fix(pop): 연결 역방향 라우팅 + 확정 후속 액션 + API URL 수정

- useConnectionResolver: _auto 모드에서 역방향(타겟→소스) 라우팅 추가
- pop-button: 입고 확정 성공 후 followUpActions 실행 (navigate/refresh/event)
- pop-button: execute-action API URL 경로 수정 (/api/pop/ → /pop/)

frontend/hooks/pop/useConnectionResolver.ts

@@ -11,7 +11,8 @@
  *
  * _auto 모드:
  *   sourceOutput="_auto"인 연결은 소스/타겟의 connectionMeta를 비교하여
- *   key가 같고 category="event"인 쌍을 모두 자동 라우팅한다.
+ *   key가 같고 category="event"인 쌍을 양방향으로 자동 라우팅한다.
+ *   (정방향: 소스->타겟, 역방향: 타겟->소스)
  */
 
 import { useEffect, useRef } from "react";
@@ -85,9 +86,9 @@ export function useConnectionResolver({
 
         if (!sourceType || !targetType) continue;
 
-        const pairs = getAutoMatchPairs(sourceType, targetType);
-
-        for (const pair of pairs) {
+        // 정방향: 소스 sendable -> 타겟 receivable
+        const forwardPairs = getAutoMatchPairs(sourceType, targetType);
+        for (const pair of forwardPairs) {
           const sourceEvent = `__comp_output__${conn.sourceComponent}__${pair.sourceKey}`;
           const targetEvent = `__comp_input__${conn.targetComponent}__${pair.targetKey}`;
 
@@ -99,6 +100,21 @@ export function useConnectionResolver({
           });
           unsubscribers.push(unsub);
         }
+
+        // 역방향: 타겟 sendable -> 소스 receivable
+        const reversePairs = getAutoMatchPairs(targetType, sourceType);
+        for (const pair of reversePairs) {
+          const sourceEvent = `__comp_output__${conn.targetComponent}__${pair.sourceKey}`;
+          const targetEvent = `__comp_input__${conn.sourceComponent}__${pair.targetKey}`;
+
+          const unsub = subscribe(sourceEvent, (payload: unknown) => {
+            publish(targetEvent, {
+              value: payload,
+              _connectionId: conn.id,
+            });
+          });
+          unsubscribers.push(unsub);
+        }
       } else {
         const sourceEvent = `__comp_output__${conn.sourceComponent}__${conn.sourceOutput || conn.sourceField}`;
 

frontend/lib/registry/pop-components/pop-button.tsx

@@ -547,7 +547,7 @@ export function PopButtonComponent({
       const cardListMapping = cardListData?.mapping ?? null;
       const fieldMapping = fieldData?.mapping ?? null;
 
-      const result = await apiClient.post("/api/pop/execute-action", {
+      const result = await apiClient.post("/pop/execute-action", {
         action: "inbound-confirm",
         data: {
           items: selectedItems,
@@ -567,6 +567,24 @@ export function PopButtonComponent({
           success: true,
           count: selectedItems.length,
         });
+
+        // 후속 액션 실행 (navigate, refresh 등)
+        const followUps = config?.followUpActions ?? [];
+        for (const fa of followUps) {
+          switch (fa.type) {
+            case "navigate":
+              if (fa.targetScreenId) {
+                publish("__pop_navigate__", { screenId: fa.targetScreenId, params: fa.params });
+              }
+              break;
+            case "refresh":
+              publish("__pop_refresh__");
+              break;
+            case "event":
+              if (fa.eventName) publish(fa.eventName, fa.eventPayload);
+              break;
+          }
+        }
       } else {
         toast.error(result.data?.message || "입고 확정에 실패했습니다.");
       }
@@ -577,7 +595,7 @@ export function PopButtonComponent({
       setConfirmProcessing(false);
       setShowInboundConfirm(false);
     }
-  }, [componentId, subscribe, publish, config?.statusChangeRules, config?.inboundConfirm?.statusChangeRules]);
+  }, [componentId, subscribe, publish, config?.statusChangeRules, config?.inboundConfirm?.statusChangeRules, config?.followUpActions]);
 
   // 클릭 핸들러
   const handleClick = useCallback(async () => {