼 로드 완료:", allColumns.length, "items");
+          setColumns(allColumns);
+          return;
+        }
+
+        // 단일 REST API인 경우
+        const isRestApi = flowDbSourceType === "restapi" || formData.tableName?.startsWith("_restapi_");
+        
+        if (isRestApi && flowRestApiConnectionId) {
+          console.log("🌐 단일 REST API 컬럼 로드 시작");
+          const { ExternalRestApiConnectionAPI } = await import("@/lib/api/externalRestApiConnection");
+          
+          const effectiveJsonPath = (!flowRestApiJsonPath || flowRestApiJsonPath === "data") ? "response" : flowRestApiJsonPath;
+          
+          const restApiData = await ExternalRestApiConnectionAPI.fetchData(
+            flowRestApiConnectionId,
+            flowRestApiEndpoint,
+            effectiveJsonPath,
+          );
+          
+          if (restApiData.columns && restApiData.columns.length > 0) {
+            const columnList = restApiData.columns.map((col) => ({
+              column_name: col.columnName,
+              data_type: col.dataType || "varchar",
+              displayName: col.columnLabel || col.columnName,
+            }));
+            console.log("✅ REST API 컬럼 로드 완료:", columnList.length, "items");
+            setColumns(columnList);
+          } else {
+            setColumns([]);
+          }
+          return;
+        }
+
         // 외부 DB인 경우
         if (flowDbSourceType === "external" && flowDbConnectionId) {
           const token = localStorage.getItem("authToken");
@@ -399,7 +486,7 @@ export function FlowStepPanel({
     };
 
     loadColumns();
-  }, [formData.tableName, flowDbSourceType, flowDbConnectionId]);
+  }, [formData.tableName, flowDbSourceType, flowDbConnectionId, flowRestApiConnectionId, flowRestApiEndpoint, flowRestApiJsonPath, flowRestApiConnections]);
 
   // formData의 최신 값을 항상 참조하기 위한 ref
   const formDataRef = useRef(formData);
@@ -661,6 +748,10 @@ export function FlowStepPanel({
                 tableName={formData.tableName}
                 dbSourceType={flowDbSourceType}
                 dbConnectionId={flowDbConnectionId}
+                restApiConnectionId={flowRestApiConnectionId}
+                restApiEndpoint={flowRestApiEndpoint}
+                restApiJsonPath={flowRestApiJsonPath}
+                restApiConnections={flowRestApiConnections}
                 condition={formData.conditionJson}
                 onChange={(condition) => setFormData({ ...formData, conditionJson: condition })}
               />
@@ -852,7 +943,7 @@ export function FlowStepPanel({
                     <SelectItem
                       key={opt.value}
                       value={opt.value}
-                      disabled={opt.value !== "internal" && opt.value !== "external_db"}
+                      disabled={opt.value !== "internal" && opt.value !== "external_db" && opt.value !== "rest_api"}
                     >
                       {opt.label}
                     </SelectItem>
@@ -1044,6 +1135,132 @@ export function FlowStepPanel({
                 )}
               </div>
             )}
+
+            {/* REST API 연동 설정 */}
+            {formData.integrationType === "rest_api" && (
+              <div className="space-y-4 rounded-lg border p-4">
+                <div>
+                  <Label>REST API 연결</Label>
+                  <Select
+                    value={formData.integrationConfig?.connectionId?.toString() || ""}
+                    onValueChange={(value) => {
+                      const connectionId = parseInt(value);
+                      setFormData({
+                        ...formData,
+                        integrationConfig: {
+                          type: "rest_api",
+                          connectionId,
+                          operation: "update",
+                          endpoint: "",
+                          method: "POST",
+                          bodyTemplate: "{}",
+                        } as any,
+                      });
+                    }}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder="REST API 연결 선택" />
+                    </SelectTrigger>
+                    <SelectContent>
+                      {flowRestApiConnections && flowRestApiConnections.length > 0 ? (
+                        flowRestApiConnections.map((api) => (
+                          <SelectItem key={api.connectionId} value={api.connectionId.toString()}>
+                            {api.connectionName}
+                          </SelectItem>
+                        ))
+                      ) : flowRestApiConnectionId ? (
+                        <SelectItem value={flowRestApiConnectionId.toString()}>
+                          기본 REST API 연결
+                        </SelectItem>
+                      ) : (
+                        <SelectItem value="" disabled>
+                          연결된 REST API가 없습니다
+                        </SelectItem>
+                      )}
+                    </SelectContent>
+                  </Select>
+                </div>
+
+                {formData.integrationConfig?.connectionId && (
+                  <>
+                    <div>
+                      <Label>HTTP 메서드</Label>
+                      <Select
+                        value={(formData.integrationConfig as any).method || "POST"}
+                        onValueChange={(value) =>
+                          setFormData({
+                            ...formData,
+                            integrationConfig: {
+                              ...formData.integrationConfig!,
+                              method: value,
+                            } as any,
+                          })
+                        }
+                      >
+                        <SelectTrigger>
+                          <SelectValue />
+                        </SelectTrigger>
+                        <SelectContent>
+                          <SelectItem value="GET">GET</SelectItem>
+                          <SelectItem value="POST">POST</SelectItem>
+                          <SelectItem value="PUT">PUT</SelectItem>
+                          <SelectItem value="PATCH">PATCH</SelectItem>
+                          <SelectItem value="DELETE">DELETE</SelectItem>
+                        </SelectContent>
+                      </Select>
+                    </div>
+
+                    <div>
+                      <Label>엔드포인트</Label>
+                      <Input
+                        value={(formData.integrationConfig as any).endpoint || ""}
+                        onChange={(e) =>
+                          setFormData({
+                            ...formData,
+                            integrationConfig: {
+                              ...formData.integrationConfig!,
+                              endpoint: e.target.value,
+                            } as any,
+                          })
+                        }
+                        placeholder="/api/update"
+                      />
+                      <p className="text-muted-foreground mt-1 text-xs">
+                        데이터 이동 시 호출할 API 엔드포인트
+                      </p>
+                    </div>
+
+                    <div>
+                      <Label>요청 바디 (JSON)</Label>
+                      <Textarea
+                        value={(formData.integrationConfig as any).bodyTemplate || "{}"}
+                        onChange={(e) =>
+                          setFormData({
+                            ...formData,
+                            integrationConfig: {
+                              ...formData.integrationConfig!,
+                              bodyTemplate: e.target.value,
+                            } as any,
+                          })
+                        }
+                        placeholder='{"id": "{{dataId}}", "status": "approved"}'
+                        rows={4}
+                        className="font-mono text-sm"
+                      />
+                    </div>
+
+                    <div className="rounded-md bg-blue-50 p-3">
+                      <p className="text-sm text-blue-900">
+                        💡 템플릿 변수를 사용하여 동적 값을 삽입할 수 있습니다:
+                        <br />• {`{{dataId}}`} - 이동하는 데이터의 ID
+                        <br />• {`{{currentUser}}`} - 현재 사용자
+                        <br />• {`{{currentTimestamp}}`} - 현재 시간
+                      </p>
+                    </div>
+                  </>
+                )}
+              </div>
+            )}
           </CardContent>
         </Card>
 
diff --git a/frontend/components/layout/AppLayout.tsx b/frontend/components/layout/AppLayout.tsx
index 8394cd6d..0d23a88e 100644
--- a/frontend/components/layout/AppLayout.tsx
+++ b/frontend/components/layout/AppLayout.tsx
@@ -15,6 +15,8 @@ import {
   ChevronDown,
   ChevronRight,
   UserCheck,
+  LogOut,
+  User,
 } from "lucide-react";
 import { useMenu } from "@/contexts/MenuContext";
 import { useAuth } from "@/hooks/useAuth";
@@ -22,8 +24,17 @@ import { useProfile } from "@/hooks/useProfile";
 import { MenuItem } from "@/lib/api/menu";
 import { menuScreenApi } from "@/lib/api/screen";
 import { toast } from "sonner";
-import { MainHeader } from "./MainHeader";
 import { ProfileModal } from "./ProfileModal";
+import { Logo } from "./Logo";
+import { SideMenu } from "./SideMenu";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
 
 // useAuth의 UserInfo 타입을 확장
 interface ExtendedUserInfo {
@@ -234,6 +245,21 @@ function AppLayoutInner({ children }: AppLayoutProps) {
     selectImage,
     removeImage,
     saveProfile,
+    // 운전자 관련
+    isDriver,
+    hasVehicle,
+    driverInfo,
+    driverFormData,
+    updateDriverFormData,
+    handleDriverStatusChange,
+    handleDriverAccountDelete,
+    handleDeleteVehicle,
+    openVehicleRegisterModal,
+    closeVehicleRegisterModal,
+    isVehicleRegisterModalOpen,
+    newVehicleData,
+    updateNewVehicleData,
+    handleRegisterVehicle,
   } = useProfile(user, refreshUserData, refreshMenus);
 
   // 현재 경로에 따라 어드민 모드인지 판단 (쿼리 파라미터도 고려)
@@ -397,82 +423,152 @@ function AppLayoutInner({ children }: AppLayoutProps) {
   const uiMenus = convertMenuToUI(currentMenus, user as ExtendedUserInfo);
 
   return (
-    <div className="flex h-screen flex-col bg-white">
-      {/* MainHeader 컴포넌트 사용 */}
-      <MainHeader
-        user={user}
-        onSidebarToggle={() => {
-          // 모바일에서만 토글 동작
-          if (isMobile) {
-            setSidebarOpen(!sidebarOpen);
-          }
-        }}
-        onProfileClick={openProfileModal}
-        onLogout={handleLogout}
-      />
+    <div className="flex h-screen bg-white">
+      {/* 모바일 사이드바 오버레이 */}
+      {sidebarOpen && isMobile && (
+        <div className="fixed inset-0 z-30 bg-black/50 lg:hidden" onClick={() => setSidebarOpen(false)} />
+      )}
 
-      <div className="flex flex-1 pt-14">
-        {/* 모바일 사이드바 오버레이 */}
-        {sidebarOpen && isMobile && (
-          <div className="fixed inset-0 z-30 bg-black/50 lg:hidden" onClick={() => setSidebarOpen(false)} />
+      {/* 왼쪽 사이드바 */}
+      <aside
+        className={`${
+          isMobile
+            ? (sidebarOpen ? "translate-x-0" : "-translate-x-full") + " fixed top-0 left-0 z-40"
+            : "relative z-auto translate-x-0"
+        } flex h-screen w-[200px] flex-col border-r border-slate-200 bg-white transition-transform duration-300`}
+      >
+        {/* 사이드바 최상단 - 로고 + 모바일 햄버거 메뉴 */}
+        <div className="flex h-14 items-center justify-between border-b border-slate-200 px-4">
+          <Logo />
+          {/* 모바일 햄버거 메뉴 버튼 */}
+          <div className="lg:hidden">
+            <SideMenu onSidebarToggle={() => setSidebarOpen(!sidebarOpen)} />
+          </div>
+        </div>
+
+        {/* Admin/User 모드 전환 버튼 (관리자만) */}
+        {((user as ExtendedUserInfo)?.userType === "SUPER_ADMIN" ||
+          (user as ExtendedUserInfo)?.userType === "COMPANY_ADMIN" ||
+          (user as ExtendedUserInfo)?.userType === "admin") && (
+          <div className="border-b border-slate-200 p-3">
+            <Button
+              onClick={handleModeSwitch}
+              className={`flex w-full items-center justify-center gap-2 rounded-lg px-3 py-2 text-sm font-medium transition-colors duration-200 hover:cursor-pointer ${
+                isAdminMode
+                  ? "border border-orange-200 bg-orange-50 text-orange-700 hover:bg-orange-100"
+                  : "border-primary/20 bg-accent hover:bg-primary/20 border text-blue-700"
+              }`}
+            >
+              {isAdminMode ? (
+                <>
+                  <UserCheck className="h-4 w-4" />
+                  사용자 메뉴로 전환
+                </>
+              ) : (
+                <>
+                  <Shield className="h-4 w-4" />
+                  관리자 메뉴로 전환
+                </>
+              )}
+            </Button>
+          </div>
         )}
 
-        {/* 왼쪽 사이드바 */}
-        <aside
-          className={`${
-            isMobile
-              ? (sidebarOpen ? "translate-x-0" : "-translate-x-full") + " fixed top-14 left-0 z-40"
-              : "relative top-0 z-auto translate-x-0"
-          } flex h-[calc(100vh-3.5rem)] w-[200px] flex-col border-r border-slate-200 bg-white transition-transform duration-300`}
-        >
-          {/* 사이드바 상단 - Admin/User 모드 전환 버튼 (관리자만) */}
-          {((user as ExtendedUserInfo)?.userType === "SUPER_ADMIN" ||
-            (user as ExtendedUserInfo)?.userType === "COMPANY_ADMIN" ||
-            (user as ExtendedUserInfo)?.userType === "admin") && (
-            <div className="border-b border-slate-200 p-3">
-              <Button
-                onClick={handleModeSwitch}
-                className={`flex w-full items-center justify-center gap-2 rounded-lg px-3 py-2 text-sm font-medium transition-colors duration-200 hover:cursor-pointer ${
-                  isAdminMode
-                    ? "border border-orange-200 bg-orange-50 text-orange-700 hover:bg-orange-100"
-                    : "border-primary/20 bg-accent hover:bg-primary/20 border text-blue-700"
-                }`}
-              >
-                {isAdminMode ? (
-                  <>
-                    <UserCheck className="h-4 w-4" />
-                    사용자 메뉴로 전환
-                  </>
-                ) : (
-                  <>
-                    <Shield className="h-4 w-4" />
-                    관리자 메뉴로 전환
-                  </>
-                )}
-              </Button>
-            </div>
-          )}
+        {/* 메뉴 영역 */}
+        <div className="flex-1 overflow-y-auto py-4">
+          <nav className="space-y-1 px-3">
+            {loading ? (
+              <div className="animate-pulse space-y-2">
+                {[...Array(5)].map((_, i) => (
+                  <div key={i} className="h-8 rounded bg-slate-200"></div>
+                ))}
+              </div>
+            ) : (
+              uiMenus.map((menu) => renderMenu(menu))
+            )}
+          </nav>
+        </div>
 
-          <div className="flex-1 overflow-y-auto py-4">
-            <nav className="space-y-1 px-3">
-              {loading ? (
-                <div className="animate-pulse space-y-2">
-                  {[...Array(5)].map((_, i) => (
-                    <div key={i} className="h-8 rounded bg-slate-200"></div>
-                  ))}
+        {/* 사이드바 하단 - 사용자 프로필 */}
+        <div className="border-t border-slate-200 p-3">
+          <DropdownMenu modal={false}>
+            <DropdownMenuTrigger asChild>
+              <button className="flex w-full items-center gap-3 rounded-lg px-2 py-2 text-left transition-colors hover:bg-slate-100">
+                {/* 프로필 아바타 */}
+                <div className="relative flex h-9 w-9 shrink-0 overflow-hidden rounded-full">
+                  {user.photo && user.photo.trim() !== "" && user.photo !== "null" ? (
+                    <img
+                      src={user.photo}
+                      alt={user.userName || "User"}
+                      className="aspect-square h-full w-full object-cover"
+                    />
+                  ) : (
+                    <div className="flex h-full w-full items-center justify-center rounded-full bg-slate-200 text-sm font-semibold text-slate-700">
+                      {user.userName?.substring(0, 1)?.toUpperCase() || "U"}
+                    </div>
+                  )}
                 </div>
-              ) : (
-                uiMenus.map((menu) => renderMenu(menu))
-              )}
-            </nav>
-          </div>
-        </aside>
+                {/* 사용자 정보 */}
+                <div className="min-w-0 flex-1">
+                  <p className="truncate text-sm font-medium text-slate-900">
+                    {user.userName || "사용자"}
+                  </p>
+                  <p className="truncate text-xs text-slate-500">
+                    {user.deptName || user.email || user.userId}
+                  </p>
+                </div>
+              </button>
+            </DropdownMenuTrigger>
+            <DropdownMenuContent className="w-56" align="start" side="top">
+              <DropdownMenuLabel className="font-normal">
+                <div className="flex items-center space-x-3">
+                  {/* 프로필 사진 표시 */}
+                  <div className="relative flex h-12 w-12 shrink-0 overflow-hidden rounded-full">
+                    {user.photo && user.photo.trim() !== "" && user.photo !== "null" ? (
+                      <img
+                        src={user.photo}
+                        alt={user.userName || "User"}
+                        className="aspect-square h-full w-full object-cover"
+                      />
+                    ) : (
+                      <div className="flex h-full w-full items-center justify-center rounded-full bg-slate-200 text-base font-semibold text-slate-700">
+                        {user.userName?.substring(0, 1)?.toUpperCase() || "U"}
+                      </div>
+                    )}
+                  </div>
 
-        {/* 가운데 컨텐츠 영역 - 스크롤 가능 */}
-        <main className="h-[calc(100vh-3.5rem)] min-w-0 flex-1 overflow-auto bg-white">
-          {children}
-        </main>
-      </div>
+                  {/* 사용자 정보 */}
+                  <div className="flex flex-col space-y-1">
+                    <p className="text-sm leading-none font-medium">
+                      {user.userName || "사용자"} ({user.userId || ""})
+                    </p>
+                    <p className="text-muted-foreground text-xs leading-none font-semibold">{user.email || ""}</p>
+                    <p className="text-muted-foreground text-xs leading-none font-semibold">
+                      {user.deptName && user.positionName
+                        ? `${user.deptName}, ${user.positionName}`
+                        : user.deptName || user.positionName || "부서 정보 없음"}
+                    </p>
+                  </div>
+                </div>
+              </DropdownMenuLabel>
+              <DropdownMenuSeparator />
+              <DropdownMenuItem onClick={openProfileModal}>
+                <User className="mr-2 h-4 w-4" />
+                <span>프로필</span>
+              </DropdownMenuItem>
+              <DropdownMenuItem onClick={handleLogout}>
+                <LogOut className="mr-2 h-4 w-4" />
+                <span>로그아웃</span>
+              </DropdownMenuItem>
+            </DropdownMenuContent>
+          </DropdownMenu>
+        </div>
+      </aside>
+
+      {/* 가운데 컨텐츠 영역 - 스크롤 가능 */}
+      <main className="h-screen min-w-0 flex-1 overflow-auto bg-white">
+        {children}
+      </main>
 
       {/* 프로필 수정 모달 */}
       <ProfileModal
@@ -483,6 +579,20 @@ function AppLayoutInner({ children }: AppLayoutProps) {
         isSaving={isSaving}
         departments={departments}
         alertModal={alertModal}
+        isDriver={isDriver}
+        hasVehicle={hasVehicle}
+        driverInfo={driverInfo}
+        driverFormData={driverFormData}
+        onDriverFormChange={updateDriverFormData}
+        onDriverStatusChange={handleDriverStatusChange}
+        onDriverAccountDelete={handleDriverAccountDelete}
+        onDeleteVehicle={handleDeleteVehicle}
+        onOpenVehicleRegisterModal={openVehicleRegisterModal}
+        isVehicleRegisterModalOpen={isVehicleRegisterModalOpen}
+        newVehicleData={newVehicleData}
+        onCloseVehicleRegisterModal={closeVehicleRegisterModal}
+        onNewVehicleDataChange={updateNewVehicleData}
+        onRegisterVehicle={handleRegisterVehicle}
         onClose={closeProfileModal}
         onFormChange={updateFormData}
         onImageSelect={selectImage}
diff --git a/frontend/components/layout/ProfileModal.tsx b/frontend/components/layout/ProfileModal.tsx
index 9dce16a0..e79d3357 100644
--- a/frontend/components/layout/ProfileModal.tsx
+++ b/frontend/components/layout/ProfileModal.tsx
@@ -11,8 +11,20 @@ import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
-import { Camera, X } from "lucide-react";
+import { Camera, X, Car, Wrench, Clock, Plus, Trash2 } from "lucide-react";
 import { ProfileFormData } from "@/types/profile";
+import { Separator } from "@/components/ui/separator";
+import { VehicleRegisterData } from "@/lib/api/driver";
+
+// 운전자 정보 타입
+export interface DriverInfo {
+  vehicleNumber: string;
+  vehicleType: string | null;
+  licenseNumber: string;
+  phoneNumber: string;
+  vehicleStatus: string | null;
+  branchName: string | null;
+}
 
 // 알림 모달 컴포넌트
 interface AlertModalProps {
@@ -54,6 +66,15 @@ function AlertModal({ isOpen, onClose, title, message, type = "info" }: AlertMod
   );
 }
 
