외부 db노드 설정

frontend/lib/stores/flowEditorStore.ts

@@ -7,6 +7,12 @@ import { Connection, Edge, EdgeChange, Node, NodeChange, addEdge, applyNodeChang
 import type { FlowNode, FlowEdge, NodeType, ValidationResult } from "@/types/node-editor";
 import { createNodeFlow, updateNodeFlow } from "../api/nodeFlows";
 
+// 🔥 외부 커넥션 캐시 타입
+interface ExternalConnectionCache {
+  data: any[];
+  timestamp: number;
+}
+
 interface FlowEditorState {
   // 노드 및 엣지
   nodes: FlowNode[];
@@ -30,6 +36,9 @@ interface FlowEditorState {
   // 검증 결과
   validationResult: ValidationResult | null;
 
+  // 🔥 외부 커넥션 캐시 (전역 캐싱)
+  externalConnectionsCache: ExternalConnectionCache | null;
+
   // ========================================================================
   // 노드 관리
   // ========================================================================
@@ -41,6 +50,14 @@ interface FlowEditorState {
   removeNode: (id: string) => void;
   removeNodes: (ids: string[]) => void;
 
+  // ========================================================================
+  // 🔥 외부 커넥션 캐시 관리
+  // ========================================================================
+
+  setExternalConnectionsCache: (data: any[]) => void;
+  clearExternalConnectionsCache: () => void;
+  getExternalConnectionsCache: () => any[] | null;
+
   // ========================================================================
   // 엣지 관리
   // ========================================================================
@@ -110,6 +127,7 @@ export const useFlowEditorStore = create<FlowEditorState>((set, get) => ({
   showValidationPanel: false,
   showPropertiesPanel: true,
   validationResult: null,
+  externalConnectionsCache: null, // 🔥 캐시 초기화
 
   // ========================================================================
   // 노드 관리
@@ -380,6 +398,39 @@ export const useFlowEditorStore = create<FlowEditorState>((set, get) => ({
 
     return { incoming, outgoing };
   },
+
+  // ========================================================================
+  // 🔥 외부 커넥션 캐시 관리
+  // ========================================================================
+
+  setExternalConnectionsCache: (data) => {
+    set({
+      externalConnectionsCache: {
+        data,
+        timestamp: Date.now(),
+      },
+    });
+  },
+
+  clearExternalConnectionsCache: () => {
+    set({ externalConnectionsCache: null });
+  },
+
+  getExternalConnectionsCache: () => {
+    const cache = get().externalConnectionsCache;
+    if (!cache) return null;
+
+    // 🔥 5분 후 캐시 만료
+    const CACHE_DURATION = 5 * 60 * 1000; // 5분
+    const isExpired = Date.now() - cache.timestamp > CACHE_DURATION;
+
+    if (isExpired) {
+      set({ externalConnectionsCache: null });
+      return null;
+    }
+
+    return cache.data;
+  },
 }));
 
 // ============================================================================