- Add sanitization for Kimi API 404 url.not_found error messages in usage.ts - Replace technical error codes with user-friendly messages to avoid leaking internal API details - Add regression test covering error sanitization with mock usage data
- Add sanitization for Kimi API 404 url.not_found error messages in usage.ts - Replace technical error codes with user-friendly messages to avoid leaking internal API details - Add regression test covering error sanitization with mock usage data