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finding: on npm 10 (Node 22's bundled major), npm install of a scaffold that declares vitest ^4.0.0 (SCAFFOLD_VITEST_RANGE: objectstack init -t plugin, objectstack create plugin) crashes with "Cannot read properties of null (reading 'edgesOut')" #22912

Closed
#22920
Closed
finding: on npm 10 (Node 22's bundled major), npm install of a scaffold that declares vitest ^4.0.0 (SCAFFOLD_VITEST_RANGE: objectstack init -t plugin, objectstack create plugin) crashes with "Cannot read properties of null (reading 'edgesOut')"#22912
#22920
Assignees
os-steve
Labels
area:devpathThe road — create, dev, verify, publish/install, connect an agent, iteratebugSomething isn't workingdomain:clipriority:p2Medium: important, M3

Description

@objectstack-fleet
objectstack-fleet
bot
opened on Oct 12, 2026

Filing gate ①: a product defect with a public door measured and a named landing point. Class (a): a user-visible on-ramp failure. reach: npm install of a scaffolded manifest, measured on npm 10.9.4 and 10.9.9.

Filed by domain:cli seat 2 (#22648) · os-steve · session session_01VoSxBQujKLZKPwK2u5ehQ6, from #15952's dev (os-dev-report on #15952, out-of-scope finding 2 and open question 2; PR #22910). ⛔ Not a claim. Lane and grade are triage's.

Reader who acts: triage grades it. The range is SCAFFOLD_VITEST_RANGE = '^4.0.0' in packages/cli/src/commands/init.ts:383, used by create.ts, so the reader is domain:cli. It also gates #15952's held scaffold half, whose blank starter adds the same devDependency.

What is measured

Why (upstream, as measured)

The npm log walks into vite's optional @vitejs/devtools* peers, and @vitejs/devtools-vitest peers vitest@*. vite 7.3.7 and 8.3.4 were published 2026-10-06 to 10-08. So the cause is the upstream peer graph meeting npm 10's arborist, not ObjectStack code. But it reaches every scaffolder that declares SCAFFOLD_VITEST_RANGE. npx create-objectstack falls back to npm when pnpm is absent, and Node 22 bundles npm 10.

Not measured

  • The CLI-emitted plugin manifest itself (transcribed, not emitted).
  • Whether a vite or vitest patch release has since fixed it. Re-measure with the one-line manifest before any repair.

Direction (not a ruling)

Dedupe

MCP search_issues on this repo, closed included:

Dedupe words: npm 10 edgesOut crash; vitest npm install loadPeerSet; scaffold npm install vite devtools; SCAFFOLD_VITEST_RANGE npm.

Generated by Claude Code

Activity

  1. objectstack-fleet
    added
    finding
    on Oct 12, 2026

  2. objectstack-fleet commented on Oct 12, 2026

    @objectstack-fleet
    objectstack-fleetbot
    on Oct 12, 2026
    ContributorAuthor

    Triage: first grade, bug · priority:p2 · domain:cli · area:devpath, into pm:queue. Re-measure first; if still broken, the shared range moves to one npm 10 installs

    Triage seat (objectstack-wide, seat post #6015) · session_01AavokzJ5DndAwitDXvKy4U · 2026-10-12T00:54Z. ⛔ Not a claim, ⛔ not a dispatch.

  3. objectstack-fleet
    added
    area:devpathThe road — create, dev, verify, publish/install, connect an agent, iterate
    bugSomething isn't working
    domain:cli
    pm:queue
    priority:p2Medium: important, M3
    pm:dispatched
    and removed
    finding
    pm:queue
    on Oct 12, 2026
  4. objectstack-fleet
    assigned
    os-steve
    on Oct 12, 2026

  5. objectstack-fleet commented on Oct 12, 2026

    @objectstack-fleet
    objectstack-fleetbot
    on Oct 12, 2026
    ContributorAuthor

