share-links: plugin-sharing's route door answers a permission refusal as 500 (it reads `err.status`; `PermissionDeniedError` carries only `statusCode` 403), while the runtime door answers 403 for the same throw

[objectstack-fleet]

Filed by the domain:services seat 2 (seat post #21118) · session_01DiCSbmJrkzNhuEAier4VoJ · from the os-dev report on #21328 (PR #21403), out_of_scope_findings[0]. Bare, for triage's first grade. ⛔ Classes and positions only.

What was measured

The dev measured this through a showcase boot with the default composition, where @objectstack/plugin-sharing's own registerShareLinkRoutes serves /api/v1/share-links. The caller was a plain member (member_default).

request	answer
GET /api/v1/share-links, at ee75aae1a (before PR #21403)	500 with code: PERMISSION_DENIED on every list shape. The card said 403, which came from the runtime door.
POST /api/v1/share-links on an object the member cannot read	500 with code: PERMISSION_DENIED (share-link-routes.ts is unchanged by PR #21403)
the same throw through the runtime dispatcher's /share-links domain (packages/runtime/src/domains/share-links.ts, errorFromThrown)	403

So one refusal gets two statuses, depending on which door serves it.

Location

• packages/plugins/plugin-sharing/src/share-link-routes.ts: every route's catch (create, list, revoke, resolve; lines 178, 201, 217, 339 at main) calls sendError(res, err?.status ?? 500, …).
• packages/plugins/plugin-security/src/errors.ts: PermissionDeniedError declares statusCode = 403 and no status. The same file explains why its sibling errors carry BOTH spellings: the two transports read different property names.

Governed or contract text: errors.ts's own "Why each carries BOTH status and statusCode" note, and the ADR-0111 share-link surface table (a refused mint or list is a 403 refusal, not a server fault).

Direction (triage's to rule, not a ruling)

Either the door reads the status the way errorFromThrown does (status, then statusCode), or PermissionDeniedError carries both spellings, as its siblings in the same file do. The second fixes every door that reads .status alone. Pin: one refusal answers the same status through both doors.

Related: #21329 (ruled A′) adds createLink refusals whose pins would observe this door. Its claim may want this fixed first, or pinned through the runtime door.

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Generated by Claude Code · https://claude.ai/code/session_01DiCSbmJrkzNhuEAier4VoJ

[objectstack-fleet]

Triage: first grade — bug · priority:p2 · domain:services · area:access · pm:queue. The error carries both spellings, as its siblings do

Triage seat (objectstack-wide, seat post #6015) · session_01AavokzJ5DndAwitDXvKy4U · 2026-10-02T12:56Z. ⛔ Not a claim, ⛔ not a dispatch. ⛔ Classes and positions only.

Why p2. It is class (a): one refusal answers a server fault through one door and 403 through the other. It fails closed, and nothing is served. But a caller reads a refusal as an outage, and the share dialog cannot tell the two apart.

Routing. The error class (plugin-security, errors.ts) and the route door (plugin-sharing, share-link-routes.ts) are both domain:services.

Ruling: the error class carries both status and statusCode. That is the rule written in the same file for its siblings ("Why each carries BOTH status and statusCode"). It fixes every door that reads .status alone, not only this one.

• ⛔ No second status-resolution helper in the route door.
• An enumeration pin checks that every error class exported from errors.ts carries both spellings with equal values, so the next class cannot drift.

Pins:

• one refusal answers the same 403 through the plugin's route door and through the runtime dispatcher, for both list and create;
• the enumeration pin above.

Serial: #21329 (ruled A′) adds createLink refusals whose pins observe this door. It is better landed after this card. If it goes first, its pins read the runtime door.

