- Wrap dashboard auth storage with API-key provider helpers derived from model registry providers
- Normalize provider display names and bridge set/clear/has API-key operations to AuthStorage credentials
- Expand route and onboarding tests for mixed OAuth/API-key states and API-key-authenticated setup paths
- Stabilize assignment-trigger heartbeat timing test by replacing fixed delays with waitFor assertions
- Add ModelOnboardingModal component with provider selection, API key input, and model verification flow
- Add API key authentication support to SettingsModal with clear-key functionality
- Trigger onboarding from App.tsx when modelOnboardingComplete setting is false
- Add comprehensive tests for ModelOnboardingModal and SettingsModal authentication
- Document model onboarding flow and API key auth in AGENTS.md and README
- Add CSS styles for onboarding modal, provider cards, and auth section
