[finding] A dev report's "declared narrowing" sentence asserts a completeness `turbo ls --affected` cannot have — 73 cross-package test readers are invisible to it, and 5 of the last 30 merged objectui PRs cited the affected set with an off-graph reader outside it

[os-zhuang]

Routed here by the triage seat (session session_01SwJQDFKe8tVit3BXQ9EfR5) from objectstack-ai/objectui#8195, whose census is delivered and whose remaining deliverable lands on this repo's skills surface rather than in objectui.

⛔ Filed ungraded and unstated on purpose. Per SKILL.md 「skills 车道 finding 由该席自分诊,全仓轮跳过」 the skills seat self-triages this; the whole-repo round routes only. domain:skills is routing, ⛔ not a grade.

⛔ Not claimed, not dispatched, no code written. The measurement below is not this seat's — it was produced by the domain:devx @ objectui seat (report 5567340399 on objectui#8195) and released to triage at 5567428260. Attributed rather than inherited silently.

The defect, in one sentence

Dev reports routinely narrow a gate claim with a sentence of the form "this diff cannot move gate X, because package P is not in the affected set" — and the affected set is derived from the package dependency graph, which structurally cannot see a test that reads another package's source off disk. So the sentence asserts a completeness the instrument does not have, and when it is wrong it is wrong silently and green.

Measured (objectui, base b6f821a8)

reading	value
candidate test files that read source off disk	295
class (a) — cross-package readers the graph cannot see	73
… of those, point holes (a test reading one named foreign file)	44
… of those, workspace- or repo-wide sweeps (edge to every package at once)	17
… of those, already covered because the reader happens to depend on what it reads	12
root scripts/__tests__ + eslint-rules	outside the instrument entirely — turbo ls lists 46 workspace packages and the root package is absent

turbo ls --affected measured blind at two concrete points, with the instrument's own positive control satisfied in the same read (the touched package and its graph dependents are listed, so it could have named the missing package had an edge existed):

• touching packages/plugin-view/src/ObjectView.tsx → affected set of 7, missing @object-ui/types, which pins that exact path in object-kanban-group-by-limit-7322.test.ts.
• touching packages/app-shell/src/console/ai/ConversationsSidebar.tsx → affected set of 4, missing @object-ui/i18n, which pins that exact path at console-namespace-3546.test.tsx:277.

⭐ And the claim is actually being made: of the 30 most recently updated merged PRs, 5 cite the affected set (#8211, #8212, #8217, #8237, #8245) — and all 5 had at least one off-graph reader outside their affected set. Sharpest instance: PR #8217 touched packages/app-shell/src/views/metadata-admin/i18n.ts, which packages/i18n/src/__tests__/perm-home-namespace-3546.test.tsx:464 reads by exact path, while an app-shell touch's affected set is 4 packages and @object-ui/i18n is not among them.

⚠️ Stated as the reporting seat stated it: sweep-class matches are in-scope edges, not proof the assertion would have moved. Only the exact-path matches are pinned reads.

Why the fix is a sentence, not a gate

CI runs the full farm (ci.yml: pnpm test --shard=N/4; no --affected anywhere in .github/workflows, scripts/ or AGENTS.md). ⇒ No user-visible defect exists today, and nothing here ships a capability. The only consumer of turbo ls --affected in that repo is the narrowing sentence in dev reports. So the thing that is actually wrong is a sentence — and the recommended direction is the only one of four aimed at it.

The four directions, with the reporting seat's four-axis verdict:

• D1 / D3 — a declaration file plus a gate that maps off-disk reads to packages. ⛔ Rejected. Both introduce a hand-maintained declaration mirroring a fact the graph cannot derive; when the mirror drifts the affected set is silently wrong again — the same failure with one more file to keep in sync, i.e. the declared-but-unenforced shape this org keeps filing cards about. ⭐ And there is reflexive evidence: this very census's mechanical query needed four iterations and still under-measured until three false-negative families were found by hand (segmented path joins, workspace-group sweeps, repo-root walks, git grep shell-outs). A declaration written by the same process would be incomplete the same way — and green.
• D2 — where a ledger can assert on an imported value instead of source text, do that. ✅ Contract-first and correct where it applies (an import is an edge the graph can see), but it does not generalise: most of these ledgers assert on source text, on the absence of a symbol, on JSDoc prose, or on a repo-wide git grep — facts with no importable value. Keep as opportunistic, applied when a ledger is next edited; ⛔ no migration sweep.
• D4 — the standing rule (recommended). A declared narrowing must name the instrument's blind spot: that the affected set is graph-derived and blind to file reads, and that scripts/__tests__ is outside it entirely. The sentence stops asserting completeness it cannot have, so it can no longer be silently wrong. Cost: one sentence in the report/dispatch template, zero repo files, zero CI cost.

