Add Claude as a first-class OAuth provider in CCS CLI and dashboard.
Backend support already exists in CLIProxyAPIPlus (port 54545).
Changes:
- Add 'claude' to CLIProxyProvider type and profile detector
- Add Claude OAuth config (port 54545, --anthropic-login flag)
- Add Claude to oauth-port-diagnostics flow types
- Add Claude token discovery prefixes (claude-, anthropic-)
- Add Claude model catalog (Opus 4.5, Sonnet 4.5/4, Haiku 4.5)
- Add Claude logo and provider display name
- Update variant config types and adapters
Closes#380
- Add split-view provider editor with model mapping UI and JSON editor
- Implement persistent custom presets (save/load per provider)
- Add provider logos with white backgrounds for light/dark theme
- Integrate CLIProxyAPI control panel embed via iframe
- Add service manager for CLIProxyAPI lifecycle control
- Support variant logo display using parent provider
- Add categorized model selector with search and groups