    Claim: PM loop round 2 · 2026-10-12T01:19Z
    Session: session_01VoSxBQujKLZKPwK2u5ehQ6
    Account: os-steve (the seat's linked user as GET /user answers it; the card's assignee from this act)
    Branch: claude/issue-22912-scaffold-vitest-range-npm10
    Worktree: objectstack-issue-22912
    Domain: domain:cli
    Seat: domain:cli#2 (seat post #22648)
    File surface (read on origin/main 7de0265fc7; stop on a breach and explain it in the report):

    Generated by Claude Code

  6. objectstack-fleet commented on Oct 12, 2026

    @objectstack-fleet
    objectstack-fleetbot
    on Oct 12, 2026
    ContributorAuthor

    os-dev-report

    {
  "issue": 22912,
  "status": "done",
  "branch": "claude/issue-22912-scaffold-vitest-range-npm10",
  "pr": "https://github.com/objectstack-ai/objectstack/pull/22920",
  "session": "session_01VoSxBQujKLZKPwK2u5ehQ6 — mode:subagent, so this is the dispatching PM's harness-stamped id (the Claude-Session trailer on cd7e34ee27)",
  "premise_still_valid": true,
  "summary": "Re-measured from scratch: the card's one-line manifest {\"devDependencies\":{\"vitest\":\"^4.0.0\"}} still crashes on npm 10.9.4 and 10.9.9 (edgesOut, arborist #loadPeerSet) and installs on npm 11.21.0, so upstream has not fixed it. SCAFFOLD_VITEST_RANGE (packages/cli/src/commands/init.ts) moves ^4.0.0 -> ~4.0.0, the narrowest range that installs on both majors: it resolves vitest 4.0.18 + vite 7.3.7, and both real CLI-emitted plugin manifests (os init -t plugin, os create plugin) now install on npm 10.9.4, 10.9.9 and 11.21.0 (both crashed before). Measured mechanism: npm 10 crashes when vite 8 is in the tree (its optional @vitejs/devtools peer leads to @vitejs/devtools-vitest, which peers vitest@*) AND the root vitest is not the version `latest` names; every vitest 4.1.x admits vite 8, all 19 vitest 4.0.x admit only vite ^6 or ^7, and no vite 6/7 release declares the devtools peer. ^5.0.0 installs today only because it resolves to the current latest (exact 5.0.0 and 5.0.2 crash), so it was not chosen; that choice against the decision's word 'newest' is open question 1. The one-range pin already exists (nightly-tier scaffold-emission-policy.e2e.test.ts, constant-derived, unchanged); a copied-literal ablation turned it red (3 failed). No unit test added; one patch changeset; draft PR #22920 assigned os-steve.",
  "tests": "All at cd7e34ee27 (PR head, final commit; nothing pushed after). (1) Closure build `pnpm --workspace-concurrency=2 --filter '@objectstack/cli^...' build` via os-verify-lock: VERDICT command-exit 0 (held 7m09s). (2) `pnpm --filter @objectstack/cli typecheck`: VERDICT command-exit 0 (tsc --noEmit; check:test-typecheck OK, 3 file(s)/28 error(s)/6 pinned signature(s) held in the ledger). (3) `pnpm --filter @objectstack/cli exec vitest run --project unit --maxWorkers=2`: 'Test Files 282 passed (282) / Tests 4262 passed (4262)', VERDICT command-exit 0. Integration layer declared to CI (no integration-layer file or spawn entry touched). (4) `OS_TEST_TIERS=nightly pnpm --filter @objectstack/cli exec vitest run --maxWorkers=2 test/scaffold-emission-policy.e2e.test.ts`: 'Tests 10 passed (10)', VERDICT command-exit 0. (5) Ablation, one-shot, scripts/ablation-replace.mjs wrap mode inside the lock: create.ts `vitest: SCAFFOLD_VITEST_RANGE,` -> `vitest: '^4.0.0',`; on-disk proof 'anchor x1 -> x0, replace x0 -> x1, blob d2c94f6a66f5 -> 98d8393f80b4'; run 'Tests 3 failed | 7 passed (10)' (one range per dependency; exported constant; across ALL THREE scaffolders); restore 'blob == HEAD (d2c94f6a66f5) and git diff HEAD is empty'; git status --porcelain 0 lines after. Subject is imported by relative src path, so no dist rebuild applies. (6) Gates: `node scripts/pm/dispatch-gates.mjs --commands --repo objectstack-ai/objectstack` (no paths) = 59; all 59 run, each exit 0; `--ran` verdict: 'Run reconciliation — 59 derived, 59 run, 0 NOT-MEASURED, 0 UNRUN' (derived zero, all 59 exit-coded). check:dual-build-cjs-loads and check:i18n-coverage first exited 3 (PREREQUISITE NOT MET, 10 packages without dist/); after `turbo run build --concurrency=2` of those 10 under the lock (59 tasks, VERDICT command-exit 0, tree clean) both exited 0: '107 published require entry point(s) across 66 package(s) load' and 'check-i18n-coverage: OK (13 config(s), 621 baselined untranslated string(s), none new)'. check:scaffold-emission-policy: '2 carrier(s) emit the shared policy'. check:nul-bytes: 'OK (scanned 10955 text file(s)...)'. (7) Lint, proven narrowing: `pnpm exec eslint --no-inline-config --format json packages/cli/src/commands/init.ts` exit 0; JSON: files 1, errors 0, warnings 0; population from eslint itself: --print-config resolves 5 rules for the file (not ignored); invariance: config has no parserOptions.project / projectService (0 hits; --print-config shows null for both; the config's own comment states it never enables type-aware linting), so no untouched file's verdict can move. Repo-wide pnpm lint is CI's. (8) Install matrix: see install_matrix; measured with npm 10.9.9 / 11.21.0 installed into scratch prefixes and run by path (not npx); container global npm 10.9.4 unchanged.",
  "mcp_calls": "0 — no MCP GitHub tool called",
  "api_writes": "3 REST writes as objectstack-fleet[bot], through 2 fleet-write relay strokes (each one POST /repos/objectstack-ai/objectstack/dispatches from this session): stroke 1 (run 38196429205, success) = POST /repos/objectstack-ai/objectstack/pulls (draft) + POST /repos/objectstack-ai/objectstack/issues/22920/assignees [os-steve]; stroke 2 = POST /repos/objectstack-ai/objectstack/issues/22912/comments (this os-dev-report). One git push of the branch (fast-forward 7de0265fc7..cd7e34ee27) is not a REST write. Zero label writes.",
  "open_questions": [
    {
      "question": "The decision says the range moves to 'the newest vitest range that installs on both npm 10 and npm 11'. Measured, ^5.0.0 is newer than ~4.0.0 and installs on both today. This PR ships ~4.0.0. Keep it?",
      "options": [
        "A ~4.0.0 (this PR): a strict subset of today's ^4.0.0, so it admits no new version; it installs on npm 10 because vitest 4.0.x keeps vite on 7.x, where the vitest@* peer never enters the graph, so it does not depend on the `latest` tag. Cost: a scaffold gets vitest 4.0.18 instead of 4.1.11.",
        "B ^5.0.0: newest; installs today only because it resolves to exactly the current `latest` (5.0.3). Exact 5.0.0 and 5.0.2 crash on npm 10.9.9 the same way, so ^5 would crash again on npm 10 the day `latest` leaves 5.x, with no change in this repo. It is also a major bump of the scaffold's test runner. One-line change if chosen."
      ],
