v0.13.0

Release Notes - Happy CLI v0.13.0

This release introduces Gemini backend support through ACP integration, adds session hook tracking for better --continue/--resume support, and includes various improvements and fixes.

🚀 New Features

• Gemini Backend Support: Added ACP (Agent Communication Protocol) integration with Gemini backend, allowing remote sessions to use Gemini as an alternative to Claude
• Gemini Cloud Authentication: Happy cloud OAuth token is now prioritized for Gemini authentication
• Allow Gemini for Remote Start: Gemini can now be selected when starting remote sessions
• Session Hook Tracking: Added session hook tracking to properly support --continue and --resume flags, enabling better session persistence
• Claude Environment Variables: New --claude-env flag allows passing custom environment variables to Claude sessions

🐛 Bug Fixes

• Session Hook Cleanup: Fixed session hook cleanup and timeout handling to prevent resource leaks

♻️ Refactoring

• Session Hook Tracking: PR review fixes improving the session hook tracking implementation

🔧 Other Changes

• Windows Scripts: Consolidated Windows-specific packaging scripts for better maintainability