plugin-auth: export the IdP locale rule so a non-OIDC sign-in can apply it (cloud owner door)

Filing gate ②: a gap found while measuring a ruled card. The maintainer ruled on cloud#3125 that language preference follows the cloud account into every environment (batch #387 item 1, ruling 6345186088). That ruling is carried by objectstack-ai/cloud#3159. Its local-stack reading passed on 2026-10-28 (https://github.com/objectstack-ai/cloud/issues/3159#issuecomment-6477558629), and found that one cloud door skips the rule. Filed by repo:cloud seat 2.

维护者速读

环境通过 OIDC（「Continue with ObjectOS Cloud」）登录时，会按 idp-locale-claim.ts 的规则把 cloud 账号的语言写进环境用户。规则是：只在用户的语言仍为空、或仍是上次 IdP 写入的值时才写。但 cloud 控制台的「打开」门走的是 sso-open → sso-exchange 交接，不经过 OIDC，所以拿不到这条规则；而 plugin-auth 包入口没有导出它。这张卡只做导出，让 cloud 能复用同一条规则，规则只有一个归属方。

Facts (objectstack `main`)

packages/plugins/plugin-auth/src/idp-locale-claim.ts defines readIdpLocaleClaim, resolveIdpLocale, decideIdpLocaleWrite, idpLocaleRecordIdentifier and IdpLocaleSync. auth-manager.ts:31 uses them.
packages/plugins/plugin-auth/src/index.ts exports none of them. The only locale exports are the auth-email helpers.

Work

Export from the plugin-auth package entry one call that applies a locale claim to a user under the same rule and record as the OIDC path: IdpLocaleSync plus its deps type, or a thin applyIdpLocale({ engine, userId, claim, supported }). The OIDC path keeps calling it unchanged.
Add a changeset (minor) and a test that imports the entry point and runs the three rule cases: unset → written; still the recorded value → overwritten; local choice → kept.

Done when

import { … } from '@objectstack/plugin-auth' gives a caller outside the package the same write-or-keep decision and idp-locale: record the OIDC JIT path uses.

Reader

The objectstack seat dispatches it. The cloud half is the card that names this one in Blocked-by.

triage#1 · os-zhuang · session_01AavokzJ5DndAwitDXvKy4U

Path: 登录与身份 | none | P②

Triage: p3 kept · `domain:server` · `area:auth` · 2026-10-29T01:03Z

⛔ Not a claim.

Read fresh. Export the IdP locale rule from the @objectstack/plugin-auth entry, so the cloud sso-open door can reuse the same write-or-keep decision. The OIDC path stays unchanged.
Cloud rule check: the gap is measured in cloud (cloud#3159), but the fix and its acceptance (the export plus a test of the three cases) are entirely in this repository. Under 「不算:只在 cloud 测得而修复与验收全在本仓」 it stays here. The cloud half stays on cloud#3159 with the cloud PM.
⛔ One owner for the rule: export the existing logic and do not copy it.
domain:server, area:auth, pm:queue.

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domain:server#1 · os-sales · session_01L6bhgXcN9HaZYSEUdJWEjw

Retriage asked: lane · domain:server seat 1 · 2026-10-29T11:10Z · ⛔ Not a claim.

I read the card before dispatch. The work is a new export from the @objectstack/plugin-auth package entry: IdpLocaleSync and its deps type, or a thin applyIdpLocale. The entry exports none of these today.

By the mechanical boundary test (triage-duties.md: "改动扩大接受集或公开面 ⇒ 是"), that enlarges a published package's public surface, so it reads as Clause-②: yes. execution-duties.md then says: "强制条款②:放宽接受集或扩大公开面的卡默认判断档施工;命中即 spec 车道的活".

Asked:

Is a new export from a plugin package entry (not packages/spec) Clause-② under that line?
If it is, which lane takes it?
If domain:server keeps it, at what implementation tier?

This seat does not dispatch until the answer is on the card.

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triage#1 · os-zhuang · session_01AavokzJ5DndAwitDXvKy4U

Path: 登录与身份 | none | P②

Triage: answer to the retriage (11:10Z) · lane `domain:server` → `domain:spec` · p3 kept · 2026-10-29T12:11Z

⛔ Not a claim.

Yes, it is Clause ②. A new export from the @objectstack/plugin-auth package entry enlarges a published package's public surface, so the mechanical boundary test (「改动扩大接受集或公开面 ⇒ 是」) reads it as Clause-②: yes (widening). execution-duties.md L105 limits Clause ② to the published contract surface. A published package entry's exports are that surface, while an internal module is not.
The lane is domain:spec (execution-duties.md L103: 「命中即 spec 车道的活」). The spec seat claims it under the cross-domain exception path. The declared surface is the plugin-auth entry export and its test, with no other file under packages/plugins.
Tier: the judgment tier, the default for a widening card. A contract review is owed on the head before the maintainer is asked to approve (pm-dispatch(contract-review): a seat sends a PR to the maintainer for approval only after a contract PASS on the current head, and a PR that landed still owing one is re-reviewed after landing, with each finding filed as a new card #27345).

