Issue: Improved Error Messages for Authentication

Improve error messages related to authentication failures in Gemini CLI, providing clearer guidance and actionable steps for users.

• Clear, actionable error messages reduce frustration and support requests.
• Audit current authentication error messages for clarity and helpfulness. Happy to help review or test new error messages!

TL;DR

Update authentication error messages in Gemini CLI to include clear causes, step-by-step troubleshooting, and links to relevant documentation.

Guidance

• Audit current error messages to identify areas for improvement in clarity and helpfulness.
• Consider adding a gemini auth diagnose command for deeper troubleshooting of authentication issues.
• Ensure updated messages follow a consistent format and are easily understandable by users.
• Review user feedback and common support questions to inform the improvement of error messages.

Example

No specific code snippet is provided as the issue focuses on improving error messages rather than implementing new functionality.

Notes

The proposed solution aims to enhance user experience by providing more informative error messages, which may reduce support requests and improve overall usability of the Gemini CLI.

Recommendation

Apply workaround by updating error messages as proposed, as it directly addresses the issue of unclear authentication failure messages and aligns with the goal of improving user experience.