- Add matrix-onboarding-bot service that guides users through profile setup
- Extend mana-core-auth GlobalSettings with displayName, interests, onboardingCompleted fields
- Implement state machine for onboarding flow (NAME → INTERESTS → LANGUAGE → SUMMARY)
- Support commands: !start, !profile, !edit, !skip, !help
- Add German and English localization
- Integrate with mana-core-auth Settings API for profile persistence
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>