- Add emailPrivacyStore (Zustand + persist) for global toggle state
- Add EmailPrivacyToggle component with eye open/closed icons
- Add pickDisplayValue() visibility-aware masking function
- Integrate toggle into provider detail, usage limits & playground pages
- Per-modal showEmail now uses global store (synced across all pages)
- Default: emails hidden; toggle persists across page reloads
- Add showEmails/hideEmails i18n keys
- Update CHANGELOG.md and openapi.yaml to v3.6.2
- Add models.dev sync engine (src/lib/modelsDevSync.ts) for pricing, capabilities, and model specs
- Fetch from https://models.dev/api.json (109 providers, 4,146+ models, MIT licensed)
- 4-layer pricing resolution: User Override > models.dev > LiteLLM > Hardcoded Default
- New model_capabilities DB table for synced capability data
- UI toggle in Settings > AI tab: enable/disable sync, configure interval (1h-7d), manual sync trigger
- Live stats dashboard showing provider/model/capability counts
- New API route /api/settings/models-dev for sync status and manual triggers
- Fix 39 missing i18n keys across all 30 languages (Memory & Skills tab fully translated)
- 25 unit + integration tests, 1,439 existing tests pass, lint clean, typecheck clean
Closes#979
