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/masking.py

@@ -0,0 +1,88 @@
+from typing import Optional
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.orm import Session
+
+from app.core.database import get_db
+from app.models.user import User
+from app.schemas.common import ResponseModel, ListResponse
+from app.services import masking_service
+from app.api.deps import get_current_user, require_admin
+
+router = APIRouter()
+
+
+@router.get("/rules")
+def list_masking_rules(
+    level_id: Optional[int] = Query(None),
+    category_id: Optional[int] = Query(None),
+    page: int = Query(1, ge=1),
+    page_size: int = Query(20, ge=1, le=500),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    items, total = masking_service.list_masking_rules(db, level_id=level_id, category_id=category_id, page=page, page_size=page_size)
+    return ListResponse(
+        data=[{
+            "id": r.id,
+            "name": r.name,
+            "level_id": r.level_id,
+            "category_id": r.category_id,
+            "algorithm": r.algorithm,
+            "params": r.params,
+            "is_active": r.is_active,
+            "description": r.description,
+            "level_name": r.level.name if r.level else None,
+            "category_name": r.category.name if r.category else None,
+        } for r in items],
+        total=total,
+        page=page,
+        page_size=page_size,
+    )
+
+
+@router.post("/rules")
+def create_masking_rule(
+    req: dict,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_admin),
+):
+    item = masking_service.create_masking_rule(db, req)
+    return ResponseModel(data={"id": item.id})
+
+
+@router.put("/rules/{rule_id}")
+def update_masking_rule(
+    rule_id: int,
+    req: dict,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_admin),
+):
+    db_obj = masking_service.get_masking_rule(db, rule_id)
+    if not db_obj:
+        from fastapi import HTTPException, status
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="规则不存在")
+    item = masking_service.update_masking_rule(db, db_obj, req)
+    return ResponseModel(data={"id": item.id})
+
+
+@router.delete("/rules/{rule_id}")
+def delete_masking_rule(
+    rule_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(require_admin),
+):
+    masking_service.delete_masking_rule(db, rule_id)
+    return ResponseModel(message="删除成功")
+
+
+@router.post("/preview")
+def preview_masking(
+    source_id: int,
+    table_name: str,
+    project_id: Optional[int] = None,
+    limit: int = Query(20, ge=1, le=100),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    result = masking_service.preview_masking(db, source_id, table_name, project_id=project_id, limit=limit)
+    return ResponseModel(data=result)