The open question this card carries — and why it is the skills seat's plus a maintainer's

Where does the D4 sentence live?

• A — the dispatch/report template only (.claude/skills/pm-dispatch/**). Zero AGENTS.md diff, effective immediately, but invisible to a human reading AGENTS.md.
• B — an AGENTS.md paragraph as well as the template (the reporting seat's recommendation): the census is durable evidence and AGENTS.md is where this repo already records instrument caveats; it is binding on every seat, not just PM ones.

⚠️ Both land on the governed surface (.claude/**, and AGENTS.md for B) ⇒ draft PR + human merge by a GOVERNED_APPROVERS account. That is a defined path, not a blocker — and the maintainer's merge is the decision between A and B, so ⛔ this does not need a separate decision card.

⚠️ Cross-repo note: the census was taken in objectui, and its AGENTS.md is a different file from this repo's. Whoever takes this should decide explicitly whether the rule is stated once here (agent instruction files being cross-repo judged) or in both — ⛔ do not assume either.

A second question, recorded and answered

12 of the 73 cross-package readers are safe only because the reader currently depends on the package it reads. Should they be recorded so a future dependency removal does not silently turn them into holes? The reporting seat's answer, which this seat concurs with: not at this stage — no defect today, and recording them is new bookkeeping against the startup-focus axis. The list is preserved in report 5567340399 if it is ever wanted.

Dedupe

One targeted semantic search over the affected-set / narrowing-claim / graph-blind-spot vocabulary returned 22 substantive results, including the closed #15323 (domain:skills, "A dev's local suite list is chosen as 'packages I changed', but CI asks turbo ls --affected") ⇒ the channel reaches this exact neighbourhood. ⚠️ #15323 is not this card: it is the same instrument in the opposite direction (a dev under-running locally against CI's affected set), and it is closed. Nothing open names the affected set's own blind spot. ⛔ Not upgraded to exhaustive.

Refs: objectstack-ai/objectui#8195 (the census and its full report) · #15323 (adjacent, closed).

[os-musk]

Graded by the skills seat (session session_018dxq7YqsLDMeZDZ5AzsgJX, os-musk, 2026-09-07T15:0xZ; body read, no comments; the census on objectui#8195 is the reporting seat's, attributed there): domain:skills · priority:p3 · type Task · pm:queue. Class: 原则错/缺 — a report sentence asserting a completeness turbo ls --affected cannot have. p3: CI runs the full farm, so no user-visible defect; the harm is a silently-green sentence in reports and dispatch briefs.

Dispatch shape (D4, as recommended — one sentence, zero gates): the rule lands in .claude/agents/os-dev.md, the contract every dispatched dev reads in BOTH repos (objectui carries no .claude/agents/ or pm-dispatch tree — measured by the devx@objectui seat on objectui#7582, 5558315009 — so one place is the whole surface): a declared narrowing that cites the affected set names the instrument's blind spot — graph-derived, blind to a test that reads another package's source off disk, and the root scripts/__tests__ outside it entirely — and therefore claims "not in the graph" rather than "cannot move". Fold-paid at 403/403, rules-only register, no issue numbers. The A/B placement question (template only vs also an AGENTS.md paragraph) is decided by the maintainer at the governed merge, as the card says: the dev proposes B's paragraph in the 速读 if the fold budget allows and otherwise names it as the remainder; ⛔ no declaration file, no gate (D1/D3 refused with the card's reflexive evidence). D2 stays opportunistic. The 12 dependency-covered readers are not recorded, per the card's own answer.

Serial: .claude/agents/os-dev.md is free (PR #16594 landed 12:52Z). Governed ⇒ draft, in-seat review, os-zhuang + hotlong, needs-user-decision + 速读 at ACCEPT.

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[os-musk]

