Add cmux Pro pricing and one-click Stack checkout - #7143

Bugbot Analysis Progress (2m 53s elapsed)

✅ Gathered PR context (6s)
✅ Completed bug detection (2m 40s)
✅ Posted analysis results (7s)

Final Result: Bugbot completed review - no new issues found. 4 previously reported issues remain unresolved.

Request ID: serverGenReqId_f5449249-28e5-4d8d-a52c-c095e5b1327d