feat: 移除仓库内 nginx 并拆分前端运行时

backend/app/main.py

@@ -166,6 +166,21 @@ def create_app() -> FastAPI:
 
     register_exception_handlers(app)
 
+    @app.get(
+        "/",
+        tags=["health"],
+        summary="服务入口说明",
+        description="返回后端服务入口说明，避免将根路径误认为前端页面。",
+    )
+    async def root() -> dict[str, str]:
+        return {
+            "service": "ctms-backend",
+            "status": "ok",
+            "health": "/health",
+            "docs": "/docs",
+            "api": "/api/v1",
+        }
+
     @app.get(
         "/health",
         tags=["health"],