- Replace server-rendered HTML with React 18 + Vite + shadcn/ui dashboard
(mail list, detail panel, Extracted/Raw/Rendered tabs, sonner toasts)
- Add REST API endpoints: GET /api/mails, GET /api/mails/:id
- Fix MIME base64 body extraction (rewrite extractMailBodies with proper
multipart boundary parsing and atob decoding)
- Add isPromotionalEmail() pre-LLM filter (List-Unsubscribe, List-ID,
Precedence: bulk, ESP X-headers) to avoid wasting AI tokens on ads
- Fix codeAndLink() to use regex URL extraction instead of comma-split,
preventing layout break on URLs containing commas
- Add ASSETS binding to wrangler.toml.example for static frontend serving
- Migrate from npm to pnpm; add pnpm-workspace.yaml
- Add CLAUDE.md and update AGENTS.md with current architecture