+// 운전자 폼 데이터 타입
+export interface DriverFormData {
+  vehicleNumber: string;
+  vehicleType: string;
+  licenseNumber: string;
+  phoneNumber: string;
+  branchName: string;
+}
+
 interface ProfileModalProps {
   isOpen: boolean;
   user: any;
@@ -70,6 +91,23 @@ interface ProfileModalProps {
     message: string;
     type: "success" | "error" | "info";
   };
+  // 운전자 관련 props (선택적)
+  isDriver?: boolean;
+  hasVehicle?: boolean;
+  driverInfo?: DriverInfo | null;
+  driverFormData?: DriverFormData;
+  onDriverFormChange?: (field: keyof DriverFormData, value: string) => void;
+  onDriverStatusChange?: (status: "off" | "maintenance") => void;
+  onDriverAccountDelete?: () => void;
+  // 차량 삭제/등록 관련 props
+  onDeleteVehicle?: () => void;
+  onOpenVehicleRegisterModal?: () => void;
+  // 새 차량 등록 모달 관련 props
+  isVehicleRegisterModalOpen?: boolean;
+  newVehicleData?: VehicleRegisterData;
+  onCloseVehicleRegisterModal?: () => void;
+  onNewVehicleDataChange?: (field: keyof VehicleRegisterData, value: string) => void;
+  onRegisterVehicle?: () => void;
   onClose: () => void;
   onFormChange: (field: keyof ProfileFormData, value: string) => void;
   onImageSelect: (event: React.ChangeEvent<HTMLInputElement>) => void;
@@ -89,6 +127,20 @@ export function ProfileModal({
   isSaving,
   departments,
   alertModal,
+  isDriver = false,
+  hasVehicle = false,
+  driverInfo,
+  driverFormData,
+  onDriverFormChange,
+  onDriverStatusChange,
+  onDriverAccountDelete,
+  onDeleteVehicle,
+  onOpenVehicleRegisterModal,
+  isVehicleRegisterModalOpen = false,
+  newVehicleData,
+  onCloseVehicleRegisterModal,
+  onNewVehicleDataChange,
+  onRegisterVehicle,
   onClose,
   onFormChange,
   onImageSelect,
@@ -96,6 +148,21 @@ export function ProfileModal({
   onSave,
   onAlertClose,
 }: ProfileModalProps) {
+  // 차량 상태 한글 변환
+  const getStatusLabel = (status: string | null) => {
+    switch (status) {
+      case "off":
+        return "대기";
+      case "active":
+        return "운행중";
+      case "inactive":
+        return "공차";
+      case "maintenance":
+        return "정비";
+      default:
+        return status || "-";
+    }
+  };
   return (
     <>
       <ResizableDialog open={isOpen} onOpenChange={onClose}>
@@ -234,6 +301,152 @@ export function ProfileModal({
                 </Select>
               </div>
             </div>
+
+            {/* 운전자 정보 섹션 (공차중계 사용자만) */}
+            {isDriver && (
+              <>
+                <Separator className="my-4" />
+                <div className="space-y-4">
+                  <div className="flex items-center justify-between">
+                    <div className="flex items-center gap-2">
+                      <Car className="h-5 w-5 text-primary" />
+                      <h3 className="text-sm font-semibold">차량/운전자 정보</h3>
+                    </div>
+                    {/* 차량 유무에 따른 버튼 표시 */}
+                    {hasVehicle ? (
+                      <Button
+                        type="button"
+                        variant="destructive"
+                        size="sm"
+                        onClick={onDeleteVehicle}
+                        className="flex items-center gap-1"
+                      >
+                        <Trash2 className="h-3 w-3" />
+                        차량 삭제
+                      </Button>
+                    ) : (
+                      <Button
+                        type="button"
+                        variant="default"
+                        size="sm"
+                        onClick={onOpenVehicleRegisterModal}
+                        className="flex items-center gap-1"
+                      >
+                        <Plus className="h-3 w-3" />
+                        새 차량 등록
+                      </Button>
+                    )}
+                  </div>
+
+                  {/* 운전자 정보 (항상 수정 가능) */}
+                  {driverFormData && onDriverFormChange && (
+                    <>
+                      {/* 차량 정보 - 차량이 있을 때만 수정 가능 */}
+                      {hasVehicle ? (
+                        <div className="grid grid-cols-2 gap-4">
+                          <div className="space-y-2">
+                            <Label htmlFor="vehicleNumber">차량번호</Label>
+                            <Input
+                              id="vehicleNumber"
+                              value={driverFormData.vehicleNumber}
+                              onChange={(e) => onDriverFormChange("vehicleNumber", e.target.value)}
+                              placeholder="12가1234"
+                            />
+                          </div>
+                          <div className="space-y-2">
+                            <Label htmlFor="vehicleType">차종</Label>
+                            <Input
+                              id="vehicleType"
+                              value={driverFormData.vehicleType}
+                              onChange={(e) => onDriverFormChange("vehicleType", e.target.value)}
+                              placeholder="1톤 카고"
+                            />
+                          </div>
+                        </div>
+                      ) : (
+                        /* 차량이 없는 경우: 안내 메시지 */
+                        <div className="text-center py-4 text-muted-foreground border rounded-md bg-muted/30">
+                          <Car className="h-8 w-8 mx-auto mb-2 opacity-30" />
+                          <p className="text-sm">등록된 차량이 없습니다.</p>
+                          <p className="text-xs mt-1">새 차량 등록 버튼을 눌러 차량을 등록하세요.</p>
+                        </div>
+                      )}
+
+                      {/* 운전자 개인 정보 - 항상 수정 가능 */}
+                      <div className="grid grid-cols-2 gap-4">
+                        <div className="space-y-2">
+                          <Label htmlFor="driverPhone">연락처</Label>
+                          <Input
+                            id="driverPhone"
+                            value={driverFormData.phoneNumber}
+                            onChange={(e) => onDriverFormChange("phoneNumber", e.target.value)}
+                            placeholder="010-1234-5678"
+                          />
+                        </div>
+                        <div className="space-y-2">
+                          <Label htmlFor="licenseNumber">면허번호</Label>
+                          <Input
+                            id="licenseNumber"
+                            value={driverFormData.licenseNumber}
+                            onChange={(e) => onDriverFormChange("licenseNumber", e.target.value)}
+                            placeholder="12-34-567890-12"
+                          />
+                        </div>
+                      </div>
+
+                      <div className="space-y-2">
+                        <Label htmlFor="branchName">소속 지점</Label>
+                        <Input
+                          id="branchName"
+                          value={driverFormData.branchName}
+                          onChange={(e) => onDriverFormChange("branchName", e.target.value)}
+                          placeholder="서울 본점"
+                        />
+                      </div>
+
+                      {/* 차량 상태 - 차량이 있을 때만 표시 */}
+                      {hasVehicle && driverInfo && onDriverStatusChange && (
+                        <div className="space-y-2">
+                          <Label>현재 차량 상태</Label>
+                          <div className="flex items-center gap-4">
+                            <span className="text-sm font-medium px-3 py-1 rounded-full bg-muted">
+                              {getStatusLabel(driverInfo.vehicleStatus)}
+                            </span>
+                            <div className="flex gap-2">
+                              <Button
+                                type="button"
+                                variant="outline"
+                                size="sm"
+                                onClick={() => onDriverStatusChange("off")}
+                                disabled={driverInfo.vehicleStatus === "off"}
+                                className="flex items-center gap-1"
+                              >
+                                <Clock className="h-3 w-3" />
+                                대기
+                              </Button>
+                              <Button
+                                type="button"
+                                variant="outline"
+                                size="sm"
+                                onClick={() => onDriverStatusChange("maintenance")}
+                                disabled={driverInfo.vehicleStatus === "maintenance"}
+                                className="flex items-center gap-1"
+                              >
+                                <Wrench className="h-3 w-3" />
+                                정비
+                              </Button>
+                            </div>
+                          </div>
+                          <p className="text-xs text-muted-foreground">
+                            * 운행/공차 상태는 공차등록 화면에서 변경하세요
+                          </p>
+                        </div>
+                      )}
+                    </>
+                  )}
+                </div>
+              </>
+            )}
           </div>
 
           <ResizableDialogFooter>
@@ -255,6 +468,50 @@ export function ProfileModal({
         message={alertModal.message}
         type={alertModal.type}
       />
+
+      {/* 새 차량 등록 모달 */}
+      {isVehicleRegisterModalOpen && newVehicleData && onNewVehicleDataChange && onRegisterVehicle && onCloseVehicleRegisterModal && (
+        <ResizableDialog open={isVehicleRegisterModalOpen} onOpenChange={onCloseVehicleRegisterModal}>
+          <ResizableDialogContent className="sm:max-w-[400px]">
+            <ResizableDialogHeader>
+              <ResizableDialogTitle>새 차량 등록</ResizableDialogTitle>
+              <ResizableDialogDescription>
+                새로운 차량 정보를 입력해주세요.
+              </ResizableDialogDescription>
+            </ResizableDialogHeader>
+
+            <div className="grid gap-4 py-4">
+              <div className="space-y-2">
+                <Label htmlFor="newVehicleNumber">차량번호 *</Label>
+                <Input
+                  id="newVehicleNumber"
+                  value={newVehicleData.vehicleNumber}
+                  onChange={(e) => onNewVehicleDataChange("vehicleNumber", e.target.value)}
+                  placeholder="12가1234"
+                />
+              </div>
+              <div className="space-y-2">
+                <Label htmlFor="newVehicleType">차종</Label>
+                <Input
+                  id="newVehicleType"
+                  value={newVehicleData.vehicleType || ""}
+                  onChange={(e) => onNewVehicleDataChange("vehicleType", e.target.value)}
+                  placeholder="1톤 카고"
+                />
+              </div>
+            </div>
+
+            <ResizableDialogFooter>
+              <Button type="button" variant="outline" onClick={onCloseVehicleRegisterModal}>
+                취소
+              </Button>
+              <Button type="button" onClick={onRegisterVehicle}>
+                등록
+              </Button>
+            </ResizableDialogFooter>
+          </ResizableDialogContent>
+        </ResizableDialog>
+      )}
     </>
   );
 }
diff --git a/frontend/components/screen-embedding/EmbeddedScreen.tsx b/frontend/components/screen-embedding/EmbeddedScreen.tsx
index ce7030eb..3880fc54 100644
--- a/frontend/components/screen-embedding/EmbeddedScreen.tsx
+++ b/frontend/components/screen-embedding/EmbeddedScreen.tsx
@@ -91,6 +91,21 @@ export const EmbeddedScreen = forwardRef<EmbeddedScreenHandle, EmbeddedScreenPro
       }
     }, [initialFormData]);
 
+    // 🆕 분할 패널에서 좌측 선택 데이터가 변경되면 우측 화면의 formData에 자동 반영
+    useEffect(() => {
+      // 우측 화면인 경우에만 적용
+      if (position !== "right" || !splitPanelContext) return;
+      
+      const mappedData = splitPanelContext.getMappedParentData();
+      if (Object.keys(mappedData).length > 0) {
+        console.log("🔗 [EmbeddedScreen] 분할 패널 부모 데이터 자동 반영:", mappedData);
+        setFormData((prev) => ({
+          ...prev,
+          ...mappedData,
+        }));
+      }
+    }, [position, splitPanelContext, splitPanelContext?.selectedLeftData]);
+
     // 선택 변경 이벤트 전파
     useEffect(() => {
       onSelectionChanged?.(selectedRows);
diff --git a/frontend/components/screen-embedding/ScreenSplitPanel.tsx b/frontend/components/screen-embedding/ScreenSplitPanel.tsx
index 2e43fcc6..60b6bf24 100644
--- a/frontend/components/screen-embedding/ScreenSplitPanel.tsx
+++ b/frontend/components/screen-embedding/ScreenSplitPanel.tsx
@@ -33,6 +33,7 @@ export function ScreenSplitPanel({ screenId, config, initialFormData }: ScreenSp
     leftScreenId: config?.leftScreenId,
     rightScreenId: config?.rightScreenId,
     configSplitRatio,
+    parentDataMapping: config?.parentDataMapping,
     configKeys: config ? Object.keys(config) : [],
   });
   
@@ -125,6 +126,8 @@ export function ScreenSplitPanel({ screenId, config, initialFormData }: ScreenSp
       splitPanelId={splitPanelId}
       leftScreenId={config?.leftScreenId || null}
       rightScreenId={config?.rightScreenId || null}
+      parentDataMapping={config?.parentDataMapping || []}
+      linkedFilters={config?.linkedFilters || []}
     >
       <div className="flex h-full">
         {/* 좌측 패널 */}
diff --git a/frontend/components/screen/InteractiveDataTable.tsx b/frontend/components/screen/InteractiveDataTable.tsx
index 1119e698..88d11447 100644
--- a/frontend/components/screen/InteractiveDataTable.tsx
+++ b/frontend/components/screen/InteractiveDataTable.tsx
@@ -54,6 +54,7 @@ import { SaveModal } from "./SaveModal";
 import { useScreenPreview } from "@/contexts/ScreenPreviewContext";
 import { useTableOptions } from "@/contexts/TableOptionsContext";
 import { TableFilter, ColumnVisibility } from "@/types/table-options";
+import { useSplitPanelContext } from "@/contexts/SplitPanelContext";
 
 // 파일 데이터 타입 정의 (AttachedFileInfo와 호환)
 interface FileInfo {
@@ -105,6 +106,7 @@ export const InteractiveDataTable: React.FC<InteractiveDataTableProps> = ({
   const { isPreviewMode } = useScreenPreview(); // 프리뷰 모드 확인
   const { user } = useAuth(); // 사용자 정보 가져오기
   const { registerTable, unregisterTable } = useTableOptions(); // Context 훅
+  const splitPanelContext = useSplitPanelContext(); // 분할 패널 컨텍스트
   
   const [data, setData] = useState<Record<string, any>[]>([]);
   const [loading, setLoading] = useState(false);
@@ -575,12 +577,72 @@ export const InteractiveDataTable: React.FC<InteractiveDataTableProps> = ({
 
       setLoading(true);
       try {
-        console.log("🔍 데이터 조회 시작:", { tableName: component.tableName, page, pageSize });
+        // 🆕 연결 필터 값 가져오기 (분할 패널 내부일 때)
+        let linkedFilterValues: Record<string, any> = {};
+        let hasLinkedFiltersConfigured = false; // 연결 필터가 설정되어 있는지 여부
+        let hasSelectedLeftData = false; // 좌측에서 데이터가 선택되었는지 여부
+        
+        if (splitPanelContext) {
+          // 연결 필터 설정 여부 확인 (현재 테이블에 해당하는 필터가 있는지)
+          const linkedFiltersConfig = splitPanelContext.linkedFilters || [];
+          hasLinkedFiltersConfigured = linkedFiltersConfig.some(
+            (filter) => filter.targetColumn?.startsWith(component.tableName + ".") ||
+                        filter.targetColumn === component.tableName
+          );
+          
+          // 좌측 데이터 선택 여부 확인
+          hasSelectedLeftData = splitPanelContext.selectedLeftData && 
+                                Object.keys(splitPanelContext.selectedLeftData).length > 0;
+          
+          linkedFilterValues = splitPanelContext.getLinkedFilterValues();
+          // 현재 테이블에 해당하는 필터만 추출 (테이블명.컬럼명 형식에서)
+          const tableSpecificFilters: Record<string, any> = {};
+          for (const [key, value] of Object.entries(linkedFilterValues)) {
+            // key가 "테이블명.컬럼명" 형식인 경우
+            if (key.includes(".")) {
+              const [tableName, columnName] = key.split(".");
+              if (tableName === component.tableName) {
+                tableSpecificFilters[columnName] = value;
+                hasLinkedFiltersConfigured = true; // 이 테이블에 대한 필터가 있음
+              }
+            } else {
+              // 테이블명 없이 컬럼명만 있는 경우 그대로 사용
+              tableSpecificFilters[key] = value;
+            }
+          }
+          linkedFilterValues = tableSpecificFilters;
+        }
+        
+        // 🆕 연결 필터가 설정되어 있지만 좌측에서 데이터가 선택되지 않은 경우
+        // → 빈 데이터 표시 (모든 데이터를 보여주지 않음)
+        if (hasLinkedFiltersConfigured && !hasSelectedLeftData) {
+          console.log("⚠️ [InteractiveDataTable] 연결 필터 설정됨 but 좌측 데이터 미선택 → 빈 데이터 표시");
+          setData([]);
+          setTotal(0);
+          setTotalPages(0);
+          setCurrentPage(1);
+          setLoading(false);
+          return;
+        }
+        
+        // 검색 파라미터와 연결 필터 병합
+        const mergedSearchParams = {
+          ...searchParams,
+          ...linkedFilterValues,
+        };
+        
+        console.log("🔍 데이터 조회 시작:", { 
+          tableName: component.tableName, 
+          page, 
+          pageSize,
+          linkedFilterValues,
+          mergedSearchParams,
+        });
         
         const result = await tableTypeApi.getTableData(component.tableName, {
           page,
           size: pageSize,
-          search: searchParams,
+          search: mergedSearchParams,
           autoFilter: component.autoFilter, // 🆕 자동 필터 설정 전달
         });
 
@@ -680,7 +742,7 @@ export const InteractiveDataTable: React.FC<InteractiveDataTableProps> = ({
         setLoading(false);
       }
     },
-    [component.tableName, pageSize, component.autoFilter], // 🆕 autoFilter 추가
+    [component.tableName, pageSize, component.autoFilter, splitPanelContext?.selectedLeftData], // 🆕 autoFilter, 연결필터 추가
   );
 
   // 현재 사용자 정보 로드
diff --git a/frontend/components/screen/InteractiveScreenViewerDynamic.tsx b/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
index c9535285..3c9d16f5 100644
--- a/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
+++ b/frontend/components/screen/InteractiveScreenViewerDynamic.tsx
@@ -19,6 +19,7 @@ import { FlowButtonGroup } from "./widgets/FlowButtonGroup";
 import { FlowVisibilityConfig } from "@/types/control-management";
 import { findAllButtonGroups } from "@/lib/utils/flowButtonGroupUtils";
 import { useScreenPreview } from "@/contexts/ScreenPreviewContext";
+import { useSplitPanelContext } from "@/contexts/SplitPanelContext";
 
 // 컴포넌트 렌더러들을 강제로 로드하여 레지스트리에 등록
 import "@/lib/registry/components/ButtonRenderer";
@@ -78,6 +79,7 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
 }) => {
   const { isPreviewMode } = useScreenPreview(); // 프리뷰 모드 확인
   const { userName: authUserName, user: authUser } = useAuth();
+  const splitPanelContext = useSplitPanelContext(); // 분할 패널 컨텍스트
 
   // 외부에서 전달받은 사용자 정보가 있으면 우선 사용 (ScreenModal 등에서)
   const userName = externalUserName || authUserName;
@@ -116,8 +118,30 @@ export const InteractiveScreenViewerDynamic: React.FC<InteractiveScreenViewerPro
   // 팝업 전용 formData 상태
   const [popupFormData, setPopupFormData] = useState<Record<string, any>>({});
 
-  // formData 결정 (외부에서 전달받은 것이 있으면 우선 사용)
-  const formData = externalFormData || localFormData;
+  // 🆕 분할 패널에서 매핑된 부모 데이터 가져오기
+  const splitPanelMappedData = React.useMemo(() => {
+    if (splitPanelContext) {
+      return splitPanelContext.getMappedParentData();
+    }
+    return {};
+  }, [splitPanelContext, splitPanelContext?.selectedLeftData]);
+
+  // formData 결정 (외부에서 전달받은 것이 있으면 우선 사용, 분할 패널 데이터도 병합)
+  const formData = React.useMemo(() => {
+    const baseData = externalFormData || localFormData;
+    // 분할 패널 매핑 데이터가 있으면 병합 (기존 값이 없는 경우에만)
+    if (Object.keys(splitPanelMappedData).length > 0) {
+      const merged = { ...baseData };
+      for (const [key, value] of Object.entries(splitPanelMappedData)) {
+        // 기존 값이 없거나 빈 값인 경우에만 매핑 데이터 적용
+        if (merged[key] === undefined || merged[key] === null || merged[key] === "") {
+          merged[key] = value;
+        }
+      }
+      return merged;
+    }
+    return baseData;
+  }, [externalFormData, localFormData, splitPanelMappedData]);
 
   // formData 업데이트 함수
   const updateFormData = useCallback(
diff --git a/frontend/components/screen/ScreenDesigner.tsx b/frontend/components/screen/ScreenDesigner.tsx
index 3a97ac12..2118bca3 100644
--- a/frontend/components/screen/ScreenDesigner.tsx
+++ b/frontend/components/screen/ScreenDesigner.tsx
@@ -846,13 +846,20 @@ export default function ScreenDesigner({ selectedScreen, onBackToList }: ScreenD
         restApiConnectionId: selectedScreen?.restApiConnectionId,
         restApiEndpoint: selectedScreen?.restApiEndpoint,
         restApiJsonPath: selectedScreen?.restApiJsonPath,
+        // 전체 selectedScreen 객체도 출력
+        fullScreen: selectedScreen,
       });
       
       // REST API 데이터 소스인 경우
-      // tableName이 restapi_로 시작하면 REST API로 간주
+      // 1. dataSourceType이 "restapi"인 경우
+      // 2. tableName이 restapi_ 또는 _restapi_로 시작하는 경우
+      // 3. restApiConnectionId가 있는 경우
       const isRestApi = selectedScreen?.dataSourceType === "restapi" || 
                         selectedScreen?.tableName?.startsWith("restapi_") ||
-                        selectedScreen?.tableName?.startsWith("_restapi_");
+                        selectedScreen?.tableName?.startsWith("_restapi_") ||
+                        !!selectedScreen?.restApiConnectionId;
+      
+      console.log("🔍 [ScreenDesigner] REST API 여부:", { isRestApi });
       
       if (isRestApi && (selectedScreen?.restApiConnectionId || selectedScreen?.tableName)) {
         try {
@@ -1258,7 +1265,7 @@ export default function ScreenDesigner({ selectedScreen, onBackToList }: ScreenD
     [layout, screenResolution, saveToHistory],
   );
 
-  // 해상도 변경 핸들러 (자동 스케일링 포함)
+  // 해상도 변경 핸들러 (컴포넌트 크기/위치 유지)
   const handleResolutionChange = useCallback(
     (newResolution: ScreenResolution) => {
       const oldWidth = screenResolution.width;
@@ -1266,122 +1273,28 @@ export default function ScreenDesigner({ selectedScreen, onBackToList }: ScreenD
       const newWidth = newResolution.width;
       const newHeight = newResolution.height;
 
-      console.log("📱 해상도 변경 시작:", {
+      console.log("📱 해상도 변경:", {
         from: `${oldWidth}x${oldHeight}`,
         to: `${newWidth}x${newHeight}`,
-        hasComponents: layout.components.length > 0,
-        snapToGrid: layout.gridSettings?.snapToGrid || false,
+        componentsCount: layout.components.length,
       });
 
       setScreenResolution(newResolution);
 
