diff --git a/frontend/components/screen/InteractiveScreenViewer.tsx b/frontend/components/screen/InteractiveScreenViewer.tsx
index fe041a70..f6912b0a 100644
--- a/frontend/components/screen/InteractiveScreenViewer.tsx
+++ b/frontend/components/screen/InteractiveScreenViewer.tsx
@@ -11,7 +11,20 @@ import { Popover, PopoverContent, PopoverTrigger } from "@/components/ui/popover
 import { CalendarIcon } from "lucide-react";
 import { format } from "date-fns";
 import { ko } from "date-fns/locale";
-import { ComponentData } from "@/types/screen";
+import {
+  ComponentData,
+  WidgetComponent,
+  TextTypeConfig,
+  NumberTypeConfig,
+  DateTypeConfig,
+  SelectTypeConfig,
+  RadioTypeConfig,
+  CheckboxTypeConfig,
+  TextareaTypeConfig,
+  FileTypeConfig,
+  CodeTypeConfig,
+  EntityTypeConfig,
+} from "@/types/screen";
 
 interface InteractiveScreenViewerProps {
   component: ComponentData;
@@ -78,192 +91,553 @@ export const InteractiveScreenViewer: React.FC<InteractiveScreenViewerProps> = (
     switch (widgetType) {
       case "text":
       case "email":
-      case "tel":
+      case "tel": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as TextTypeConfig | undefined;
+
+        console.log("📝 InteractiveScreenViewer - Text 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            format: config?.format,
+            minLength: config?.minLength,
+            maxLength: config?.maxLength,
+            pattern: config?.pattern,
+            placeholder: config?.placeholder,
+          },
+        });
+
+        // 형식별 패턴 생성
+        const getPatternByFormat = (format: string) => {
+          switch (format) {
+            case "korean":
+              return "[가-힣\\s]*";
+            case "english":
+              return "[a-zA-Z\\s]*";
+            case "alphanumeric":
+              return "[a-zA-Z0-9]*";
+            case "numeric":
+              return "[0-9]*";
+            case "email":
+              return "[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}";
+            case "phone":
+              return "\\d{3}-\\d{4}-\\d{4}";
+            case "url":
+              return "https?://[\\w\\-]+(\\.[\\w\\-]+)+([\\w\\-\\.,@?^=%&:/~\\+#]*[\\w\\-\\@?^=%&/~\\+#])?";
+            default:
+              return config?.pattern || undefined;
+          }
+        };
+
+        // 입력 검증 함수
+        const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+          const value = e.target.value;
+
+          // 형식별 실시간 검증
+          if (config?.format && config.format !== "none") {
+            const pattern = getPatternByFormat(config.format);
+            if (pattern) {
+              const regex = new RegExp(`^${pattern}$`);
+              if (value && !regex.test(value)) {
+                return; // 유효하지 않은 입력 차단
+              }
+            }
+          }
+
+          // 길이 제한 검증
+          if (config?.maxLength && value.length > config.maxLength) {
+            return; // 최대 길이 초과 차단
+          }
+
+          updateFormData(fieldName, value);
+        };
+
+        const finalPlaceholder = config?.placeholder || placeholder || "입력하세요...";
+        const inputType = widgetType === "email" ? "email" : widgetType === "tel" ? "tel" : "text";
+
         return applyStyles(
           <Input
-            type={widgetType === "email" ? "email" : widgetType === "tel" ? "tel" : "text"}
-            placeholder={placeholder || "입력하세요..."}
+            type={inputType}
+            placeholder={finalPlaceholder}
             value={currentValue}
-            onChange={(e) => updateFormData(fieldName, e.target.value)}
+            onChange={handleInputChange}
             disabled={readonly}
             required={required}
+            minLength={config?.minLength}
+            maxLength={config?.maxLength}
+            pattern={getPatternByFormat(config?.format || "none")}
             className="h-full w-full"
           />,
         );
+      }
 
       case "number":
-      case "decimal":
+      case "decimal": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as NumberTypeConfig | undefined;
+
+        console.log("🔢 InteractiveScreenViewer - Number 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            format: config?.format,
+            min: config?.min,
+            max: config?.max,
+            step: config?.step,
+            decimalPlaces: config?.decimalPlaces,
+            thousandSeparator: config?.thousandSeparator,
+            prefix: config?.prefix,
+            suffix: config?.suffix,
+          },
+        });
+
+        const step = config?.step || (widgetType === "decimal" ? 0.01 : 1);
+        const finalPlaceholder = config?.placeholder || placeholder || "숫자를 입력하세요...";
+
         return applyStyles(
           <Input
             type="number"
-            placeholder={placeholder || "숫자를 입력하세요..."}
+            placeholder={finalPlaceholder}
             value={currentValue}
             onChange={(e) => updateFormData(fieldName, e.target.valueAsNumber || 0)}
             disabled={readonly}
             required={required}
+            min={config?.min}
+            max={config?.max}
+            step={step}
             className="h-full w-full"
-            step={widgetType === "decimal" ? "0.01" : "1"}
           />,
         );
+      }
 