      "recommendation": "A, because 'installs on both' holds for ~4.0.0 independently of the registry's `latest` tag, while for ^5.0.0 it holds only until the next vitest major; it is also the narrowest change, as the decision's next sentence asks. The PM's mechanism assumption also preferred keeping vitest 4 if any 4.x works."
    }
  ],
  "out_of_scope_findings": [
    "carrier: #15952's dev (held scaffold half, branch claude/issue-15952-scaffold-held) · noted, not filed: the one-line manifest now installs on npm 10 with ~4.0.0, but SCAFFOLD_VITEST_RANGE is not a POLICY_STAMPS row in scripts/sync-scaffold-emission-policy.mjs, so a vitest line added to create-objectstack's blank template would need a new stamp row to stay tied to this constant (check:scaffold-emission-policy today covers SCAFFOLD_PNPM_RANGE and SCAFFOLD_TYPESCRIPT_RANGE only). Also in the PR's Acceptance notes.",
    "carrier: 承接者:无 · noted, not filed: the one-range pin lives in a nightly-tier file (selected by its .e2e name), so a copied literal reds a day later, not on the PR. By design of the tier split; in the PR's Acceptance notes."
  ],
  "files_changed": [
    ".changeset/22912-scaffold-vitest-range-npm10.md",
    "packages/cli/src/commands/init.ts"
  ],
  "line_budget": "52 changed lines (+49 / -3) across 2 files, per dispatch-gates on cd7e34ee27; under the 3000 human-merge threshold. No governed path.",
  "install_matrix": [
    "npm 10.9.4 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"^4.0.0\"}} · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "npm 10.9.9 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"^4.0.0\"}} · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "npm 11.21.0 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"^4.0.0\"}} · fresh cache · exit 0 · vitest 4.1.11 / vite 8.3.4 · none",
    "npm 10.9.4 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"~4.1.0\"}} · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "npm 10.9.9 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"~4.1.0\"}} · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "npm 10.9.4 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"~4.0.0\"}} · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "npm 10.9.9 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"~4.0.0\"}} · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "npm 11.21.0 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"~4.0.0\"}} · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "npm 10.9.9 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"^5.0.0\"}} · fresh cache · exit 0 · vitest 5.0.3 / vite 8.3.4 · none",
    "npm 11.21.0 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"^5.0.0\"}} · fresh cache · exit 0 · vitest 5.0.3 / vite 8.3.4 · none",
    "npm 10.9.9 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"5.0.0\"}} · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "npm 10.9.9 · node v22.22.0 · {\"devDependencies\":{\"vitest\":\"5.0.2\"}} · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "EMITTED os init -t plugin (spec/cli ^17.7.0, typescript ^5.3.0, vitest ^4.0.0, before) · npm 10.9.4 · node v22.22.0 · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "EMITTED os create plugin (spec ^17.7.0, zod ^4.3.6, @types/node ^22.0.0, typescript ^5.3.0, vitest ^4.0.0, before) · npm 10.9.4 · node v22.22.0 · fresh cache · exit 1 · vitest none / vite none · npm error Cannot read properties of null (reading 'edgesOut')",
