Shareable instruction files for Cursor, Claude Code, Copilot, Windsurf, and more — installed alongside your existing agent rules.
| Principle | Meaning for agents | |-----------|-------------------| | **Data before UI** | Treat database schema, migrations, and existing rows as sacred: can be updated, but carefully and structured. |
These rules reflect the **current** package layout (`server → {database, pubsub, mail, permission} → infra → core`). Use them for all new code reviews and CI checks.