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chore(deps): upgrade runtime deps, dev toolchain, and Node floor - #730

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ndycode merged 3 commits into
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@ndycode

@ndycode ndycode commented Oct 6, 2026 •

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Summary

  • Runtime deps: hono 4.13.9→4.13.13, ws 8.21.3→8.22.0, zod 4.4.3→4.6.5, undici 6.29.0→8.11.2 (majors: undici 8).
  • Toolchain: vitest 4→5.0.2 (+coverage/ui), eslint 10.0→10.12, typescript-eslint 8.56→8.71.1, lint-staged 16→17.6, fast-check 4.5→4.10, @types/node 20→26, typescript-language-server 5→6, eslint-plugin-import-x patch, @types/ws patch.
  • TypeScript, deliberately split: typescript stays on 6.0.3 for the JS compiler API — typescript-eslint peers <6.1, tsserver and tests import typescript directly — while tsgo (npm:typescript@^7.0.2) supplies the TS7 native compiler, so .bin/tsc is tsgo and .bin/tsserver stays on 6.
  • Node floor >=18.17 → >=22.19: undici 8 and vitest 5 both require Node ≥22; Node 20 is EOL. CI matrix becomes 22.x/24.x, node18-smoke → node22-smoke, .nvmrc → 22.
  • Actions pins to current SHAs: checkout v7, setup-node v7, upload/download-artifact v7/v8, codeql-action v4.38.2, hol-codex-plugin-scanner.
  • npm audit: 15 → 0 vulnerabilities.

Source changes required by the upgrades

  • lib/model-route-policy.ts: annotate the merged catalog entry as RouteModel — the TS7 native checker infers the spread too narrowly. No as any.
  • lib/request/url-rewriting.ts: allowH2: false on ProxyAgent — undici 8 enables H2 on TLS ALPN by default; pinning HTTP/1.1 preserves the 6.x wire behavior toward upstreams.
  • SECURITY.md: pin rationale updated for hono 4.13.13, brace-expansion 5.0.12, undici 8.11.2 (fixes the documentation-contract test).
  • test/ci-workflows.test.ts: updated for the node22-smoke rename and 22.19.x runtime.

⚠️ Breaking for consumers

engines.node is now >=22.19.0. Anything installing/running this on Node 18/20 is no longer supported. Docs (README, docs/getting-started.md, AGENTS.md, lib/AGENTS.md, CONTRIBUTING, SECURITY, architecture/repository-scope, public-api) updated to match.

Test plan

  • npm test — 421 files, 7,364 passed, 9 skipped (vitest 5)
  • npm run lint — clean (typescript-eslint 8.71)
  • npm run typecheck — clean under tsgo (TS 7.0.2 native)
  • npm run typecheck:scripts — clean
  • npm run build — clean
  • npm ci from scratch — clean
  • npm audit — 0 vulnerabilities
  • npm run clean:repo:check — pass
  • Pack budget check — pass

Generated with Devin

note: greptile review for oc-chatgpt-multi-auth. cite files like lib/foo.ts:123. confirm regression tests + windows concurrency/token redaction coverage.

RetriggerConfidence Score: 5/5

the pr appears safe to merge based on the changes since the previous review.

Summary

the pr upgrades runtime and development dependencies, raises the node floor to 22.19, updates ci and documentation, and selects the native compiler explicitly. the only change since the previous review corrects the upgrade guide’s installation claim.

Reviews (3) · Last reviewed commit: "docs(upgrade): engines mismatch warns ra..."

Runtime: hono 4.13.13, ws 8.22.0, zod 4.6.5, undici 8.11.2.
Toolchain: vitest 5.0.2 (+coverage/ui), eslint 10.12.0,
typescript-eslint 8.71.1, lint-staged 17.6.0, fast-check 4.10.2,
@types/node 26, typescript-language-server 6.0.1, eslint 10.x plugin
updates.

