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/lineage.py

@@ -0,0 +1,32 @@
+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
+from app.services import lineage_service
+from app.api.deps import get_current_user
+
+router = APIRouter()
+
+
+@router.post("/parse")
+def parse_lineage(
+    sql: str,
+    target_table: str,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    records = lineage_service.parse_sql_lineage(db, sql, target_table)
+    return ResponseModel(data={"records_created": len(records)})
+
+
+@router.get("/graph")
+def get_graph(
+    table_name: Optional[str] = Query(None),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    graph = lineage_service.get_lineage_graph(db, table_name=table_name)
+    return ResponseModel(data=graph)