Environment reference

Every environment variable Ticqex reads, where it comes from, and when it is required.

Variable	Source	Required for
`NEXT_PUBLIC_SUPABASE_URL`	`pnpm db:env` / Supabase dashboard	App + API
`NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY`	`pnpm db:env` / Supabase dashboard	App auth (client)
`SUPABASE_SECRET_KEY`	`pnpm db:env` / Supabase dashboard	Admin seed, server jobs
`SEED_ADMIN_EMAIL` / `SEED_ADMIN_PASSWORD`	`.env.example` defaults	`pnpm db:seed-admin`
`NEXT_PUBLIC_APP_URL`	init / you	Public URL; must be HTTPS for inbound email webhooks
`RESEND_API_KEY`	Resend API keys / init	Email enabled
`RESEND_WEBHOOK_SECRET`	`pnpm resend:setup-webhooks` / init	Svix verification of Resend webhooks
`SUPPORT_EMAIL` / `SUPPORT_FROM_NAME`	init / you	Outbound From address and display name
`TICQEX_CONFIG_FILE`	you (optional)	Override path of the activation config JSON

Verify with pnpm env:verify (Supabase vars) and pnpm config:check (activation config plus the env required by enabled integrations).