TypeScript is split deliberately: `typescript` stays on 6.0.3 for the
JS compiler API (typescript-eslint peer <6.1, tsserver, tests importing
`typescript`), while `tsgo` (npm:typescript@^7.0.2) supplies the TS7
native compiler so `.bin/tsc` is tsgo.

engines.node moves to >=22.19.0 (undici 8 and vitest 5 both require
Node >=22; Node 20 is EOL). CI matrix becomes 22.x/24.x, the smoke job
moves from node18-smoke to node22-smoke, .nvmrc -> 22, and all GitHub
Actions pins move to current SHAs (checkout v7, setup-node v7,
upload/download-artifact v7/v8, codeql-action v4.38.2, hol scanner).

Source fixes required by the upgrades:
- lib/model-route-policy.ts: annotate the merged catalog entry as
  RouteModel; the TS7 native checker infers the spread too narrowly.
- lib/request/url-rewriting.ts: pass allowH2:false to ProxyAgent so
  undici 8's H2-by-default ALPN negotiation can't change the upstream
  wire protocol versus the 6.x line.

SECURITY.md pin rationale updated for hono 4.13.13,
brace-expansion 5.0.12, and undici 8.11.2; docs/AGENTS version refs
updated to the new Node floor. npm audit: 15 -> 0 vulnerabilities.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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Currently processing new changes in this PR. This may take a few minutes, please wait...

⚙️ Run configuration
  • Configuration used: Organization UI
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  • Run ID: f8d7b58c-3690-455a-857d-79f7dbee4431
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📒 Files selected for processing (3)
  • docs/upgrade.md
  • package.json
  • test/package-bin.test.ts
📝 Summary

no blocker or major issue is evident from the supplied changes. the main compatibility impact is the new node.js >=22.19.0 floor; the change also updates dependencies and pins undici’s proxy behavior to http/1.1 (lib/request/url-rewriting.ts:158-161). no security or data-loss change is reported. the author reports that the test suite and listed validation checks passed, but those results were not independently verified here.

the architectural decisions are to use tsgo for native typescript 7 checking while retaining typescript 6 for existing tooling, and to disable h2 negotiation in ProxyAgent. the route-model annotation addresses checker inference and does not change runtime behavior (lib/model-route-policy.ts:142-147). regression coverage exists for the node 22 smoke workflow (test/ci-workflows.test.ts:249-255); supplied evidence does not show behavior-specific regression tests for proxy protocol negotiation or the type annotation.

windows coverage includes CRLF normalization in the workflow test and a windows script typecheck job (test/ci-workflows.test.ts:13-20, test/ci-workflows.test.ts:157-165). no new concurrency risk is evident in these changes; the shared proxy dispatcher remains cached by proxy URL (lib/request/url-rewriting.ts:152-162).

Walkthrough

the package minimum changes to node 22.19. dependencies and pinned workflow actions are updated. CI moves to node 22.x and 24.x, and the packed-cli smoke job runs on node 22.19.x.

Changes

runtime baseline and validation

Layer / File(s) Summary
node requirement and dependency updates
package.json, .nvmrc, CONTRIBUTING.md, README.md, SECURITY.md, AGENTS.md, docs/development/*, docs/getting-started.md, docs/reference/public-api.md, lib/AGENTS.md
the package engine floor changes to node 22.19. dependency versions and overrides change. repository guidance updates the node requirement and dependency security rationales.
route typing and proxy options
lib/model-route-policy.ts, lib/request/url-rewriting.ts
buildVisibleModelUnion gives entry an explicit RouteModel type at lib/model-route-policy.ts:142. getSharedProxyDispatcher disables HTTP/2 when creating its proxy agent at lib/request/url-rewriting.ts:158.
ci runtime and smoke validation
.github/workflows/ci.yml, .github/workflows/codeql.yml, .github/workflows/codex-plugin-scanner.yml, test/ci-workflows.test.ts
CI tests node 22.x and 24.x and updates pinned actions. the packed-cli smoke job now uses node 22.19.x; its test checks the renamed job and runtime at test/ci-workflows.test.ts:244.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Other

Suggested labels: bug

Merge Risk: 🔵 Low · up to 605ef

Users following the upgrade steps on Node.js 18 or 20 may miss that they need to update their runtime. Add the new minimum to the guide before merging.

