- Change extraction source from current active provider to editor's live content
- Add i18n support for JSON parse error messages via invalid_json_format_error()
- Simplify API by removing unused providerId parameter
- Update button labels and error messages in zh/en/ja locales
- Add backend command to extract common config snippet from current provider
- Automatically extract common config on first run after importing default provider
- Auto-enable common config checkbox in new provider mode when snippet exists
- Refactor Gemini common config to operate on .env instead of config.json
- Add "Extract from Current" button to all three common config modals
- Update i18n translations for new extraction feature
- Add unified `common_config_snippets` structure to MultiAppConfig
- Implement `get_common_config_snippet` and `set_common_config_snippet` commands
- Replace localStorage with config.json persistence for Codex and Gemini
- Auto-migrate legacy `claude_common_config_snippet` to new unified structure
- Deprecate individual API methods in favor of unified interface
- Add automatic migration from localStorage on first load
BREAKING CHANGE: Common config snippets now stored in unified `common_config_snippets` object instead of separate fields
- Created useCodexCommonConfig hook for managing Codex TOML common config
- Persists to localStorage with key 'cc-switch:codex-common-config-snippet'
- Added isCodexTemplateModalOpen state to ProviderForm
- Connected all CodexConfigEditor props:
- Common config snippet management (useCommonConfig, handlers)
- Template modal state (isTemplateModalOpen, setIsTemplateModalOpen)
- Form field callbacks (onWebsiteUrlChange, onNameChange)
- Custom mode detection (isCustomMode)
- Hook structure mirrors useCommonConfigSnippet for consistency