8FF - Podcast Guest-Booking, Publish & Clip Cross-Post | 🎙️ Webhook+Schedule

## 🐘 Postgres (Daten-Backbone)

**Signup / Self-host:** https://supabase.com oder eigener Postgres.

**Key holen:** Connection-String / Host, DB, User, Passwort.

**Wo eintragen:** In JEDEM Postgres-Node → Credential `Postgres account` (aktuell `BLANK`).

**Erwartete Tabellen:**
- `guests(email, topic, status, fit_score, updated_at)`
- `episodes(id, title, status, publish_at, rss_url)`
- `clips(id, episode_id, platform, clip_url, caption, posted)`

DB-Host als ENV: `={{ $env.PODCAST_DB_HOST }}` (optional).