Fix Xero Integration + UI Updates in SaaS Platform

Project: Fix and Improve Xero Integration + Frontend Adjustments

We need a developer to debug and fix a Xero integration and make several small UI and permission updates inside a custom SaaS platform.

Tasks:

Fix Xero Integration

Identify and resolve the 500 Server Error during callback/token exchange.

Ensure successful OAuth2 authentication and data sync with Xero.

Verify that “Connect to Xero” and data retrieval work correctly.

Frontend / Admin Adjustments:

Remove Referral option from Settings.

Remove the Search field from the main interface.

Lock Brand Settings → only Super Admin can edit; hide for all workspace users.

Update / replace a few links on the homepage.

Make Login with Google / Authenticator work properly.

Enlarge and highlight the “Create Invoice” button for better visibility.

Fix Download Report under Accounting (currently not functioning).

Deliverables:

Fully working Xero connection (no server errors).

Updated UI components per the list above.

Short summary of fixes and code changes.