       case "textarea":
-      case "text_area":
+      case "text_area": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as TextareaTypeConfig | undefined;
+
+        console.log("📄 InteractiveScreenViewer - Textarea 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            rows: config?.rows,
+            maxLength: config?.maxLength,
+            minLength: config?.minLength,
+            placeholder: config?.placeholder,
+            defaultValue: config?.defaultValue,
+            resizable: config?.resizable,
+            wordWrap: config?.wordWrap,
+          },
+        });
+
+        const finalPlaceholder = config?.placeholder || placeholder || "내용을 입력하세요...";
+        const rows = config?.rows || 3;
+
         return applyStyles(
           <Textarea
-            placeholder={placeholder || "내용을 입력하세요..."}
-            value={currentValue}
+            placeholder={finalPlaceholder}
+            value={currentValue || config?.defaultValue || ""}
             onChange={(e) => updateFormData(fieldName, e.target.value)}
             disabled={readonly}
             required={required}
-            className="h-full w-full resize-none"
-            rows={3}
+            minLength={config?.minLength}
+            maxLength={config?.maxLength}
+            rows={rows}
+            className={`h-full w-full ${config?.resizable === false ? "resize-none" : ""}`}
+            style={{
+              whiteSpace: config?.wordWrap === false ? "nowrap" : "normal",
+            }}
           />,
         );
+      }
 
       case "select":
-      case "dropdown":
+      case "dropdown": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as SelectTypeConfig | undefined;
+
+        console.log("📋 InteractiveScreenViewer - Select 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            options: config?.options,
+            multiple: config?.multiple,
+            searchable: config?.searchable,
+            placeholder: config?.placeholder,
+            defaultValue: config?.defaultValue,
+          },
+        });
+
+        const finalPlaceholder = config?.placeholder || placeholder || "선택하세요...";
+        const options = config?.options || [
+          { label: "옵션 1", value: "option1" },
+          { label: "옵션 2", value: "option2" },
+          { label: "옵션 3", value: "option3" },
+        ];
+
         return applyStyles(
           <Select
-            value={currentValue}
+            value={currentValue || config?.defaultValue || ""}
             onValueChange={(value) => updateFormData(fieldName, value)}
             disabled={readonly}
             required={required}
           >
             <SelectTrigger className="h-full w-full">
-              <SelectValue placeholder={placeholder || "선택하세요..."} />
+              <SelectValue placeholder={finalPlaceholder} />
             </SelectTrigger>
             <SelectContent>
-              <SelectItem value="option1">옵션 1</SelectItem>
-              <SelectItem value="option2">옵션 2</SelectItem>
-              <SelectItem value="option3">옵션 3</SelectItem>
+              {options.map((option, index) => (
+                <SelectItem key={index} value={option.value} disabled={option.disabled}>
+                  {option.label}
+                </SelectItem>
+              ))}
             </SelectContent>
           </Select>,
         );
+      }
 
       case "checkbox":
-      case "boolean":
+      case "boolean": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as CheckboxTypeConfig | undefined;
+
+        console.log("☑️ InteractiveScreenViewer - Checkbox 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            defaultChecked: config?.defaultChecked,
+            labelPosition: config?.labelPosition,
+            checkboxText: config?.checkboxText,
+            trueValue: config?.trueValue,
+            falseValue: config?.falseValue,
+          },
+        });
+
+        const isChecked = currentValue === true || currentValue === "true" || config?.defaultChecked;
+        const checkboxText = config?.checkboxText || label || "확인";
+        const labelPosition = config?.labelPosition || "right";
+
         return applyStyles(
-          <div className="flex h-full w-full items-center space-x-2">
+          <div
+            className={`flex h-full w-full items-center space-x-2 ${labelPosition === "left" ? "flex-row-reverse" : ""}`}
+          >
             <Checkbox
               id={fieldName}
-              checked={currentValue === true || currentValue === "true"}
+              checked={isChecked}
               onCheckedChange={(checked) => updateFormData(fieldName, checked)}
               disabled={readonly}
               required={required}
             />
             <label htmlFor={fieldName} className="text-sm">
-              {label || "확인"}
+              {checkboxText}
             </label>
           </div>,
         );
+      }
+
+      case "radio": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as RadioTypeConfig | undefined;
+
+        console.log("🔘 InteractiveScreenViewer - Radio 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            options: config?.options,
+            defaultValue: config?.defaultValue,
+            layout: config?.layout,
+            allowNone: config?.allowNone,
+          },
+        });
+
+        const options = config?.options || [
+          { label: "옵션 1", value: "option1" },
+          { label: "옵션 2", value: "option2" },
+          { label: "옵션 3", value: "option3" },
+        ];
+
+        const layout = config?.layout || "vertical";
+        const selectedValue = currentValue || config?.defaultValue || "";
 
