리포트 템플릿 저장 구현

frontend/lib/api/reportApi.ts

@@ -147,4 +147,56 @@ export const reportApi = {
     }>(`${BASE_URL}/external-connections`);
     return response.data;
   },
+
+  // 현재 리포트를 템플릿으로 저장
+  saveAsTemplate: async (
+    reportId: string,
+    data: {
+      templateNameKor: string;
+      templateNameEng?: string;
+      description?: string;
+    },
+  ) => {
+    const response = await apiClient.post<{
+      success: boolean;
+      data: { templateId: string };
+      message: string;
+    }>(`${BASE_URL}/${reportId}/save-as-template`, data);
+    return response.data;
+  },
+
+  // 레이아웃 데이터로 직접 템플릿 생성 (리포트 저장 불필요)
+  createTemplateFromLayout: async (data: {
+    templateNameKor: string;
+    templateNameEng?: string;
+    templateType?: string;
+    description?: string;
+    layoutConfig: {
+      width: number;
+      height: number;
+      orientation: string;
+      margins: {
+        top: number;
+        bottom: number;
+        left: number;
+        right: number;
+      };
+      components: any[];
+    };
+    defaultQueries?: Array<{
+      name: string;
+      type: "MASTER" | "DETAIL";
+      sqlQuery: string;
+      parameters: string[];
+      externalConnectionId?: number | null;
+      displayOrder?: number;
+    }>;
+  }) => {
+    const response = await apiClient.post<{
+      success: boolean;
+      data: { templateId: string };
+      message: string;
+    }>(`${BASE_URL}/templates/create-from-layout`, data);
+    return response.data;
+  },
 };