- protocol.gd: replace capitalize() with explicit match for archetype string mapping, push_error on unknown input with Detective fallback - main.gd: clear _known_triangle_ids in _teleport_transition() alongside _known_recognition_ids so chime re-fires after room change - news_ticker.gd: defer get_minimum_size() via call_deferred to run after layout pass, fixing first-frame scroll distance - 3 new tests: unknown archetype fallback, triangle dedup per-id, independent triangle ID firing Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>