-      case "radio":
         return applyStyles(
-          <div className="h-full w-full space-y-2">
-            {["옵션 1", "옵션 2", "옵션 3"].map((option, index) => (
-              <div key={index} className="flex items-center space-x-2">
+          <div className={`h-full w-full ${layout === "horizontal" ? "flex flex-wrap gap-4" : "space-y-2"}`}>
+            {config?.allowNone && (
+              <div className="flex items-center space-x-2">
                 <input
                   type="radio"
-                  id={`${fieldName}_${index}`}
+                  id={`${fieldName}_none`}
                   name={fieldName}
-                  value={option}
-                  checked={currentValue === option}
+                  value=""
+                  checked={selectedValue === ""}
                   onChange={(e) => updateFormData(fieldName, e.target.value)}
                   disabled={readonly}
                   required={required}
                   className="h-4 w-4"
                 />
+                <label htmlFor={`${fieldName}_none`} className="text-sm">
+                  선택 안함
+                </label>
+              </div>
+            )}
+            {options.map((option, index) => (
+              <div key={index} className="flex items-center space-x-2">
+                <input
+                  type="radio"
+                  id={`${fieldName}_${index}`}
+                  name={fieldName}
+                  value={option.value}
+                  checked={selectedValue === option.value}
+                  onChange={(e) => updateFormData(fieldName, e.target.value)}
+                  disabled={readonly || option.disabled}
+                  required={required}
+                  className="h-4 w-4"
+                />
                 <label htmlFor={`${fieldName}_${index}`} className="text-sm">
-                  {option}
+                  {option.label}
                 </label>
               </div>
             ))}
           </div>,
         );
+      }
 
-      case "date":
-        const dateValue = dateValues[fieldName];
-        return applyStyles(
-          <Popover>
-            <PopoverTrigger asChild>
-              <Button
-                variant="outline"
-                className="h-full w-full justify-start text-left font-normal"
-                disabled={readonly}
-              >
-                <CalendarIcon className="mr-2 h-4 w-4" />
-                {dateValue ? format(dateValue, "PPP", { locale: ko }) : placeholder || "날짜를 선택하세요"}
-              </Button>
-            </PopoverTrigger>
-            <PopoverContent className="w-auto p-0">
-              <Calendar
-                mode="single"
-                selected={dateValue}
-                onSelect={(date) => updateDateValue(fieldName, date)}
-                initialFocus
-              />
-            </PopoverContent>
-          </Popover>,
-        );
+      case "date": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as DateTypeConfig | undefined;
+
+        console.log("📅 InteractiveScreenViewer - Date 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            format: config?.format,
+            showTime: config?.showTime,
+            defaultValue: config?.defaultValue,
+            minDate: config?.minDate,
+            maxDate: config?.maxDate,
+          },
+        });
+
+        const shouldShowTime = config?.showTime || config?.format?.includes("HH:mm");
+        const finalPlaceholder = config?.placeholder || placeholder || "날짜를 선택하세요";
+
+        if (shouldShowTime) {
+          // 시간 포함 날짜 입력
+          return applyStyles(
+            <Input
+              type="datetime-local"
+              placeholder={finalPlaceholder}
+              value={currentValue || config?.defaultValue || ""}
+              onChange={(e) => updateFormData(fieldName, e.target.value)}
+              disabled={readonly}
+              required={required}
+              min={config?.minDate}
+              max={config?.maxDate}
+              className="h-full w-full"
+            />,
+          );
+        } else {
+          // 날짜만 입력
+          const dateValue = dateValues[fieldName];
+          return applyStyles(
+            <Popover>
+              <PopoverTrigger asChild>
+                <Button
+                  variant="outline"
+                  className="h-full w-full justify-start text-left font-normal"
+                  disabled={readonly}
+                >
+                  <CalendarIcon className="mr-2 h-4 w-4" />
+                  {dateValue ? format(dateValue, "PPP", { locale: ko }) : config?.defaultValue || finalPlaceholder}
+                </Button>
+              </PopoverTrigger>
+              <PopoverContent className="w-auto p-0">
+                <Calendar
+                  mode="single"
+                  selected={dateValue}
+                  onSelect={(date) => updateDateValue(fieldName, date)}
+                  initialFocus
+                />
+              </PopoverContent>
+            </Popover>,
+          );
+        }
+      }
+
+      case "datetime": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as DateTypeConfig | undefined;
+
+        console.log("🕐 InteractiveScreenViewer - DateTime 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            format: config?.format,
+            defaultValue: config?.defaultValue,
+            minDate: config?.minDate,
+            maxDate: config?.maxDate,
+          },
+        });
+
+        const finalPlaceholder = config?.placeholder || placeholder || "날짜와 시간을 입력하세요...";
 
