fix: correct maintenance route paths in middleware and deploy.py

app/api/server.py

@@ -109,7 +109,7 @@ def create_application() -> FastAPI:
             method = request.method
             path = request.url.path
             if method not in ("GET", "HEAD", "OPTIONS"):
-                if not path.startswith("/api/v1/system/maintenance"):
+                if not path.startswith("/api/v1/maintenance"):
                     if method == "POST" and path.startswith("/api/v1/backup"):
                         pass  # allow backup/restore during maintenance
                     else:

deploy.py

@@ -585,7 +585,7 @@ def run_deployment(args: argparse.Namespace, env: dict[str, str]) -> int:
         audit.set("backup_status", "skipped")
     else:
         # Enable maintenance mode to freeze data state
-        maint_url = _build_url(space_url, "/api/v1/system/maintenance/enable")
+        maint_url = _build_url(space_url, "/api/v1/maintenance/enable")
         maint_enabled = False
         try:
             status = http_post_json(maint_url, auth_headers, timeout=15)