Cursor rule

1---
2description: Stack, key paths, and commands. Always applies.
3alwaysApply: true
4---
5 
6# Architecture
7 
8## Tech Stack
9 
10| Layer | Technology |
11|-------|------------|
12| Frontend | React 19, Tailwind 4, tRPC, shadcn/ui |
13| Backend | Express 4, tRPC 11 |
14| Database | MySQL (Railway), Drizzle ORM |
15| Auth | Email-only at `/login` |
16| AI | OpenAI (GPT-4o-mini) |
17 
18## Key Paths
19 
20- [server/routers.ts](server/routers.ts) — API procedures
21- [server/db.ts](server/db.ts) — Database access
22- [drizzle/schema.ts](drizzle/schema.ts) — Schema source of truth
23 
24## Reference
25 
26[CONTEXT_FOR_NEW_CHAT.md](CONTEXT_FOR_NEW_CHAT.md) for handoff and detailed context.
27 
28## Monitoring
29 
30`pnpm run monitor` — GitHub CI, Railway status, app health, Cloudflare (CLI). See [docs/MONITORING.md](docs/MONITORING.md).
31 
32## Environment
33 
34- **App boot:** `DATABASE_URL`, `JWT_SECRET`
35- **AI features (Roast, Tailor, Scribe):** `OPENAI_API_KEY`
36