-      case "datetime":
         return applyStyles(
           <Input
             type="datetime-local"
-            placeholder={placeholder || "날짜와 시간을 입력하세요..."}
-            value={currentValue}
+            placeholder={finalPlaceholder}
+            value={currentValue || config?.defaultValue || ""}
             onChange={(e) => updateFormData(fieldName, e.target.value)}
             disabled={readonly}
             required={required}
+            min={config?.minDate}
+            max={config?.maxDate}
             className="h-full w-full"
           />,
         );
+      }
+
+      case "file": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as FileTypeConfig | undefined;
+
+        console.log("📁 InteractiveScreenViewer - File 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            accept: config?.accept,
+            multiple: config?.multiple,
+            maxSize: config?.maxSize,
+          },
+        });
+
+        const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+          const files = e.target.files;
+          if (!files) return;
+
+          // 파일 크기 검증
+          if (config?.maxSize) {
+            for (let i = 0; i < files.length; i++) {
+              const file = files[i];
+              if (file.size > config.maxSize * 1024 * 1024) {
+                alert(`파일 크기가 ${config.maxSize}MB를 초과합니다: ${file.name}`);
+                e.target.value = "";
+                return;
+              }
+            }
+          }
+
+          const file = config?.multiple ? files : files[0];
+          updateFormData(fieldName, file);
+        };
 
-      case "file":
         return applyStyles(
           <Input
             type="file"
-            onChange={(e) => {
-              const file = e.target.files?.[0];
-              updateFormData(fieldName, file);
-            }}
+            onChange={handleFileChange}
             disabled={readonly}
             required={required}
+            multiple={config?.multiple}
+            accept={config?.accept}
             className="h-full w-full"
           />,
         );
+      }
+
+      case "code": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as CodeTypeConfig | undefined;
+
+        console.log("💻 InteractiveScreenViewer - Code 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            language: config?.language,
+            theme: config?.theme,
+            fontSize: config?.fontSize,
+            defaultValue: config?.defaultValue,
+            wordWrap: config?.wordWrap,
+            tabSize: config?.tabSize,
+          },
+        });
+
+        const finalPlaceholder = config?.placeholder || "코드를 입력하세요...";
+        const rows = config?.rows || 4;
 
-      case "code":
         return applyStyles(
           <Textarea
-            placeholder="코드를 입력하세요..."
-            value={currentValue}
+            placeholder={finalPlaceholder}
+            value={currentValue || config?.defaultValue || ""}
             onChange={(e) => updateFormData(fieldName, e.target.value)}
             disabled={readonly}
             required={required}
+            rows={rows}
             className="h-full w-full resize-none font-mono text-sm"
-            rows={4}
+            style={{
+              fontSize: `${config?.fontSize || 14}px`,
+              backgroundColor: config?.theme === "dark" ? "#1e1e1e" : "#ffffff",
+              color: config?.theme === "dark" ? "#ffffff" : "#000000",
+              whiteSpace: config?.wordWrap === false ? "nowrap" : "normal",
+              tabSize: config?.tabSize || 2,
+            }}
           />,
         );
+      }
+
+      case "entity": {
+        const widget = comp as WidgetComponent;
+        const config = widget.webTypeConfig as EntityTypeConfig | undefined;
+
+        console.log("🏢 InteractiveScreenViewer - Entity 위젯:", {
+          componentId: widget.id,
+          widgetType: widget.widgetType,
+          config,
+          appliedSettings: {
+            entityName: config?.entityName,
+            displayField: config?.displayField,
+            valueField: config?.valueField,
+            multiple: config?.multiple,
+            defaultValue: config?.defaultValue,
+          },
+        });
+
+        const finalPlaceholder = config?.placeholder || "엔티티를 선택하세요...";
+        const defaultOptions = [
+          { label: "사용자", value: "user" },
+          { label: "제품", value: "product" },
+          { label: "주문", value: "order" },
+          { label: "카테고리", value: "category" },
+        ];
 
-      case "entity":
         return applyStyles(
           <Select
-            value={currentValue}
+            value={currentValue || config?.defaultValue || ""}
             onValueChange={(value) => updateFormData(fieldName, value)}
             disabled={readonly}
             required={required}
           >
             <SelectTrigger className="h-full w-full">
-              <SelectValue placeholder="엔티티를 선택하세요..." />
+              <SelectValue placeholder={finalPlaceholder} />
             </SelectTrigger>
             <SelectContent>
-              <SelectItem value="user">사용자</SelectItem>
-              <SelectItem value="product">제품</SelectItem>
-              <SelectItem value="order">주문</SelectItem>
+              {defaultOptions.map((option) => (
+                <SelectItem key={option.value} value={option.value}>
+                  {config?.displayFormat
+                    ? config.displayFormat.replace("{label}", option.label).replace("{value}", option.value)
+                    : option.label}
+                </SelectItem>
+              ))}
             </SelectContent>
           </Select>,
         );
+      }
 
       default:
         return applyStyles(
diff --git a/frontend/components/screen/RealtimePreview.tsx b/frontend/components/screen/RealtimePreview.tsx
index 66e58720..1be3bc4b 100644
--- a/frontend/components/screen/RealtimePreview.tsx
+++ b/frontend/components/screen/RealtimePreview.tsx
@@ -80,29 +80,69 @@ const renderWidget = (component: ComponentData) => {
 
       const inputType = widgetType === "email" ? "email" : widgetType === "tel" ? "tel" : "text";
 
