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/project.py

@@ -101,9 +101,73 @@ def delete_project(
 @router.post("/{project_id}/auto-classify")
 def project_auto_classify(
     project_id: int,
+    background: bool = True,
     db: Session = Depends(get_db),
     current_user: User = Depends(require_manager),
 ):
-    from app.services.classification_engine import run_auto_classification
-    result = run_auto_classification(db, project_id)
-    return ResponseModel(data=result)
+    from app.tasks.classification_tasks import auto_classify_task
+    from celery.result import AsyncResult
+
+    project = project_service.get_project(db, project_id)
+    if not project:
+        from fastapi import HTTPException, status
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="项目不存在")
+
+    if background:
+        # Check if already running
+        if project.celery_task_id:
+            existing = AsyncResult(project.celery_task_id)
+            if existing.state in ("PENDING", "PROGRESS", "STARTED"):
+                return ResponseModel(data={"task_id": project.celery_task_id, "status": existing.state})
+
+        task = auto_classify_task.delay(project_id)
+        project.celery_task_id = task.id
+        project.status = "scanning"
+        db.commit()
+        return ResponseModel(data={"task_id": task.id, "status": task.state})
+    else:
+        from app.services.classification_engine import run_auto_classification
+        project.status = "scanning"
+        db.commit()
+        result = run_auto_classification(db, project_id)
+        if result.get("success"):
+            project.status = "assigning"
+        else:
+            project.status = "created"
+        db.commit()
+        return ResponseModel(data=result)
+
+
+@router.get("/{project_id}/auto-classify-status")
+def project_auto_classify_status(
+    project_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    from celery.result import AsyncResult
+    import json
+
+    project = project_service.get_project(db, project_id)
+    if not project:
+        from fastapi import HTTPException, status
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="项目不存在")
+
+    task_id = project.celery_task_id
+    if not task_id:
+        # Return persisted progress if any
+        progress = json.loads(project.scan_progress) if project.scan_progress else None
+        return ResponseModel(data={"status": project.status, "progress": progress})
+
+    result = AsyncResult(task_id)
+    progress = None
+    if result.state == "PROGRESS" and result.info:
+        progress = result.info
+    elif project.scan_progress:
+        progress = json.loads(project.scan_progress)
+
+    return ResponseModel(data={
+        "status": result.state,
+        "task_id": task_id,
+        "progress": progress,
+        "project_status": project.status,
+    })