- Add 'auto' to Theme type
- Implement cycleTheme (light -> dark -> auto)
- Add autoTheme icon (sun with half-filled center)
- Listen to system theme changes in auto mode
Also includes some Prettier formatting fixes.
- Add ampcodeApi service for upstream URL, API key, and model mappings management
- Implement Ampcode configuration modal in AiProvidersPage
- Add complete i18n translations for Ampcode features (en and zh-CN)
- Enhance UsagePage with mobile-responsive chart improvements and legend display
- Optimize chart rendering for smaller screens
- Improve page layout styles (SystemPage, AiProvidersPage alignment)
- Add excludedModels field to ProviderKeyConfig type for Codex and Claude providers
- Add excluded models textarea input in Codex/Claude edit modal
- Display excluded models badges in Codex and Claude provider cards
- Fix header connection status badge vertical alignment with IP address
- Update dark theme to use pure black color scheme