+      // 형식별 패턴 생성
+      const getPatternByFormat = (format: string) => {
+        switch (format) {
+          case "korean":
+            return "[가-힣\\s]*";
+          case "english":
+            return "[a-zA-Z\\s]*";
+          case "alphanumeric":
+            return "[a-zA-Z0-9]*";
+          case "numeric":
+            return "[0-9]*";
+          case "email":
+            return "[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}";
+          case "phone":
+            return "\\d{3}-\\d{4}-\\d{4}";
+          case "url":
+            return "https?://[\\w\\-]+(\\.[\\w\\-]+)+([\\w\\-\\.,@?^=%&:/~\\+#]*[\\w\\-\\@?^=%&/~\\+#])?";
+          default:
+            return config?.pattern || undefined;
+        }
+      };
+
+      // 입력 검증 함수
+      const handleInputChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>) => {
+        const value = e.target.value;
+
+        // 형식별 실시간 검증
+        if (config?.format && config.format !== "none") {
+          const pattern = getPatternByFormat(config.format);
+          if (pattern) {
+            const regex = new RegExp(`^${pattern}$`);
+            if (value && !regex.test(value)) {
+              // 유효하지 않은 입력은 무시
+              e.preventDefault();
+              return;
+            }
+          }
+        }
+
+        // 길이 제한 검증
+        if (config?.maxLength && value.length > config.maxLength) {
+          e.preventDefault();
+          return;
+        }
+      };
+
+      const inputProps = {
+        ...commonProps,
+        placeholder: finalPlaceholder,
+        minLength: config?.minLength,
+        maxLength: config?.maxLength,
+        pattern: getPatternByFormat(config?.format || "none"),
+        onInput: handleInputChange,
+        onChange: () => {}, // 읽기 전용으로 처리
+        readOnly: true,
+      };
+
       // multiline이면 Textarea로 렌더링
       if (config?.multiline) {
-        return (
-          <Textarea
-            {...commonProps}
-            placeholder={finalPlaceholder}
-            minLength={config?.minLength}
-            maxLength={config?.maxLength}
-            pattern={config?.pattern}
-          />
-        );
+        return <Textarea {...inputProps} />;
       }
 
-      return (
-        <Input
-          type={inputType}
-          {...commonProps}
-          placeholder={finalPlaceholder}
-          minLength={config?.minLength}
-          maxLength={config?.maxLength}
-          pattern={config?.pattern}
-        />
-      );
+      return <Input type={inputType} {...inputProps} />;
     }
 
     case "number":
@@ -124,6 +164,31 @@ const renderWidget = (component: ComponentData) => {
       // 플레이스홀더 처리
       const finalPlaceholder = config?.placeholder || placeholder || "숫자를 입력하세요";
 
+      // 형식에 따른 표시값 처리
+      const formatValue = (value: string) => {
+        if (!value || !config) return value;
+
+        const num = parseFloat(value);
+        if (isNaN(num)) return value;
+
+        switch (config.format) {
+          case "currency":
+            return new Intl.NumberFormat("ko-KR", {
+              style: "currency",
+              currency: "KRW",
+            }).format(num);
+          case "percentage":
+            return `${num}%`;
+          case "decimal":
+            return num.toFixed(config.decimalPlaces || 2);
+          default:
+            if (config.thousandSeparator) {
+              return new Intl.NumberFormat("ko-KR").format(num);
+            }
+            return value;
+        }
+      };
+
       // 접두사/접미사가 있는 경우 표시용 컨테이너 사용
       if (config?.prefix || config?.suffix) {
         return (
@@ -141,6 +206,8 @@ const renderWidget = (component: ComponentData) => {
               {...commonProps}
               placeholder={finalPlaceholder}
               className={`${config?.prefix ? "rounded-l-none" : ""} ${config?.suffix ? "rounded-r-none" : ""} ${borderClass}`}
+              onChange={() => {}} // 읽기 전용으로 처리
+              readOnly
             />
             {config.suffix && (
               <span className="rounded-r border border-l-0 bg-gray-50 px-2 py-2 text-sm text-gray-600">
@@ -159,6 +226,8 @@ const renderWidget = (component: ComponentData) => {
           max={config?.max}
           {...commonProps}
           placeholder={finalPlaceholder}
+          onChange={() => {}} // 읽기 전용으로 처리
+          readOnly
         />
       );
     }
@@ -288,6 +357,8 @@ const renderWidget = (component: ComponentData) => {
           disabled={readonly}
           required={required}
           multiple={config?.multiple}
+          value={config?.defaultValue || ""}
+          onChange={() => {}} // 읽기 전용으로 처리
           className={`w-full rounded-md px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100 ${
             hasCustomBorder ? "!border-0" : "border border-gray-300"
           }`}
@@ -314,6 +385,9 @@ const renderWidget = (component: ComponentData) => {
           placeholder={config?.placeholder || placeholder || "텍스트를 입력하세요"}
           minLength={config?.minLength}
           maxLength={config?.maxLength}
+          value={config?.defaultValue || ""}
+          onChange={() => {}} // 읽기 전용으로 처리
+          readOnly
           style={{
             resize: config?.resizable === false ? "none" : "vertical",
             whiteSpace: config?.wordWrap === false ? "nowrap" : "normal",
@@ -342,7 +416,9 @@ const renderWidget = (component: ComponentData) => {
             id={`checkbox-${component.id}`}
             disabled={readonly}
             required={required}
-            defaultChecked={config?.defaultChecked}
+            checked={config?.defaultChecked || false}
+            onChange={() => {}} // 읽기 전용으로 처리
+            readOnly
             className="h-4 w-4"
           />
           {!isLeftLabel && (
@@ -381,7 +457,9 @@ const renderWidget = (component: ComponentData) => {
                 value={option.value}
                 disabled={readonly}
                 required={required}
-                defaultChecked={config?.defaultValue === option.value}
+                checked={config?.defaultValue === option.value}
+                onChange={() => {}} // 읽기 전용으로 처리
+                readOnly
                 className="h-4 w-4"
               />
               <Label htmlFor={`radio-${component.id}-${index}`} className="text-sm">
@@ -397,18 +475,35 @@ const renderWidget = (component: ComponentData) => {
       const widget = component as WidgetComponent;
       const config = widget.webTypeConfig as CodeTypeConfig | undefined;
 