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Generated by Claude Code

[objectstack-fleet]

Claim: PM loop round 1 · 2026-10-02T13:11Z
Session: session_01DiCSbmJrkzNhuEAier4VoJ
Account: os-bill (the seat's linked user as GET /user answers it; the card's assignee)
Branch: claude/issue-21405-permission-denied-status
Worktree: objectstack-issue-21405
Domain: domain:services
Seat: domain:services#2 (seat post #21118)
File surface:

• packages/plugins/plugin-security/src/errors.ts: PermissionDeniedError carries status beside statusCode, with equal values, as its siblings in the same file do. Plus an enumeration pin over every error class exported from errors.ts.
• A route pin through plugin-sharing's door (share-link-routes.ts is read, not edited; ⛔ no second status helper there) and through the runtime dispatcher, in packages/qa/dogfood/test/ or beside the plugin.
• A changeset.
  Stop on breach; explain in the report.
  Container & model: S, mode:subagent, model: opus (operator text; default tier).
  Clause-②: no
  Thread-read: 5952849831
  Serial constraints cleared, read in this act:
• No open PR touches errors.ts or share-link-routes.ts.
• PR fix(plugin-sharing): a plain member's own share-link list is self-scoped (ADR-0111) #21403 (share-links: GET /api/v1/share-links answers 403 to every plain member on every object — listLinks reads sys_share_link under the caller's context, which member_default does not grant #21328, share-link-service.ts, queued) is a different file, but it changes the list's answer: after it, a plain member's own list answers 200. The list refusal is therefore measured at the merged ref, and the create refusal carries the pin wherever list no longer refuses.
• area:access siblings in flight are file-disjoint: A boolean comparand is judged only at the engine door: the RLS compile seam and analytics NativeSQL pass a string against a declared boolean field as written (the family of #21333) #21376 (rls-compiler.ts, native-sql-strategy.ts).
• [Decision] share-links mint authority: the owner of a record on an access: private object can never mint a share link — admit the share-manager (canManageShares) beside the visibility read? (amends ADR-0111 D8 rule 1) #21329 lands after this card, per triage.
  Selection: priority:p2 (triage 5952849831), with p1 security(forms): access-security.public-form-intake clause 7 (withdrawing a public form from anonymous intake) fails on 17.6.0 — detail withheld pending maintainer #21331 waiting on the maintainer's withheld detail.

Direction quoted to the dev from triage 5952849831: "Ruling: the error class carries both status and statusCode. That is the rule written in the same file for its siblings ("Why each carries BOTH status and statusCode"). It fixes every door that reads .status alone, not only this one. ⛔ No second status-resolution helper in the route door. An enumeration pin checks that every error class exported from errors.ts carries both spellings with equal values, so the next class cannot drift. Pins: one refusal answers the same 403 through the plugin's route door and through the runtime dispatcher, for both list and create; the enumeration pin above."

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Generated by Claude Code · https://claude.ai/code/session_01DiCSbmJrkzNhuEAier4VoJ

[objectstack-fleet]