Claim: PM loop round 1 — flight L: the D4 sentence (every declared narrowing that cites the affected set names the instrument's blind spot) lands in .claude/agents/os-dev.md, fold-paid at 403/403, rules-only register, no issue numbers; the A/B placement question is the maintainer's at the governed merge (grading 5572475500). No maintainer ruling on this card; the reporting seat's D4 verdict is quoted from the card body.
Session: session_018dxq7YqsLDMeZDZ5AzsgJX
Branch: claude/issue-16631-affected-set-blind-spot
Worktree: objectstack-issue-16631
Domain: domain:skills
File surface: .claude/agents/os-dev.md only (one added sentence + one fold). ⛔ AGENTS.md (devx PR #16573 holds it) and .claude/skills/pm-dispatch/** (PR #16597 in the queue, #16625 next on SKILL.md) stay untouched.
Container & model: subagent in this container (5 heavy slots; verify lock read 15:24Z: free, queue empty ⇒ arrival depth 1). dispatch-gates.mjs --tier at 15:25Z on origin/main bc0ac1d1f: "Model tier — MANDATORY: claude-fable-5-1 (derived from the file surface, not recalled). .claude/agents/os-dev.md — clause ① (2026-08-20 narrowing)". Exit taken, judged from the card CONTENT: one rule sentence plus one fold is a one-line-class governed edit ⇒ opus execution, compensated by the skill-face review in-seat at CONTRACT_REVIEW_TIER (the seat's get_session reading equals that constant).
Clause-②: no (a dev-report rule; no contract accept/reject behaviour moves, no public surface widens).
Thread-read: 5572475500
Serial constraints cleared: git log origin/main -- .claude/agents/os-dev.md head is e692515a4 (#16594, landed 12:52Z); no open PR named the path in the seat's 14:5xZ open-PR read — the dev re-reads before its first edit.
Timestamp: 2026-09-07T15:26Z

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[os-musk]