-      // 컴포넌트가 없으면 해상도만 변경
-      if (layout.components.length === 0) {
-        const updatedLayout = {
-          ...layout,
-          screenResolution: newResolution,
-        };
-        setLayout(updatedLayout);
-        saveToHistory(updatedLayout);
-        console.log("✅ 해상도 변경 완료 (컴포넌트 없음)");
-        return;
-      }
-
-      // 비율 계산
-      const scaleX = newWidth / oldWidth;
-      const scaleY = newHeight / oldHeight;
-
-      console.log("📐 스케일링 비율:", {
-        scaleX: `${(scaleX * 100).toFixed(2)}%`,
-        scaleY: `${(scaleY * 100).toFixed(2)}%`,
-      });
-
-      // 컴포넌트 재귀적으로 스케일링하는 함수
-      const scaleComponent = (comp: ComponentData): ComponentData => {
-        // 위치 스케일링
-        const scaledPosition = {
-          x: comp.position.x * scaleX,
-          y: comp.position.y * scaleY,
-          z: comp.position.z || 1,
-        };
-
-        // 크기 스케일링
-        const scaledSize = {
-          width: comp.size.width * scaleX,
-          height: comp.size.height * scaleY,
-        };
-
-        return {
-          ...comp,
-          position: scaledPosition,
-          size: scaledSize,
-        };
-      };
-
-      // 모든 컴포넌트 스케일링 (그룹의 자식도 자동으로 스케일링됨)
-      const scaledComponents = layout.components.map(scaleComponent);
-
-      console.log("🔄 컴포넌트 스케일링 완료:", {
-        totalComponents: scaledComponents.length,
-        groupComponents: scaledComponents.filter((c) => c.type === "group").length,
-        note: "그룹의 자식 컴포넌트도 모두 스케일링됨",
-      });
-
-      // 격자 스냅이 활성화된 경우 격자에 맞춰 재조정
-      let finalComponents = scaledComponents;
-      if (layout.gridSettings?.snapToGrid) {
-        const newGridInfo = calculateGridInfo(newWidth, newHeight, {
-          columns: layout.gridSettings.columns,
-          gap: layout.gridSettings.gap,
-          padding: layout.gridSettings.padding,
-          snapToGrid: layout.gridSettings.snapToGrid || false,
-        });
-
-        const gridUtilSettings = {
-          columns: layout.gridSettings.columns,
-          gap: layout.gridSettings.gap,
-          padding: layout.gridSettings.padding,
-          snapToGrid: true,
-        };
-
-        finalComponents = scaledComponents.map((comp) => {
-          const snappedPosition = snapToGrid(comp.position, newGridInfo, gridUtilSettings);
-          const snappedSize = snapSizeToGrid(comp.size, newGridInfo, gridUtilSettings);
-
-          // gridColumns 재계산
-          const adjustedGridColumns = adjustGridColumnsFromSize({ size: snappedSize }, newGridInfo, gridUtilSettings);
-
-          return {
-            ...comp,
-            position: snappedPosition,
-            size: snappedSize,
-            gridColumns: adjustedGridColumns,
-          };
-        });
-
-        console.log("🧲 격자 스냅 적용 완료");
-      }
-
+      // 해상도만 변경하고 컴포넌트 크기/위치는 그대로 유지
       const updatedLayout = {
         ...layout,
-        components: finalComponents,
         screenResolution: newResolution,
       };
 
       setLayout(updatedLayout);
       saveToHistory(updatedLayout);
 
-      toast.success(`해상도 변경 완료! ${scaledComponents.length}개 컴포넌트가 자동으로 조정되었습니다.`, {
+      toast.success(`해상도가 변경되었습니다.`, {
         description: `${oldWidth}×${oldHeight} → ${newWidth}×${newHeight}`,
       });
 
-      console.log("✅ 해상도 변경 완료:", {
-        newResolution: `${newWidth}x${newHeight}`,
-        scaledComponents: finalComponents.length,
-        scaleX: `${(scaleX * 100).toFixed(2)}%`,
-        scaleY: `${(scaleY * 100).toFixed(2)}%`,
-        note: "모든 컴포넌트가 비율에 맞게 자동 조정됨",
-      });
+      console.log("✅ 해상도 변경 완료 (컴포넌트 크기/위치 유지)");
     },
     [layout, saveToHistory, screenResolution],
   );
diff --git a/frontend/components/screen/ScreenList.tsx b/frontend/components/screen/ScreenList.tsx
index f56ecb51..916fe60e 100644
--- a/frontend/components/screen/ScreenList.tsx
+++ b/frontend/components/screen/ScreenList.tsx
@@ -120,11 +120,17 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
   const [permanentDeleteDialogOpen, setPermanentDeleteDialogOpen] = useState(false);
   const [screenToPermanentDelete, setScreenToPermanentDelete] = useState<DeletedScreenDefinition | null>(null);
 
-  // 일괄삭제 관련 상태
+  // 휴지통 일괄삭제 관련 상태
   const [selectedScreenIds, setSelectedScreenIds] = useState<number[]>([]);
   const [bulkDeleteDialogOpen, setBulkDeleteDialogOpen] = useState(false);
   const [bulkDeleting, setBulkDeleting] = useState(false);
 
+  // 활성 화면 일괄삭제 관련 상태
+  const [selectedActiveScreenIds, setSelectedActiveScreenIds] = useState<number[]>([]);
+  const [activeBulkDeleteDialogOpen, setActiveBulkDeleteDialogOpen] = useState(false);
+  const [activeBulkDeleteReason, setActiveBulkDeleteReason] = useState("");
+  const [activeBulkDeleting, setActiveBulkDeleting] = useState(false);
+
   // 편집 관련 상태
   const [editDialogOpen, setEditDialogOpen] = useState(false);
   const [screenToEdit, setScreenToEdit] = useState<ScreenDefinition | null>(null);
@@ -479,7 +485,7 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
     }
   };
 
-  // 체크박스 선택 처리
+  // 휴지통 체크박스 선택 처리
   const handleScreenCheck = (screenId: number, checked: boolean) => {
     if (checked) {
       setSelectedScreenIds((prev) => [...prev, screenId]);
@@ -488,7 +494,7 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
     }
   };
 
-  // 전체 선택/해제
+  // 휴지통 전체 선택/해제
   const handleSelectAll = (checked: boolean) => {
     if (checked) {
       setSelectedScreenIds(deletedScreens.map((screen) => screen.screenId));
@@ -497,7 +503,7 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
     }
   };
 
-  // 일괄삭제 실행
+  // 휴지통 일괄삭제 실행
   const handleBulkDelete = () => {
     if (selectedScreenIds.length === 0) {
       alert("삭제할 화면을 선택해주세요.");
@@ -506,6 +512,70 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
     setBulkDeleteDialogOpen(true);
   };
 
+  // 활성 화면 체크박스 선택 처리
+  const handleActiveScreenCheck = (screenId: number, checked: boolean) => {
+    if (checked) {
+      setSelectedActiveScreenIds((prev) => [...prev, screenId]);
+    } else {
+      setSelectedActiveScreenIds((prev) => prev.filter((id) => id !== screenId));
+    }
+  };
+
+  // 활성 화면 전체 선택/해제
+  const handleActiveSelectAll = (checked: boolean) => {
+    if (checked) {
+      setSelectedActiveScreenIds(screens.map((screen) => screen.screenId));
+    } else {
+      setSelectedActiveScreenIds([]);
+    }
+  };
+
+  // 활성 화면 일괄삭제 실행
+  const handleActiveBulkDelete = () => {
+    if (selectedActiveScreenIds.length === 0) {
+      alert("삭제할 화면을 선택해주세요.");
+      return;
+    }
+    setActiveBulkDeleteDialogOpen(true);
+  };
+
+  // 활성 화면 일괄삭제 확인
+  const confirmActiveBulkDelete = async () => {
+    if (selectedActiveScreenIds.length === 0) return;
+
+    try {
+      setActiveBulkDeleting(true);
+      const result = await screenApi.bulkDeleteScreens(
+        selectedActiveScreenIds,
+        activeBulkDeleteReason || undefined,
+        true // 강제 삭제 (의존성 무시)
+      );
+
+      // 삭제된 화면들을 목록에서 제거
+      setScreens((prev) => prev.filter((screen) => !selectedActiveScreenIds.includes(screen.screenId)));
+
+      setSelectedActiveScreenIds([]);
+      setActiveBulkDeleteDialogOpen(false);
+      setActiveBulkDeleteReason("");
+
+      // 결과 메시지 표시
+      let message = `${result.deletedCount}개 화면이 휴지통으로 이동되었습니다.`;
+      if (result.skippedCount > 0) {
+        message += `\n${result.skippedCount}개 화면은 삭제되지 않았습니다.`;
+      }
+      if (result.errors.length > 0) {
+        message += `\n오류 발생: ${result.errors.map((e) => `화면 ${e.screenId}: ${e.error}`).join(", ")}`;
+      }
+
+      alert(message);
+    } catch (error) {
+      console.error("일괄 삭제 실패:", error);
+      alert("일괄 삭제에 실패했습니다.");
+    } finally {
+      setActiveBulkDeleting(false);
+    }
+  };
+
   const confirmBulkDelete = async () => {
     if (selectedScreenIds.length === 0) return;
 
@@ -633,7 +703,12 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
       </div>
 
       {/* 탭 구조 */}
-      <Tabs value={activeTab} onValueChange={setActiveTab}>
+      <Tabs value={activeTab} onValueChange={(value) => {
+        setActiveTab(value);
+        // 탭 전환 시 선택 상태 초기화
+        setSelectedActiveScreenIds([]);
+        setSelectedScreenIds([]);
+      }}>
         <TabsList className="grid w-full grid-cols-2">
           <TabsTrigger value="active">활성 화면</TabsTrigger>
           <TabsTrigger value="trash">휴지통</TabsTrigger>
@@ -641,11 +716,47 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
 
         {/* 활성 화면 탭 */}
         <TabsContent value="active">
+          {/* 선택 삭제 헤더 (선택된 항목이 있을 때만 표시) */}
+          {selectedActiveScreenIds.length > 0 && (
+            <div className="bg-muted/50 mb-4 flex items-center justify-between rounded-lg border p-3">
+              <span className="text-sm font-medium">
+                {selectedActiveScreenIds.length}개 화면 선택됨
+              </span>
+              <div className="flex items-center gap-2">
+                <Button
+                  variant="outline"
+                  size="sm"
+                  onClick={() => setSelectedActiveScreenIds([])}
+                  className="h-8 text-xs"
+                >
+                  선택 해제
+                </Button>
+                <Button
+                  variant="destructive"
+                  size="sm"
+                  onClick={handleActiveBulkDelete}
+                  disabled={activeBulkDeleting}
+                  className="h-8 gap-1 text-xs"
+                >
+                  <Trash2 className="h-3.5 w-3.5" />
+                  {activeBulkDeleting ? "삭제 중..." : "선택 삭제"}
+                </Button>
+              </div>
+            </div>
+          )}
+
           {/* 데스크톱 테이블 뷰 (lg 이상) */}
           <div className="bg-card hidden shadow-sm lg:block">
             <Table>
               <TableHeader>
                 <TableRow>
+                  <TableHead className="h-12 w-12 px-4 py-3">
+                    <Checkbox
+                      checked={screens.length > 0 && selectedActiveScreenIds.length === screens.length}
+                      onCheckedChange={handleActiveSelectAll}
+                      aria-label="전체 선택"
+                    />
+                  </TableHead>
                   <TableHead className="h-12 px-6 py-3 text-sm font-semibold">화면명</TableHead>
                   <TableHead className="h-12 px-6 py-3 text-sm font-semibold">테이블명</TableHead>
                   <TableHead className="h-12 px-6 py-3 text-sm font-semibold">상태</TableHead>
@@ -659,9 +770,17 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
                     key={screen.screenId}
                     className={`bg-background hover:bg-muted/50 cursor-pointer border-b transition-colors ${
                       selectedScreen?.screenId === screen.screenId ? "border-primary/20 bg-accent" : ""
-                    }`}
+                    } ${selectedActiveScreenIds.includes(screen.screenId) ? "bg-muted/30" : ""}`}
                     onClick={() => onDesignScreen(screen)}
                   >
+                    <TableCell className="h-16 px-4 py-3">
+                      <Checkbox
+                        checked={selectedActiveScreenIds.includes(screen.screenId)}
+                        onCheckedChange={(checked) => handleActiveScreenCheck(screen.screenId, checked as boolean)}
+                        onClick={(e) => e.stopPropagation()}
+                        aria-label={`${screen.screenName} 선택`}
+                      />
+                    </TableCell>
                     <TableCell className="h-16 px-6 py-3 cursor-pointer">
                       <div>
                         <div className="font-medium">{screen.screenName}</div>
@@ -757,24 +876,57 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
           </div>
 
           {/* 모바일/태블릿 카드 뷰 (lg 미만) */}
-          <div className="grid gap-4 sm:grid-cols-2 lg:hidden">
-            {screens.map((screen) => (
-              <div
-                key={screen.screenId}
-                className={`bg-card hover:bg-muted/50 cursor-pointer rounded-lg border p-4 shadow-sm transition-colors ${
-                  selectedScreen?.screenId === screen.screenId ? "border-primary bg-accent" : ""
-                }`}
-                onClick={() => handleScreenSelect(screen)}
-              >
-                {/* 헤더 */}
-                <div className="mb-4 flex items-start justify-between">
-                  <div className="flex-1">
-                    <h3 className="text-base font-semibold">{screen.screenName}</h3>
+          <div className="space-y-4 lg:hidden">
+            {/* 선택 헤더 */}
+            <div className="bg-card flex items-center justify-between rounded-lg border p-4 shadow-sm">
+              <div className="flex items-center gap-3">
+                <Checkbox
+                  checked={screens.length > 0 && selectedActiveScreenIds.length === screens.length}
+                  onCheckedChange={handleActiveSelectAll}
+                  aria-label="전체 선택"
+                />
+                <span className="text-sm text-muted-foreground">전체 선택</span>
+              </div>
+              {selectedActiveScreenIds.length > 0 && (
+                <Button
+                  variant="destructive"
+                  size="sm"
+                  onClick={handleActiveBulkDelete}
+                  disabled={activeBulkDeleting}
+                  className="h-9 gap-2 text-sm"
+                >
+                  <Trash2 className="h-4 w-4" />
+                  {activeBulkDeleting ? "삭제 중..." : `${selectedActiveScreenIds.length}개 삭제`}
+                </Button>
+              )}
+            </div>
+
+            {/* 카드 목록 */}
+            <div className="grid gap-4 sm:grid-cols-2">
+              {screens.map((screen) => (
+                <div
+                  key={screen.screenId}
+                  className={`bg-card hover:bg-muted/50 cursor-pointer rounded-lg border p-4 shadow-sm transition-colors ${
+                    selectedScreen?.screenId === screen.screenId ? "border-primary bg-accent" : ""
+                  } ${selectedActiveScreenIds.includes(screen.screenId) ? "bg-muted/30 border-primary/50" : ""}`}
+                  onClick={() => handleScreenSelect(screen)}
+                >
+                  {/* 헤더 */}
+                  <div className="mb-4 flex items-start gap-3">
+                    <Checkbox
+                      checked={selectedActiveScreenIds.includes(screen.screenId)}
+                      onCheckedChange={(checked) => handleActiveScreenCheck(screen.screenId, checked as boolean)}
+                      onClick={(e) => e.stopPropagation()}
+                      className="mt-1"
+                      aria-label={`${screen.screenName} 선택`}
+                    />
+                    <div className="flex-1">
+                      <h3 className="text-base font-semibold">{screen.screenName}</h3>
+                    </div>
+                    <Badge variant={screen.isActive === "Y" ? "default" : "secondary"}>
+                      {screen.isActive === "Y" ? "활성" : "비활성"}
+                    </Badge>
                   </div>
-                  <Badge variant={screen.isActive === "Y" ? "default" : "secondary"}>
-                    {screen.isActive === "Y" ? "활성" : "비활성"}
-                  </Badge>
-                </div>
 
                 {/* 설명 */}
                 {screen.description && <p className="text-muted-foreground mb-4 text-sm">{screen.description}</p>}
@@ -863,11 +1015,12 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
               </div>
             ))}
 
-            {filteredScreens.length === 0 && (
-              <div className="bg-card col-span-2 flex h-64 flex-col items-center justify-center rounded-lg border shadow-sm">
-                <p className="text-muted-foreground text-sm">검색 결과가 없습니다.</p>
-              </div>
-            )}
+              {filteredScreens.length === 0 && (
+                <div className="bg-card col-span-2 flex h-64 flex-col items-center justify-center rounded-lg border shadow-sm">
+                  <p className="text-muted-foreground text-sm">검색 결과가 없습니다.</p>
+                </div>
+              )}
+            </div>
           </div>
         </TabsContent>
 
@@ -1225,13 +1378,13 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
         </AlertDialogContent>
       </AlertDialog>
 
-      {/* 일괄삭제 확인 다이얼로그 */}
+      {/* 휴지통 일괄삭제 확인 다이얼로그 */}
       <AlertDialog open={bulkDeleteDialogOpen} onOpenChange={setBulkDeleteDialogOpen}>
         <AlertDialogContent>
           <AlertDialogHeader>
             <AlertDialogTitle>일괄 영구 삭제 확인</AlertDialogTitle>
             <AlertDialogDescription className="text-destructive">
-              ⚠️ 선택된 {selectedScreenIds.length}개 화면을 영구적으로 삭제하시겠습니까?
+              선택된 {selectedScreenIds.length}개 화면을 영구적으로 삭제하시겠습니까?
               <br />
               <strong>이 작업은 되돌릴 수 없습니다!</strong>
               <br />
@@ -1254,6 +1407,44 @@ export default function ScreenList({ onScreenSelect, selectedScreen, onDesignScr
         </AlertDialogContent>
       </AlertDialog>
 
+      {/* 활성 화면 일괄삭제 확인 다이얼로그 */}
+      <AlertDialog open={activeBulkDeleteDialogOpen} onOpenChange={setActiveBulkDeleteDialogOpen}>
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>선택 화면 삭제 확인</AlertDialogTitle>
+            <AlertDialogDescription>
+              선택된 {selectedActiveScreenIds.length}개 화면을 휴지통으로 이동하시겠습니까?
+              <br />
+              휴지통에서 언제든지 복원할 수 있습니다.
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <div className="space-y-2">
+            <Label htmlFor="activeBulkDeleteReason">삭제 사유 (선택사항)</Label>
+            <Textarea
+              id="activeBulkDeleteReason"
+              placeholder="삭제 사유를 입력하세요..."
+              value={activeBulkDeleteReason}
+              onChange={(e) => setActiveBulkDeleteReason(e.target.value)}
+              rows={3}
+            />
+          </div>
+          <AlertDialogFooter>
+            <AlertDialogCancel
+              onClick={() => {
+                setActiveBulkDeleteDialogOpen(false);
+                setActiveBulkDeleteReason("");
+              }}
+              disabled={activeBulkDeleting}
+            >
+              취소
+            </AlertDialogCancel>
+            <AlertDialogAction onClick={confirmActiveBulkDelete} variant="destructive" disabled={activeBulkDeleting}>
+              {activeBulkDeleting ? "삭제 중..." : `${selectedActiveScreenIds.length}개 휴지통으로 이동`}
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
+
       {/* 화면 편집 다이얼로그 */}
       <Dialog open={editDialogOpen} onOpenChange={setEditDialogOpen}>
         <DialogContent className="sm:max-w-[500px]">
diff --git a/frontend/components/screen/widgets/TabsWidget.tsx b/frontend/components/screen/widgets/TabsWidget.tsx
index 73b53783..200e2db3 100644
--- a/frontend/components/screen/widgets/TabsWidget.tsx
+++ b/frontend/components/screen/widgets/TabsWidget.tsx
@@ -1,11 +1,12 @@
 "use client";
 
-import React, { useState, useEffect } from "react";
+import React, { useState, useEffect, useMemo } from "react";
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { Button } from "@/components/ui/button";
 import { X, Loader2 } from "lucide-react";
 import type { TabsComponent, TabItem } from "@/types/screen-management";
 import { InteractiveScreenViewerDynamic } from "@/components/screen/InteractiveScreenViewerDynamic";
+import { cn } from "@/lib/utils";
 
 interface TabsWidgetProps {
   component: TabsComponent;
@@ -48,6 +49,8 @@ export function TabsWidget({ component, className, style, menuObjid }: TabsWidge
   const [visibleTabs, setVisibleTabs] = useState<TabItem[]>(tabs);
   const [loadingScreens, setLoadingScreens] = useState<Record<string, boolean>>({});
   const [screenLayouts, setScreenLayouts] = useState<Record<number, any>>({});
+  // 🆕 한 번이라도 선택된 탭 추적 (지연 로딩 + 캐싱)
+  const [mountedTabs, setMountedTabs] = useState<Set<string>>(() => new Set([getInitialTab()]));
 
   // 컴포넌트 탭 목록 변경 시 동기화
   useEffect(() => {
@@ -109,6 +112,14 @@ export function TabsWidget({ component, className, style, menuObjid }: TabsWidge
   const handleTabChange = (tabId: string) => {
     console.log("🔄 탭 변경:", tabId);
     setSelectedTab(tabId);
+    
+    // 🆕 마운트된 탭 목록에 추가 (한 번 마운트되면 유지)
+    setMountedTabs(prev => {
+      if (prev.has(tabId)) return prev;
+      const newSet = new Set(prev);
+      newSet.add(tabId);
+      return newSet;
+    });
 
     // 해당 탭의 화면 로드
     const tab = visibleTabs.find((t) => t.id === tabId);
@@ -191,72 +202,95 @@ export function TabsWidget({ component, className, style, menuObjid }: TabsWidge
           </TabsList>
         </div>
 