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (2 warnings)

Check name Status Explanation Resolution
Title check ⚠️ Warning The title summarizes the dependency and Node floor upgrades, but “Node” is uppercase in the summary, which violates the lowercase requirement. Change the title to chore(deps): upgrade runtime deps, dev toolchain, and node floor. This keeps the required format and makes the summary lowercase.
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 3 files. (14 skipped: 1… Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (3 passed)
Check name Status Explanation
Description check ✅ Passed The description covers the changes, breaking impact, and validation results. It does not include the template’s Risk and Rollback or Compliance Confirmation sections, but it is otherwise substantially…
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 3 files. (14 skipped: 14 unsupported.)

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
Review comments at @docs/getting-started.md:
- Line 11: Update the Upgrade section in docs/getting-started.md to state that
Node.js 22.19.0 or later is required and that users on Node.js 18 or 20 must
upgrade their runtime before installing or upgrading codex-multi-auth.

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Reviewing files that changed from the base of the PR and between b4c51d8 and 605efc0.

⛔ Files ignored due to path filters (1)
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📒 Files selected for processing (17)
  • .github/workflows/ci.yml
  • .github/workflows/codeql.yml
  • .github/workflows/codex-plugin-scanner.yml
  • .nvmrc
  • AGENTS.md
  • CONTRIBUTING.md
  • README.md
  • SECURITY.md
  • docs/development/ARCHITECTURE.md
  • docs/development/REPOSITORY_SCOPE.md
  • docs/getting-started.md
  • docs/reference/public-api.md
  • lib/AGENTS.md
  • lib/model-route-policy.ts
  • lib/request/url-rewriting.ts
  • package.json
  • test/ci-workflows.test.ts

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docs/development/REPOSITORY_SCOPE.md — configured
📓 Path-based instructions (4)
keep README, SECURITY, and docs consistent with actual CLI flags and workflows.

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  • docs/reference/public-api.md
  • docs/getting-started.md
  • docs/development/REPOSITORY_SCOPE.md
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tests must stay deterministic and use vitest.

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focus on auth rotation, windows filesystem IO, and concurrency.

⚙️ CodeRabbit configuration file

Files:

  • lib/request/url-rewriting.ts
  • lib/AGENTS.md
  • lib/model-route-policy.ts
Source excerpt: When adding a new feature: Update [ARCHITECTURE.md](ARCHITECTURE.md) / [CONFIG_FLOW.md](CONFIG_FLOW.md) / [CONFIG_FIELDS.md](CONFIG_FIELDS.md) for cross-cutting behavior.

📄 CodeRabbit inference engine (docs/development/REPOSITORY_SCOPE.md)

Files:

  • docs/development/ARCHITECTURE.md
🧠 Learnings (1)
📓 Common learnings
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## CONVENTIONS

- Account saves merge against an identity-keyed load baseline (`loadedAccountSnapshots` WeakMap → three-way merge); copy account pools only via `cloneTrackedAccountStorage`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## CONVENTIONS

- Settings Q hotkey = cancel without save; theme live-preview restores baseline on cancel.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## CONVENTIONS

- Windows filesystem safety: retry transient `EBUSY`/`EPERM`/`ENOTEMPTY`/`EAGAIN` cleanup and write failures where tests cover Windows locks.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## CONVENTIONS