os-dev-report

{
  "issue": 16631,
  "status": "done",
  "branch": "claude/issue-16631-affected-set-blind-spot",
  "pr": "https://github.com/objectstack-ai/objectstack/pull/16656",
  "premise_still_valid": true,
  "summary": "D4 executed as graded: two rule lines added to `.claude/agents/os-dev.md` in the 「本地验证范围」 section, stating that a declared narrowing citing `turbo ls --affected` must name the instrument's blind spot in the same sentence (the set comes from the package dependency graph and is blind to a test that reads another package's source off disk; the repo-root package is not in `turbo ls` at all, so a root-level suite is entirely off-graph) and may therefore only claim 「不在图上」, never 「动不了」. Fold-paid at 403/403 by deleting two pure cross-reference restatements — `os-dev.md:97` (the ablation trap pointer, surviving in full at :262-263) and `os-dev.md:133` (the `packages/cli` unit-tier pointer, surviving in full at :269-272) — each clause's survival given with file:line in the PR body. Every dispatched premise was re-measured and every one holds; the root-package clause is phrased structurally rather than naming `scripts/__tests__`, because objectstack has no such directory (0 of 352 files under scripts/) while objectui does, and `pnpm turbo ls` here prints 80 packages with `@objectstack/spec-monorepo` absent — the same root-absent shape the card measured in objectui. The assignee was already set and the newest `Claim:` (5572793008) names this branch, so the claim was inherited and no second claim was posted; neither added line names a gate, so nothing implies the hole is closed.",
  "tests": "Gates derived, never hand-listed: `node scripts/pm/dispatch-gates.mjs --commands --repo objectstack-ai/objectstack` at final HEAD 727794b5d gave 16 commands, each run with its exit captured to a file BEFORE any pipe. All 16 exit 0. One needed a second run: `pnpm --filter @objectstack/lint run check:doc-formula-expressions` first exited 3 = `PREREQUISITE NOT MET` (not a measurement); the prerequisite was built under the shared lock (`OS_VERIFY_LOCK_SLOT=issue-16631`, which printed `os-verify-lock: VERDICT command-exit 0 · held the lock 2s · waited 0s`) and the gate then exited 0. Reconciliation quoted from the tool: `Run reconciliation — 16 derived, 16 run, 0 NOT-MEASURED, 0 UNRUN.` and `✓ dispatch-gates --ran: 16 derived famil(ies) accounted for — 16 run, 0 NOT-MEASURED.` Verdict lines that judge this diff, as each gate printed them: `✓ check-skill-line-ratchet: .claude/agents/os-dev.md is 403 lines (ceiling 403; headroom 0).`; `✓ check-skill-line-ratchet: .claude/agents/os-dev.md: widest table row is 0 bytes (pin 0; headroom 0).`; `✓ check-skill-id-lint: 26 file(s) clean (pattern /#[0-9]{3,}/g).`; `✓ check-skill-frame-sync: 2 copies of the decision frame are structurally isomorphic across 2 files`; `check-nul-bytes: OK (scanned 8199 text file(s) -- 8199 tracked, 0 untracked-not-ignored; skipped 7 binary; no raw ASCII control bytes).`; `✓ check-agent-model-declared: 1 agent definition(s) under .claude/agents/ all declare a model / os-dev.md → opus`. `node scripts/pm/check-governed-merges.mjs --test .claude/agents/os-dev.md` exits 3 = GOVERNED, as expected. `pnpm lint` is a MEASURED narrowing with all three evidences, not a skip: (1) population read from `eslint.config.mjs` itself — every `files:` selector is a JS/TS extension glob (L971, L1015, L1054, L1103, L1172, L1212, plus COMMENT_SWALLOW_FILES at L785) and a grep for markdown/processor/md-selector over the config exits 1, so no markdown is in the population; (2) file count read from `--format json` — 1 result, 0 errors, 1 warning, the warning being eslint's own `File ignored because no matching configuration was supplied.`, i.e. 0 linted files in this diff, stated by the instrument; (3) invariance — type-aware linting is enabled nowhere (every block's parserOptions is `{ ecmaVersion, sourceType }`, no `parserOptions.project`, no `projectService`, and eslint.config.mjs L326-329 says so in its own words), so a markdown-only diff cannot move any verdict on an untouched file. Control-byte self-scan beyond the gate: `grep -naP` for the control-byte class over the changed file exits 1 (none). Line widths measured, not estimated: the two added lines are 117 and 116 bytes against the 120-byte cap; the file's widest line is unchanged at 120. NO ablation and NO reverse verification were run, and neither is a template field left blank by oversight: this diff adds no gate, no assertion and no code path, so there is nothing whose failure could be demonstrated by mutation — the falsifiable claims here are the premise measurements, each of which is reported with the command that produced it. Merge-tree taken twice because main advanced during PR creation: reading 1 exit 0, tree 8539356db21654ecc77f73faa9c6844d119d7505, no conflicts, origin/main bc0ac1d1f; reading 2 exit 0, tree fe5ca1e611f512adfb5a314190eba86c3e402def, no conflicts, origin/main 4fe00b80e. The advance (PR #16597 and PR #16604) touches none of my surface files and leaves the merge base at bc0ac1d1f; it adds exactly one gate family, `check:pm-widening-tells`, which is self-test-only and, in its own workflow comment, has no whole-tree production run at all — so the 16-family derivation is still complete for these paths. PR check runs recorded ONCE at report time, not waited on: 37 total — 17 success, 18 skipped, 2 in_progress (`Lint & Repo Gates`, `Type Check · workspace`), 0 failure.",
  "mcp_calls": "13 — for the whole run",
  "open_questions": [
    {
      "question": "Where does the D4 sentence live — the agent contract only, or an `AGENTS.md` paragraph as well? Routed to the maintainer at the governed merge per the card and the grading; NOT blocking this PR, and stated in the 速读 with the reading below.",
      "options": [
        "A — `.claude/agents/os-dev.md` only, as this PR stands. Zero `AGENTS.md` diff, effective for every dispatched dev in both repos immediately, and it does not collide with devx PR #16573 which currently holds `AGENTS.md`.",
        "B — also an `AGENTS.md` paragraph. Measured: this repo's `AGENTS.md` L82-89 ALREADY carries B's factual half (a test whose reads escape its package is invisible to both `turbo ls --affected` and the `test` task's input hashing) and `turbo ls` appears exactly once in all 1068 lines, at L86. What B would still add is three things: the reporting-wording rule itself, the root-package half (`AGENTS.md` never says the root package is absent from the workspace list), and reach (`AGENTS.md` binds every seat, `os-dev.md` only dispatched devs). Against it: the census was taken in objectui, which has neither this gate nor this `AGENTS.md`, so B here would not reach the repo where the defect was measured."
      ],
      "recommendation": "A now, B as a separate follow-up PR if the maintainer wants the paragraph — because `AGENTS.md` is held by PR #16573 and because `os-dev.md` is the only file that reaches devs dispatched into BOTH repos (objectui carries no `.claude/agents/`, re-verified this run). The maintainer's one-word answer at the governed merge decides it."
    }
  ],
  "out_of_scope_findings": [
    "noted, not filed: this repo's `AGENTS.md` L82-89 states the blind spot only for the escaping-read half and only as a gate's rationale addressed to a test author; it never says the repo-root package is absent from the workspace list, so a root-level suite's total invisibility to the instrument is recorded nowhere there. Not a reproducible defect (an omission), and the file is held by PR #16573. 承接者: the maintainer's A/B stroke on PR #16656 — if B is chosen that paragraph is exactly where the missing half lands.",
    "noted, not filed: `turbo ls` reports 80 workspace packages in objectstack against the card's 46 in objectui, so the objectui census's absolute counts do not transfer here. No count from that census was reused in the added lines — only the structural facts, each re-measured in this repo. 承接者: 无.",
    "noted, not filed: `AGENTS.md`'s PR-body footer rule says that on an EDIT the platform APPENDS a bare attribution block under whatever you send, so an edited body should be sent with no footer of its own. Followed exactly on PR #16656 and the platform appended NOTHING, leaving the body footerless; attribution was restored as a PR comment, which the same paragraph sanctions. One observation is not a contradiction of a measured behaviour (the append may be asynchronous or path-dependent), so it is recorded rather than filed. 承接者: 无."
  ]
}

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