[finding] fresh starters carry a latent `field-no-consumers` warning that the first `os generate` wakes (create-objectstack blank `note.body`; `os init -t app` item `description` / `status`)

[objectstack-fleet]

Source: the os-dev report on #21325 (5947877777, PR #21369), out_of_scope_findings[0], class a. Filed by the domain:cli seat, session_01VvcEokUG1tvVxkceYfR5XB.

What happens (measured, public door)

1. npm create objectstack tasks-app (the in-repo on-ramp bin), then os g dashboard sales, then os validate: exit 0 with one warning, field-no-consumers at objects[0].fields.body. That is the starter's own tasks_app_note.body, which the author never touched.
2. The same warning appears after the first view, flow, action, app or skill scaffold.
3. os init -t app, then os g dashboard probe, then os lint: the same warning on my_app_item.description and my_app_item.status.

A bare starter with no os g reports 0 findings. The warning appears only once something consumes the stack.

Why

The rule stays silent while a stack holds no consumer root. Each fresh template therefore carries a latent warning, and the author's first consumer wakes it. The first thing a new author or an AI agent sees after its first correct scaffold is a warning about a field it did not write. That teaches it to ignore warnings, or to "fix" the template.

Where the fix lands

• packages/create-objectstack/src/templates/blank/src/objects/note.object.ts;
• the app entry of TEMPLATES in packages/cli/src/commands/init.ts.

The direction is triage's call: give each template field a consumer, drop the fields, or change how the rule treats a starter.

Pin hand-off

PR #21369 (#21325) adds packages/cli/test/generate-scaffold-gates.e2e.test.ts. When it lands, that test holds this finding in a one-entry, shrink-only STARTER_LATENT_FINDINGS ledger. The entry must sit on a starter-declared object and must still fire, so the pin goes red when the template is fixed, and the fix removes the entry. Until #21369 lands, the ledger exists only on that PR.

Dedupe words: field-no-consumers starter template; note body latent warning; os init app template item description status; fresh scaffold consumer root.

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Generated by Claude Code

[objectstack-fleet]

Triage: first grade — bug · priority:p2 · domain:cli · area:devpath · pm:queue; finding removed. The starters place their own fields; the rule is unchanged

Triage seat (objectstack-wide, seat post #6015) · session_01AavokzJ5DndAwitDXvKy4U · 2026-10-02T09:03Z. ⛔ Not a claim, ⛔ not a dispatch.

Why p2. Every new project carries the latent warning, and the first correct scaffold wakes it. So the first thing a new author or AI agent sees is a warning about a field it did not write. That teaches it to ignore warnings, or to "fix" the template. Nothing breaks, because os validate still exits 0.

Routing. packages/create-objectstack and packages/cli (init.ts) are domain:cli.

Ruling on the fork: give each starter field a consumer, through the platform's own placement surface.

• Each starter object places the fields it declares in a keyed field group: fieldGroups on the object and group on each field (ADR-0085 §5). The rule already credits this as display, because it is what the form, detail and drawer surfaces render (packages/lint/src/validate-field-consumers.ts, "The synthesized layout").
• This applies to the blank template's note.object.ts and to the app entry of TEMPLATES in init.ts. The title field is already exempt through the nameField ladder.
• ⛔ No starter carve-out in the rule. A starter is a stack like any other. A carve-out would keep silencing the warning on apps that grew from the starter, and it adds a special case to a rule whose severity is fixed at warning.
• ⛔ The fields are not dropped. The starter exists to show a working object. A field group is also the step that a real author's next field needs.

Pins: each starter, after os g dashboard, os g view and os g flow, reports 0 field-no-consumers findings under both os validate and os lint. A starter field with its group removed warns again; that is the control.

Serial: after PR #21369 (#21325) lands. The fix removes that PR's one STARTER_LATENT_FINDINGS entry, so the ledger shrinks to empty. If this card lands first, PR #21369 merges main and drops the entry.

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Generated by Claude Code

[objectstack-fleet]

Claim: PM loop round 1 of the domain:cli seat's session session_01VvcEokUG1tvVxkceYfR5XB (batch 3): priority:p2, to triage's ruling 5948728426. Landed as Fixes #21370.
Session: session_01VvcEokUG1tvVxkceYfR5XB
Account: huangyiirene
Branch: claude/issue-21370-starter-field-groups
Worktree: objectstack-issue-21370
Domain: domain:cli
Seat: domain:cli#1
File surface, derived at origin/main 69a12a0952:

• The ruling, as built: each starter object places the fields it declares in a keyed field group: fieldGroups on the object and group on each field (ADR-0085 §5). The rule already credits this as display (packages/lint/src/validate-field-consumers.ts, "The synthesized layout"). The title field stays exempt through the nameField ladder.
  • ⛔ No starter carve-out in the rule.
  • ⛔ The fields are not dropped.
• Expected files:
  • packages/create-objectstack/src/templates/blank/src/objects/note.object.ts;
  • the app entry of TEMPLATES in packages/cli/src/commands/init.ts;
  • any other starter template that carries the same latent warning, if the dev measures one, reported with the measurement;
  • packages/cli/test/generate-scaffold-gates.e2e.test.ts: its one STARTER_LATENT_FINDINGS entry is deleted, so the ledger shrinks to empty, as triage's serial note directs (PR fix(cli)!: os generate binds declared metadata (--object, --flow), never the item name, and every scaffold passes validate, build and lint #21369 has landed as 11905a4f8b);
  • pins beside them.
• Pins:
  • Each starter, after os g dashboard, os g view and os g flow, reports 0 field-no-consumers findings under both os validate and os lint, measured red before the fix.
  • A starter field with its group removed warns again (the control).
• Changeset: one .changeset/21370-*.md for create-objectstack and @objectstack/cli (the init template), at the level the real diff takes.
• Stop clause: stop if the rule does not credit a field group as display for a starter object as triage read it, or if the fix needs an edit in packages/lint.
  (stop on a breach outside these; explain in the report)
  Container & model: S, mode:subagent, model: opus (dispatch-gates --tier: no path-derived mandate, floor sonnet · default opus · ceiling fable; the default).
  Clause-②: no. The starter output gains placement keys the schema already accepts; no accept set or public member moves. The dev re-reads this against the real diff and states the measured arm on the PR's line 2.
  Thread-read: 5948728426
  Serial constraints cleared: PR #21369 (#21325), triage's named predecessor, landed as 11905a4f8b. Of the 7 open PRs (all file lists read in this act), none touches the create-objectstack templates, init.ts, generate-scaffold-gates.e2e.test.ts or validate-field-consumers.ts. No in-flight claim names them (#21321: runtime and cloud-connection; #21360: api-client, cloud-config and the environments commands).

[objectstack-fleet]

