8FF - Art Commission Studio Brief-to-Draft & Approval Automation | 🎨 Webhook

### 💬 Slack (Artist- & Team-Benachrichtigung)

**Signup / App:** https://api.slack.com/apps → *Create New App*.

**Scopes:** `chat:write`. Bot-Token (`xoxb-...`) kopieren.

**Wo eintragen:** Credential `slackApi` an den Notify-/Error-Nodes (operation = **post**).

Kanal-IDs als `$env.SLACK_ARTIST_CHANNEL_ID` und `$env.SLACK_TEAM_CHANNEL_ID`.