refactor complete

backend/src/app.py

@@ -6,10 +6,8 @@
 import sys
 from pathlib import Path
 
-# Add project root to sys.path to allow importing superset_tool
-# Assuming app.py is in backend/src/
+# project_root is used for static files mounting
 project_root = Path(__file__).resolve().parent.parent.parent
-sys.path.append(str(project_root))
 
 from fastapi import FastAPI, WebSocket, WebSocketDisconnect, Depends, Request, HTTPException
 from fastapi.middleware.cors import CORSMiddleware
@@ -86,7 +84,7 @@ async def log_requests(request: Request, call_next):
 app.include_router(plugins.router, prefix="/api/plugins", tags=["Plugins"])
 app.include_router(tasks.router, prefix="/api/tasks", tags=["Tasks"])
 app.include_router(settings.router, prefix="/api/settings", tags=["Settings"])
-app.include_router(connections.router, prefix="/api/connections", tags=["Connections"])
+app.include_router(connections.router, prefix="/api/settings/connections", tags=["Connections"])
 app.include_router(environments.router, prefix="/api/environments", tags=["Environments"])
 app.include_router(mappings.router)
 app.include_router(migration.router)