+        {/* 🆕 forceMount + CSS 숨김으로 탭 전환 시 리렌더링 방지 */}
         <div className="relative flex-1 overflow-hidden">
-          {visibleTabs.map((tab) => (
-            <TabsContent key={tab.id} value={tab.id} className="h-full">
-              {tab.screenId ? (
-                loadingScreens[tab.screenId] ? (
-                  <div className="flex h-full w-full items-center justify-center">
-                    <Loader2 className="h-8 w-8 animate-spin text-primary" />
-                    <span className="text-muted-foreground ml-2">화면 로딩 중...</span>
-                  </div>
-                ) : screenLayouts[tab.screenId] ? (
-                  (() => {
-                    const layoutData = screenLayouts[tab.screenId];
-                    const { components = [], screenResolution } = layoutData;
-                    
-                    console.log("🎯 렌더링할 화면 데이터:", {
-                      screenId: tab.screenId,
-                      componentsCount: components.length,
-                      screenResolution,
-                    });
-
-                    const designWidth = screenResolution?.width || 1920;
-                    const designHeight = screenResolution?.height || 1080;
-
-                    return (
-                      <div 
-                        className="relative h-full w-full overflow-auto bg-background"
-                        style={{
-                          minHeight: `${designHeight}px`,
-                        }}
-                      >
-                        <div
-                          className="relative"
-                          style={{
-                            width: `${designWidth}px`,
-                            height: `${designHeight}px`,
-                            margin: "0 auto",
-                          }}
-                        >
-                          {components.map((component: any) => (
-                            <InteractiveScreenViewerDynamic
-                              key={component.id}
-                              component={component}
-                              allComponents={components}
-                              screenInfo={{
-                                id: tab.screenId,
-                                tableName: layoutData.tableName,
-                              }}
-                              menuObjid={menuObjid} // 🆕 부모의 menuObjid 전달
-                            />
-                          ))}
+          {visibleTabs.map((tab) => {
+            // 한 번도 선택되지 않은 탭은 렌더링하지 않음 (지연 로딩)
+            const shouldRender = mountedTabs.has(tab.id);
+            const isActive = selectedTab === tab.id;
+            
+            return (
+              <TabsContent 
+                key={tab.id} 
+                value={tab.id} 
+                forceMount // 🆕 DOM에 항상 유지
+                className={cn(
+                  "h-full",
+                  !isActive && "hidden" // 🆕 비활성 탭은 CSS로 숨김
+                )}
+              >
+                {/* 한 번 마운트된 탭만 내용 렌더링 */}
+                {shouldRender && (
+                  <>
+                    {tab.screenId ? (
+                      loadingScreens[tab.screenId] ? (
+                        <div className="flex h-full w-full items-center justify-center">
+                          <Loader2 className="h-8 w-8 animate-spin text-primary" />
+                          <span className="text-muted-foreground ml-2">화면 로딩 중...</span>
                         </div>
+                      ) : screenLayouts[tab.screenId] ? (
+                        (() => {
+                          const layoutData = screenLayouts[tab.screenId];
+                          const { components = [], screenResolution } = layoutData;
+                          
+                          // 비활성 탭은 로그 생략
+                          if (isActive) {
+                            console.log("🎯 렌더링할 화면 데이터:", {
+                              screenId: tab.screenId,
+                              componentsCount: components.length,
+                              screenResolution,
+                            });
+                          }
+
+                          const designWidth = screenResolution?.width || 1920;
+                          const designHeight = screenResolution?.height || 1080;
+
+                          return (
+                            <div 
+                              className="relative h-full w-full overflow-auto bg-background"
+                              style={{
+                                minHeight: `${designHeight}px`,
+                              }}
+                            >
+                              <div
+                                className="relative"
+                                style={{
+                                  width: `${designWidth}px`,
+                                  height: `${designHeight}px`,
+                                  margin: "0 auto",
+                                }}
+                              >
+                                {components.map((component: any) => (
+                                  <InteractiveScreenViewerDynamic
+                                    key={component.id}
+                                    component={component}
+                                    allComponents={components}
+                                    screenInfo={{
+                                      id: tab.screenId,
+                                      tableName: layoutData.tableName,
+                                    }}
+                                    menuObjid={menuObjid}
+                                  />
+                                ))}
+                              </div>
+                            </div>
+                          );
+                        })()
+                      ) : (
+                        <div className="flex h-full w-full items-center justify-center">
+                          <p className="text-muted-foreground text-sm">화면을 불러올 수 없습니다</p>
+                        </div>
+                      )
+                    ) : (
+                      <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
+                        <p className="text-muted-foreground text-sm">연결된 화면이 없습니다</p>
                       </div>
-                    );
-                  })()
-                ) : (
-                  <div className="flex h-full w-full items-center justify-center">
-                    <p className="text-muted-foreground text-sm">화면을 불러올 수 없습니다</p>
-                  </div>
-                )
-              ) : (
-                <div className="flex h-full w-full items-center justify-center rounded border-2 border-dashed border-gray-300 bg-gray-50">
-                  <p className="text-muted-foreground text-sm">연결된 화면이 없습니다</p>
-                </div>
-              )}
-            </TabsContent>
-          ))}
+                    )}
+                  </>
+                )}
+              </TabsContent>
+            );
+          })}
         </div>
       </Tabs>
     </div>
diff --git a/frontend/components/table-category/CategoryValueAddDialog.tsx b/frontend/components/table-category/CategoryValueAddDialog.tsx
index c486cc1d..9d962b22 100644
--- a/frontend/components/table-category/CategoryValueAddDialog.tsx
+++ b/frontend/components/table-category/CategoryValueAddDialog.tsx
@@ -52,23 +52,12 @@ export const CategoryValueAddDialog: React.FC<
   const [description, setDescription] = useState("");
   const [color, setColor] = useState("none");
 
-  // 라벨에서 코드 자동 생성
-  const generateCode = (label: string): string => {
-    // 한글을 영문으로 변환하거나, 영문/숫자만 추출하여 대문자로
-    const cleaned = label
-      .replace(/[^a-zA-Z0-9가-힣\s]/g, "") // 특수문자 제거
-      .trim()
-      .toUpperCase();
-    
-    // 영문이 있으면 영문만, 없으면 타임스탬프 기반
-    const englishOnly = cleaned.replace(/[^A-Z0-9\s]/g, "").replace(/\s+/g, "_");
-    
-    if (englishOnly.length > 0) {
-      return englishOnly.substring(0, 20); // 최대 20자
-    }
-    
-    // 영문이 없으면 CATEGORY_TIMESTAMP 형식
-    return `CATEGORY_${Date.now().toString().slice(-6)}`;
+  // 라벨에서 코드 자동 생성 (항상 고유한 코드 생성)
+  const generateCode = (): string => {
+    // 항상 CATEGORY_TIMESTAMP_RANDOM 형식으로 고유 코드 생성
+    const timestamp = Date.now().toString().slice(-6);
+    const random = Math.random().toString(36).substring(2, 6).toUpperCase();
+    return `CATEGORY_${timestamp}${random}`;
   };
 
   const handleSubmit = () => {
@@ -76,7 +65,7 @@ export const CategoryValueAddDialog: React.FC<
       return;
     }
 
-    const valueCode = generateCode(valueLabel);
+    const valueCode = generateCode();
 
     onAdd({
       tableName: "", // CategoryValueManager에서 오버라이드됨
diff --git a/frontend/components/table-category/CategoryValueEditDialog.tsx b/frontend/components/table-category/CategoryValueEditDialog.tsx
index 7ad415f0..18880eef 100644
--- a/frontend/components/table-category/CategoryValueEditDialog.tsx
+++ b/frontend/components/table-category/CategoryValueEditDialog.tsx
@@ -66,8 +66,8 @@ export const CategoryValueEditDialog: React.FC<
 
     onUpdate(value.valueId!, {
       valueLabel: valueLabel.trim(),
-      description: description.trim(),
-      color: color,
+      description: description.trim() || undefined, // 빈 문자열 대신 undefined
+      color: color === "none" ? null : color, // "none"은 null로 (배지 없음)
     });
   };
 
diff --git a/frontend/contexts/SplitPanelContext.tsx b/frontend/contexts/SplitPanelContext.tsx
index bfb9610b..99cccdd8 100644
--- a/frontend/contexts/SplitPanelContext.tsx
+++ b/frontend/contexts/SplitPanelContext.tsx
@@ -17,6 +17,24 @@ export interface SplitPanelDataReceiver {
   receiveData: (data: any[], mode: "append" | "replace" | "merge") => Promise<void>;
 }
 
+/**
+ * 부모 데이터 매핑 설정
+ * 좌측 화면에서 선택한 데이터를 우측 화면 저장 시 자동으로 포함
+ */
+export interface ParentDataMapping {
+  sourceColumn: string;  // 좌측 화면의 컬럼명 (예: equipment_code)
+  targetColumn: string;  // 우측 화면 저장 시 사용할 컬럼명 (예: equipment_code)
+}
+
+/**
+ * 연결 필터 설정
+ * 좌측 화면에서 선택한 데이터로 우측 화면의 테이블을 자동 필터링
+ */
+export interface LinkedFilter {
+  sourceColumn: string;  // 좌측 화면의 컬럼명 (예: equipment_code)
+  targetColumn: string;  // 우측 화면 필터링에 사용할 컬럼명 (예: equipment_code)
+}
+
 /**
  * 분할 패널 컨텍스트 값
  */
@@ -54,6 +72,22 @@ interface SplitPanelContextValue {
   addItemIds: (ids: string[]) => void;
   removeItemIds: (ids: string[]) => void;
   clearItemIds: () => void;
+  
+  // 🆕 좌측 선택 데이터 관리 (우측 화면 저장 시 부모 키 전달용)
+  selectedLeftData: Record<string, any> | null;
+  setSelectedLeftData: (data: Record<string, any> | null) => void;
+  
+  // 🆕 부모 데이터 매핑 설정
+  parentDataMapping: ParentDataMapping[];
+  
+  // 🆕 매핑된 부모 데이터 가져오기 (우측 화면 저장 시 사용)
+  getMappedParentData: () => Record<string, any>;
+  
+  // 🆕 연결 필터 설정 (좌측 선택 → 우측 테이블 필터링)
+  linkedFilters: LinkedFilter[];
+  
+  // 🆕 연결 필터 값 가져오기 (우측 테이블 조회 시 사용)
+  getLinkedFilterValues: () => Record<string, any>;
 }
 
 const SplitPanelContext = createContext<SplitPanelContextValue | null>(null);
@@ -62,6 +96,8 @@ interface SplitPanelProviderProps {
   splitPanelId: string;
   leftScreenId: number | null;
   rightScreenId: number | null;
+  parentDataMapping?: ParentDataMapping[];  // 🆕 부모 데이터 매핑 설정
+  linkedFilters?: LinkedFilter[];  // 🆕 연결 필터 설정
   children: React.ReactNode;
 }
 
@@ -72,6 +108,8 @@ export function SplitPanelProvider({
   splitPanelId,
   leftScreenId,
   rightScreenId,
+  parentDataMapping = [],
+  linkedFilters = [],
   children,
 }: SplitPanelProviderProps) {
   // 좌측/우측 화면의 데이터 수신자 맵
@@ -83,6 +121,9 @@ export function SplitPanelProvider({
   
   // 🆕 우측에 추가된 항목 ID 상태
   const [addedItemIds, setAddedItemIds] = useState<Set<string>>(new Set());
+  
+  // 🆕 좌측에서 선택된 데이터 상태
+  const [selectedLeftData, setSelectedLeftData] = useState<Record<string, any> | null>(null);
 
   /**
    * 데이터 수신자 등록
@@ -232,6 +273,82 @@ export function SplitPanelProvider({
     logger.debug(`[SplitPanelContext] 항목 ID 초기화`);
   }, []);
 
+  /**
+   * 🆕 좌측 선택 데이터 설정
+   */
+  const handleSetSelectedLeftData = useCallback((data: Record<string, any> | null) => {
+    logger.info(`[SplitPanelContext] 좌측 선택 데이터 설정:`, {
+      hasData: !!data,
+      dataKeys: data ? Object.keys(data) : [],
+    });
+    setSelectedLeftData(data);
+  }, []);
+
+  /**
+   * 🆕 매핑된 부모 데이터 가져오기
+   * 우측 화면에서 저장 시 이 함수를 호출하여 부모 키 값을 가져옴
+   * 
+   * 동작 방식:
+   * 1. 좌측 데이터의 모든 컬럼을 자동으로 전달 (동일한 컬럼명이면 자동 매핑)
+   * 2. 명시적 매핑이 있으면 소스→타겟 변환 적용 (다른 컬럼명으로 매핑 시)
+   */
+  const getMappedParentData = useCallback((): Record<string, any> => {
+    if (!selectedLeftData) {
+      return {};
+    }
+
+    const mappedData: Record<string, any> = {};
+    
+    // 1단계: 좌측 데이터의 모든 컬럼을 자동으로 전달 (동일 컬럼명 자동 매핑)
+    for (const [key, value] of Object.entries(selectedLeftData)) {
+      if (value !== undefined && value !== null) {
+        mappedData[key] = value;
+      }
+    }
+    
+    // 2단계: 명시적 매핑이 있으면 추가 적용 (다른 컬럼명으로 변환)
+    for (const mapping of parentDataMapping) {
+      const value = selectedLeftData[mapping.sourceColumn];
+      if (value !== undefined && value !== null) {
+        // 소스와 타겟이 다른 경우에만 추가 매핑
+        if (mapping.sourceColumn !== mapping.targetColumn) {
+          mappedData[mapping.targetColumn] = value;
+          logger.debug(`[SplitPanelContext] 명시적 매핑: ${mapping.sourceColumn} → ${mapping.targetColumn} = ${value}`);
+        }
+      }
+    }
+
+    logger.info(`[SplitPanelContext] 매핑된 부모 데이터 (자동+명시적):`, {
+      autoMappedKeys: Object.keys(selectedLeftData),
+      explicitMappings: parentDataMapping.length,
+      finalKeys: Object.keys(mappedData),
+    });
+    return mappedData;
+  }, [selectedLeftData, parentDataMapping]);
+
+  /**
+   * 🆕 연결 필터 값 가져오기
+   * 우측 화면의 테이블 조회 시 이 값으로 필터링
+   */
+  const getLinkedFilterValues = useCallback((): Record<string, any> => {
+    if (!selectedLeftData || linkedFilters.length === 0) {
+      return {};
+    }
+
+    const filterValues: Record<string, any> = {};
+    
+    for (const filter of linkedFilters) {
+      const value = selectedLeftData[filter.sourceColumn];
+      if (value !== undefined && value !== null && value !== "") {
+        filterValues[filter.targetColumn] = value;
+        logger.debug(`[SplitPanelContext] 연결 필터: ${filter.sourceColumn} → ${filter.targetColumn} = ${value}`);
+      }
+    }
+
+    logger.info(`[SplitPanelContext] 연결 필터 값:`, filterValues);
+    return filterValues;
+  }, [selectedLeftData, linkedFilters]);
+
   // 🆕 useMemo로 value 객체 메모이제이션 (무한 루프 방지)
   const value = React.useMemo<SplitPanelContextValue>(() => ({
     splitPanelId,
@@ -247,6 +364,14 @@ export function SplitPanelProvider({
     addItemIds,
     removeItemIds,
     clearItemIds,
+    // 🆕 좌측 선택 데이터 관련
+    selectedLeftData,
+    setSelectedLeftData: handleSetSelectedLeftData,
+    parentDataMapping,
+    getMappedParentData,
+    // 🆕 연결 필터 관련
+    linkedFilters,
+    getLinkedFilterValues,
   }), [
     splitPanelId,
     leftScreenId,
@@ -260,6 +385,12 @@ export function SplitPanelProvider({
     addItemIds,
     removeItemIds,
     clearItemIds,
+    selectedLeftData,
+    handleSetSelectedLeftData,
+    parentDataMapping,
+    getMappedParentData,
+    linkedFilters,
+    getLinkedFilterValues,
   ]);
 
   return (
diff --git a/frontend/hooks/useProfile.ts b/frontend/hooks/useProfile.ts
index 0498eb13..f96593f5 100644
--- a/frontend/hooks/useProfile.ts
+++ b/frontend/hooks/useProfile.ts
@@ -4,6 +4,17 @@ import { useState, useCallback, useEffect } from "react";
 import { ProfileFormData, ProfileModalState } from "@/types/profile";
 import { LAYOUT_CONFIG, MESSAGES } from "@/constants/layout";
 import { apiCall } from "@/lib/api/client";
+import {
+  getDriverProfile,
+  updateDriverProfile,
+  updateDriverStatus,
+  deleteDriverAccount,
+  deleteDriverVehicle,
+  registerDriverVehicle,
+  DriverProfile,
+  VehicleRegisterData,
+} from "@/lib/api/driver";
+import { DriverInfo, DriverFormData } from "@/components/layout/ProfileModal";
 
 // 알림 모달 상태 타입
 interface AlertModalState {
@@ -48,6 +59,26 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     }>
   >([]);
 
+  // 운전자 정보 상태
+  const [isDriver, setIsDriver] = useState(false);
+  const [hasVehicle, setHasVehicle] = useState(false); // 차량 보유 여부
+  const [driverInfo, setDriverInfo] = useState<DriverInfo | null>(null);
+  const [driverFormData, setDriverFormData] = useState<DriverFormData>({
+    vehicleNumber: "",
+    vehicleType: "",
+    licenseNumber: "",
+    phoneNumber: "",
+    branchName: "",
+  });
+
+  // 새 차량 등록 모달 상태
+  const [isVehicleRegisterModalOpen, setIsVehicleRegisterModalOpen] = useState(false);
+  const [newVehicleData, setNewVehicleData] = useState<VehicleRegisterData>({
+    vehicleNumber: "",
+    vehicleType: "",
+    branchName: "",
+  });
+
   // 알림 모달 표시 함수
   const showAlert = useCallback((title: string, message: string, type: "success" | "error" | "info" = "info") => {
     setAlertModal({
@@ -75,6 +106,41 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     }
   }, []);
 
+  // 운전자 정보 로드 함수
+  const loadDriverInfo = useCallback(async () => {
+    try {
+      const response = await getDriverProfile();
+      if (response.success && response.data) {
+        setIsDriver(true);
+        // 차량 보유 여부 확인
+        const vehicleExists = !!response.data.vehicleNumber;
+        setHasVehicle(vehicleExists);
+        setDriverInfo({
+          vehicleNumber: response.data.vehicleNumber,
+          vehicleType: response.data.vehicleType,
+          licenseNumber: response.data.licenseNumber,
+          phoneNumber: response.data.phoneNumber,
+          vehicleStatus: response.data.vehicleStatus,
+          branchName: response.data.branchName,
+        });
+        setDriverFormData({
+          vehicleNumber: response.data.vehicleNumber || "",
+          vehicleType: response.data.vehicleType || "",
+          licenseNumber: response.data.licenseNumber || "",
+          phoneNumber: response.data.phoneNumber || "",
+          branchName: response.data.branchName || "",
+        });
+      } else {
+        setIsDriver(false);
+        setHasVehicle(false);
+        setDriverInfo(null);
+      }
+    } catch (error) {
+      console.error("운전자 정보 로드 실패:", error);
+      setIsDriver(false);
+    }
+  }, []);
+
   /**
    * 프로필 모달 열기
    */
@@ -82,6 +148,8 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     if (user) {
       // 부서 목록 로드
       loadDepartments();
+      // 운전자 정보 로드
+      loadDriverInfo();
 
       setModalState((prev) => ({
         ...prev,
@@ -98,7 +166,7 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
         isSaving: false,
       }));
     }
-  }, [user, loadDepartments]);
+  }, [user, loadDepartments, loadDriverInfo]);
 
   /**
    * 프로필 모달 닫기
@@ -125,6 +193,138 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     }));
   }, []);
 
+  /**
+   * 운전자 폼 데이터 변경
+   */
+  const updateDriverFormData = useCallback((field: keyof DriverFormData, value: string) => {
+    setDriverFormData((prev) => ({
+      ...prev,
+      [field]: value,
+    }));
+  }, []);
+
+  /**
+   * 차량 상태 변경 (대기/정비)
+   */
+  const handleDriverStatusChange = useCallback(
+    async (status: "off" | "maintenance") => {
+      try {
+        const response = await updateDriverStatus(status);
+        if (response.success) {
+          showAlert("상태 변경", response.message || "차량 상태가 변경되었습니다.", "success");
+          // 운전자 정보 새로고침
+          await loadDriverInfo();
+        } else {
+          showAlert("상태 변경 실패", response.message || "상태 변경에 실패했습니다.", "error");
+        }
+      } catch (error) {
+        console.error("차량 상태 변경 실패:", error);
+        showAlert("오류", "상태 변경 중 오류가 발생했습니다.", "error");
+      }
+    },
+    [showAlert, loadDriverInfo]
+  );
+
+  /**
+   * 회원 탈퇴
+   */
+  const handleDriverAccountDelete = useCallback(async () => {
+    if (!confirm("정말로 탈퇴하시겠습니까?\n차량 정보가 함께 삭제되며, 이 작업은 되돌릴 수 없습니다.")) {
+      return;
+    }
+
+    try {
+      const response = await deleteDriverAccount();
+      if (response.success) {
+        showAlert("탈퇴 완료", "회원 탈퇴가 완료되었습니다.", "success");
+        // 로그아웃 처리
+        window.location.href = "/login";
+      } else {
+        showAlert("탈퇴 실패", response.message || "회원 탈퇴에 실패했습니다.", "error");
+      }
+    } catch (error) {
+      console.error("회원 탈퇴 실패:", error);
+      showAlert("오류", "회원 탈퇴 중 오류가 발생했습니다.", "error");
+    }
+  }, [showAlert]);
+
+  /**
+   * 차량 삭제
+   */
+  const handleDeleteVehicle = useCallback(async () => {
+    if (!confirm("이 차량을 더 이상 사용하지 않습니까?\n차량 정보가 삭제됩니다.")) {
+      return;
+    }
+
+    try {
+      const response = await deleteDriverVehicle();
+      if (response.success) {
+        showAlert("삭제 완료", "차량이 삭제되었습니다.", "success");
+        // 운전자 정보 새로고침
+        await loadDriverInfo();
+      } else {
+        showAlert("삭제 실패", response.message || "차량 삭제에 실패했습니다.", "error");
+      }
+    } catch (error) {
+      console.error("차량 삭제 실패:", error);
+      showAlert("오류", "차량 삭제 중 오류가 발생했습니다.", "error");
+    }
+  }, [showAlert, loadDriverInfo]);
+
+  /**
+   * 새 차량 등록 모달 열기
+   */
+  const openVehicleRegisterModal = useCallback(() => {
+    setNewVehicleData({
+      vehicleNumber: "",
+      vehicleType: "",
+      branchName: driverFormData.branchName || "", // 기존 소속 지점 유지
+    });
+    setIsVehicleRegisterModalOpen(true);
+  }, [driverFormData.branchName]);
+
+  /**
+   * 새 차량 등록 모달 닫기
+   */
+  const closeVehicleRegisterModal = useCallback(() => {
+    setIsVehicleRegisterModalOpen(false);
+  }, []);
+
+  /**
+   * 새 차량 데이터 변경
+   */
+  const updateNewVehicleData = useCallback((field: keyof VehicleRegisterData, value: string) => {
+    setNewVehicleData((prev) => ({
+      ...prev,
+      [field]: value,
+    }));
+  }, []);
+
+  /**
+   * 새 차량 등록 처리
+   */
+  const handleRegisterVehicle = useCallback(async () => {
+    if (!newVehicleData.vehicleNumber) {
+      showAlert("입력 오류", "차량번호는 필수입니다.", "error");
+      return;
+    }
+
+    try {
+      const response = await registerDriverVehicle(newVehicleData);
+      if (response.success) {
+        showAlert("등록 완료", "차량이 등록되었습니다.", "success");
+        setIsVehicleRegisterModalOpen(false);
+        // 운전자 정보 새로고침
+        await loadDriverInfo();
+      } else {
+        showAlert("등록 실패", response.message || "차량 등록에 실패했습니다.", "error");
+      }
+    } catch (error) {
+      console.error("차량 등록 실패:", error);
+      showAlert("오류", "차량 등록 중 오류가 발생했습니다.", "error");
+    }
+  }, [newVehicleData, showAlert, loadDriverInfo]);
+
   /**
    * 이미지 선택 처리
    */
@@ -229,6 +429,22 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
       // API 호출 (JWT 토큰 자동 포함)
       const response = await apiCall("PUT", "/admin/profile", updateData);
 