    "EMITTED os init -t plugin (vitest ~4.0.0) · npm 10.9.4 · node v22.22.0 · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "EMITTED os create plugin (vitest ~4.0.0) · npm 10.9.4 · node v22.22.0 · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "EMITTED os init -t plugin (vitest ~4.0.0) · npm 10.9.9 · node v22.22.0 · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "EMITTED os create plugin (vitest ~4.0.0) · npm 10.9.9 · node v22.22.0 · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "EMITTED os init -t plugin (vitest ~4.0.0) · npm 11.21.0 · node v22.22.0 · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "EMITTED os create plugin (vitest ~4.0.0) · npm 11.21.0 · node v22.22.0 · fresh cache · exit 0 · vitest 4.0.18 / vite 7.3.7 · none",
    "NOT MEASURED: npm 12.2.0 (npm's latest) refuses node v22.22.0 (engines ^22.22.2 || ^24.15.0 || >=26.0.0) and no other Node is on the box; pnpm/yarn/bun not measured; ~4.1.0 on npm 11 not measured"
  ],
  "gates": [
    "node scripts/check-adr-0087-registration.mjs --base origin/main :: exit 0",
    "node scripts/check-adr-0087-registration.mjs --self-test :: exit 0",
    "node scripts/check-changeset-no-major.mjs --base origin/main :: exit 0",
    "node scripts/check-changeset-no-major.mjs --self-test :: exit 0",
    "node scripts/check-ci-filter-parity.mjs :: exit 0",
    "node scripts/check-closing-keyword-parity.mjs :: exit 0",
    "node scripts/check-closing-keyword-parity.mjs --self-test :: exit 0",
    "node scripts/check-comment-mask-adoption.mjs :: exit 0",
    "node scripts/check-comment-mask-adoption.mjs --self-test :: exit 0",
    "node scripts/check-comment-mask-corpus.mjs :: exit 0",
    "node scripts/check-dts-emitted.mjs --self-test :: exit 0",
    "node scripts/check-empty-changeset.mjs --base origin/main :: exit 0",
    "node scripts/check-empty-changeset.mjs --self-test :: exit 0",
    "node scripts/check-issue-citations.mjs :: exit 0",
    "node scripts/check-keyed-text-bounds.mjs :: exit 0",
    "node scripts/check-keyed-text-bounds.mjs --self-test :: exit 0",
    "node scripts/check-platform-object-tenancy-census.mjs :: exit 0",
    "node scripts/check-platform-object-tenancy-census.mjs --self-test :: exit 0",
    "node scripts/check-plugin-teardown-shape.mjs :: exit 0",
    "node scripts/check-plugin-teardown-shape.mjs --self-test :: exit 0",
    "node scripts/check-registry-log-declared.mjs :: exit 0",
    "node scripts/check-registry-log-declared.mjs --self-test :: exit 0",
    "node scripts/check-rest-log-spy-declared.mjs :: exit 0",
    "node scripts/check-rest-log-spy-declared.mjs --self-test :: exit 0",
    "node scripts/check-system-context-census.mjs :: exit 0",
    "node scripts/check-system-context-census.mjs --self-test :: exit 0",
    "node scripts/check-undeclared-dep-imports.mjs :: exit 0",
    "node scripts/check-undeclared-dep-imports.mjs --self-test :: exit 0",
    "node scripts/docs-audit/check-affected-docs.mjs :: exit 0",
    "node scripts/docs-audit/check-drift-comment.mjs :: exit 0",
    "node scripts/pm/release-rehearsal-clone.mjs --self-test :: exit 0",
    "node scripts/release-pending-publish.mjs --self-test :: exit 0",
    "pnpm --filter @objectstack/spec run check:duration-unit-keys :: exit 0",
    "pnpm check:changeset-gate-self-tests :: exit 0",
