{"id": "card_doctrine_gate_closure", "kind": "note", "title": "A gate closes against a number, an owner, and a fallback", "body": "Symmetry of rigor: every gate closes against a number, an owner, and a fallback. Gate Zero is feasibility BEFORE form — the architecture is not permitted to proceed on enthusiasm, only on a first-order budget that closes. Numbers that are provisional are marked provisional (design targets, not measured performance).\n\nWHERE IT ALREADY BEARS WEIGHT — Stronger than what this project's own gate does. `tools/check.py` closes against a number (coverage floors, 0 false positives, a real exit code) but names no OWNER and no FALLBACK for a failing gate. The punch list has completion tests; it does not say who answers for each or what happens if one cannot close. Worth adopting.", "source": {"label": "a precision-instrument design bible — Matt Harris", "ref": "a precision-instrument design bible", "authority_tier": "author"}, "shelf": "doctrine", "box": "concept", "bands": ["doctrine", "architecture", "gate closure"], "subject": "A gate closes against a number, an owner, and a fallback", "connections": [{"to_card_id": "card_spine_doctrine", "relationship": "part_of", "evidence": "one of the recurring-architecture concepts"}], "author": "matt", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "durable", "surface": "secular", "generated": false, "extra": {"document": "a precision-instrument design bible", "concept": "gate_closure"}, "call": "doctrine.concept", "facets": {"concept": ["architecture", "gate closure"]}, "presentation": {"glyph": "•", "kind_label": "concept", "by": "a precision-instrument design bible — Matt Harris", "authority": "author", "posted": "", "standing": ""}, "neighbors": [{"id": "card_spine_doctrine", "title": "The recurring architecture — one pattern, several materials", "relationship": "part of", "why": "one of the recurring-architecture concepts", "href": "/card/card_spine_doctrine", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_doctrine_gate_closure", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_doctrine_gate_closure"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}