+      // 운전자 정보도 저장 (운전자인 경우)
+      if (isDriver) {
+        const driverResponse = await updateDriverProfile({
+          userName: modalState.formData.userName,
+          phoneNumber: driverFormData.phoneNumber,
+          licenseNumber: driverFormData.licenseNumber,
+          vehicleNumber: driverFormData.vehicleNumber,
+          vehicleType: driverFormData.vehicleType,
+          branchName: driverFormData.branchName,
+        });
+
+        if (!driverResponse.success) {
+          console.warn("운전자 정보 저장 실패:", driverResponse.message);
+        }
+      }
+
       if (response.success || (response as any).result) {
         // locale이 변경된 경우 전역 변수와 localStorage 업데이트
         const localeChanged = modalState.formData.locale && modalState.formData.locale !== user.locale;
@@ -265,7 +481,7 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     } finally {
       setModalState((prev) => ({ ...prev, isSaving: false }));
     }
-  }, [user, modalState.selectedFile, modalState.selectedImage, modalState.formData, refreshUserData, showAlert]);
+  }, [user, modalState.selectedFile, modalState.selectedImage, modalState.formData, refreshUserData, showAlert, isDriver, driverFormData]);
 
   return {
     // 상태
@@ -279,6 +495,16 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     alertModal,
     closeAlert,
 
+    // 운전자 관련 상태
+    isDriver,
+    hasVehicle,
+    driverInfo,
+    driverFormData,
+
+    // 새 차량 등록 모달 상태
+    isVehicleRegisterModalOpen,
+    newVehicleData,
+
     // 액션
     openProfileModal,
     closeProfileModal,
@@ -286,5 +512,15 @@ export const useProfile = (user: any, refreshUserData: () => Promise<void>, refr
     selectImage,
     removeImage,
     saveProfile,
+
+    // 운전자 관련 액션
+    updateDriverFormData,
+    handleDriverStatusChange,
+    handleDriverAccountDelete,
+    handleDeleteVehicle,
+    openVehicleRegisterModal,
+    closeVehicleRegisterModal,
+    updateNewVehicleData,
+    handleRegisterVehicle,
   };
 };
diff --git a/frontend/lib/api/driver.ts b/frontend/lib/api/driver.ts
new file mode 100644
index 00000000..8074660a
--- /dev/null
+++ b/frontend/lib/api/driver.ts
@@ -0,0 +1,135 @@
+// 공차중계 운전자 API
+import { apiClient } from "./client";
+
+export interface DriverProfile {
+  userId: string;
+  userName: string;
+  phoneNumber: string;
+  licenseNumber: string;
+  vehicleNumber: string;
+  vehicleType: string | null;
+  vehicleStatus: string | null;
+  branchName: string | null;
+}
+
+export interface DriverProfileUpdateData {
+  userName?: string;
+  phoneNumber?: string;
+  licenseNumber?: string;
+  vehicleNumber?: string;
+  vehicleType?: string;
+  branchName?: string;
+}
+
+/**
+ * 운전자 프로필 조회
+ */
+export async function getDriverProfile(): Promise<{
+  success: boolean;
+  data?: DriverProfile;
+  message?: string;
+}> {
+  try {
+    const response = await apiClient.get("/driver/profile");
+    return response.data;
+  } catch (error: any) {
+    return {
+      success: false,
+      message: error.response?.data?.message || "프로필 조회에 실패했습니다.",
+    };
+  }
+}
+
+/**
+ * 운전자 프로필 수정
+ */
+export async function updateDriverProfile(
+  data: DriverProfileUpdateData
+): Promise<{ success: boolean; message?: string }> {
+  try {
+    const response = await apiClient.put("/driver/profile", data);
+    return response.data;
+  } catch (error: any) {
+    return {
+      success: false,
+      message: error.response?.data?.message || "프로필 수정에 실패했습니다.",
+    };
+  }
+}
+
+/**
+ * 차량 상태 변경 (대기/정비)
+ */
+export async function updateDriverStatus(
+  status: "off" | "maintenance"
+): Promise<{ success: boolean; message?: string }> {
+  try {
+    const response = await apiClient.put("/driver/status", { status });
+    return response.data;
+  } catch (error: any) {
+    return {
+      success: false,
+      message: error.response?.data?.message || "상태 변경에 실패했습니다.",
+    };
+  }
+}
+
+/**
+ * 차량 삭제 (기록 보존)
+ */
+export async function deleteDriverVehicle(): Promise<{
+  success: boolean;
+  message?: string;
+}> {
+  try {
+    const response = await apiClient.delete("/driver/vehicle");
+    return response.data;
+  } catch (error: any) {
+    return {
+      success: false,
+      message: error.response?.data?.message || "차량 삭제에 실패했습니다.",
+    };
+  }
+}
+
+/**
+ * 새 차량 등록
+ */
+export interface VehicleRegisterData {
+  vehicleNumber: string;
+  vehicleType?: string;
+  branchName?: string;
+}
+
+export async function registerDriverVehicle(
+  data: VehicleRegisterData
+): Promise<{ success: boolean; message?: string }> {
+  try {
+    const response = await apiClient.post("/driver/vehicle", data);
+    return response.data;
+  } catch (error: any) {
+    return {
+      success: false,
+      message: error.response?.data?.message || "차량 등록에 실패했습니다.",
+    };
+  }
+}
+
+/**
+ * 회원 탈퇴
+ */
+export async function deleteDriverAccount(): Promise<{
+  success: boolean;
+  message?: string;
+}> {
+  try {
+    const response = await apiClient.delete("/driver/account");
+    return response.data;
+  } catch (error: any) {
+    return {
+      success: false,
+      message: error.response?.data?.message || "회원 탈퇴에 실패했습니다.",
+    };
+  }
+}
+
diff --git a/frontend/lib/api/screen.ts b/frontend/lib/api/screen.ts
index 046996bf..6a394413 100644
--- a/frontend/lib/api/screen.ts
+++ b/frontend/lib/api/screen.ts
@@ -112,6 +112,22 @@ export const screenApi = {
     });
   },
 
+  // 활성 화면 일괄 삭제 (휴지통으로 이동)
+  bulkDeleteScreens: async (
+    screenIds: number[],
+    deleteReason?: string,
+    force?: boolean,
+  ): Promise<{
+    deletedCount: number;
+    skippedCount: number;
+    errors: Array<{ screenId: number; error: string }>;
+  }> => {
+    const response = await apiClient.delete("/screen-management/screens/bulk/delete", {
+      data: { screenIds, deleteReason, force },
+    });
+    return response.data.result;
+  },
+
   // 휴지통 화면 목록 조회
   getDeletedScreens: async (params: {
     page?: number;
diff --git a/frontend/lib/registry/DynamicComponentRenderer.tsx b/frontend/lib/registry/DynamicComponentRenderer.tsx
index 0ea687bf..c0e0c87e 100644
--- a/frontend/lib/registry/DynamicComponentRenderer.tsx
+++ b/frontend/lib/registry/DynamicComponentRenderer.tsx
@@ -374,6 +374,11 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
           height: component.size?.height ? `${component.size.height}px` : component.style?.height,
         };
 
+        // 🆕 엔티티 검색 컴포넌트는 componentConfig.tableName을 사용해야 함 (화면 테이블이 아닌 검색 대상 테이블)
+        const useConfigTableName = componentType === "entity-search-input" || 
+                                   componentType === "autocomplete-search-input" ||
+                                   componentType === "modal-repeater-table";
+        
         const rendererProps = {
           component,
           isSelected,
@@ -396,7 +401,8 @@ export const DynamicComponentRenderer: React.FC<DynamicComponentRendererProps> =
           formData,
           onFormDataChange,
           onChange: handleChange, // 개선된 onChange 핸들러 전달
-          tableName,
+          // 🆕 엔티티 검색 컴포넌트는 componentConfig.tableName 유지, 그 외는 화면 테이블명 사용
+          tableName: useConfigTableName ? (component.componentConfig?.tableName || tableName) : tableName,
           menuId, // 🆕 메뉴 ID
           menuObjid, // 🆕 메뉴 OBJID (메뉴 스코프)
           selectedScreen, // 🆕 화면 정보
diff --git a/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx b/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx
index 180dacaa..0bf8bea2 100644
--- a/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx
+++ b/frontend/lib/registry/components/button-primary/ButtonPrimaryComponent.tsx
@@ -692,6 +692,25 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
         effectiveScreenId,
       });
 
+      // 🆕 분할 패널 부모 데이터 가져오기 (우측 화면에서 저장 시 좌측 선택 데이터 포함)
+      // 조건 완화: splitPanelContext가 있고 selectedLeftData가 있으면 가져옴
+      // (탭 안에서도 분할 패널 컨텍스트에 접근 가능하도록)
+      let splitPanelParentData: Record<string, any> | undefined;
+      if (splitPanelContext) {
+        // 우측 화면이거나, 탭 안의 화면(splitPanelPosition이 undefined)인 경우 모두 처리
+        // 좌측 화면이 아닌 경우에만 부모 데이터 포함 (좌측에서 저장 시 자신의 데이터를 부모로 포함하면 안됨)
+        if (splitPanelPosition !== "left") {
+          splitPanelParentData = splitPanelContext.getMappedParentData();
+          if (Object.keys(splitPanelParentData).length > 0) {
+            console.log("🔗 [ButtonPrimaryComponent] 분할 패널 부모 데이터 포함:", {
+              splitPanelParentData,
+              splitPanelPosition,
+              isInTab: !splitPanelPosition, // splitPanelPosition이 없으면 탭 안
+            });
+          }
+        }
+      }
+
       const context: ButtonActionContext = {
         formData: formData || {},
         originalData: originalData, // 🔧 빈 객체 대신 undefined 유지 (UPDATE 판단에 사용)
@@ -720,6 +739,8 @@ export const ButtonPrimaryComponent: React.FC<ButtonPrimaryComponentProps> = ({
         flowSelectedStepId,
         // 🆕 컴포넌트별 설정 (parentDataMapping 등)
         componentConfigs,
+        // 🆕 분할 패널 부모 데이터 (좌측 화면에서 선택된 데이터)
+        splitPanelParentData,
       } as ButtonActionContext;
 
       // 확인이 필요한 액션인지 확인
diff --git a/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx b/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx
index 0912afd7..a84ee354 100644
--- a/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx
+++ b/frontend/lib/registry/components/card-display/CardDisplayComponent.tsx
@@ -1,13 +1,18 @@
 "use client";
 
-import React, { useEffect, useState, useMemo } from "react";
+import React, { useEffect, useState, useMemo, useCallback } from "react";
 import { ComponentRendererProps } from "@/types/component";
 import { CardDisplayConfig } from "./types";
 import { tableTypeApi } from "@/lib/api/screen";
+import { getFullImageUrl, apiClient } from "@/lib/api/client";
 import { filterDOMProps } from "@/lib/utils/domPropsFilter";
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from "@/components/ui/dialog";
 import { Input } from "@/components/ui/input";
 import { Button } from "@/components/ui/button";
+import { Badge } from "@/components/ui/badge";
+import { useScreenContextOptional } from "@/contexts/ScreenContext";
+import { useSplitPanelContext } from "@/contexts/SplitPanelContext";
+import { useModalDataStore } from "@/stores/modalDataStore";
 
 export interface CardDisplayComponentProps extends ComponentRendererProps {
   config?: CardDisplayConfig;
@@ -38,10 +43,26 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
   tableColumns = [],
   ...props
 }) => {
+  // 컨텍스트 (선택적 - 디자인 모드에서는 없을 수 있음)
+  const screenContext = useScreenContextOptional();
+  const splitPanelContext = useSplitPanelContext();
+  const splitPanelPosition = screenContext?.splitPanelPosition;
+
   // 테이블 데이터 상태 관리
   const [loadedTableData, setLoadedTableData] = useState<any[]>([]);
   const [loadedTableColumns, setLoadedTableColumns] = useState<any[]>([]);
   const [loading, setLoading] = useState(false);
+  
+  // 카테고리 매핑 상태 (카테고리 코드 -> 라벨/색상)
+  const [columnMeta, setColumnMeta] = useState<
+    Record<string, { webType?: string; codeCategory?: string; inputType?: string }>
+  >({});
+  const [categoryMappings, setCategoryMappings] = useState<
+    Record<string, Record<string, { label: string; color?: string }>>
+  >({});
+
+  // 선택된 카드 상태 (Set으로 변경하여 테이블 리스트와 동일하게)
+  const [selectedRows, setSelectedRows] = useState<Set<string>>(new Set());
 
   // 상세보기 모달 상태
   const [viewModalOpen, setViewModalOpen] = useState(false);
@@ -108,44 +129,78 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
       const tableNameToUse = tableName || component.componentConfig?.tableName || 'user_info'; // 기본 테이블명 설정
 
       if (!tableNameToUse) {
-        // console.log("📋 CardDisplay: 테이블명이 설정되지 않음", {
-        //   tableName,
-        //   componentTableName: component.componentConfig?.tableName,
-        // });
         return;
       }
 
-      // console.log("📋 CardDisplay: 사용할 테이블명", {
-      //   tableName,
-      //   componentTableName: component.componentConfig?.tableName,
-      //   finalTableName: tableNameToUse,
-      // });
-
       try {
         setLoading(true);
-        // console.log(`📋 CardDisplay: ${tableNameToUse} 테이블 데이터 로딩 시작`);
 
-        // 테이블 데이터와 컬럼 정보를 병렬로 로드
-        const [dataResponse, columnsResponse] = await Promise.all([
+        // 테이블 데이터, 컬럼 정보, 입력 타입 정보를 병렬로 로드
+        const [dataResponse, columnsResponse, inputTypesResponse] = await Promise.all([
           tableTypeApi.getTableData(tableNameToUse, {
             page: 1,
             size: 50, // 카드 표시용으로 적당한 개수
           }),
           tableTypeApi.getColumns(tableNameToUse),
+          tableTypeApi.getColumnInputTypes(tableNameToUse),
         ]);
 
-        // console.log(`📋 CardDisplay: ${tableNameToUse} 데이터 로딩 완료`, {
-        //   total: dataResponse.total,
-        //   dataLength: dataResponse.data.length,
-        //   columnsLength: columnsResponse.length,
-        //   sampleData: dataResponse.data.slice(0, 2),
-        //   sampleColumns: columnsResponse.slice(0, 3),
-        // });
-
         setLoadedTableData(dataResponse.data);
         setLoadedTableColumns(columnsResponse);
+        
+        // 컬럼 메타 정보 설정 (inputType 포함)
+        const meta: Record<string, { webType?: string; codeCategory?: string; inputType?: string }> = {};
+        inputTypesResponse.forEach((item: any) => {
+          meta[item.columnName || item.column_name] = {
+            webType: item.webType || item.web_type,
+            inputType: item.inputType || item.input_type,
+            codeCategory: item.codeCategory || item.code_category,
+          };
+        });
+        console.log("📋 [CardDisplay] 컬럼 메타 정보:", meta);
+        setColumnMeta(meta);
+        
+        // 카테고리 타입 컬럼 찾기 및 매핑 로드
+        const categoryColumns = Object.entries(meta)
+          .filter(([_, m]) => m.inputType === "category")
+          .map(([columnName]) => columnName);
+        
+        console.log("📋 [CardDisplay] 카테고리 컬럼:", categoryColumns);
+        
+        if (categoryColumns.length > 0) {
+          const mappings: Record<string, Record<string, { label: string; color?: string }>> = {};
+          
+          for (const columnName of categoryColumns) {
+            try {
+              console.log(`📋 [CardDisplay] 카테고리 매핑 로드 시작: ${tableNameToUse}/${columnName}`);
+              const response = await apiClient.get(`/table-categories/${tableNameToUse}/${columnName}/values`);
+              
+              console.log(`📋 [CardDisplay] 카테고리 API 응답 [${columnName}]:`, response.data);
+              
+              if (response.data.success && response.data.data) {
+                const mapping: Record<string, { label: string; color?: string }> = {};
+                response.data.data.forEach((item: any) => {
+                  // API 응답 형식: valueCode, valueLabel (camelCase)
+                  const code = item.valueCode || item.value_code || item.category_code || item.code || item.value;
+                  const label = item.valueLabel || item.value_label || item.category_name || item.name || item.label || code;
+                  // color가 null/undefined/"none"이면 undefined로 유지 (배지 없음)
+                  const rawColor = item.color ?? item.badge_color;
+                  const color = (rawColor && rawColor !== "none") ? rawColor : undefined;
+                  mapping[code] = { label, color };
+                  console.log(`📋 [CardDisplay] 매핑 추가: ${code} -> ${label} (color: ${color})`);
+                });
+                mappings[columnName] = mapping;
+              }
+            } catch (error) {
+              console.error(`❌ CardDisplay: 카테고리 매핑 로드 실패 [${columnName}]`, error);
+            }
+          }
+          
+          console.log("📋 [CardDisplay] 최종 카테고리 매핑:", mappings);
+          setCategoryMappings(mappings);
+        }
       } catch (error) {
-        console.error(`❌ CardDisplay: ${tableNameToUse} 데이터 로딩 실패`, error);
+        console.error(`❌ CardDisplay: 데이터 로딩 실패`, error);
         setLoadedTableData([]);
         setLoadedTableColumns([]);
       } finally {
@@ -196,38 +251,135 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
 
   // 표시할 데이터 결정 (로드된 테이블 데이터 우선 사용)
   const displayData = useMemo(() => {
-    // console.log("📋 CardDisplay: displayData 결정 중", {
-    //   dataSource: componentConfig.dataSource,
-    //   loadedTableDataLength: loadedTableData.length,
-    //   tableDataLength: tableData.length,
-    //   staticDataLength: componentConfig.staticData?.length || 0,
-    // });
-
     // 로드된 테이블 데이터가 있으면 항상 우선 사용 (dataSource 설정 무시)
     if (loadedTableData.length > 0) {
-      // console.log("📋 CardDisplay: 로드된 테이블 데이터 사용", loadedTableData.slice(0, 2));
       return loadedTableData;
     }
 
     // props로 전달받은 테이블 데이터가 있으면 사용
     if (tableData.length > 0) {
-      // console.log("📋 CardDisplay: props 테이블 데이터 사용", tableData.slice(0, 2));
       return tableData;
     }
 
     if (componentConfig.staticData && componentConfig.staticData.length > 0) {
-      // console.log("📋 CardDisplay: 정적 데이터 사용", componentConfig.staticData.slice(0, 2));
       return componentConfig.staticData;
     }
 
     // 데이터가 없으면 빈 배열 반환
-    // console.log("📋 CardDisplay: 표시할 데이터가 없음");
     return [];
   }, [componentConfig.dataSource, loadedTableData, tableData, componentConfig.staticData]);
 
   // 실제 사용할 테이블 컬럼 정보 (로드된 컬럼 우선 사용)
   const actualTableColumns = loadedTableColumns.length > 0 ? loadedTableColumns : tableColumns;
 
+  // 카드 ID 가져오기 함수 (훅은 조기 리턴 전에 선언)
+  const getCardKey = useCallback((data: any, index: number): string => {
+    return String(data.id || data.objid || data.ID || index);
+  }, []);
+
+  // 카드 선택 핸들러 (단일 선택 - 다른 카드 선택 시 기존 선택 해제)
+  const handleCardSelection = useCallback((cardKey: string, data: any, checked: boolean) => {
+    // 단일 선택: 새로운 Set 생성 (기존 선택 초기화)
+    const newSelectedRows = new Set<string>();
+    
+    if (checked) {
+      // 선택 시 해당 카드만 선택
+      newSelectedRows.add(cardKey);
+    }
+    // checked가 false면 빈 Set (선택 해제)
+    
+    setSelectedRows(newSelectedRows);
+
+    // 선택된 카드 데이터 계산
+    const selectedRowsData = displayData.filter((item, index) => 
+      newSelectedRows.has(getCardKey(item, index))
+    );
+
+    // onFormDataChange 호출
+    if (onFormDataChange) {
+      onFormDataChange({
+        selectedRows: Array.from(newSelectedRows),
+        selectedRowsData,
+      });
+    }
+
+    // modalDataStore에 선택된 데이터 저장
+    const tableNameToUse = componentConfig.dataSource?.tableName || tableName;
+    if (tableNameToUse && selectedRowsData.length > 0) {
+      const modalItems = selectedRowsData.map((row, idx) => ({
+        id: getCardKey(row, idx),
+        originalData: row,
+        additionalData: {},
+      }));
+      useModalDataStore.getState().setData(tableNameToUse, modalItems);
+      console.log("[CardDisplay] modalDataStore에 데이터 저장:", {
+        dataSourceId: tableNameToUse,
+        count: modalItems.length,
+      });
+    } else if (tableNameToUse && selectedRowsData.length === 0) {
+      useModalDataStore.getState().clearData(tableNameToUse);
+      console.log("[CardDisplay] modalDataStore 데이터 제거:", tableNameToUse);
+    }
+
+    // 분할 패널 컨텍스트에 선택된 데이터 저장 (좌측 화면인 경우)
+    if (splitPanelContext && splitPanelPosition === "left") {
+      if (checked) {
+        splitPanelContext.setSelectedLeftData(data);
+        console.log("[CardDisplay] 분할 패널 좌측 데이터 저장:", {
+          data,
+          parentDataMapping: splitPanelContext.parentDataMapping,
+        });
+      } else {
+        splitPanelContext.setSelectedLeftData(null);
+        console.log("[CardDisplay] 분할 패널 좌측 데이터 초기화");
+      }
+    }
+  }, [displayData, getCardKey, onFormDataChange, componentConfig.dataSource?.tableName, tableName, splitPanelContext, splitPanelPosition]);
+
+  const handleCardClick = useCallback((data: any, index: number) => {
+    const cardKey = getCardKey(data, index);
+    const isCurrentlySelected = selectedRows.has(cardKey);
+    
+    // 단일 선택: 이미 선택된 카드 클릭 시 선택 해제, 아니면 새로 선택
+    handleCardSelection(cardKey, data, !isCurrentlySelected);
+    
+    if (componentConfig.onCardClick) {
+      componentConfig.onCardClick(data);
+    }
+  }, [getCardKey, selectedRows, handleCardSelection, componentConfig.onCardClick]);
+
+  // DataProvidable 인터페이스 구현 (테이블 리스트와 동일)
+  const dataProvider = useMemo(() => ({
+    componentId: component.id,
+    componentType: "card-display" as const,
+    
+    getSelectedData: () => {
+      const selectedData = displayData.filter((item, index) => 
+        selectedRows.has(getCardKey(item, index))
+      );
+      return selectedData;
+    },
+    
+    getAllData: () => {
+      return displayData;
+    },
+    
+    clearSelection: () => {
+      setSelectedRows(new Set());
+    },
+  }), [component.id, displayData, selectedRows, getCardKey]);
+
+  // ScreenContext에 데이터 제공자로 등록
+  useEffect(() => {
+    if (screenContext && component.id) {
+      screenContext.registerDataProvider(component.id, dataProvider);
+      
+      return () => {
+        screenContext.unregisterDataProvider(component.id);
+      };
+    }
+  }, [screenContext, component.id, dataProvider]);
+
   // 로딩 중인 경우 로딩 표시
   if (loading) {
     return (
@@ -261,26 +413,19 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
     borderRadius: "12px", // 컨테이너 자체도 라운드 처리
   };
 
