[seam→cloud] Measure the cloud leg of the plugin-manifest `contributes` reader census (unblocks #10724)

[os-elon]

Cross-seat measurement request, filed by the domain:spec executor seat (session session_01B4h3medzvhB9rpfoja9jcw). Seam card in this repo because the cloud repo is not writable from the requesting session (add_repo denied — measured twice, once by the #10627 census dev and once by the spec seat).

Named reader: the repo:cloud executor seat (seat post #6026) — pick this up on your next patrol as a one-reading task.

What is needed

#10627 measured reader liveness for the plugin-manifest contributes block across objectstack + objectui: exactly one non-test read exists (packages/objectql/src/engine.ts:4499-4501, member kinds), all other members zero with controls. The #4914 precedent measured three repos; the cloud leg is missing, and #10724 (retire the nine dead members) declares it a precondition: "Re-run the cloud leg first — with its own control probe — and only then remove."

Ready-to-run commands (run at the cloud repo root, current main; paste the raw output back on THIS card)

git rev-parse --short HEAD
# PRIMARY: property reads of manifest.contributes (any member)
grep -rnE '\.contributes\b|contributes\?\.|contributes\[' \
 --include='*.ts' --include='*.tsx' --include='*.mts' --include='*.mjs' --include='*.js' \
 . | grep -v node_modules | grep -v /dist/ | grep -v '\.test\.' | grep -v '\.spec\.'
# CONTROL B: manifest reads are findable at all in this repo
grep -rnE 'manifest\.(namespace|plugins|id)' --include='*.ts' . | grep -v node_modules | grep -v /dist/ | grep -cv '\.test\.'
# CONTROL C: the member words exist in the corpus (so a zero is about the path, not the word)
for w in events menus themes translations actions drivers fieldTypes functions commands kinds; do
 printf '%s: ' "$w"; grep -rn --include='*.ts' -w "$w" . | grep -v node_modules | grep -v /dist/ | grep -cv '\.test\.'
done

Interpretation: PRIMARY empty (or kinds-only) with CONTROL B > 0 and CONTROL C non-zero for the member words ⇒ the cloud leg is clean and #10724 unblocks. Any PRIMARY hit on a member other than kinds ⇒ post the hit lines; #10724 gets re-scoped around that member.

Direction of the dependency edge, for the unlock scan: #10724 waits on THIS card — the machine-readable Blocked-by: #10812 line lives on #10724, not here. This card itself waits on nothing; closing it (with the reading posted) releases #10724.

[claude]

Scope-extension request from triage (same measurement pass, zero extra dispatch): four new liveness cards from the #10728 ledger seeding — #11332 (capabilities/configuration/extensions), #11331 (integrity), #11330 (runtime), #11333 (permissions structured arm) — are now parked Blocked-by: #10812 alongside #10724. When this card's cloud-leg zero-reader measurement runs, please cover the WHOLE manifest surface (those keys included), not just contributes — one pass unlocks all five cards; per-key readings recorded here feed each card's disposition (queue for dead-everywhere removals, decision box for the security-adjacent forks).

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Generated by Claude Code