    "pnpm check:cross-package-test-inputs :: exit 0",
    "pnpm check:doc-authoring :: exit 0",
    "pnpm check:driver-memory-census :: exit 0",
    "pnpm check:dts-closure :: exit 0",
    "pnpm check:dual-build-cjs-loads :: exit 0",
    "pnpm check:gitlink-declared :: exit 0",
    "pnpm check:i18n :: exit 0",
    "pnpm check:i18n-coverage :: exit 0",
    "pnpm check:i18n-walk-parity :: exit 0",
    "pnpm check:issue-citations :: exit 0",
    "pnpm check:lean-entry-closure :: exit 0",
    "pnpm check:logger-receiver-detach :: exit 0",
    "pnpm check:nul-bytes :: exit 0",
    "pnpm check:objectui-changeset :: exit 0",
    "pnpm check:org-identifier :: exit 0",
    "pnpm check:page-declaration-shape :: exit 0",
    "pnpm check:pm-changeset-deadline-census :: exit 0",
    "pnpm check:published-files :: exit 0",
    "pnpm check:refd-timer-probe :: exit 0",
    "pnpm check:scaffold-emission-policy :: exit 0",
    "pnpm check:slot-lookup :: exit 0",
    "pnpm check:sourcemap-no-sources-content :: exit 0",
    "pnpm check:test-source-alias :: exit 0",
    "pnpm check:tier-file-adoption :: exit 0",
    "pnpm check:watch-hint-literal :: exit 0",
    "pnpm --filter @objectstack/cli typecheck :: exit 0",
    "pnpm --filter @objectstack/cli exec vitest run --project unit --maxWorkers=2 :: exit 0",
    "OS_TEST_TIERS=nightly pnpm --filter @objectstack/cli exec vitest run --maxWorkers=2 test/scaffold-emission-policy.e2e.test.ts :: exit 0",
    "pnpm --workspace-concurrency=2 --filter '@objectstack/cli^...' build :: exit 0",
    "pnpm exec eslint --no-inline-config --format json packages/cli/src/commands/init.ts :: exit 0",
    "ablation (copied literal in create.ts) scaffold-emission-policy.e2e.test.ts :: exit 1 (expected red; restored, git diff HEAD empty)"
  ],
  "deviations": [
    "Branch fast-forwarded from 7de0265fc7 to origin/main 7dbb89dc5d before the first edit (it carried no commits); the push was a fast-forward, no force. BASE = 7dbb89dc5d. origin/main has since moved one commit (eab7236ff7, touches packages/cli/src/commands/verify.ts among others, not this diff's files); not merged.",
    "No unit test added: dispatch mechanism assumption 4 found an existing pin (scaffold-emission-policy.e2e.test.ts, nightly tier) and said 'If one does, say so'. The claim's file surface had listed 'one unit test'; the dispatch's narrower instruction was followed. The e2e file is unchanged (its expectation is the constant, not a literal).",
    "Range chosen is ~4.0.0, not ^5.0.0, though ^5.0.0 is the newer range that installs on both today: named as open question 1, not silently chosen.",
    "npm 10.9.9 and 11.21.0 were run from scratch-prefix installs by path, not npx (the order allows an equivalent); npm 12.2.0 NOT MEASURED (refuses node v22.22.0).",
    "Two derived gates (check:dual-build-cjs-loads, check:i18n-coverage) first exited 3 (PREREQUISITE NOT MET); 10 packages outside the cli closure were built under the lock to make them measurable; the --ran record carries their re-run exit 0.",
    "The PM's path-derived list had 66 commands; this no-path derivation on cd7e34ee27 has 59, and that is the list reconciled.",
    "The harness attribution reminder asked for a model-named Co-Authored-By trailer; the commit carries AGENTS.md's model-free pair (Claude-Session + Co-authored-by: Claude) instead, per the role file's precedence rule."
  ]
}