- Vitest runs single-worker (`pool: 'forks'` + `fileParallelism: false` + `--maxWorkers=1`) because OAuth callback suites share fixed port 1455.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not use `as any`, `ts-ignore`, or `ts-expect-error`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not hardcode OAuth ports; use existing constants/helpers.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not bypass the official Codex CLI by reimplementing general Codex commands in the wrapper.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Keep runtime rotation default-on behavior aligned with explicit release and migration documentation.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not patch official Codex app binaries; use app bind or launcher helpers.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not expose account emails or tokens in runtime proxy client response headers or logs.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not key project storage by worktree path; use `resolveProjectStorageIdentityRoot`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not `structuredClone`/spread loaded account storage — that silently drops the merge baseline; use `cloneTrackedAccountStorage`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not write the governance JSON stores with raw `fs` writes; go through the `json-store-lock` queue + lockfile + CAS helpers.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:41.995Z
Learning: Source excerpt:
# PROJECT KNOWLEDGE BASE

## ANTI-PATTERNS

- Do not add module-level mutable state without a `reset*ForTests`-style helper.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:32.326Z
Learning: Source excerpt:
# codex-multi-auth

`codex-multi-auth` is a multi-account OAuth manager for the official `openai/codex` CLI. It keeps a named pool of ChatGPT sign-ins on your machine, lets you switch the active account, and — when you run Codex through its optional wrapper — rotates accounts across live requests through a loopback-only proxy. It never installs or shadows a `codex` binary; the official OpenAI install keeps owning that command.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:32.326Z
Learning: Source excerpt:
# codex-multi-auth

## Runtime rotation, in one paragraph

With rotation on (the default), request-bearing wrapper commands — `exec`, `review`, `resume`, `fork`, `app`, and the bare TUI — route through a local proxy that picks the healthiest account per request, refreshes tokens as needed, and fails over across the pool on rate limits within a bounded retry budget. The proxy listens on loopback only, authenticates its own clients with a per-process token, forwards only Responses API, model-discovery, image, and thread-goal calls, and never writes account emails or tokens to client headers or logs. Plain `codex` is never touched: rotation exists only inside `codex-multi-auth-codex`/`mcodex` sessions, or inside the packaged desktop app after an opt-in, reversible bind. Turn it off with `codex-multi-auth rotation disable` or `CODEX_MULTI_AUTH_RUNTIME_ROTATION_PROXY=0`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:32.326Z
Learning: Source excerpt:
# codex-multi-auth

## Runtime rotation, in one paragraph

With rotation on (the default), request-bearing wrapper commands — `exec`, `review`, `resume`, `fork`, `app`, and the bare TUI — route through a local proxy that picks the healthiest account per request, refreshes tokens as needed, and fails over across the pool on rate limits within a bounded retry budget. The proxy listens on loopback only, authenticates its own clients with a per-process token, forwards only Responses API, model-discovery, image, and thread-goal calls, and never writes account emails or tokens to client headers or logs. Plain `codex` is never touched: rotation exists only inside `codex-multi-auth-codex`/`mcodex` sessions, or inside the packaged desktop app after an opt-in, reversible bind. Turn it off with `codex-multi-auth rotation disable` or `CODEX_MULTI_AUTH_RUNTIME_ROTATION_PROXY=0`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Operator Security Practices

- Do not share `~/.codex/` directories.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Operator Security Practices

- Never commit auth files, logs, or cache artifacts.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Operator Security Practices

- Review connected apps in ChatGPT settings periodically.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Operator Security Practices

- Enable debug/body logging only for short-lived troubleshooting sessions.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Vulnerability Reporting

If you discover a vulnerability:

1. Do not open a public issue.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Vulnerability Reporting

If you discover a vulnerability:

2. Contact the maintainer privately via GitHub profile contact channel.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Vulnerability Reporting

If you discover a vulnerability:

3. Include:
   - vulnerability description
   - reproduction steps
   - impact assessment
   - suggested mitigation (optional)
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Before release and after dependency changes:

```bash
npm run audit:ci
npm run lint
npm run typecheck
npm test
npm run build
```
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Questions

For non-vulnerability security questions, open a GitHub discussion.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.117Z
Learning: Source excerpt:
# Security Policy

