feat: 全量功能模块开发与集成测试修复

- 新增后端模块：Alert、APIAsset、Compliance、Lineage、Masking、Risk、SchemaChange、Unstructured、Watermark
- 新增前端模块页面与API接口
- 新增Alembic迁移脚本(002-014)覆盖全量业务表
- 新增测试数据生成脚本与集成测试脚本
- 修复metadata模型JSON类型导入缺失导致启动失败的问题
- 修复前端Alert/APIAsset页面request模块路径错误
- 更新docker-compose与开发计划文档

backend/app/api/v1/report.py

@@ -44,12 +44,30 @@ def get_report_stats(
 @router.get("/projects/{project_id}/download")
 def download_report(
     project_id: int,
+    format: str = "docx",
     db: Session = Depends(get_db),
     current_user: User = Depends(get_current_user),
 ):
+    if format == "excel":
+        content = report_service.generate_excel_report(db, project_id)
+        return Response(
+            content=content,
+            media_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
+            headers={"Content-Disposition": f"attachment; filename=report_project_{project_id}.xlsx"},
+        )
     content = report_service.generate_classification_report(db, project_id)
     return Response(
         content=content,
         media_type="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
         headers={"Content-Disposition": f"attachment; filename=report_project_{project_id}.docx"},
     )
+
+
+@router.get("/projects/{project_id}/summary")
+def report_summary(
+    project_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    data = report_service.get_report_summary(db, project_id)
+    return ResponseModel(data=data)