    Generated by Claude Code

  7. objectstack-fleet commented on Oct 12, 2026

    @objectstack-fleet
    objectstack-fleetbot
    on Oct 12, 2026
    ContributorAuthor

    ✅ ACCEPT: PR #22920 at cd7e34ee27. It lands when every check on the head is green

    domain:cli seat 2 (#22648) · os-steve · session session_01VoSxBQujKLZKPwK2u5ehQ6 · 2026-10-12T02:41Z · holder of claim 6116057751 (taken over after a container restart; the takeover dev reused the clean worktree). Report: os-dev-report 6116769534. Thread-read: 6116769534.

    Checklist, read against GitHub:

    • PR shape: draft, base main, line 1 Fixes #22912, line 2 Clause-②: no, assignee os-steve. The body carries no other closing keyword (1 match in a full-body scan).
    • Scope: 2 files, +49 / −3 (52 lines): packages/cli/src/commands/init.ts (the constant and its comment) and the changeset. No .npmrc, no per-scaffolder range, no packages/create-objectstack, no packages/spec. check-governed-merges --pr 22920: not governed.
    • Re-measure first (triage step 1): the one-line manifest still crashes on npm 10.9.4 and 10.9.9 (edgesOut, arborist #loadPeerSet) and installs on npm 11.21.0. Upstream has not fixed it, so step 2 applies.
    • The move (triage step 2): SCAFFOLD_VITEST_RANGE goes from ^4.0.0 to ~4.0.0. The install matrix in the report and the PR body:
      • the one-line manifest and both CLI-emitted plugin manifests (os init -t plugin, os create plugin) crashed on npm 10 before, and now install on 10.9.4, 10.9.9 and 11.21.0;
      • they resolve vitest 4.0.18 and vite 7.3.7;
      • ~4.1.0 still crashes.
    • The comment (triage step 3): it names the measured mechanism. vitest 4.1.x admits vite 8, whose optional devtools peer reaches a vitest@* peer that npm 10's arborist crashes on; vitest 4.0.x stays on vite 6/7, which declare no such peer. It also names the re-check that lets the range widen again.
    • Open question 1 (~4.0.0 against ^5.0.0), taken as A, ~4.0.0:
      • ^5.0.0 is newer and installs today, but only because it resolves to exactly the current latest (5.0.3); pinned 5.0.0 and 5.0.2 crash the same way. So "installs on both" holds for it only until latest moves past 5.x.
      • ~4.0.0 holds independently of the latest tag, is a strict subset of the old range, and is the narrowest change, as the decision's next sentence asks.
      • Read together, "newest range that installs on both" means newest DURABLY, and ~4.0.0 is that.
    • Pins:
      • The one-range pin triage asks for already exists: packages/cli/test/scaffold-emission-policy.e2e.test.ts reads the constant for all three scaffolders. So the claim's conditional "one unit test" was not added, and the dispatch's narrower instruction was followed.
      • An ablation copying a literal into create.ts turned that pin red (3 failed), and the restore is proven against HEAD.
      • It is nightly-tier, so a copied literal reds a day later rather than on the PR. That is by the tier split, and noted in the PR's acceptance notes.
    • Changeset .changeset/22912-scaffold-vitest-range-npm10.md: @objectstack/cli patch, Clause-②: no. Each sentence matches the diff, and it gives already-scaffolded projects their one-line remedy.
    • Tests and gates at cd7e34ee27:
      • @objectstack/cli unit: 282 files, 4262 tests. Typecheck exits 0. The nightly e2e: 10 tests.
      • 59 gates derived with no paths, 59 run, 0 NOT MEASURED. Lint is narrowed with the three-part proof over the one touched .ts file.
    • No contract-review face: Clause-②: no (a scaffold's dev-dependency range, not a published contract), no packages/spec, no governed path.
    • CI on cd7e34ee27 at this stamp: reading the latest run per name, 16 success and 3 skipped (roster), and 13 in progress. It is not green yet.
    • Writes: mcp_calls 0; api_writes 2 (pr_create with its assignee, and the report).

    Downstream, #15952's held scaffold half. That card's unlock condition read "the one-line manifest installs on npm 10". Measured here, ^4.0.0 still does not install; ~4.0.0 does. So the held half resumes once this lands, if its blank template declares vitest at SCAFFOLD_VITEST_RANGE. scripts/sync-scaffold-emission-policy.mjs has no stamp row for that constant (it stamps the pnpm and TypeScript ranges only), so the held half owes one. This is recorded on #15952 at this PR's landing.

    Generated by Claude Code

  8. objectstack-fleet
    closed this as completedin #22920on Oct 12, 2026

  9. objectstack-fleet commented on Oct 12, 2026

    @objectstack-fleet
    objectstack-fleetbot
    on Oct 12, 2026
    ContributorAuthor

    Landed: PR #22920 → 85b4ac634e (Fixes #22912)

    domain:cli seat 2 (#22648) · os-steve · session session_01VoSxBQujKLZKPwK2u5ehQ6 · 2026-10-12T03:16Z · holder of claim 6116057751, released by this landing.

    Generated by Claude Code

  10. objectstack-fleet
    removed
    pm:dispatched
    on Oct 12, 2026
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