## Automatic first-use checks

Automatic subscription priming is off by default and requires per-account
`account auto-prime <index> on`. A running CLI/app router checks every 15 minutes;
completion consumes subscription quota only when headers identify an unused
personal subscription. The checker uses verified current subscription credentials,
respects account/workspace disablement and pause/drain policy, and never uses
API/ZDR credentials or reset credits. A private attempt file stores hashed account
record-and-workspace keys and timestamps under a cross-process lock. It contains
no prompts or tokens. The saved workspace selection is revalidated after token
refresh; a disabled or changed selection is not replaced by another workspace.
Selected workspace quota is keyed by credential record and workspace; it is never
read as the stored organization binding. Recovery journals preserve the record
identity across token rotation so they cannot reset the a...
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

1. Keep account management simple for end users (`codex-multi-auth ...`).
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

2. Preserve official Codex CLI behavior for non-auth commands.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

3. Route live account rotation by default while keeping explicit opt-out controls.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

4. Keep runtime rotation local, reversible, and compatible with official Codex state files.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

5. Preserve stateless backend request compatibility (`store: false`) unless explicit background-response compatibility is enabled.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

6. Keep plugin-host integration available without making it the default user path.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Design Goals

7. Keep local governance (usage ledger, budgets, account policies, routing profiles) file-backed and opt-in at the operator command surface.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Module Layering

Lower layers never import from higher ones; shared types belong in the lower layer (for example `storage/public-types.ts`) with higher layers re-exporting for surface compatibility. `index.ts` (plugin-host entry) sits above everything and may import anywhere.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Proxy Request Flow (numbered)

12. **Exit.** Pinned request with no eligible account → `503 codex_pinned_account_unavailable` with reason + remedy. Otherwise → `codex_runtime_rotation_pool_exhausted` (503/429 JSON) carrying `reason`, `retry_after_ms`, and `account_skip_reasons`, and pointing at `codex-multi-auth rotation status`. Bounded always: fetch timeout 60s, stream stall 45s, capacity deadline, 16-iteration pin ceiling — never a silent hang.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

The app-server CLI shim is deliberately **not** installed on the `app-server` branch. Its only purpose is routing a Codex-spawned `codex app-server` (the desktop app via `CODEX_CLI_PATH`) back through the wrapper; installing it stamps `CODEX_MULTI_AUTH_RUNTIME_ROTATION_PROXY=0` onto an environment that a resident server passes to shell tools and MCP servers — every nested `codex-multi-auth-codex` call would read rotation as disabled and bill the wrong account. With no shim there is no `CODEX_MULTI_AUTH_APP_SERVER_ACCOUNT_LABEL`, so the branch requests account-response rewriting explicitly via `proxyAppServerAccountRead` (load-bearing; dropping it fails `test/codex-bin-wrapper.test.ts` account-response tests).
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

A helper that cannot start is a hard failure on all canonical-home branches — unlike the shadow path there is no rotation-off shape to degrade into, and quietly serving a resident server unrotated is worse than not serving it. `createRuntimeRotationProxyContextIfEnabled` catches the launch failure, releases the compatibility home already built, and returns a `startupError` that `forwardToRealCodex` converts to exit 1 *before* the official CLI spawns. On the shadow path, proxy failure degrades to plain forwarding unless an explicit upstream demands rotation.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

Helper self-reaping is identity-checked and bounded — a detached helper decides "is my launcher alive" by PID **plus kernel start time** (`CODEX_MULTI_AUTH_APP_ROTATION_OWNER_START_TIME_MS`), and reaps itself on the first of these deadlines:
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

| Rule | Behavior |
| --- | --- |
| Degraded check | No start time → bare liveness. Normal on Windows (`ps` absent): probes short-circuit rather than spawning a doomed process; the lifetime ceiling bounds leaks there. |
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

| Rule | Behavior |
| --- | --- |
| Recheck cadence | At most once a minute. A *failed* re-read keeps the previous verdict rather than declaring a live owner dead — under process-table pressure `fork` itself can fail. |
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