+      console.log("💻 코드 위젯 렌더링:", {
+        componentId: widget.id,
+        widgetType: widget.widgetType,
+        config,
+        appliedSettings: {
+          language: config?.language,
+          theme: config?.theme,
+          fontSize: config?.fontSize,
+          defaultValue: config?.defaultValue,
+          readOnly: config?.readOnly,
+          wordWrap: config?.wordWrap,
+        },
+      });
+
       return (
         <Textarea
           {...commonProps}
-          rows={4}
+          rows={config?.rows || 4}
           className={`w-full font-mono text-sm ${borderClass}`}
           placeholder={config?.placeholder || "코드를 입력하세요..."}
-          readOnly={config?.readOnly}
+          value={config?.defaultValue || ""}
+          onChange={() => {}} // 읽기 전용으로 처리
+          readOnly
           style={{
             fontSize: `${config?.fontSize || 14}px`,
             backgroundColor: config?.theme === "dark" ? "#1e1e1e" : "#ffffff",
             color: config?.theme === "dark" ? "#ffffff" : "#000000",
             whiteSpace: config?.wordWrap === false ? "nowrap" : "normal",
+            tabSize: config?.tabSize || 2,
           }}
         />
       );
@@ -418,19 +513,48 @@ const renderWidget = (component: ComponentData) => {
       const widget = component as WidgetComponent;
       const config = widget.webTypeConfig as EntityTypeConfig | undefined;
 
+      console.log("🏢 엔티티 위젯 렌더링:", {
+        componentId: widget.id,
+        widgetType: widget.widgetType,
+        config,
+        appliedSettings: {
+          entityName: config?.entityName,
+          displayField: config?.displayField,
+          valueField: config?.valueField,
+          multiple: config?.multiple,
+          searchable: config?.searchable,
+          allowClear: config?.allowClear,
+          maxSelections: config?.maxSelections,
+        },
+      });
+
+      // 기본 옵션들 (실제로는 API에서 가져와야 함)
+      const defaultOptions = [
+        { label: "사용자", value: "user" },
+        { label: "제품", value: "product" },
+        { label: "주문", value: "order" },
+        { label: "카테고리", value: "category" },
+      ];
+
       return (
         <select
           disabled={readonly}
           required={required}
           multiple={config?.multiple}
+          value={config?.defaultValue || ""}
+          onChange={() => {}} // 읽기 전용으로 처리
           className={`w-full rounded-md px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100 ${
             hasCustomBorder ? "!border-0" : "border border-gray-300"
           }`}
         >
           <option value="">{config?.placeholder || "엔티티를 선택하세요..."}</option>
-          <option value="user">사용자</option>
-          <option value="product">제품</option>
-          <option value="order">주문</option>
+          {defaultOptions.map((option) => (
+            <option key={option.value} value={option.value}>
+              {config?.displayFormat
+                ? config.displayFormat.replace("{label}", option.label).replace("{value}", option.value)
+                : option.label}
+            </option>
+          ))}
         </select>
       );
     }
@@ -439,17 +563,51 @@ const renderWidget = (component: ComponentData) => {
       const widget = component as WidgetComponent;
       const config = widget.webTypeConfig as FileTypeConfig | undefined;
 