-  // 카드 스타일 - 통일된 디자인 시스템 적용
+  // 카드 스타일 - 컴팩트한 디자인
   const cardStyle: React.CSSProperties = {
     backgroundColor: "white",
-    border: "2px solid #e5e7eb", // 더 명확한 테두리
-    borderRadius: "12px", // 통일된 라운드 처리
-    padding: "24px", // 더 여유로운 패딩
-    boxShadow: "0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06)", // 더 깊은 그림자
-    transition: "all 0.3s cubic-bezier(0.4, 0, 0.2, 1)", // 부드러운 트랜지션
+    border: "1px solid #e5e7eb",
+    borderRadius: "8px",
+    padding: "16px",
+    boxShadow: "0 1px 3px rgba(0, 0, 0, 0.08)",
+    transition: "all 0.2s ease",
     overflow: "hidden",
     display: "flex",
     flexDirection: "column",
     position: "relative",
-    minHeight: "240px", // 최소 높이 더 증가
     cursor: isDesignMode ? "pointer" : "default",
-    // 호버 효과를 위한 추가 스타일
-    "&:hover": {
-      transform: "translateY(-2px)",
-      boxShadow: "0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)",
-      borderColor: "#f59e0b", // 호버 시 오렌지 테두리
-    }
   };
 
   // 텍스트 자르기 함수
@@ -290,17 +435,80 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
     return text.substring(0, maxLength) + "...";
   };
 
-  // 컬럼 매핑에서 값 가져오기
-  const getColumnValue = (data: any, columnName?: string) => {
+  // 컬럼 값을 문자열로 가져오기 (카테고리 타입인 경우 매핑된 라벨 반환)
+  const getColumnValueAsString = (data: any, columnName?: string): string => {
     if (!columnName) return "";
-    return data[columnName] || "";
+    const value = data[columnName];
+    if (value === null || value === undefined || value === "") return "";
+    
+    // 카테고리 타입인 경우 매핑된 라벨 반환
+    const meta = columnMeta[columnName];
+    if (meta?.inputType === "category") {
+      const mapping = categoryMappings[columnName];
+      const valueStr = String(value);
+      const categoryData = mapping?.[valueStr];
+      return categoryData?.label || valueStr;
+    }
+    
+    return String(value);
+  };
+  
+  // 컬럼 매핑에서 값 가져오기 (카테고리 타입인 경우 배지로 표시)
+  const getColumnValue = (data: any, columnName?: string): React.ReactNode => {
+    if (!columnName) return "";
+    const value = data[columnName];
+    if (value === null || value === undefined || value === "") return "";
+    
+    // 카테고리 타입인 경우 매핑된 라벨과 배지로 표시
+    const meta = columnMeta[columnName];
+    if (meta?.inputType === "category") {
+      const mapping = categoryMappings[columnName];
+      const valueStr = String(value);
+      const categoryData = mapping?.[valueStr];
+      const displayLabel = categoryData?.label || valueStr;
+      const displayColor = categoryData?.color;
+      
+      // 색상이 없거나(null/undefined), 빈 문자열이거나, "none"이면 일반 텍스트로 표시 (배지 없음)
+      if (!displayColor || displayColor === "none") {
+        return displayLabel;
+      }
+      
+      return (
+        <Badge
+          style={{
+            backgroundColor: displayColor,
+            borderColor: displayColor,
+          }}
+          className="text-white text-xs"
+        >
+          {displayLabel}
+        </Badge>
+      );
+    }
+    
+    return String(value);
   };
 
   // 컬럼명을 라벨로 변환하는 헬퍼 함수
   const getColumnLabel = (columnName: string) => {
-    if (!actualTableColumns || actualTableColumns.length === 0) return columnName;
-    const column = actualTableColumns.find((col) => col.columnName === columnName);
-    return column?.columnLabel || columnName;
+    if (!actualTableColumns || actualTableColumns.length === 0) {
+      // 컬럼 정보가 없으면 컬럼명을 보기 좋게 변환
+      return formatColumnName(columnName);
+    }
+    const column = actualTableColumns.find(
+      (col) => col.columnName === columnName || col.column_name === columnName
+    );
+    // 다양한 라벨 필드명 지원 (displayName이 API에서 반환하는 라벨)
+    const label = column?.displayName || column?.columnLabel || column?.column_label || column?.label;
+    return label || formatColumnName(columnName);
+  };
+
+  // 컬럼명을 보기 좋은 형태로 변환 (snake_case -> 공백 구분)
+  const formatColumnName = (columnName: string) => {
+    // 언더스코어를 공백으로 변환하고 각 단어 첫 글자 대문자화
+    return columnName
+      .replace(/_/g, ' ')
+      .replace(/\b\w/g, (char) => char.toUpperCase());
   };
 
   // 자동 폴백 로직 - 컬럼이 설정되지 않은 경우 적절한 기본값 찾기
@@ -327,12 +535,6 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
     onClick?.();
   };
 
-  const handleCardClick = (data: any) => {
-    if (componentConfig.onCardClick) {
-      componentConfig.onCardClick(data);
-    }
-  };
-
   // DOM 안전한 props만 필터링 (filterDOMProps 유틸리티 사용)
   const safeDomProps = filterDOMProps(props);
 
@@ -405,99 +607,145 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
             </div>
           ) : (
             displayData.map((data, index) => {
-              // 타이틀, 서브타이틀, 설명 값 결정 (원래 카드 레이아웃과 동일한 로직)
+              // 타이틀, 서브타이틀, 설명 값 결정 (문자열로 가져와서 표시)
               const titleValue =
-                getColumnValue(data, componentConfig.columnMapping?.titleColumn) || getAutoFallbackValue(data, "title");
+                getColumnValueAsString(data, componentConfig.columnMapping?.titleColumn) || getAutoFallbackValue(data, "title");
 
               const subtitleValue =
-                getColumnValue(data, componentConfig.columnMapping?.subtitleColumn) ||
+                getColumnValueAsString(data, componentConfig.columnMapping?.subtitleColumn) ||
                 getAutoFallbackValue(data, "subtitle");
 
               const descriptionValue =
-                getColumnValue(data, componentConfig.columnMapping?.descriptionColumn) ||
+                getColumnValueAsString(data, componentConfig.columnMapping?.descriptionColumn) ||
                 getAutoFallbackValue(data, "description");
 
-              const imageValue = componentConfig.columnMapping?.imageColumn
-                ? getColumnValue(data, componentConfig.columnMapping.imageColumn)
-                : data.avatar || data.image || "";
+              // 이미지 컬럼 자동 감지 (image_path, photo 등) - 대소문자 무시
+              const imageColumn = componentConfig.columnMapping?.imageColumn || 
+                Object.keys(data).find(key => {
+                  const lowerKey = key.toLowerCase();
+                  return lowerKey.includes('image') || lowerKey.includes('photo') || 
+                         lowerKey.includes('avatar') || lowerKey.includes('thumbnail') ||
+                         lowerKey.includes('picture') || lowerKey.includes('img');
+                });
+              
+              // 이미지 값 가져오기 (직접 접근 + 폴백)
+              const imageValue = imageColumn 
+                ? data[imageColumn] 
+                : (data.image_path || data.imagePath || data.avatar || data.image || data.photo || "");
+              
+              // 이미지 표시 여부 결정: 이미지 값이 있거나, 설정에서 활성화된 경우
+              const shouldShowImage = componentConfig.cardStyle?.showImage !== false;
+              
+              // 이미지 URL 생성 (TableListComponent와 동일한 로직 사용)
+              const imageUrl = imageValue ? getFullImageUrl(imageValue) : "";
+
+              const cardKey = getCardKey(data, index);
+              const isCardSelected = selectedRows.has(cardKey);
 
               return (
                 <div
-                  key={data.id || index}
-                  style={cardStyle}
-                  className="card-hover group cursor-pointer"
-                  onClick={() => handleCardClick(data)}
+                  key={cardKey}
+                  style={{
+                    ...cardStyle,
+                    borderColor: isCardSelected ? "#000" : "#e5e7eb",
+                    borderWidth: isCardSelected ? "2px" : "1px",
+                    boxShadow: isCardSelected 
+                      ? "0 4px 6px -1px rgba(0, 0, 0, 0.15)" 
+                      : "0 1px 3px rgba(0, 0, 0, 0.08)",
+                    flexDirection: "row", // 가로 배치
+                  }}
+                  className="card-hover group cursor-pointer transition-all duration-150"
+                  onClick={() => handleCardClick(data, index)}
                 >
-                  {/* 카드 이미지 - 통일된 디자인 */}
-                  {componentConfig.cardStyle?.showImage && componentConfig.columnMapping?.imageColumn && (
-                    <div className="mb-4 flex justify-center">
-                      <div className="flex h-20 w-20 items-center justify-center rounded-full bg-gradient-to-br from-primary/10 to-primary/20 shadow-sm border-2 border-background">
-                        <span className="text-2xl text-primary">👤</span>
-                      </div>
+                  {/* 카드 이미지 - 좌측 전체 높이 (이미지 컬럼이 있으면 자동 표시) */}
+                  {shouldShowImage && (
+                    <div className="flex-shrink-0 flex items-center justify-center mr-4">
+                      {imageUrl ? (
+                        <img 
+                          src={imageUrl} 
+                          alt={titleValue || "이미지"}
+                          className="h-16 w-16 rounded-lg object-cover border border-gray-200"
+                          onError={(e) => {
+                            // 이미지 로드 실패 시 기본 아이콘으로 대체
+                            e.currentTarget.src = "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64'%3E%3Crect width='64' height='64' fill='%23e0e7ff' rx='8'/%3E%3Ctext x='32' y='40' text-anchor='middle' fill='%236366f1' font-size='24'%3E👤%3C/text%3E%3C/svg%3E";
+                          }}
+                        />
+                      ) : (
+                        <div className="flex h-16 w-16 items-center justify-center rounded-lg bg-primary/10">
+                          <span className="text-2xl text-primary">👤</span>
+                        </div>
+                      )}
                     </div>
                   )}
 
-                  {/* 카드 타이틀 - 통일된 디자인 */}
-                  {componentConfig.cardStyle?.showTitle && (
-                    <div className="mb-3">
-                      <h3 className="text-xl font-bold text-foreground leading-tight">{titleValue}</h3>
-                    </div>
-                  )}
-
-                  {/* 카드 서브타이틀 - 통일된 디자인 */}
-                  {componentConfig.cardStyle?.showSubtitle && (
-                    <div className="mb-3">
-                      <p className="text-sm font-semibold text-primary bg-primary/10 px-3 py-1 rounded-full inline-block">{subtitleValue}</p>
-                    </div>
-                  )}
-
-                  {/* 카드 설명 - 통일된 디자인 */}
-                  {componentConfig.cardStyle?.showDescription && (
-                    <div className="mb-4 flex-1">
-                      <p className="text-sm leading-relaxed text-foreground bg-muted p-3 rounded-lg">
-                        {truncateText(descriptionValue, componentConfig.cardStyle?.maxDescriptionLength || 100)}
-                      </p>
-                    </div>
-                  )}
-
-                  {/* 추가 표시 컬럼들 - 통일된 디자인 */}
-                  {componentConfig.columnMapping?.displayColumns &&
-                    componentConfig.columnMapping.displayColumns.length > 0 && (
-                      <div className="space-y-2 border-t border-border pt-4">
-                        {componentConfig.columnMapping.displayColumns.map((columnName, idx) => {
-                          const value = getColumnValue(data, columnName);
-                          if (!value) return null;
-
-                          return (
-                            <div key={idx} className="flex justify-between items-center text-sm bg-background/50 px-3 py-2 rounded-lg border border-border">
-                              <span className="text-muted-foreground font-medium capitalize">{getColumnLabel(columnName)}:</span>
-                              <span className="font-semibold text-foreground bg-muted px-2 py-1 rounded-md text-xs">{value}</span>
-                            </div>
-                          );
-                        })}
+                  {/* 우측 컨텐츠 영역 */}
+                  <div className="flex flex-col flex-1 min-w-0">
+                    {/* 타이틀 + 서브타이틀 */}
+                    {(componentConfig.cardStyle?.showTitle || componentConfig.cardStyle?.showSubtitle) && (
+                      <div className="mb-1 flex items-center gap-2 flex-wrap">
+                        {componentConfig.cardStyle?.showTitle && (
+                          <h3 className="text-base font-semibold text-foreground leading-tight">{titleValue}</h3>
+                        )}
+                        {componentConfig.cardStyle?.showSubtitle && subtitleValue && (
+                          <span className="text-xs font-medium text-primary bg-primary/10 px-2 py-0.5 rounded-full">{subtitleValue}</span>
+                        )}
                       </div>
                     )}
 
-                  {/* 카드 액션 (선택사항) */}
-                  <div className="mt-3 flex justify-end space-x-2">
-                    <button 
-                      className="text-xs font-medium text-blue-600 hover:text-blue-800 transition-colors"
-                      onClick={(e) => {
-                        e.stopPropagation();
-                        handleCardView(data);
-                      }}
-                    >
-                      상세보기
-                    </button>
-                    <button 
-                      className="text-xs font-medium text-muted-foreground hover:text-foreground transition-colors"
-                      onClick={(e) => {
-                        e.stopPropagation();
-                        handleCardEdit(data);
-                      }}
-                    >
-                      편집
-                    </button>
+                    {/* 추가 표시 컬럼들 - 가로 배치 */}
+                    {componentConfig.columnMapping?.displayColumns &&
+                      componentConfig.columnMapping.displayColumns.length > 0 && (
+                        <div className="flex flex-wrap items-center gap-x-3 gap-y-0.5 text-xs text-muted-foreground">
+                          {componentConfig.columnMapping.displayColumns.map((columnName, idx) => {
+                            const value = getColumnValue(data, columnName);
+                            if (!value) return null;
+
+                            return (
+                              <div key={idx} className="flex items-center gap-1">
+                                <span>{getColumnLabel(columnName)}:</span>
+                                <span className="font-medium text-foreground">{value}</span>
+                              </div>
+                            );
+                          })}
+                        </div>
+                      )}
+
+                    {/* 카드 설명 */}
+                    {componentConfig.cardStyle?.showDescription && descriptionValue && (
+                      <div className="mt-1 flex-1">
+                        <p className="text-xs text-muted-foreground leading-relaxed">
+                          {truncateText(descriptionValue, componentConfig.cardStyle?.maxDescriptionLength || 100)}
+                        </p>
+                      </div>
+                    )}
+
+                    {/* 카드 액션 - 설정에 따라 표시 */}
+                    {(componentConfig.cardStyle?.showActions ?? true) && (
+                      <div className="mt-2 flex justify-end space-x-2">
+                        {(componentConfig.cardStyle?.showViewButton ?? true) && (
+                          <button 
+                            className="text-xs text-blue-600 hover:text-blue-800 transition-colors"
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              handleCardView(data);
+                            }}
+                          >
+                            상세보기
+                          </button>
+                        )}
+                        {(componentConfig.cardStyle?.showEditButton ?? true) && (
+                          <button 
+                            className="text-xs text-muted-foreground hover:text-foreground transition-colors"
+                            onClick={(e) => {
+                              e.stopPropagation();
+                              handleCardEdit(data);
+                            }}
+                          >
+                            편집
+                          </button>
+                        )}
+                      </div>
+                    )}
                   </div>
                 </div>
               );
@@ -521,16 +769,48 @@ export const CardDisplayComponent: React.FC<CardDisplayComponentProps> = ({
               <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                 {Object.entries(selectedData)
                   .filter(([key, value]) => value !== null && value !== undefined && value !== '')
-                  .map(([key, value]) => (
-                    <div key={key} className="bg-muted rounded-lg p-3">
-                      <div className="text-xs font-medium text-muted-foreground uppercase tracking-wide mb-1">
-                        {key.replace(/_/g, ' ')}
+                  .map(([key, value]) => {
+                    // 카테고리 타입인 경우 배지로 표시
+                    const meta = columnMeta[key];
+                    let displayValue: React.ReactNode = String(value);
+                    
+                    if (meta?.inputType === "category") {
+                      const mapping = categoryMappings[key];
+                      const valueStr = String(value);
+                      const categoryData = mapping?.[valueStr];
+                      const displayLabel = categoryData?.label || valueStr;
+                      const displayColor = categoryData?.color;
+                      
+                      // 색상이 있고 "none"이 아닌 경우에만 배지로 표시
+                      if (displayColor && displayColor !== "none") {
+                        displayValue = (
+                          <Badge
+                            style={{
+                              backgroundColor: displayColor,
+                              borderColor: displayColor,
+                            }}
+                            className="text-white"
+                          >
+                            {displayLabel}
+                          </Badge>
+                        );
+                      } else {
+                        // 배지 없음: 일반 텍스트로 표시
+                        displayValue = displayLabel;
+                      }
+                    }
+                    
+                    return (
+                      <div key={key} className="bg-muted rounded-lg p-3">
+                        <div className="text-xs font-medium text-muted-foreground uppercase tracking-wide mb-1">
+                          {getColumnLabel(key)}
+                        </div>
+                        <div className="text-sm font-medium text-foreground break-words">
+                          {displayValue}
+                        </div>
                       </div>
-                      <div className="text-sm font-medium text-foreground break-words">
-                        {String(value)}
-                      </div>
-                    </div>
-                  ))
+                    );
+                  })
                 }
               </div>
               
diff --git a/frontend/lib/registry/components/card-display/CardDisplayConfigPanel.tsx b/frontend/lib/registry/components/card-display/CardDisplayConfigPanel.tsx
index dc993238..beff4783 100644
--- a/frontend/lib/registry/components/card-display/CardDisplayConfigPanel.tsx
+++ b/frontend/lib/registry/components/card-display/CardDisplayConfigPanel.tsx
@@ -277,6 +277,37 @@ export const CardDisplayConfigPanel: React.FC<CardDisplayConfigPanelProps> = ({
               액션 버튼 표시
             </label>
           </div>
+
+          {/* 개별 버튼 설정 (액션 버튼이 활성화된 경우에만 표시) */}
+          {(config.cardStyle?.showActions ?? true) && (
+            <div className="ml-4 space-y-2 border-l-2 border-gray-200 pl-3">
+              <div className="flex items-center space-x-2">
+                <input
+                  type="checkbox"
+                  id="showViewButton"
+                  checked={config.cardStyle?.showViewButton ?? true}
+                  onChange={(e) => handleNestedChange("cardStyle.showViewButton", e.target.checked)}
+                  className="rounded border-gray-300"
+                />
+                <label htmlFor="showViewButton" className="text-xs text-gray-600">
+                  상세보기 버튼
+                </label>
+              </div>
+
+              <div className="flex items-center space-x-2">
+                <input
+                  type="checkbox"
+                  id="showEditButton"
+                  checked={config.cardStyle?.showEditButton ?? true}
+                  onChange={(e) => handleNestedChange("cardStyle.showEditButton", e.target.checked)}
+                  className="rounded border-gray-300"
+                />
+                <label htmlFor="showEditButton" className="text-xs text-gray-600">
+                  편집 버튼
+                </label>
+              </div>
+            </div>
+          )}
         </div>
 
         <div>
diff --git a/frontend/lib/registry/components/card-display/types.ts b/frontend/lib/registry/components/card-display/types.ts
index c711125a..7154eb72 100644
--- a/frontend/lib/registry/components/card-display/types.ts
+++ b/frontend/lib/registry/components/card-display/types.ts
@@ -13,7 +13,9 @@ export interface CardStyleConfig {
   maxDescriptionLength?: number;
   imagePosition?: "top" | "left" | "right";
   imageSize?: "small" | "medium" | "large";
-  showActions?: boolean; // 액션 버튼 표시 여부
+  showActions?: boolean; // 액션 버튼 표시 여부 (전체)
+  showViewButton?: boolean; // 상세보기 버튼 표시 여부
+  showEditButton?: boolean; // 편집 버튼 표시 여부
 }
 
 /**
diff --git a/frontend/lib/registry/components/screen-split-panel/ScreenSplitPanelConfigPanel.tsx b/frontend/lib/registry/components/screen-split-panel/ScreenSplitPanelConfigPanel.tsx
index 1baab85c..b8a1d3dc 100644
--- a/frontend/lib/registry/components/screen-split-panel/ScreenSplitPanelConfigPanel.tsx
+++ b/frontend/lib/registry/components/screen-split-panel/ScreenSplitPanelConfigPanel.tsx
@@ -9,11 +9,13 @@ import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@
 import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Separator } from "@/components/ui/separator";
-import { Settings, Layout, ArrowRight, Database, Loader2, Check, ChevronsUpDown } from "lucide-react";
+import { Settings, Layout, ArrowRight, Database, Loader2, Check, ChevronsUpDown, Plus, Trash2, Link2 } from "lucide-react";
 import { screenApi } from "@/lib/api/screen";
+import { getTableColumns } from "@/lib/api/tableManagement";
 import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from "@/components/ui/command";
 import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover";
 import { cn } from "@/lib/utils";
+import type { ParentDataMapping, LinkedFilter } from "@/contexts/SplitPanelContext";
 
 interface ScreenSplitPanelConfigPanelProps {
   config: any;
@@ -29,6 +31,18 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
   const [leftOpen, setLeftOpen] = useState(false);
   const [rightOpen, setRightOpen] = useState(false);
 
+  // 좌측 화면의 테이블 컬럼 목록
+  const [leftScreenColumns, setLeftScreenColumns] = useState<Array<{ columnName: string; columnLabel: string }>>([]);
+  const [isLoadingLeftColumns, setIsLoadingLeftColumns] = useState(false);
+
+  // 우측 화면의 테이블 컬럼 목록 (테이블별로 그룹화)
+  const [rightScreenTables, setRightScreenTables] = useState<Array<{ 
+    tableName: string; 
+    screenName: string;
+    columns: Array<{ columnName: string; columnLabel: string }> 
+  }>>([]);
+  const [isLoadingRightColumns, setIsLoadingRightColumns] = useState(false);
+
   const [localConfig, setLocalConfig] = useState({
     screenId: config.screenId || 0,
     leftScreenId: config.leftScreenId || 0,
@@ -37,6 +51,8 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
     resizable: config.resizable ?? true,
     buttonLabel: config.buttonLabel || "데이터 전달",
     buttonPosition: config.buttonPosition || "center",
+    parentDataMapping: config.parentDataMapping || [] as ParentDataMapping[],
+    linkedFilters: config.linkedFilters || [] as LinkedFilter[],
     ...config,
   });
 
