Implement KPI daily production feature

- Added a new KPI controller to handle daily production data retrieval.
- Created routes for accessing KPI data, specifically for daily production.
- Developed frontend components for displaying daily production metrics, including charts and summary cards.
- Implemented data fetching logic with date range filtering for production data.
- Ensured proper loading states and error handling in the UI.

This feature is part of TASK:ERP-022.

backend-node/src/app.ts

@@ -149,6 +149,7 @@ import cascadingHierarchyRoutes from "./routes/cascadingHierarchyRoutes"; // 다
 import categoryValueCascadingRoutes from "./routes/categoryValueCascadingRoutes"; // 카테고리 값 연쇄관계
 import categoryTreeRoutes from "./routes/categoryTreeRoutes"; // 카테고리 트리 (테스트)
 import processWorkStandardRoutes from "./routes/processWorkStandardRoutes"; // 공정 작업기준
+import kpiRoutes from "./routes/kpiRoutes"; // KPI (TASK:ERP-022)
 import aiAssistantProxy from "./routes/aiAssistantProxy"; // AI 어시스턴트 API 프록시 (같은 포트로 서비스)
 import auditLogRoutes from "./routes/auditLogRoutes"; // 통합 변경 이력
 import moldRoutes from "./routes/moldRoutes"; // 금형 관리
@@ -378,6 +379,7 @@ app.use("/api/cascading-hierarchy", cascadingHierarchyRoutes); // 다단계 계
 app.use("/api/category-value-cascading", categoryValueCascadingRoutes); // 카테고리 값 연쇄관계
 app.use("/api/category-tree", categoryTreeRoutes); // 카테고리 트리 (테스트)
 app.use("/api/process-work-standard", processWorkStandardRoutes); // 공정 작업기준
+app.use("/api/kpi", kpiRoutes); // KPI (TASK:ERP-022)
 app.use("/api/audit-log", auditLogRoutes); // 통합 변경 이력
 app.use("/api/mold", moldRoutes); // 금형 관리
 app.use("/api/shipping-plan", shippingPlanRoutes); // 출하계획 관리