[gusto] Add Gusto plugin - #690

Bugbot Analysis Progress (51s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (49s)
✅ Posted analysis results (1s)

Final Result: Bugbot completed review - no issues found. 1 previously reported issue remain unresolved.

Request ID: 9babb1b5-ebc8-488a-a4be-8ecd699bbe79