+      console.log("📁 파일 위젯 렌더링:", {
+        componentId: widget.id,
+        widgetType: widget.widgetType,
+        config,
+        appliedSettings: {
+          accept: config?.accept,
+          multiple: config?.multiple,
+          maxSize: config?.maxSize,
+          preview: config?.preview,
+          allowedTypes: config?.allowedTypes,
+        },
+      });
+
+      // 파일 크기 제한 검증
+      const handleFileChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+        const files = e.target.files;
+        if (!files || !config?.maxSize) return;
+
+        for (let i = 0; i < files.length; i++) {
+          const file = files[i];
+          if (file.size > config.maxSize * 1024 * 1024) {
+            // MB to bytes
+            alert(`파일 크기가 ${config.maxSize}MB를 초과합니다: ${file.name}`);
+            e.target.value = ""; // 파일 선택 초기화
+            return;
+          }
+        }
+      };
+
       return (
-        <input
-          type="file"
-          disabled={readonly}
-          required={required}
-          multiple={config?.multiple}
-          accept={config?.accept}
-          className={`w-full rounded-md px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100 ${
-            hasCustomBorder ? "!border-0" : "border border-gray-300"
-          }`}
-        />
+        <div className="w-full">
+          <input
+            type="file"
+            disabled={readonly}
+            required={required}
+            multiple={config?.multiple}
+            accept={config?.accept}
+            onChange={handleFileChange}
+            className={`w-full rounded-md px-3 py-2 text-sm focus:border-blue-500 focus:ring-2 focus:ring-blue-500 focus:outline-none disabled:cursor-not-allowed disabled:bg-gray-100 ${
+              hasCustomBorder ? "!border-0" : "border border-gray-300"
+            }`}
+          />
+          {config?.maxSize && <div className="mt-1 text-xs text-gray-500">최대 파일 크기: {config.maxSize}MB</div>}
+          {config?.accept && <div className="mt-1 text-xs text-gray-500">허용된 파일 형식: {config.accept}</div>}
+        </div>
       );
     }
 
diff --git a/frontend/components/screen/panels/webtype-configs/CheckboxTypeConfigPanel.tsx b/frontend/components/screen/panels/webtype-configs/CheckboxTypeConfigPanel.tsx
index a9bc5c26..cdda13f6 100644
--- a/frontend/components/screen/panels/webtype-configs/CheckboxTypeConfigPanel.tsx
+++ b/frontend/components/screen/panels/webtype-configs/CheckboxTypeConfigPanel.tsx
@@ -64,15 +64,42 @@ export const CheckboxTypeConfigPanel: React.FC<CheckboxTypeConfigPanelProps> = (
       setLocalValues((prev) => ({ ...prev, [key]: value }));
     }
 
-    // 실제 config 업데이트
-    const newConfig = { ...safeConfig, [key]: value };
+    // 실제 config 업데이트 - 현재 로컬 상태를 기반으로 새 객체 생성 (safeConfig 기본값 덮어쓰기 방지)
+    const currentValues = {
+      defaultChecked: key === "defaultChecked" ? value : localValues.defaultChecked,
+      labelPosition: key === "labelPosition" ? value : localValues.labelPosition,
+      checkboxText: key === "checkboxText" ? value : localValues.checkboxText,
+      trueValue:
+        key === "trueValue"
+          ? value
+          : localValues.trueValue === "true"
+            ? true
+            : localValues.trueValue === "false"
+              ? false
+              : localValues.trueValue,
+      falseValue:
+        key === "falseValue"
+          ? value
+          : localValues.falseValue === "true"
+            ? true
+            : localValues.falseValue === "false"
+              ? false
+              : localValues.falseValue,
+      indeterminate: key === "indeterminate" ? value : localValues.indeterminate,
+    };
+
+    const newConfig = JSON.parse(JSON.stringify(currentValues));
     console.log("☑️ CheckboxTypeConfig 업데이트:", {
       key,
       value,
       oldConfig: safeConfig,
       newConfig,
+      localValues,
     });
-    onConfigChange(newConfig);
+
+    setTimeout(() => {
+      onConfigChange(newConfig);
+    }, 0);
   };
 
   return (
diff --git a/frontend/components/screen/panels/webtype-configs/NumberTypeConfigPanel.tsx b/frontend/components/screen/panels/webtype-configs/NumberTypeConfigPanel.tsx
index 38efca77..11c711a8 100644
--- a/frontend/components/screen/panels/webtype-configs/NumberTypeConfigPanel.tsx
+++ b/frontend/components/screen/panels/webtype-configs/NumberTypeConfigPanel.tsx
@@ -73,13 +73,27 @@ export const NumberTypeConfigPanel: React.FC<NumberTypeConfigPanelProps> = ({ co
       setLocalValues((prev) => ({ ...prev, [key]: value }));
     }
 