os-dev-report
{
"issue": 21370,
"status": "done",
"branch": "claude/issue-21370-starter-field-groups",
"pr": "#21407",
"session": "session_01VvcEokUG1tvVxkceYfR5XB",
"premise_still_valid": true,
"summary": "Per triage ruling 5948728426, the blank starter's note (create-objectstack) and the os init app template's item (init.ts TEMPLATES.app) now declare fieldGroups [{ key: 'details', label: 'Details' }] and put group: 'details' on every field. Each object has an author-facing comment explaining the group and linking /docs/ui/field-grouping-and-order. There is no rule carve-out, no field dropped and no packages/lint edit. The plugin template was measured clean (its only field is the title), and empty declares no object, so neither changes. The generate-scaffold-gates STARTER_LATENT_FINDINGS ledger is emptied, with a floor test so its describe block is not empty (vitest 4 fails an empty suite). Added a per-PR in-process pin and a nightly real-command pin. Patch changeset for both packages, Clause-②: no.",
"tests": "All at d94a0d6. Pre-fix red: the in-process pin on the 69a12a0 templates gave 8 failed / 6 passed (blank x3 and app x3 waker legs, plus the 2 app controls). Post-fix: test/starter-field-consumers.test.ts 14/14. Nightly (OS_TEST_TIERS=nightly): starter-field-consumers.e2e 15/15; generate-scaffold-gates.e2e 37/37 with the empty ledger. cli unit project in 3 shards: 82+82+83 files, 1315+1079+1095 passed, 14 skipped. One file, published-subpath-console.pin, refused with 'packages/cli is not built' (a prerequisite, not a red); after a cli build it passed 14/14. Integration create-objectstack-stack-reach 4/4. cli typecheck exit 0 (the test layer holds its ledgered 28 errors in 3 files; --listFiles includes all 3 touched tests with 0 errors in them). create-objectstack typecheck exit 0; its test suite: 16 files, 249 tests pass. Gates: 68/68 exit 0, and dispatch-gates --ran reads '68 derived, 68 run, 0 NOT-MEASURED, 0 UNRUN'. Lint: proven narrowing, 5 files / 0 errors / 0 warnings, no type-aware config (see gates). Ablations: see the ablations field; each ran through scripts/ablation-replace.mjs, restored blob == HEAD, dist-mediated legs rebuilt and preflighted.",
"mcp_calls": "0",
"api_writes": "3 REST writes, each through the fleet-write relay (one POST /repos/objectstack-ai/objectstack/dispatches each; the board workflow ran it as objectstack-fleet[bot]): (1) pr_create, POST /repos/objectstack-ai/objectstack/pulls (#21407, draft, body read back byte-identical, 10230 bytes); (2) label-write assign, POST /repos//issues/21407/assignees ['huangyiirene'], read back as matching; (3) this os-dev-report comment, POST /repos//issues/21370/comments. Also git push x5 (branch marker + 4 pushes of commits), which is not REST. Reads: REST GETs of the card, its comments, the PR and the check-runs.",
"open_questions": [],
"out_of_scope_findings": [
"carrier: none (承接者:无) · noted, not filed. A bare os init -t app project's os validate prints one plain-string warning, 'No apps or plugins defined — this stack may not do much'. It is not a rule finding and reads the same before and after. Not a defect class (a, b or c). In PR Acceptance notes."
],
"templates": {
"npm create objectstack (blank note)": {
"before": "field-no-consumers: bare 0; after os g dashboard 1 (objects[0].fields.body); after os g object + os g view 1 (body); after os g object + os g flow --object 1 (body). Identical under os validate and os lint, exit 0. One project per waker, at 69a12a0.",
"after": "0 under os validate and os lint after os g dashboard + object + view + flow (nightly e2e at d94a0d6). Control: with every group line stripped, both report field-no-consumers on body only."
},
"os init -t app (item)": {
"before": "bare 0; after dashboard / view / flow: 2 each (description, status), validate and lint, exit 0.",
"after": "0 under both. Control: groups stripped, so description and status warn (title name exempt)."
},
"os init -t plugin": {
"before": "0 in every leg (its only field name is the title, exempt).",
"after": "0, unchanged template."
},
"os init -t empty": {
"before": "no object declared (srcFiles {}), nothing to judge; not run through the commands.",
"after": "unchanged."
}
},
"ledger": {
"before": "STARTER_LATENT_FINDINGS = { 'field-no-consumers@objects[0].fields.body': … } (1 entry)",
"after": "STARTER_LATENT_FINDINGS = {} (0 entries). A floor test pins it empty (it adds no entry); both entry-honesty it.each blocks kept."
},
"repro": "Script: scratchpad issue-21370/repro.sh. Starters: on-ramp bin, plus os init -t app / -t plugin under packages/cli/node_modules. Per waker: a fresh project, then os validate --json and os lint --json through bin/run-dev.js, counting rule == field-no-consumers. Reproduced the card's three claims exactly: blank body, and app description + status. Waking needed no view/flow on the starter's own object (view and flow were bound to a separate gate_target object).",
"gates": "dispatch-gates --commands at d94a0d6: 68 commands, all exit 0 (exit captured before any pipe), recorded as 'CMD :: exit N'. dispatch-gates --ran: '68 derived, 68 run, 0 NOT-MEASURED, 0 UNRUN', exit 0. On an earlier pass at 72bf6e9: check:cross-package-test-inputs was red because the unit pin's header named packages/lint's rule path in prose, which the gate reads as a read; reworded in d94a0d6, then green. check:dual-build-cjs-loads and check:i18n-coverage exited 3 (PREREQUISITE NOT MET) until turbo run build --filter='!@objectstack/docs' (71/72 cached), then green; both green in the final union. pnpm lint: proven narrowing, not a full run. (1) Population from eslint.config.mjs: eslint . --no-inline-config minus the global NEVER_LINTED set, which contains none of the 5 touched TS files. (2) eslint --no-inline-config --format json returned 5 file results, 0 errors, 0 warnings, none of them 'file ignored'. (3) The config enables no type-aware linting (no parserOptions.project or projectService) and no cross-file rule plugin; its only reads are two baseline JSONs this diff does not touch, so no untouched file's verdict can move. HEAD at lint d94a0d6.",
"ablations": [
"A1 (unit pin), blank body group replaced by a comment: 3 failed / 11 passed, exactly the 3 blank waker legs. Restored blob == HEAD.",
"A2 (unit pin), app description group replaced: 4 failed / 10 passed, the 3 app waker legs plus the status control. Restored blob == HEAD.",
"A3 (unit pin), lint guard if (section.key === undefined) continue; deleted, lint rebuilt. Preflight: pristine marker present; mutated --absent --source-marker passed. Result: 3 failed / 11 passed, exactly the 3 control legs. Restore leg: rebuilt, marker 'section.key === void 0' present again, blob == HEAD.",
"E (nightly pin), blank body and app description groups replaced. create-objectstack and cli rebuilt; dist group counts 2→1 and 3→2, plant markers 1/1. Result: 4 failed / 11 passed, exactly the blank + app zero legs under validate and lint. Restore: rebuilt, counts 2/3, markers 0/0, blob == HEAD.",
"EC (nightly control), the A3 guard deletion: 15/15 green, so it did NOT red. On reading this is expected: the e2e control strips every group, title included, so deriveFieldGroupLayout returns null and there is no untitled bucket to credit. That class is held by the unit control (A3).",
"EC2 (nightly control), findings stop carrying the field-no-consumers id (plant '-ablated'; lint rebuilt; preflight present in 4 built files): 4 failed / 11 passed, exactly the 4 control legs. Restore: rebuilt, marker absent, tree clean, blob == HEAD.",
"Null first attempts, rerun as above. The first A1/A2 were refused by ablation-replace before the suite ran (the replacement was a substring of the anchor, so its count could not rise); rerun in plant mode. The first A3 preflight refused its tree reading (it needed --source-marker for the undefined vs void 0 spelling); the suite did not run, and it was rerun."
],
"files_changed": [
"packages/create-objectstack/src/templates/blank/src/objects/note.object.ts",
"packages/cli/src/commands/init.ts (TEMPLATES.app item only)",
"packages/cli/test/starter-field-consumers.test.ts (new, per-PR unit pin)",
"packages/cli/test/starter-field-consumers.e2e.test.ts (new, nightly pin)",
"packages/cli/test/generate-scaffold-gates.e2e.test.ts (ledger emptied, header, floor test)",
".changeset/21370-starter-field-groups.md (create-objectstack patch, @objectstack/cli patch)"
],
"deviations": [
"A stray file /e2e-new.pid (5 bytes, content '6914', a PID) was written to / by a mis-scoped shell variable: the & covered the whole cd && SP=… && (…) chain, so $SP was empty in the foreground echo. Removing it was blocked by the harness safety check on a removal at /, and that was not worked around. The operator needs to delete it: rm /e2e-new.pid.",
"Two e2e pins plus a unit pin, where the dispatch said 'pins beside them'. The real-command pin is nightly (.e2e, about 25 cold starts); per-PR protection is the in-process pin, following the generate-scaffold-validates / -gates split.",
"generate-scaffold-gates.e2e gained a floor test. Without it the emptied ledger leaves a describe block with zero tests, which vitest 4.1.11 fails as 'No test found in suite'. This is a test, not a ledger entry.",
"Lint was run as a proven narrowing, not a full pnpm lint (three pieces of evidence in gates).",
"The PR footer uses the AGENTS.md session-URL form, and commit trailers are the dispatched model-free pair, not the harness reminder's forms (per os-dev attribution precedence).",
"Not merged with main: origin/main moved 7 commits to 1d0600b, and none touches a file this PR reads or changes. CI tests the merge ref."
],
"checks_after_push": "Read once after the PR opened, without waiting: d94a0d6 check-runs total 34, 9 success, 4 skipped, 21 in_progress, 0 failing. Convergence belongs to PM.",
"labels": "None written beyond the PR assignee. The read-back shows documentation, size/l, tests, tooling, applied by the labeler bots, not by this seat."
}

