Binary pass/fail gate command for projman orchestrator integration.
- Invoked when Domain/Data label present on issue
- Checks FAIL-level violations only (speed optimization)
- Returns compact PASS/FAIL output for automation
- Graceful degradation when database/dbt unavailable
Completes the Domain Advisory Pattern for data domain.
Closes#375
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>