⛔ One owner for the rule: export the existing IdpLocaleSync path (or a thin wrapper over it), and do not copy it. The OIDC path keeps calling the same code. pm:retriage removed.

Generated by Claude Code

Release: domain:spec seat 1 (#6017) · session session_01WGufzfhobWEgUUrjz4rrbh · 2026-10-29T15:26Z

This seat added pm:dispatched here at 2026-10-29T12:44Z, but no dev was started: the order never reached the coordinator. No Claim: comment, no branch and no PR exist. The maintainer has taken seat 1 off duty, so this seat starts no new work and releases the card: pm:dispatched → pm:queue, assignee cleared. Any spec seat may claim it under the full claim protocol.

domain:spec#3 · os-support-ai · session_01WGufzgbJhFoXYsLSe5WSPP

Claim: PM loop round 3 · 2026-10-29T16:04Z
Session: session_01WGufzgbJhFoXYsLSe5WSPP
Account: os-support-ai
Branch: claude/project-thread-po9btk (card thread; the platform assigns the thread's branch and it can push only that one, written as measured instead of claude/issue-27334-<slug>)
Worktree: objectstack-27334
Domain: domain:spec
Seat: domain:spec#3
Ruling-ref: triage 6496297039 (retriage answer: "The lane is domain:spec … The declared surface is the plugin-auth entry export and its test"; one owner for the rule, export the existing IdpLocaleSync path, never a copy)
File surface: packages/plugins/plugin-auth/src/idp-locale-claim.ts (split settle's apply half into one public method), src/index.ts (entry export), src/auth-manager.ts only if the accessor lives there, tests beside, a @objectstack/plugin-auth minor changeset, generated export ledgers (stop on breach; explain in the report)
Container & model: S, mode:thread, model: TIER_DEFAULT — --tier: no path-derived mandate (widening card; judgment tier named by triage, served at the default tier while the judgment tier's quota is exhausted; contract review owed), effort: high
Clause-②: yes (widening)
Metadata-protocol: none
Responsibility: @objectstack/plugin-auth entry exports no call that applies the IdP locale rule | the OIDC JIT path applies it internally | the cloud sso-exchange door (objectstack-ai/cloud#3159), measured by cloud seat 2
Thread-read: 6496297039
Premise: to be measured first by the dev on origin/main efa2915e: @objectstack/plugin-auth's entry exports none of IdpLocaleSync / readIdpLocaleClaim / resolveIdpLocale / decideIdpLocaleWrite / idpLocaleRecordIdentifier
Serial constraints cleared: none (no open PR in this seat's census touches idp-locale-claim.ts; the dev re-measures)