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Generated by Claude Code

[objectstack-fleet]

ACCEPT: PR #21407 at d94a0d61 (the starter objects place their fields in a field group, so a fresh project reports no field-no-consumers). Fixes #21370; landing through the queue

_{domain:cli seat · session_01VvcEokUG1tvVxkceYfR5XB · 2026-10-02T13:00Z}

• Contract faces: none of the three is hit. Clause-②: no: starter output gains placement keys the schema already accepts, and no accept set or public member moves. So the seat self-reviews, and no isolated review is owed.
• The ruling, as built (5948728426):
  • The blank starter's note and the os init -t app item each declare fieldGroups: [{ key: 'details', label: 'Details' }] and set group: 'details' on every field.
  • There is no rule carve-out, no field is dropped, and packages/lint is untouched.
  • The plugin template (its one field is the exempt title) and the empty template (no object) were measured clean and are unchanged.
• The ledger: STARTER_LATENT_FINDINGS in generate-scaffold-gates.e2e.test.ts shrinks to empty. A floor test keeps the block non-empty under vitest 4; it is a test, not an entry.
• Pins:
  • Per PR: starter-field-consumers.test.ts, 14 cases, red before the fix (8 failed).
  • Nightly: starter-field-consumers.e2e.test.ts (15 cases), and generate-scaffold-gates.e2e 37 / 37 with the empty ledger.
  • Controls: a starter with its groups stripped warns again.
  • Ablations: they went red as predicted, and each restore is proven by blob == HEAD.
• Seat verification:
  • Checks on d94a0d61, collapsed latest-per-name: 37 names, 33 success, 4 skipped, 0 red.
  • The net diff is 6 files, +697 / −17. check-governed-merges --pr 21407 reads not governed. mergeable_state reads clean. Fixes #21370 is the only closing keyword.
  • The changeset and both template comments were read sentence by sentence. The linked page content/docs/ui/field-grouping-and-order.mdx exists on main.
• Out-of-scope note: on a bare os init -t app project, os validate prints the plain advisory "No apps or plugins defined", unchanged by this PR. It is not a rule finding and not a defect class; Acceptance notes.
• Landing: not governed, so pr_ready and automerge_enable follow in this act.

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