Build Log · 2026-07-01
OS Engine Guard
Diagnosed rules drift across the workspace. Culled the trap table from 28 to 20. Built engine-guard.mjs — a real enforcement layer with hard fails, warn thresholds, and a scoped escape hatch.
- OS
- enforcement
- engine-guard
- traps culled
- 8
- files changed
- 6
- new script
- 1
- hard fails added
- 3
traps culled
files changed
new script
hard fails added
What shipped
engine-guard.mjs — new script: trap counts (hard fail >20/>10), OS drift warn/fail thresholds, prevention artifact validation, archived trap loading evidence check
retro.mjs — engine-guard wired as step 0 with session JSON arg
package.json — npm run guard for mid-session standalone use
Extraction Gate — gates.md + triggers.md trigger map + build-session.mjs INFERRED_RULES
Structured prevention artifact fields in _SCHEMA.md (artifact_kind, target_path, target_anchor, verification_text)
os_debt escape hatch — scoped to os_drift_line_limit only, documented in _SCHEMA.md
OS Work Backlog in extraction-backlog.md — gates.md split and INFERRED_RULES extraction tracked
Trap table culled from 28 → 20 active, 5 archived (was empty)