@@ -51,10 +67,165 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
       resizable: config.resizable ?? true,
       buttonLabel: config.buttonLabel || "데이터 전달",
       buttonPosition: config.buttonPosition || "center",
+      parentDataMapping: config.parentDataMapping || [],
+      linkedFilters: config.linkedFilters || [],
       ...config,
     });
   }, [config]);
 
+  // 좌측 화면이 변경되면 해당 화면의 테이블 컬럼 로드
+  useEffect(() => {
+    const loadLeftScreenColumns = async () => {
+      if (!localConfig.leftScreenId) {
+        setLeftScreenColumns([]);
+        return;
+      }
+
+      try {
+        setIsLoadingLeftColumns(true);
+        
+        // 좌측 화면 정보 조회
+        const screenData = await screenApi.getScreen(localConfig.leftScreenId);
+        if (!screenData?.tableName) {
+          console.warn("좌측 화면에 테이블이 설정되지 않았습니다.");
+          setLeftScreenColumns([]);
+          return;
+        }
+
+        // 테이블 컬럼 조회
+        const columnsResponse = await getTableColumns(screenData.tableName);
+        if (columnsResponse.success && columnsResponse.data?.columns) {
+          const columns = columnsResponse.data.columns.map((col: any) => ({
+            columnName: col.column_name || col.columnName,
+            columnLabel: col.column_label || col.columnLabel || col.column_name || col.columnName,
+          }));
+          setLeftScreenColumns(columns);
+          console.log("📋 좌측 화면 컬럼 로드 완료:", columns.length);
+        }
+      } catch (error) {
+        console.error("좌측 화면 컬럼 로드 실패:", error);
+        setLeftScreenColumns([]);
+      } finally {
+        setIsLoadingLeftColumns(false);
+      }
+    };
+
+    loadLeftScreenColumns();
+  }, [localConfig.leftScreenId]);
+
+  // 우측 화면이 변경되면 해당 화면 및 임베드된 화면들의 테이블 컬럼 로드
+  useEffect(() => {
+    const loadRightScreenColumns = async () => {
+      if (!localConfig.rightScreenId) {
+        setRightScreenTables([]);
+        return;
+      }
+
+      try {
+        setIsLoadingRightColumns(true);
+        const tables: Array<{ tableName: string; screenName: string; columns: Array<{ columnName: string; columnLabel: string }> }> = [];
+        
+        // 우측 화면 정보 조회
+        const screenData = await screenApi.getScreen(localConfig.rightScreenId);
+        
+        // 1. 메인 화면의 테이블 (있는 경우)
+        if (screenData?.tableName) {
+          const columnsResponse = await getTableColumns(screenData.tableName);
+          if (columnsResponse.success && columnsResponse.data?.columns) {
+            tables.push({
+              tableName: screenData.tableName,
+              screenName: screenData.screenName || "메인 화면",
+              columns: columnsResponse.data.columns.map((col: any) => ({
+                columnName: col.column_name || col.columnName,
+                columnLabel: col.column_label || col.columnLabel || col.column_name || col.columnName,
+              })),
+            });
+          }
+        }
+
+        // 2. 레이아웃에서 임베드된 화면들의 테이블 찾기 (탭, 분할 패널 등)
+        const layoutData = await screenApi.getLayout(localConfig.rightScreenId);
+        const components = layoutData?.components || [];
+        
+        if (components.length > 0) {
+          const embeddedScreenIds = new Set<number>();
+          
+          // 컴포넌트에서 임베드된 화면 ID 수집
+          const findEmbeddedScreens = (comps: any[]) => {
+            for (const comp of comps) {
+              const config = comp.componentConfig || {};
+              
+              // TabsWidget의 탭들
+              if (comp.componentType === "tabs-widget" && config.tabs) {
+                for (const tab of config.tabs) {
+                  if (tab.screenId) {
+                    embeddedScreenIds.add(tab.screenId);
+                    console.log("🔍 탭에서 화면 발견:", tab.screenId, tab.screenName);
+                  }
+                }
+              }
+              
+              // ScreenSplitPanel
+              if (comp.componentType === "screen-split-panel") {
+                if (config.leftScreenId) embeddedScreenIds.add(config.leftScreenId);
+                if (config.rightScreenId) embeddedScreenIds.add(config.rightScreenId);
+              }
+              
+              // EmbeddedScreen
+              if (comp.componentType === "embedded-screen" && config.screenId) {
+                embeddedScreenIds.add(config.screenId);
+              }
+              
+              // 중첩된 컴포넌트 검색
+              if (comp.children) {
+                findEmbeddedScreens(comp.children);
+              }
+            }
+          };
+          
+          findEmbeddedScreens(components);
+          console.log("📋 발견된 임베드 화면 ID:", Array.from(embeddedScreenIds));
+          
+          // 임베드된 화면들의 테이블 컬럼 로드
+          for (const embeddedScreenId of embeddedScreenIds) {
+            try {
+              const embeddedScreen = await screenApi.getScreen(embeddedScreenId);
+              if (embeddedScreen?.tableName) {
+                // 이미 추가된 테이블인지 확인
+                if (!tables.find(t => t.tableName === embeddedScreen.tableName)) {
+                  const columnsResponse = await getTableColumns(embeddedScreen.tableName);
+                  if (columnsResponse.success && columnsResponse.data?.columns) {
+                    tables.push({
+                      tableName: embeddedScreen.tableName,
+                      screenName: embeddedScreen.screenName || `화면 ${embeddedScreenId}`,
+                      columns: columnsResponse.data.columns.map((col: any) => ({
+                        columnName: col.column_name || col.columnName,
+                        columnLabel: col.column_label || col.columnLabel || col.column_name || col.columnName,
+                      })),
+                    });
+                    console.log("✅ 테이블 추가:", embeddedScreen.tableName);
+                  }
+                }
+              }
+            } catch (err) {
+              console.warn(`임베드된 화면 ${embeddedScreenId} 로드 실패:`, err);
+            }
+          }
+        }
+
+        setRightScreenTables(tables);
+        console.log("📋 우측 화면 테이블 로드 완료:", tables.map(t => t.tableName));
+      } catch (error) {
+        console.error("우측 화면 컬럼 로드 실패:", error);
+        setRightScreenTables([]);
+      } finally {
+        setIsLoadingRightColumns(false);
+      }
+    };
+
+    loadRightScreenColumns();
+  }, [localConfig.rightScreenId]);
+
   // 화면 목록 로드
   useEffect(() => {
     const loadScreens = async () => {
@@ -94,17 +265,77 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
     }
   };
 
+  // 부모 데이터 매핑 추가
+  const addParentDataMapping = () => {
+    const newMapping: ParentDataMapping = {
+      sourceColumn: "",
+      targetColumn: "",
+    };
+    const newMappings = [...(localConfig.parentDataMapping || []), newMapping];
+    updateConfig("parentDataMapping", newMappings);
+  };
+
+  // 부모 데이터 매핑 수정
+  const updateParentDataMapping = (index: number, field: keyof ParentDataMapping, value: string) => {
+    const newMappings = [...(localConfig.parentDataMapping || [])];
+    newMappings[index] = {
+      ...newMappings[index],
+      [field]: value,
+    };
+    updateConfig("parentDataMapping", newMappings);
+  };
+
+  // 부모 데이터 매핑 삭제
+  const removeParentDataMapping = (index: number) => {
+    const newMappings = (localConfig.parentDataMapping || []).filter((_: any, i: number) => i !== index);
+    updateConfig("parentDataMapping", newMappings);
+  };
+
+  // 연결 필터 추가
+  const addLinkedFilter = () => {
+    const newFilter: LinkedFilter = {
+      sourceColumn: "",
+      targetColumn: "",
+    };
+    const newFilters = [...(localConfig.linkedFilters || []), newFilter];
+    updateConfig("linkedFilters", newFilters);
+  };
+
+  // 연결 필터 수정
+  const updateLinkedFilter = (index: number, field: keyof LinkedFilter, value: string) => {
+    const newFilters = [...(localConfig.linkedFilters || [])];
+    newFilters[index] = {
+      ...newFilters[index],
+      [field]: value,
+    };
+    updateConfig("linkedFilters", newFilters);
+  };
+
+  // 연결 필터 삭제
+  const removeLinkedFilter = (index: number) => {
+    const newFilters = (localConfig.linkedFilters || []).filter((_: any, i: number) => i !== index);
+    updateConfig("linkedFilters", newFilters);
+  };
+
   return (
     <div className="space-y-4">
       <Tabs defaultValue="layout" className="w-full">
-        <TabsList className="grid w-full grid-cols-2">
-          <TabsTrigger value="layout" className="gap-2">
-            <Layout className="h-4 w-4" />
+        <TabsList className="grid w-full grid-cols-4">
+          <TabsTrigger value="layout" className="gap-1 text-xs">
+            <Layout className="h-3 w-3" />
             레이아웃
           </TabsTrigger>
-          <TabsTrigger value="screens" className="gap-2">
-            <Database className="h-4 w-4" />
-            화면 설정
+          <TabsTrigger value="screens" className="gap-1 text-xs">
+            <Database className="h-3 w-3" />
+            화면
+          </TabsTrigger>
+          <TabsTrigger value="linkedFilter" className="gap-1 text-xs">
+            <Link2 className="h-3 w-3" />
+            연결필터
+          </TabsTrigger>
+          <TabsTrigger value="dataMapping" className="gap-1 text-xs">
+            <ArrowRight className="h-3 w-3" />
+            데이터전달
           </TabsTrigger>
         </TabsList>
 
@@ -295,7 +526,7 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
 
                   <div className="rounded-lg border border-amber-200 bg-amber-50 p-3 dark:border-amber-900 dark:bg-amber-950">
                     <p className="text-xs text-amber-800 dark:text-amber-200">
-                      💡 <strong>데이터 전달 방법:</strong> 좌측 화면에 테이블과 버튼을 배치하고, 버튼의 액션을
+                      데이터 전달 방법: 좌측 화면에 테이블과 버튼을 배치하고, 버튼의 액션을
                       "transferData"로 설정하세요.
                       <br />
                       버튼 설정에서 소스 컴포넌트(테이블), 타겟 화면, 필드 매핑을 지정할 수 있습니다.
@@ -306,6 +537,290 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
             </CardContent>
           </Card>
         </TabsContent>
+
+        {/* 연결 필터 탭 */}
+        <TabsContent value="linkedFilter" className="space-y-4">
+          <Card>
+            <CardHeader>
+              <CardTitle className="text-base">연결 필터</CardTitle>
+              <CardDescription className="text-xs">
+                좌측 화면에서 행을 선택하면, 우측 화면의 테이블이 자동으로 필터링됩니다.
+              </CardDescription>
+            </CardHeader>
+            <CardContent className="space-y-4">
+              {!localConfig.leftScreenId || !localConfig.rightScreenId ? (
+                <div className="rounded-lg border border-amber-200 bg-amber-50 p-3 dark:border-amber-900 dark:bg-amber-950">
+                  <p className="text-xs text-amber-800 dark:text-amber-200">
+                    먼저 "화면" 탭에서 좌측/우측 화면을 모두 선택하세요.
+                  </p>
+                </div>
+              ) : isLoadingLeftColumns || isLoadingRightColumns ? (
+                <div className="flex items-center justify-center py-4">
+                  <Loader2 className="text-muted-foreground h-5 w-5 animate-spin" />
+                  <span className="text-muted-foreground ml-2 text-xs">컬럼 정보 로딩 중...</span>
+                </div>
+              ) : leftScreenColumns.length === 0 || rightScreenTables.length === 0 ? (
+                <div className="rounded-lg border border-amber-200 bg-amber-50 p-3 dark:border-amber-900 dark:bg-amber-950">
+                  <p className="text-xs text-amber-800 dark:text-amber-200">
+                    {leftScreenColumns.length === 0 && "좌측 화면에 테이블이 설정되지 않았습니다. "}
+                    {rightScreenTables.length === 0 && "우측 화면에 테이블이 설정되지 않았습니다."}
+                  </p>
+                </div>
+              ) : (
+                <>
+                  {/* 연결 필터 설명 */}
+                  <div className="rounded-lg border border-blue-200 bg-blue-50 p-3 dark:border-blue-900 dark:bg-blue-950">
+                    <p className="text-xs text-blue-800 dark:text-blue-200">
+                      예: 좌측에서 설비를 선택하면 → 우측 점검항목이 해당 설비의 항목만 표시됩니다.
+                      <br />
+                      좌측 <code className="bg-blue-100 dark:bg-blue-900 px-1 rounded">equipment_code</code> → 
+                      우측 <code className="bg-blue-100 dark:bg-blue-900 px-1 rounded">equipment_code</code>
+                    </p>
+                  </div>
+
+                  {/* 필터 목록 */}
+                  <div className="space-y-3">
+                    {(localConfig.linkedFilters || []).map((filter: LinkedFilter, index: number) => (
+                      <div key={index} className="rounded-lg border bg-gray-50 p-3 dark:bg-gray-900">
+                        <div className="mb-2 flex items-center justify-between">
+                          <span className="text-xs font-medium text-gray-700">필터 #{index + 1}</span>
+                          <Button
+                            variant="ghost"
+                            size="sm"
+                            onClick={() => removeLinkedFilter(index)}
+                            className="h-6 w-6 p-0 text-red-500 hover:bg-red-50 hover:text-red-600"
+                          >
+                            <Trash2 className="h-3 w-3" />
+                          </Button>
+                        </div>
+                        <div className="space-y-2">
+                          <div>
+                            <Label className="text-xs text-gray-600">소스 컬럼 (좌측 화면)</Label>
+                            <Select
+                              value={filter.sourceColumn}
+                              onValueChange={(value) => updateLinkedFilter(index, "sourceColumn", value)}
+                            >
+                              <SelectTrigger className="h-8 text-xs">
+                                <SelectValue placeholder="컬럼 선택" />
+                              </SelectTrigger>
+                              <SelectContent>
+                                {leftScreenColumns.map((col) => (
+                                  <SelectItem key={col.columnName} value={col.columnName} className="text-xs">
+                                    {col.columnLabel} ({col.columnName})
+                                  </SelectItem>
+                                ))}
+                              </SelectContent>
+                            </Select>
+                          </div>
+                          <div className="flex justify-center">
+                            <ArrowRight className="h-4 w-4 rotate-90 text-gray-400" />
+                          </div>
+                          <div>
+                            <Label className="text-xs text-gray-600">타겟 컬럼 (우측 화면 필터)</Label>
+                            <Select
+                              value={filter.targetColumn}
+                              onValueChange={(value) => updateLinkedFilter(index, "targetColumn", value)}
+                            >
+                              <SelectTrigger className="h-8 text-xs">
+                                <SelectValue placeholder="테이블.컬럼 선택" />
+                              </SelectTrigger>
+                              <SelectContent>
+                                {rightScreenTables.map((table) => (
+                                  <React.Fragment key={table.tableName}>
+                                    <div className="px-2 py-1.5 text-xs font-semibold text-gray-500 bg-gray-100 dark:bg-gray-800">
+                                      {table.screenName} ({table.tableName})
+                                    </div>
+                                    {table.columns.map((col) => (
+                                      <SelectItem 
+                                        key={`${table.tableName}.${col.columnName}`} 
+                                        value={`${table.tableName}.${col.columnName}`}
+                                        className="text-xs"
+                                      >
+                                        {col.columnLabel} ({col.columnName})
+                                      </SelectItem>
+                                    ))}
+                                  </React.Fragment>
+                                ))}
+                              </SelectContent>
+                            </Select>
+                          </div>
+                        </div>
+                      </div>
+                    ))}
+                  </div>
+
+                  {/* 추가 버튼 */}
+                  <Button
+                    variant="outline"
+                    size="sm"
+                    onClick={addLinkedFilter}
+                    className="w-full text-xs"
+                  >
+                    <Plus className="mr-2 h-3 w-3" />
+                    연결 필터 추가
+                  </Button>
+
+                  {/* 현재 설정 표시 */}
+                  <Separator />
+                  <div className="text-xs text-muted-foreground">
+                    {(localConfig.linkedFilters || []).length > 0
+                      ? `${localConfig.linkedFilters.length}개 필터 설정됨`
+                      : "필터 없음 - 우측 화면에 모든 데이터가 표시됩니다"}
+                  </div>
+                </>
+              )}
+            </CardContent>
+          </Card>
+        </TabsContent>
+
+        {/* 데이터 전달 탭 */}
+        <TabsContent value="dataMapping" className="space-y-4">
+          <Card>
+            <CardHeader>
+              <CardTitle className="text-base">부모 데이터 자동 전달</CardTitle>
+              <CardDescription className="text-xs">
+                좌측 화면에서 행을 선택하면, 우측 화면의 추가/저장 시 지정된 컬럼 값이 자동으로 포함됩니다.
+              </CardDescription>
+            </CardHeader>
+            <CardContent className="space-y-4">
+              {!localConfig.leftScreenId || !localConfig.rightScreenId ? (
+                <div className="rounded-lg border border-amber-200 bg-amber-50 p-3 dark:border-amber-900 dark:bg-amber-950">
+                  <p className="text-xs text-amber-800 dark:text-amber-200">
+                    먼저 "화면 설정" 탭에서 좌측/우측 화면을 모두 선택하세요.
+                  </p>
+                </div>
+              ) : isLoadingLeftColumns || isLoadingRightColumns ? (
+                <div className="flex items-center justify-center py-4">
+                  <Loader2 className="text-muted-foreground h-5 w-5 animate-spin" />
+                  <span className="text-muted-foreground ml-2 text-xs">컬럼 정보 로딩 중...</span>
+                </div>
+              ) : leftScreenColumns.length === 0 || rightScreenTables.length === 0 ? (
+                <div className="rounded-lg border border-amber-200 bg-amber-50 p-3 dark:border-amber-900 dark:bg-amber-950">
+                  <p className="text-xs text-amber-800 dark:text-amber-200">
+                    {leftScreenColumns.length === 0 && "좌측 화면에 테이블이 설정되지 않았습니다. "}
+                    {rightScreenTables.length === 0 && "우측 화면에 테이블이 설정되지 않았습니다."}
+                  </p>
+                </div>
+              ) : (
+                <>
+                  {/* 우측 화면 테이블 목록 표시 */}
+                  <div className="rounded-lg border border-green-200 bg-green-50 p-3 dark:border-green-900 dark:bg-green-950">
+                    <p className="text-xs font-medium text-green-800 dark:text-green-200 mb-1">
+                      우측 화면에서 감지된 테이블 ({rightScreenTables.length}개):
+                    </p>
+                    <ul className="text-xs text-green-700 dark:text-green-300 space-y-0.5">
+                      {rightScreenTables.map((table) => (
+                        <li key={table.tableName}>• {table.screenName}: <code className="bg-green-100 dark:bg-green-900 px-1 rounded">{table.tableName}</code></li>
+                      ))}
+                    </ul>
+                  </div>
+
+                  {/* 매핑 목록 */}
+                  <div className="space-y-3">
+                    {(localConfig.parentDataMapping || []).map((mapping: ParentDataMapping, index: number) => (
+                      <div key={index} className="rounded-lg border bg-gray-50 p-3 dark:bg-gray-900">
+                        <div className="mb-2 flex items-center justify-between">
+                          <span className="text-xs font-medium text-gray-700">매핑 #{index + 1}</span>
+                          <Button
+                            variant="ghost"
+                            size="sm"
+                            onClick={() => removeParentDataMapping(index)}
+                            className="h-6 w-6 p-0 text-red-500 hover:bg-red-50 hover:text-red-600"
+                          >
+                            <Trash2 className="h-3 w-3" />
+                          </Button>
+                        </div>
+                        <div className="space-y-2">
+                          <div>
+                            <Label className="text-xs text-gray-600">소스 컬럼 (좌측 화면)</Label>
+                            <Select
+                              value={mapping.sourceColumn}
+                              onValueChange={(value) => updateParentDataMapping(index, "sourceColumn", value)}
+                            >
+                              <SelectTrigger className="h-8 text-xs">
+                                <SelectValue placeholder="컬럼 선택" />
+                              </SelectTrigger>
+                              <SelectContent>
+                                {leftScreenColumns.map((col) => (
+                                  <SelectItem key={col.columnName} value={col.columnName} className="text-xs">
+                                    {col.columnLabel} ({col.columnName})
+                                  </SelectItem>
+                                ))}
+                              </SelectContent>
+                            </Select>
+                          </div>
+                          <div className="flex justify-center">
+                            <ArrowRight className="h-4 w-4 rotate-90 text-gray-400" />
+                          </div>
+                          <div>
+                            <Label className="text-xs text-gray-600">타겟 컬럼 (우측 화면)</Label>
+                            <Select
+                              value={mapping.targetColumn}
+                              onValueChange={(value) => updateParentDataMapping(index, "targetColumn", value)}
+                            >
+                              <SelectTrigger className="h-8 text-xs">
+                                <SelectValue placeholder="테이블.컬럼 선택" />
+                              </SelectTrigger>
+                              <SelectContent>
+                                {rightScreenTables.map((table) => (
+                                  <React.Fragment key={table.tableName}>
+                                    <div className="px-2 py-1.5 text-xs font-semibold text-gray-500 bg-gray-100 dark:bg-gray-800">
+                                      {table.screenName} ({table.tableName})
+                                    </div>
+                                    {table.columns.map((col) => (
+                                      <SelectItem 
+                                        key={`${table.tableName}.${col.columnName}`} 
+                                        value={col.columnName} 
+                                        className="text-xs pl-4"
+                                      >
+                                        {col.columnLabel} ({col.columnName})
+                                      </SelectItem>
+                                    ))}
+                                  </React.Fragment>
+                                ))}
+                              </SelectContent>
+                            </Select>
+                          </div>
+                        </div>
+                      </div>
+                    ))}
+                  </div>
+
+                  {/* 매핑 추가 버튼 */}
+                  <Button
+                    variant="outline"
+                    size="sm"
+                    onClick={addParentDataMapping}
+                    className="w-full"
+                  >
+                    <Plus className="mr-2 h-4 w-4" />
+                    매핑 추가
+                  </Button>
+
+                  {/* 자동 매핑 안내 */}
+                  <div className="rounded-lg border border-green-200 bg-green-50 p-3 dark:border-green-900 dark:bg-green-950">
+                    <p className="text-xs text-green-800 dark:text-green-200">
+                      <strong>자동 매핑:</strong> 좌측에서 선택한 데이터의 모든 컬럼이 우측 화면에 자동 전달됩니다.
+                      <br />
+                      동일한 컬럼명(예: equipment_code)이 있으면 별도 설정 없이 자동으로 매핑됩니다.
+                    </p>
+                  </div>
+
+                  {/* 수동 매핑 안내 */}
+                  <div className="rounded-lg border border-blue-200 bg-blue-50 p-3 dark:border-blue-900 dark:bg-blue-950">
+                    <p className="text-xs text-blue-800 dark:text-blue-200">
+                      <strong>수동 매핑 (선택사항):</strong>
+                      <br />
+                      컬럼명이 다른 경우에만 위에서 매핑을 추가하세요.
+                      <br />
+                      예: 좌측 <code className="bg-blue-100 px-1 rounded">user_id</code> → 우측 <code className="bg-blue-100 px-1 rounded">created_by</code>
+                    </p>
+                  </div>
+                </>
+              )}
+            </CardContent>
+          </Card>
+        </TabsContent>
       </Tabs>
 