-    // 실제 config 업데이트 - 깊은 복사로 새 객체 보장
-    const newConfig = JSON.parse(JSON.stringify({ ...safeConfig, [key]: value }));
+    // 실제 config 업데이트 - 현재 로컬 상태를 기반으로 새 객체 생성 (safeConfig 기본값 덮어쓰기 방지)
+    const currentValues = {
+      format: key === "format" ? value : localValues.format,
+      min: key === "min" ? value : localValues.min ? Number(localValues.min) : undefined,
+      max: key === "max" ? value : localValues.max ? Number(localValues.max) : undefined,
+      step: key === "step" ? value : localValues.step ? Number(localValues.step) : undefined,
+      decimalPlaces:
+        key === "decimalPlaces" ? value : localValues.decimalPlaces ? Number(localValues.decimalPlaces) : undefined,
+      thousandSeparator: key === "thousandSeparator" ? value : localValues.thousandSeparator,
+      prefix: key === "prefix" ? value : localValues.prefix,
+      suffix: key === "suffix" ? value : localValues.suffix,
+      placeholder: key === "placeholder" ? value : localValues.placeholder,
+    };
+
+    const newConfig = JSON.parse(JSON.stringify(currentValues));
     console.log("🔢 NumberTypeConfig 업데이트:", {
       key,
       value,
       oldConfig: safeConfig,
       newConfig,
+      localValues,
       timestamp: new Date().toISOString(),
     });
 
diff --git a/frontend/components/screen/panels/webtype-configs/TextTypeConfigPanel.tsx b/frontend/components/screen/panels/webtype-configs/TextTypeConfigPanel.tsx
index 5026af36..3f85f8b4 100644
--- a/frontend/components/screen/panels/webtype-configs/TextTypeConfigPanel.tsx
+++ b/frontend/components/screen/panels/webtype-configs/TextTypeConfigPanel.tsx
@@ -62,15 +62,28 @@ export const TextTypeConfigPanel: React.FC<TextTypeConfigPanelProps> = ({ config
       setLocalValues((prev) => ({ ...prev, [key]: value }));
     }
 
-    // 실제 config 업데이트
-    const newConfig = { ...safeConfig, [key]: value };
+    // 실제 config 업데이트 - 현재 로컬 상태를 기반으로 새 객체 생성 (safeConfig 기본값 덮어쓰기 방지)
+    const currentValues = {
+      minLength: key === "minLength" ? value : localValues.minLength ? Number(localValues.minLength) : undefined,
+      maxLength: key === "maxLength" ? value : localValues.maxLength ? Number(localValues.maxLength) : undefined,
+      pattern: key === "pattern" ? value : localValues.pattern,
+      format: key === "format" ? value : localValues.format,
+      placeholder: key === "placeholder" ? value : localValues.placeholder,
+      multiline: key === "multiline" ? value : localValues.multiline,
+    };
+
+    const newConfig = JSON.parse(JSON.stringify(currentValues));
     console.log("📝 TextTypeConfig 업데이트:", {
       key,
       value,
       oldConfig: safeConfig,
       newConfig,
+      localValues,
     });
-    onConfigChange(newConfig);
+
+    setTimeout(() => {
+      onConfigChange(newConfig);
+    }, 0);
   };
 
   return (
diff --git a/frontend/components/screen/panels/webtype-configs/TextareaTypeConfigPanel.tsx b/frontend/components/screen/panels/webtype-configs/TextareaTypeConfigPanel.tsx
index 0f970f92..270cbae9 100644
--- a/frontend/components/screen/panels/webtype-configs/TextareaTypeConfigPanel.tsx
+++ b/frontend/components/screen/panels/webtype-configs/TextareaTypeConfigPanel.tsx
@@ -65,15 +65,30 @@ export const TextareaTypeConfigPanel: React.FC<TextareaTypeConfigPanelProps> = (
       setLocalValues((prev) => ({ ...prev, [key]: value }));
     }
 
-    // 실제 config 업데이트
-    const newConfig = { ...safeConfig, [key]: value };
+    // 실제 config 업데이트 - 현재 로컬 상태를 기반으로 새 객체 생성 (safeConfig 기본값 덮어쓰기 방지)
+    const currentValues = {
+      rows: key === "rows" ? value : localValues.rows ? Number(localValues.rows) : undefined,
+      maxLength: key === "maxLength" ? value : localValues.maxLength ? Number(localValues.maxLength) : undefined,
+      minLength: key === "minLength" ? value : localValues.minLength ? Number(localValues.minLength) : undefined,
+      placeholder: key === "placeholder" ? value : localValues.placeholder,
+      defaultValue: key === "defaultValue" ? value : localValues.defaultValue,
+      resizable: key === "resizable" ? value : localValues.resizable,
+      autoResize: key === "autoResize" ? value : localValues.autoResize,
+      wordWrap: key === "wordWrap" ? value : localValues.wordWrap,
+    };
+
+    const newConfig = JSON.parse(JSON.stringify(currentValues));
     console.log("📄 TextareaTypeConfig 업데이트:", {
       key,
       value,
       oldConfig: safeConfig,
       newConfig,
+      localValues,
     });
-    onConfigChange(newConfig);
+
+    setTimeout(() => {
+      onConfigChange(newConfig);
+    }, 0);
   };
 
   return (