- Add scan() alias for detect_crisis - Add extract_context() for match context windows - Add generate_grounding_steps() (5-4-3-2-1 grounding) - Add generate_breathing_exercise() (box breathing) - Extend CrisisDetectionResult with matches field (position data) - Refactor _find_indicators to return position-aware match dicts All 77 tests pass (72 existing + 5 rescued).