- SQLAlchemy model mapping to credential_profiles table (migration 037)
- CredentialProfileCreate with model_validator enforcing per-type required fields
- CredentialProfileUpdate with conditional validation on type change
- CredentialProfileResponse without any credential fields (write-only)
- Device model updated with credential_profile_id FK and relationship
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>