supabase-development-guidelisted

# Supabase Development Guide ## Project conventions Read [references/project-rules.md](references/project-rules.md) for the relevant section when handling this task. Read only what applies; examples do not authorize releases, deployments or changes outside the user's scope. Always-loaded safety rules still apply. - Profile scope - Tooling — Deno, not npm - Migrations (`supabase/migrations/`) - Row-Level Security (the security boundary) - Edge Functions (`supabase/functions/`, Deno) - Documentation - Secrets - Local Checks vs CI - Deploying migrations - Git hooks & commits - Testing & CI