diff --git a/tradingagents/agents/.DS_Store b/tradingagents/agents/.DS_Store
new file mode 100644
index 00000000..438fd2d9
Binary files /dev/null and b/tradingagents/agents/.DS_Store differ
diff --git a/tradingagents/portfolio/supabase_client.py b/tradingagents/portfolio/supabase_client.py
index 7c3aa0bc..9603d55d 100644
--- a/tradingagents/portfolio/supabase_client.py
+++ b/tradingagents/portfolio/supabase_client.py
@@ -94,7 +94,10 @@ class SupabaseClient:
             cls._instance = None
 
     def _cursor(self):
-        """Return a RealDictCursor."""
+        """Return a RealDictCursor, reconnecting if the connection was dropped."""
+        if self._conn.closed:
+            self._conn = psycopg2.connect(self._dsn)
+            self._conn.autocommit = True
         return self._conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
 
     # ------------------------------------------------------------------