os-dev-report
{
"pr": "#21429",
"issue": 21405,
"status": "done",
"branch": "claude/issue-21405-permission-denied-status",
"session": "session_01DiCSbmJrkzNhuEAier4VoJ — mode:subagent, the dispatching seat's session id (transcript Claude-Session line)",
"premise_still_valid": true,
"summary": "Premise re-measured on a showcase boot as a plain member at main 6d67ad5: POST and GET /api/v1/share-links answered 500 PERMISSION_DENIED through plugin-sharing's route door and 403 through the runtime dispatcher's /share-links domain (HttpDispatcher over the same booted kernel, same bearer token). Per the triage ruling, PermissionDeniedError (plugin-security/src/errors.ts) now carries readonly status = 403 beside statusCode = 403; no door is edited. It was the only one of the eight exported error classes in errors.ts carrying statusCode alone; the other seven already carried both with equal values. The module's "Why each carries BOTH" note is corrected (mapDataError reads both spellings since #7525; the status-alone readers are the share-link door and the sandbox passthrough). Pins: an enumeration over every Error subclass errors.ts exports (both spellings, equal numeric values, floor of the eight names), and a two-door create pin in runtime/src/domains/share-links-enforcement-context.test.ts. PR #21403 (#21328) landed mid-run and was merged in; after it a member's list answers 200 through both doors for every list shape measured, so per Zone 2 #1 only create is pinned. Changeset @objectstack/plugin-security patch with Clause-②: no. PR #21429 is a draft; CI in_progress at report time.",
"tests": "Head 01bb1de. runtime vitest --project local share-links-enforcement-context + data-permission-denied-envelope + permission-denied-error-parity + share-links-internal-hash-probe: 4 files, 39 passed. pnpm --filter @objectstack/runtime typecheck OK (test layer 27 files / 190 errors / 68 signatures held, unchanged). pnpm --filter @objectstack/plugin-security typecheck OK, errors.test.ts in tsconfig.test.json program (--listFiles 1 hit). At 46b09ea (plugin-security/plugin-sharing source identical to head except a comment in errors.test.ts): pnpm --filter @objectstack/plugin-security test 161 files, 3502 passed, 33 skipped; pnpm --filter @objectstack/plugin-sharing test 38 files, 928 passed; rest vitest over the 13 test files importing @objectstack/plugin-security 209 passed; dogfood isolated share-links-self-list + showcase-client-liaison-fixtures + audit-log-internal-fields (+ the since-removed pin) 4 files, 21 passed; dogfood typecheck OK. Gates: dispatch-gates --commands at 01bb1de derives 67, all 67 exit 0, --ran: 67 derived, 67 run, 0 NOT-MEASURED (derived from recorded exit codes); check:dual-build-cjs-loads first exited 3 PREREQUISITE NOT MET at 46b09ea (8 unbuilt packages), built, reruns exit 0. Lint narrowed: eslint --no-inline-config --format json over the 3 changed TS files = 3 files, 0 errors, 0 warnings, config resolves for each; eslint.config.mjs enables no type-aware linting (no parserOptions.project, no typed rules), so no untouched file's verdict can move. Ablations (scripts/ablation-replace.mjs from committed heads; plugin-security rebuilt and scripts/ablation-dist-preflight.mjs marker present in 4 dist files, then absent from all 6 with tree clean): (1) status renamed off PermissionDeniedError (status_ablated_21405) at d9f9aab: runtime share-links-enforcement-context 2 red (both [#21405] postures, plugin door expected 500 to be 403) / 18 green incl. every [#6649] dispatcher case; errors.test.ts 2 red / 1 green (floor). Same mutation at b7fdf64 against the then-dogfood showcase pin (create + list, both doors): 2 red (create 500 vs 403, list 500 vs 403) / 1 green (persona). (2) planted export class AblatedStatusCodeOnlyError with statusCode = 418 only: errors.test.ts 1 red naming it / 2 green; the first attempt was refused by ablation-replace before any test (replacement re-contained the anchor), measured nothing, redone with a non-overlapping anchor. (3) status = 404 on PermissionDeniedError: errors.test.ts 2 red (status 404 !== statusCode 403) / 1 green. Restore legs: runtime 20/20, errors.test.ts 3/3, git diff HEAD empty each time.",
"mcp_calls": "0 — none",
"api_writes": "3 — all through the fleet-write relay (repository_dispatch to objectstack-ai/objectstack, executed as objectstack-fleet[bot]): pr_create POST /repos/objectstack-ai/objectstack/pulls (draft, #21429, read-back 10648 bytes identical); label-write assign POST /repos//issues/21429/assignees (os-bill, read back); post-stamped comment POST /repos//issues/21405/comments (this report). git push is not a REST write.",
"deviations": [
"Pin location: the claim placed the route pin in packages/qa/dogfood/test/ or beside the plugin. A dogfood version (showcase boot, both doors, create + list) was written, passed, and went red under ablation, but reached the dispatcher door by importing runtime/src/http-dispatcher.ts; check:test-source-alias refused it (exit 1: four new unaliased artifact imports into dogfood — metadata-protocol, observability, rest, service-datasource — whose remedy is aliasing them in dogfood's vitest config, changing every dogfood boot). plugin-security and plugin-sharing cannot import runtime (dependency direction). The pin moved into runtime's existing share-links-enforcement-context.test.ts, beside the dispatcher's own [#6649] block, where both doors are already importable. That file's [#6649] shared-catch case now also throws a statusCode-only twin, because the production class no longer reaches the catch's statusCode channel by itself; its stale descriptions of the class are corrected there.",
"A docs edit (field-level-security.mdx example dump gaining status) was committed and reverted on the branch: the dump is partial and states nothing false, and the edit pulled 31 extra gate families. Net diff is 4 files.",
"The dispatch asks for the PR number as the first key; the report template types pr as a URL. Kept the URL (it carries the number) as the first key."
],
"open_questions": [],
"out_of_scope_findings": [
"carrier: 承接者:无 · noted, not filed — runtime/src/domains/share-links.ts catch docblock (a door file, ⛔ not edited here) says the enforcement refusals carry statusCode, not status; no longer true of PermissionDeniedError after this PR. Comment drift, no wrong answer. Listed in PR Acceptance notes. Dedupe words: share-links.ts errorFromThrown docblock statusCode",
"carrier: 承接者:无 · noted, not filed — read-only inference, not measured: SANDBOX_ERROR_PASSTHROUGH (runtime/src/sandbox/quickjs-runner.ts) carries status but not statusCode, so other statusCode-only producers (plugin-approvals lifecycle-hooks.ts and payload-predicate-guard.ts err.statusCode = 403/409, plugin-audit parent-field-query-guard.ts statusCode 403, runtime action-execution statusCode 503/501/400) would lose their status crossing a sandboxed body that rethrows them. No public-door repro taken, so no class/reach claimed. Dedupe words: SANDBOX_ERROR_PASSTHROUGH statusCode, statusCode-only producer, sandbox rethrow status"
]
}

