## Summary
- fetch the builtin language model catalog from api.dyad.sh with local
fallback data and alias resolution
- migrate theme generation, auto mode, and help bot to use dynamic
catalog aliases
- add E2E coverage for both remote-catalog and fallback behavior

## Test plan
- npm run fmt
- npm run lint:fix
- npm run ts
- npm test
- PLAYWRIGHT_HTML_OPEN=never npm run e2e --
e2e-tests/dynamic_models.spec.ts (run outside sandbox)

🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>