# Copilot Compatibility Instructions

## Precedence
- Source of truth: `PROJECT_INSTRUCTIONS.md` (repo root).
- Agent workflow constraints: `AGENTS.md` (repo root).
- Bugfix protocol: `DEBUGGING_INSTRUCTIONS.md` (repo root).

If any guidance in this file conflicts with the root instruction files, follow the root instruction files.

## Current stack note
This repository is currently:
- Backend: Express (`backend/`)
- Frontend: React + Vite (`frontend/`)

Apply architecture intent from `PROJECT_INSTRUCTIONS.md` using the current stack mapping in:
- `docs/AGENTIC_CONTRACT_MAP.md`

## Safety reminders
- External DB only (`DATABASE_URL`), no DB container assumptions.
- No cron/worker additions unless explicitly approved.
- Never log secrets, receipt bytes, or full invite codes.