Model support & provider updates Added support for new Claude models including the Sonnet 4 and Opus 4 series (e.g., `claude-sonnet-4-20250514`, `claude-opus-4-20250514`) across various providers. The default `sonnet` and `opus` aliases were updated to these newer versions. Added support for the `vertex_ai/gemini-2.5-flash-preview-05-20` model. Updated default OpenRouter models during onboarding to `deepseek/deepseek-r1:free` for the free tier and `anthropic/claude-sonnet-4` for paid tiers. Automatically refresh GitHub Copilot tokens when used as OpenAI API keys, by Lih Chen. Core functionality improvements Fixed an issue where files explicitly added via the command line were not correctly ignored if listed in `.gitignore`.

Improved automatic commit messages by providing more context during their generation, by wangboxue. Fixed OpenRouter token cost calculation for improved accuracy. Quality of life improvements Improved OpenRouter model metadata handling by introducing a local cache, increasing reliability and performance. Added shell tab completion for file path arguments (by saviour) and for `--edit-format`/`--editor-edit-format` options. The `/settings` command now displays…