       {/* 설정 요약 */}
@@ -343,6 +858,14 @@ export function ScreenSplitPanelConfigPanel({ config = {}, onChange }: ScreenSpl
               <span className="text-muted-foreground">크기 조절:</span>
               <span className="font-medium">{localConfig.resizable ? "가능" : "불가능"}</span>
             </div>
+            <div className="flex justify-between">
+              <span className="text-muted-foreground">데이터 매핑:</span>
+              <span className="font-medium">
+                {(localConfig.parentDataMapping || []).length > 0
+                  ? `${localConfig.parentDataMapping.length}개 설정`
+                  : "미설정"}
+              </span>
+            </div>
           </div>
         </CardContent>
       </Card>
diff --git a/frontend/lib/registry/components/select-basic/SelectBasicComponent.tsx b/frontend/lib/registry/components/select-basic/SelectBasicComponent.tsx
index d4ad416e..f19fafdc 100644
--- a/frontend/lib/registry/components/select-basic/SelectBasicComponent.tsx
+++ b/frontend/lib/registry/components/select-basic/SelectBasicComponent.tsx
@@ -732,16 +732,16 @@ const SelectBasicComponent: React.FC<SelectBasicComponentProps> = ({
                 <div className="bg-white px-3 py-2 text-gray-900">로딩 중...</div>
               ) : allOptions.length > 0 ? (
                 allOptions.map((option, index) => {
-                  const isSelected = selectedValues.includes(option.value);
+                  const isOptionSelected = selectedValues.includes(option.value);
                   return (
                     <div
                       key={`${option.value}-${index}`}
                       className={cn(
                         "cursor-pointer px-3 py-2 text-gray-900 hover:bg-gray-100",
-                        isSelected && "bg-blue-50 font-medium"
+                        isOptionSelected && "bg-blue-50 font-medium"
                       )}
                       onClick={() => {
-                        const newVals = isSelected
+                        const newVals = isOptionSelected
                           ? selectedValues.filter((v) => v !== option.value)
                           : [...selectedValues, option.value];
                         setSelectedValues(newVals);
@@ -754,9 +754,21 @@ const SelectBasicComponent: React.FC<SelectBasicComponentProps> = ({
                       <div className="flex items-center gap-2">
                         <input
                           type="checkbox"
-                          checked={isSelected}
-                          onChange={() => {}}
-                          className="h-4 w-4"
+                          checked={isOptionSelected}
+                          value={option.value}
+                          onChange={(e) => {
+                            // 체크박스 직접 클릭 시에도 올바른 값으로 처리
+                            e.stopPropagation();
+                            const newVals = isOptionSelected
+                              ? selectedValues.filter((v) => v !== option.value)
+                              : [...selectedValues, option.value];
+                            setSelectedValues(newVals);
+                            const newValue = newVals.join(",");
+                            if (isInteractive && onFormDataChange && component.columnName) {
+                              onFormDataChange(component.columnName, newValue);
+                            }
+                          }}
+                          className="h-4 w-4 pointer-events-auto"
                         />
                         <span>{option.label || option.value}</span>
                       </div>
diff --git a/frontend/lib/registry/components/table-list/TableListComponent.tsx b/frontend/lib/registry/components/table-list/TableListComponent.tsx
index 411e7b78..261fa108 100644
--- a/frontend/lib/registry/components/table-list/TableListComponent.tsx
+++ b/frontend/lib/registry/components/table-list/TableListComponent.tsx
@@ -1075,7 +1075,68 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
       const sortBy = sortColumn || undefined;
       const sortOrder = sortDirection;
       const search = searchTerm || undefined;
-      const filters = Object.keys(searchValues).length > 0 ? searchValues : undefined;
+      
+      // 🆕 연결 필터 값 가져오기 (분할 패널 내부일 때)
+      let linkedFilterValues: Record<string, any> = {};
+      let hasLinkedFiltersConfigured = false; // 연결 필터가 설정되어 있는지 여부
+      let hasSelectedLeftData = false; // 좌측에서 데이터가 선택되었는지 여부
+      
+      console.log("🔍 [TableList] 분할 패널 컨텍스트 확인:", {
+        hasSplitPanelContext: !!splitPanelContext,
+        tableName: tableConfig.selectedTable,
+        selectedLeftData: splitPanelContext?.selectedLeftData,
+        linkedFilters: splitPanelContext?.linkedFilters,
+      });
+      
+      if (splitPanelContext) {
+        // 연결 필터 설정 여부 확인 (현재 테이블에 해당하는 필터가 있는지)
+        const linkedFiltersConfig = splitPanelContext.linkedFilters || [];
+        hasLinkedFiltersConfigured = linkedFiltersConfig.some(
+          (filter) => filter.targetColumn?.startsWith(tableConfig.selectedTable + ".") ||
+                      filter.targetColumn === tableConfig.selectedTable
+        );
+        
+        // 좌측 데이터 선택 여부 확인
+        hasSelectedLeftData = splitPanelContext.selectedLeftData && 
+                              Object.keys(splitPanelContext.selectedLeftData).length > 0;
+        
+        const allLinkedFilters = splitPanelContext.getLinkedFilterValues();
+        console.log("🔗 [TableList] 연결 필터 원본:", allLinkedFilters);
+        
+        // 현재 테이블에 해당하는 필터만 추출 (테이블명.컬럼명 형식에서)
+        for (const [key, value] of Object.entries(allLinkedFilters)) {
+          if (key.includes(".")) {
+            const [tableName, columnName] = key.split(".");
+            if (tableName === tableConfig.selectedTable) {
+              linkedFilterValues[columnName] = value;
+              hasLinkedFiltersConfigured = true; // 이 테이블에 대한 필터가 있음
+            }
+          } else {
+            // 테이블명 없이 컬럼명만 있는 경우 그대로 사용
+            linkedFilterValues[key] = value;
+          }
+        }
+        if (Object.keys(linkedFilterValues).length > 0) {
+          console.log("🔗 [TableList] 연결 필터 적용:", linkedFilterValues);
+        }
+      }
+      
+      // 🆕 연결 필터가 설정되어 있지만 좌측에서 데이터가 선택되지 않은 경우
+      // → 빈 데이터 표시 (모든 데이터를 보여주지 않음)
+      if (hasLinkedFiltersConfigured && !hasSelectedLeftData) {
+        console.log("⚠️ [TableList] 연결 필터 설정됨 but 좌측 데이터 미선택 → 빈 데이터 표시");
+        setData([]);
+        setTotalItems(0);
+        setLoading(false);
+        return;
+      }
+      
+      // 검색 필터와 연결 필터 병합
+      const filters = {
+        ...(Object.keys(searchValues).length > 0 ? searchValues : {}),
+        ...linkedFilterValues,
+      };
+      const hasFilters = Object.keys(filters).length > 0;
 
       // 🆕 REST API 데이터 소스 처리
       const isRestApiTable = tableConfig.selectedTable.startsWith("restapi_") || tableConfig.selectedTable.startsWith("_restapi_");
@@ -1122,18 +1183,25 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
             referenceTable: col.additionalJoinInfo!.referenceTable,
           }));
 
-        // 🎯 항상 entityJoinApi 사용 (writer 컬럼 자동 조인 지원)
-        response = await entityJoinApi.getTableDataWithJoins(tableConfig.selectedTable, {
-          page,
-          size: pageSize,
-          sortBy,
-          sortOrder,
-          search: filters,
-          enableEntityJoin: true,
-          additionalJoinColumns: entityJoinColumns.length > 0 ? entityJoinColumns : undefined,
-          dataFilter: tableConfig.dataFilter, // 🆕 데이터 필터 전달
-        });
-      }
+      // console.log("🔍 [TableList] API 호출 시작", {
+      //   tableName: tableConfig.selectedTable,
+      //   page,
+      //   pageSize,
+      //   sortBy,
+      //   sortOrder,
+      // });
+
+      // 🎯 항상 entityJoinApi 사용 (writer 컬럼 자동 조인 지원)
+      response = await entityJoinApi.getTableDataWithJoins(tableConfig.selectedTable, {
+        page,
+        size: pageSize,
+        sortBy,
+        sortOrder,
+        search: hasFilters ? filters : undefined,
+        enableEntityJoin: true,
+        additionalJoinColumns: entityJoinColumns.length > 0 ? entityJoinColumns : undefined,
+        dataFilter: tableConfig.dataFilter, // 🆕 데이터 필터 전달
+      });
 
       // 실제 데이터의 item_number만 추출하여 중복 확인
       const itemNumbers = (response.data || []).map((item: any) => item.item_number);
@@ -1173,6 +1241,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
           totalItems: response.total || 0,
         }
       );
+      }
     } catch (err: any) {
       console.error("데이터 가져오기 실패:", err);
       setData([]);
@@ -1193,6 +1262,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
     searchTerm,
     searchValues,
     isDesignMode,
+    splitPanelContext?.selectedLeftData, // 🆕 연결 필터 변경 시 재조회
   ]);
 
   const fetchTableDataDebounced = useCallback(
@@ -1495,6 +1565,22 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
 
     handleRowSelection(rowKey, !isCurrentlySelected);
 
+    // 🆕 분할 패널 컨텍스트에 선택된 데이터 저장 (좌측 화면인 경우)
+    if (splitPanelContext && splitPanelPosition === "left") {
+      if (!isCurrentlySelected) {
+        // 선택된 경우: 데이터 저장
+        splitPanelContext.setSelectedLeftData(row);
+        console.log("🔗 [TableList] 분할 패널 좌측 데이터 저장:", {
+          row,
+          parentDataMapping: splitPanelContext.parentDataMapping,
+        });
+      } else {
+        // 선택 해제된 경우: 데이터 초기화
+        splitPanelContext.setSelectedLeftData(null);
+        console.log("🔗 [TableList] 분할 패널 좌측 데이터 초기화");
+      }
+    }
+
     console.log("행 클릭:", { row, index, isSelected: !isCurrentlySelected });
   };
 
@@ -2140,6 +2226,7 @@ export const TableListComponent: React.FC<TableListComponentProps> = ({
     refreshKey,
     refreshTrigger, // 강제 새로고침 트리거
     isDesignMode,
+    splitPanelContext?.selectedLeftData, // 🆕 좌측 데이터 선택 변경 시 데이터 새로고침
     // fetchTableDataDebounced 제거: useCallback 재생성으로 인한 무한 루프 방지
   ]);
 
diff --git a/frontend/lib/utils/buttonActions.ts b/frontend/lib/utils/buttonActions.ts
index 235946ce..522f8651 100644
--- a/frontend/lib/utils/buttonActions.ts
+++ b/frontend/lib/utils/buttonActions.ts
@@ -261,6 +261,9 @@ export interface ButtonActionContext {
 
   // 🆕 컴포넌트별 설정 (parentDataMapping 등)
   componentConfigs?: Record<string, any>; // 컴포넌트 ID → 컴포넌트 설정
+  
+  // 🆕 분할 패널 부모 데이터 (좌측 화면에서 선택된 데이터)
+  splitPanelParentData?: Record<string, any>;
 }
 
 /**
@@ -561,8 +564,7 @@ export class ButtonActionExecutor {
           // });
 
           // 🎯 채번 규칙 할당 처리 (저장 시점에 실제 순번 증가)
-          // console.log("🔍 채번 규칙 할당 체크 시작");
-          // console.log("📦 현재 formData:", JSON.stringify(formData, null, 2));
+          console.log("🔍 채번 규칙 할당 체크 시작");
 
           const fieldsWithNumbering: Record<string, string> = {};
 
@@ -571,26 +573,49 @@ export class ButtonActionExecutor {
             if (key.endsWith("_numberingRuleId") && value) {
               const fieldName = key.replace("_numberingRuleId", "");
               fieldsWithNumbering[fieldName] = value as string;
-              // console.log(`🎯 발견: ${fieldName} → 규칙 ${value}`);
+              console.log(`🎯 발견: ${fieldName} → 규칙 ${value}`);
             }
           }
 
-          // console.log("📋 채번 규칙이 설정된 필드:", fieldsWithNumbering);
-          // console.log("📊 필드 개수:", Object.keys(fieldsWithNumbering).length);
+          console.log("📋 채번 규칙이 설정된 필드:", fieldsWithNumbering);
+          console.log("📊 필드 개수:", Object.keys(fieldsWithNumbering).length);
 
-          // 사용자 입력 값 유지 (재할당하지 않음)
-          // 채번 규칙은 TextInputComponent 마운트 시 이미 생성되었으므로
-          // 저장 시점에는 사용자가 수정한 값을 그대로 사용
+          // 🔥 저장 시점에 allocateCode 호출하여 실제 순번 증가
           if (Object.keys(fieldsWithNumbering).length > 0) {
-            console.log("ℹ️ 채번 규칙 필드 감지:", Object.keys(fieldsWithNumbering));
-            console.log("ℹ️ 사용자 입력 값 유지 (재할당 하지 않음)");
+            console.log("🎯 채번 규칙 할당 시작 (allocateCode 호출)");
+            const { allocateNumberingCode } = await import("@/lib/api/numberingRule");
+            
+            for (const [fieldName, ruleId] of Object.entries(fieldsWithNumbering)) {
+              try {
+                console.log(`🔄 ${fieldName} 필드에 대해 allocateCode 호출: ${ruleId}`);
+                const allocateResult = await allocateNumberingCode(ruleId);
+                
+                if (allocateResult.success && allocateResult.data?.generatedCode) {
+                  const newCode = allocateResult.data.generatedCode;
+                  console.log(`✅ ${fieldName} 새 코드 할당: ${formData[fieldName]} → ${newCode}`);
+                  formData[fieldName] = newCode;
+                } else {
+                  console.warn(`⚠️ ${fieldName} 코드 할당 실패, 기존 값 유지:`, allocateResult.error);
+                }
+              } catch (allocateError) {
+                console.error(`❌ ${fieldName} 코드 할당 오류:`, allocateError);
+                // 오류 시 기존 값 유지
+              }
+            }
           }
 
-          // console.log("✅ 채번 규칙 할당 완료");
-          // console.log("📦 최종 formData:", JSON.stringify(formData, null, 2));
+          console.log("✅ 채번 규칙 할당 완료");
+          console.log("📦 최종 formData:", JSON.stringify(formData, null, 2));
+
+          // 🆕 분할 패널 부모 데이터 병합 (좌측 화면에서 선택된 데이터)
+          const splitPanelData = context.splitPanelParentData || {};
+          if (Object.keys(splitPanelData).length > 0) {
+            console.log("🔗 [handleSave] 분할 패널 부모 데이터 병합:", splitPanelData);
+          }
 
           const dataWithUserInfo = {
-            ...formData,
+            ...splitPanelData, // 분할 패널 부모 데이터 먼저 적용
+            ...formData, // 폼 데이터가 우선 (덮어쓰기 가능)
             writer: formData.writer || writerValue, // ✅ 입력값 우선, 없으면 userId
             created_by: writerValue, // created_by는 항상 로그인한 사람
             updated_by: writerValue, // updated_by는 항상 로그인한 사람
@@ -1316,6 +1341,7 @@ export class ButtonActionExecutor {
       // 🆕 선택된 행 데이터 수집
       const selectedData = context.selectedRowsData || [];
       console.log("📦 [handleModal] 선택된 데이터:", selectedData);
+      console.log("📦 [handleModal] 분할 패널 부모 데이터:", context.splitPanelParentData);
 
       // 전역 모달 상태 업데이트를 위한 이벤트 발생
       const modalEvent = new CustomEvent("openScreenModal", {
@@ -1327,6 +1353,8 @@ export class ButtonActionExecutor {
           // 🆕 선택된 행 데이터 전달
           selectedData: selectedData,
           selectedIds: selectedData.map((row: any) => row.id).filter(Boolean),
+          // 🆕 분할 패널 부모 데이터 전달 (탭 안 모달에서 사용)
+          splitPanelParentData: context.splitPanelParentData || {},
         },
       });
 
diff --git a/frontend/types/flow.ts b/frontend/types/flow.ts
index 4e29fd5b..9cfa1eb2 100644
--- a/frontend/types/flow.ts
+++ b/frontend/types/flow.ts
@@ -33,6 +33,28 @@ export interface FlowConditionGroup {
   conditions: FlowCondition[];
 }
 
+// ============================================
+// 다중 REST API 연결 설정
+// ============================================
+export interface RestApiConnectionConfig {
+  connectionId: number;
+  connectionName: string;
+  endpoint: string;
+  jsonPath: string;
+  alias: string; // 컬럼 접두어 (예: "api1_")
+}
+
+// ============================================
+// 다중 외부 DB 연결 설정
+// ============================================
+export interface ExternalDbConnectionConfig {
+  connectionId: number;
+  connectionName: string;
+  dbType: string;
+  tableName: string;
+  alias: string; // 컬럼 접두어 (예: "db1_")
+}
+
 // ============================================
 // 플로우 정의
 // ============================================
@@ -41,6 +63,17 @@ export interface FlowDefinition {
   name: string;
   description?: string;
   tableName: string;
+  // 데이터 소스 관련
+  dbSourceType?: "internal" | "external" | "restapi" | "multi_restapi" | "multi_external_db";
+  dbConnectionId?: number;
+  // REST API 관련 (단일)
+  restApiConnectionId?: number;
+  restApiEndpoint?: string;
+  restApiJsonPath?: string;
+  // 다중 REST API 관련
+  restApiConnections?: RestApiConnectionConfig[];
+  // 다중 외부 DB 관련
+  externalDbConnections?: ExternalDbConnectionConfig[];
   isActive: boolean;
   createdAt: string;
   updatedAt: string;
@@ -53,12 +86,16 @@ export interface CreateFlowDefinitionRequest {
   description?: string;
   tableName: string;
   // 데이터 소스 관련
-  dbSourceType?: "internal" | "external" | "restapi";
+  dbSourceType?: "internal" | "external" | "restapi" | "multi_restapi" | "multi_external_db";
   dbConnectionId?: number;
-  // REST API 관련
+  // REST API 관련 (단일)
   restApiConnectionId?: number;
   restApiEndpoint?: string;
   restApiJsonPath?: string;
+  // 다중 REST API 관련
+  restApiConnections?: RestApiConnectionConfig[];
+  // 다중 외부 DB 관련
+  externalDbConnections?: ExternalDbConnectionConfig[];
 }
 
 export interface UpdateFlowDefinitionRequest {
diff --git a/frontend/types/flowExternalDb.ts b/frontend/types/flowExternalDb.ts
index daefe031..4d8469fe 100644
--- a/frontend/types/flowExternalDb.ts
+++ b/frontend/types/flowExternalDb.ts
@@ -126,7 +126,7 @@ export const OPERATION_OPTIONS = [
 export const INTEGRATION_TYPE_OPTIONS = [
   { value: "internal", label: "내부 DB (기본)" },
   { value: "external_db", label: "외부 DB 연동" },
-  { value: "rest_api", label: "REST API (추후 지원)" },
+  { value: "rest_api", label: "REST API 연동" },
   { value: "webhook", label: "Webhook (추후 지원)" },
   { value: "hybrid", label: "복합 연동 (추후 지원)" },
 ] as const;
diff --git a/화면_임베딩_및_데이터_전달_시스템_구현_계획서.md b/화면_임베딩_및_데이터_전달_시스템_구현_계획서.md
index 716d7f98..f8f84f1f 100644
--- a/화면_임베딩_및_데이터_전달_시스템_구현_계획서.md
+++ b/화면_임베딩_및_데이터_전달_시스템_구현_계획서.md
@@ -1678,3 +1678,4 @@ const 출고등록_설정: ScreenSplitPanel = {
 ## 결론
 
 화면 임베딩 및 데이터 전달 시스템은 복잡한 업무 워크플로우를 효율적으로 처리할 수 있는 강력한 기능입니다. 단계별로 체계적으로 구현하면 약 3.5개월 내에 완성할 수 있으며, 이를 통해 사용자 경험을 크게 향상시킬 수 있습니다.
+
diff --git a/화면_임베딩_시스템_Phase1-4_구현_완료.md b/화면_임베딩_시스템_Phase1-4_구현_완료.md
index c1880ef7..2a3e16de 100644
--- a/화면_임베딩_시스템_Phase1-4_구현_완료.md
+++ b/화면_임베딩_시스템_Phase1-4_구현_완료.md
@@ -525,3 +525,4 @@ const { data: config } = await getScreenSplitPanel(screenId);
 - ✅ 매핑 엔진 완성
 
 이제 입고 등록과 같은 복잡한 워크플로우를 구현할 수 있습니다. 다음 단계는 각 컴포넌트 타입별 DataReceivable 인터페이스 구현과 설정 UI 개발입니다.
+
diff --git a/화면_임베딩_시스템_충돌_분석_보고서.md b/화면_임베딩_시스템_충돌_분석_보고서.md
index 6cebf31e..7334e8b3 100644
--- a/화면_임베딩_시스템_충돌_분석_보고서.md
+++ b/화면_임베딩_시스템_충돌_분석_보고서.md
@@ -512,3 +512,4 @@ function ScreenViewPage() {
 **충돌 위험도: 낮음 (🟢)**
 
 새로운 시스템은 기존 시스템과 **독립적으로 동작**하며, 최소한의 수정만으로 통합 가능합니다. 화면 페이지에 조건 분기만 추가하면 바로 사용할 수 있습니다.
+