ERIFY Connect Slack app manifest & scopes

[erifystudio]

✨ Summary

Implement ERIFY Connect Slack integration (Socket Mode + app-level token).

🎯 Goals / Acceptance Criteria

• App-level token with scopes: connections:write, authorizations:read
• Socket Mode enabled and connected
• Slash command /erify replies “Crown alive 🔥”
• Manifest YAML committed at apps/slack/manifest.yaml
• Deployment notes in README

🧱 Context / Links

• Slack Dev Portal: https://api.slack.com/apps
• Security note: rotate old tokens, store in secrets

📦 Deliverables

• Code committed
• Env vars documented
• Screenshots / demo gif

👑 Ownership

Owner: @your-handle
Reviewers: @erifystudio/core
Labels: type:feature, area:integrations, priority:P1