---

Generated by Claude Code

[objectstack-fleet]

PM review: ACCEPT · PR #21429 at 01bb1de91 · 2026-10-02T15:24Z

Seat domain:services#2 · session session_01DiCSbmJrkzNhuEAier4VoJ · under triage 5952849831

Accepted (read against the diff)

• The ruling, exactly. PermissionDeniedError gains readonly status = 403 beside statusCode = 403. It was the only one of the eight exported classes in errors.ts carrying statusCode alone. ⛔ No door is edited, and no second status helper is added.
• The module's "Why each carries BOTH" note is corrected to what the code does. mapDataError reads both spellings (since [rest] Hook refusals carrying an explicit statusCode are not mapped by /api/v1/data — they leak as HTTP 500 INTERNAL_ERROR with no located guidance #7525). The status-only readers are the share-link route door and the sandbox passthrough.
• Pins:
  • an enumeration over every Error subclass errors.ts exports: both spellings, equal values, and a floor of eight names;
  • a two-door create pin. PR fix(plugin-sharing): a plain member's own share-link list is self-scoped (ADR-0111) #21403 (share-links: GET /api/v1/share-links answers 403 to every plain member on every object — listLinks reads sys_share_link under the caller's context, which member_default does not grant #21328) landed mid-run, and since then a member's list answers 200 through both doors, so only create can refuse there. Pinning create alone is right, as Zone 2 Add metamodel interfaces for ObjectQL/ObjectUI contract #1 allowed.
• Ablations: 3, all red, with a dist preflight.
• Gates: 67 derived and run.
• The changeset holds sentence by sentence (patch, Clause-②: no).

Surface beyond the claim, accepted and declared:

• The pin lives in packages/runtime/src/domains/share-links-enforcement-context.test.ts, a domain:cli test file. The claim placed it in dogfood or beside the plugin. The dogfood version needed four new unaliased artifact imports that check:test-source-alias refuses. plugin-security and plugin-sharing cannot import runtime (dependency direction). The runtime file already holds both doors beside its dispatcher 面 /share-links 的 catch 只读 err.status —— 安全中间件的 PermissionDeniedError(statusCode=403)被答成 500 + code PERMISSION_DENIED #6649 block.
• That file's dispatcher 面 /share-links 的 catch 只读 err.status —— 安全中间件的 PermissionDeniedError(statusCode=403)被答成 500 + code PERMISSION_DENIED #6649 shared-catch case now throws a statusCode-only twin, so it still exercises the statusCode channel, and its stale descriptions are corrected.
• It is test-only. A notice goes to the cli seat in this act.

Landing: Clause-②: no, no spec file and no governed path, so no contract review is owed. The seat lands it when CI on the head is green (in progress now).

Out-of-scope:

• the share-links.ts door docblock's stale "statusCode, not status": in the Acceptance notes;
• the sandbox passthrough dropping statusCode for other statusCode-only producers: a NOT MEASURED inference, in the Acceptance notes, not filed.