Handle expired Google OAuth tokens gracefully by falling back to downloadable CSV spreadsheets

.app.pid

@@ -1 +1 @@
-240356
+249378

server.ts

@@ -585,6 +585,7 @@ app.post("/api/workspace/sheets/export", async (req, res) => {
     const token = accessToken || req.headers.authorization?.replace("Bearer ", "");
 
     if (token) {
+      try {
         const authClient = getOAuth2Client(token);
         const sheets = google.sheets({ version: "v4", auth: authClient });
 
@@ -636,6 +637,9 @@ app.post("/api/workspace/sheets/export", async (req, res) => {
           spreadsheetUrl,
           message: `Successfully created Google Sheet with ${rows.length} records!`
         });
+      } catch (authErr: any) {
+        console.warn("Live Google API Token Expired/Unauthenticated. Falling back to downloadable CSV...", authErr.message);
+      }
     }
 
     // Local CSV export generator when running without live Google OAuth access token