feat: add root redirect endpoint to admin API for improved navigation

app/api/v1/admin.py

@@ -7,7 +7,7 @@ from fastapi import (
     WebSocket,
     WebSocketDisconnect,
 )
-from fastapi.responses import HTMLResponse, StreamingResponse
+from fastapi.responses import HTMLResponse, StreamingResponse, RedirectResponse
 from typing import Optional
 from pydantic import BaseModel
 from app.core.auth import verify_api_key, verify_app_key, get_admin_api_key
@@ -211,6 +211,11 @@ async def admin_login_page():
     return await render_template("login/login.html")
 
 
+@router.get("/", include_in_schema=False)
+async def root_redirect():
+    return RedirectResponse(url="/admin")
+
+
 @router.get("/admin/config", response_class=HTMLResponse, include_in_schema=False)
 async def admin_config_page():
     """配置管理页"""