app/infra/db中 router 迁移并更新，清理 infra 层的旧 router

app/api/v1/endpoints/timeseries/dependencies.py

@@ -0,0 +1,19 @@
+from fastapi import Depends
+from psycopg import AsyncConnection
+
+from app.auth.project_dependencies import (
+    get_project_pg_connection,
+    get_project_timescale_connection,
+)
+
+
+async def get_timescale_connection(
+    conn: AsyncConnection = Depends(get_project_timescale_connection),
+):
+    yield conn
+
+
+async def get_postgres_connection(
+    conn: AsyncConnection = Depends(get_project_pg_connection),
+):
+    yield conn