* refactor(#1170): remove hand-maintained INVENTORY count scalars
The `(N shipped)` heading counts in docs/INVENTORY.md were absolute
scalars that collided silently on merge: two branches each bumping the
same integer to N+1 produced a clean git merge whose value the merged
filesystem (N+2) contradicted, hard-failing inventory-counts.test.cjs on
the CI merge commit across all platforms (DEFECT.INVENTORY-MERGE-UNDERCOUNT).
- Strip the six `(N shipped)` heading counts + the two prose footnote
counts; repoint the intro to INVENTORY-MANIFEST.json as the registry.
- Drop the decorative `generated` date from the manifest + its
strip-before-compare branch in gen-inventory-manifest.cjs (it conflicted
on cross-day merges and is read by nothing).
- Delete inventory-counts.test.cjs (scalar-vs-disk gate, the collision
source); its drift protection is subsumed by the merge-safe set-membership
test inventory-manifest-sync.test.cjs, which stays as the sole gate.
- Add inventory-headings-countfree.test.cjs guard (fails if a count is
re-added to a heading).
- Fix already-broken count-bearing cross-doc anchors to stable count-free
slugs in ARCHITECTURE.md + multi-agent-orchestration.md.
- Retire the now-impossible DEFECT.INVENTORY-MERGE-UNDERCOUNT + obsolete
RULESET.DOC-CONSISTENCY in CONTEXT.md; de-count DEFECT.INVENTORY-DRIFT;
correct stale MANIFEST-CANONICAL-KEY (all six families canonical).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
* chore(#1170): backfill changeset PR number (#1179)
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>