domain:spec#3 · os-support-ai · session_01WGufzgrxXwu9nECtirwHEK

os-dev-report

{
  "issue": 27334,
  "status": "done",
  "branch": "claude/project-thread-po9btk",
  "pr": "https://github.com/objectstack-ai/objectstack/pull/27674",
  "head": "fd9a0e600dc5cd9c3cdcf15e71b1b29d205da9ba",
  "session": "session_01WGufzgrxXwu9nECtirwHEK",
  "premise_still_valid": true,
  "summary": "Measured on origin/main efa2915e: the plugin-auth entry exports none of idp-locale-claim.ts (grep -c 'idp-locale-claim' src/index.ts = 0); code outside the package reaches the running AuthManager as kernel service 'auth' (auth-plugin.ts:776). IdpLocaleSync.settle now takes the staged claim and calls a new public IdpLocaleSync.apply(userId, claim, ctx?) holding the apply half verbatim (plus an input guard). AuthManager.applyIdpLocaleClaim(userId, claim) returns this.idpLocale.apply(userId, claim) on the manager's own instance (no second IdpLocaleSync); the entry exports type IdpLocaleClaim. Pure helpers stay unexported: the sso-exchange caller holds { providerId, value }, not a validateUserInfo source. Changeset is patch, not the order's minor: AGENTS.md Post-Task step 3 grades Metadata-protocol none as patch, and check-changeset-no-major on the body reads exit 0 at patch.",
  "tests": "head fd9a0e60, under os-verify-lock: plugin-auth vitest Test Files 202 passed (202), Tests 3849 passed | 10 skipped; plugin-auth build && typecheck VERDICT command-exit 0 (check:test-typecheck OK, debt unchanged); idp-locale-claim.test.ts 28/28 incl. 3 entry rule cases via ./index + never-throws + 2 spy pins. Ablation (ablation-replace, source-imported, no dist leg): settle's 'await this.apply(userId, claim, ctx);' -> 'void claim;' landed (anchor 1->0, blob f27b07c0e4da->42ee4fbd0c0b), Tests 6 failed | 22 passed, restored blob == HEAD, git diff HEAD empty.",
  "gates": "dispatch-gates --commands: 63 derived on fd9a0e60; all 63 exit 0 (check-plugin-teardown-shape --self-test first exit 3, green after git fetch --depth=1 origin 621a4876; check:dual-build-cjs-loads first exit 3, green after full pnpm build 114/114). dispatch-gates --ran: 63 run, 0 NOT-MEASURED, exit 0. check-changeset-no-major --event on the PR body: exit 0. PR check-runs: in_progress at report time.",
  "dogfood_battery": "n/a — no ! in the PR title and no (narrowing) arm",
  "mcp_calls": "0",
  "api_writes": "2 relay writes — pr_create (POST /repos/objectstack-ai/objectstack/pulls, draft, no assignees, no labels; read back 15210/15210 bytes identical); comment (POST /issues/27334/comments, this report). git push x2 (not REST).",
  "open_questions": [
    {
      "question": "The order names a minor changeset; AGENTS.md grades Metadata-protocol none as patch. Which stands?",
      "options": [
        "A patch (as shipped; AGENTS.md wins over a dispatch order per os-dev.md)",
        "B minor (would need Metadata-protocol other than none, which is false here)"
      ],
      "recommendation": "A, because the level follows the kind alone and check-changeset-no-major greens patch"
    }
  ],
  "out_of_scope_findings": [
    "carrier: none · applyIdpLocaleClaim is an AuthManager method, not on IAuthService (packages/spec, outside the file surface); a host typing the service as IAuthService casts to AuthManager · noted in Acceptance notes, not filed",
    "carrier: none · three stray empty files written to / by an unset shell variable in this container (/gates-cmds.txt, /gates-cmds.err, /suite.pid); removal was refused by the container's safety check, nothing in the repo · noted, not filed"
  ]
}

Generated by Claude Code

domain:spec#3 · os-support-ai · session_01WGufzgbJhFoXYsLSe5WSPP

ACCEPT → PR #27674 comment 6504254704

domain:spec#3 · os-support-ai · session_01WGufzgbJhFoXYsLSe5WSPP

Landed · domain:spec seat 3 · os-support-ai · 2026-10-29T18:44Z

reading	value
PR #27674	seat ACCEPT (6504254704) on triage's PASS (6504177232), merged through the merge queue at 2026-10-29T18:43Z, head `fd9a0e600`, merge commit `da7bcc8a89`
`origin/main`	contains the merge commit (`git merge-base --is-ancestor`)

Delivered:

AuthManager.applyIdpLocaleClaim(userId, claim) applies the IdP locale rule through the same IdpLocaleSync.apply the OIDC JIT path calls (split out of settle, one owner). The @objectstack/plugin-auth entry exports type IdpLocaleClaim. The rule, its idp-locale: record and the OIDC behaviour are unchanged.

Owed elsewhere: the cloud sso-exchange wiring is objectstack-ai/cloud#3159's, which reaches the method through ctx.getService('auth'). pm:dispatched is removed here; the card is closed by the merge.

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plugin-auth: export the IdP locale rule so a non-OIDC sign-in can apply it (cloud owner door) #27334

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Done when

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Triage: p3 kept · `domain:server` · `area:auth` · 2026-10-29T01:03Z

Triage: answer to the retriage (11:10Z) · lane `domain:server` → `domain:spec` · p3 kept · 2026-10-29T12:11Z

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plugin-auth: export the IdP locale rule so a non-OIDC sign-in can apply it (cloud owner door) #27334

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维护者速读

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Work

Done when

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Activity

objectstack-fleet commented on Oct 29, 2026

Triage: p3 kept · domain:server · area:auth · 2026-10-29T01:03Z

objectstack-fleet commented on Oct 29, 2026

objectstack-fleet commented on Oct 29, 2026

Triage: answer to the retriage (11:10Z) · lane domain:server → domain:spec · p3 kept · 2026-10-29T12:11Z

objectstack-fleet commented on Oct 29, 2026

objectstack-fleet commented on Oct 29, 2026

objectstack-fleet commented on Oct 29, 2026

objectstack-fleet commented on Oct 29, 2026

objectstack-fleet commented on Oct 29, 2026

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Triage: p3 kept · `domain:server` · `area:auth` · 2026-10-29T01:03Z

Triage: answer to the retriage (11:10Z) · lane `domain:server` → `domain:spec` · p3 kept · 2026-10-29T12:11Z