diff --git a/app/routers/dashboard.py b/app/routers/dashboard.py
index ce7c8f1..f218456 100644
--- a/app/routers/dashboard.py
+++ b/app/routers/dashboard.py
@@ -390,6 +390,7 @@ async def workspace_page(request: Request):
 @router.get("/gitea-workspace", response_class=HTMLResponse)
 async def gitea_workspace_page(request: Request):
     """Gitea workspace — browse repo files."""
+    import json
     from jinja2 import Environment, FileSystemLoader
     env = Environment(loader=FileSystemLoader("app/templates"))
     sidebar = _sidebar_data(request, [])