| Rule | Behavior |
| --- | --- |
| Degraded check | No start time → bare liveness. Normal on Windows (`ps` absent): probes short-circuit rather than spawning a doomed process; the lifetime ceiling bounds leaks there. |
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

| Rule | Behavior |
| --- | --- |
| Detached window | `CODEX_MULTI_AUTH_APP_ROTATION_DETACHED_IDLE_MS`, default 15m, `0` disables. Applies once the owner is *confirmed* dead, and only to a helper that has **never served a request** (`totalRequests: 0`) with zero open connections — a live `codex app` session idle between turns holds no socket (proxy `keepAliveTimeout` stays at Node's 5s), so socket-only gating would reap a working proxy. Unreadable counters fail open into reaping: "unknown" must not count as "attached". |
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

Helper lifecycle metadata: each helper publishes `runtime-rotation-app-helper.<pid>.json` (un-suffixed legacy path still read) on change plus heartbeat, owns a `runtime-rotation-app-helper-owner.<pid>.json` identity file removed on exit, and each launcher sweeps dead-PID metadata *after* spawning its own helper (the sweep is synchronous and unbounded and must never sit in front of `codex app`/TUI startup). `rotation unbind-app` reclaims the same metadata independently — the only repair path on a machine that stopped launching helpers. Terminal states are `idle-timeout`, `owner-gone`, `max-lifetime`, `stopped`, `error`; only `running` means running. `idleExpiresAt` reports whichever deadline is actually enforced.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

Two interactive sessions can run concurrently against the same canonical home — same as running official Codex twice — and **no lock is taken over session state** (neither session copies or syncs it). Scope that guarantee to session state only: `ensureCodexCliFileAuthStore` still read-modify-writes canonical `config.toml` when the store is not `"file"`, safe in practice because it is idempotent and lands via atomic rename — anything non-idempotent added there would need a real lock.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Runtime Rotation Transport Selection

Two interactive sessions can run concurrently against the same canonical home — same as running official Codex twice — and **no lock is taken over session state** (neither session copies or syncs it). Scope that guarantee to session state only: `ensureCodexCliFileAuthStore` still read-modify-writes canonical `config.toml` when the store is not `"file"`, safe in practice because it is idempotent and lands via atomic rename — anything non-idempotent added there would need a real lock.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## First-Run Setup

Install scripts stay side-effect-free. On the first durable CLI invocation after install, `lib/runtime/first-run.ts`:
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## First-Run Setup

Install scripts stay side-effect-free. On the first durable CLI invocation after install, `lib/runtime/first-run.ts`:

- Failures are debug-logged and never block the requested command.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Invariants

16. The keychain is never read or written.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Invariants

17. Module imports stay acyclic and obey `types/constants → storage → accounts → runtime → manager/CLI`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Invariants

18. `cloneTrackedAccountStorage` is the only supported way to copy loaded account storage — raw clones drop the WeakMap merge baseline.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:48.481Z
Learning: Source excerpt:
# Architecture

## Invariants

19. Governance store merges are union-by-`updatedAt` upserts; deletes never travel through a merge.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:39.130Z
Learning: Source excerpt:
# Repository Scope Map

What this repository contains, who owns each area, and what the project deliberately is not. Use this to decide where new code belongs — and where it does not.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Stability tiers

### Tier A: Stable APIs

Stable APIs are covered by semver compatibility guarantees and must remain
backward-compatible inside the current `2.x` line unless explicitly documented.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Stability tiers

### Tier B: Compatibility APIs

Compatibility policy for Tier B:

- Existing exported symbols must not be removed in this release line.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Stability tiers

### Tier B: Compatibility APIs

Compatibility policy for Tier B:

- Existing positional signatures remain supported; new options-object
  alternatives are preferred for new callers.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Preferred calling style

For exported functions with many positional parameters, use options-object
forms when available.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Responses contract notes

- Background-mode requests force `store=true`, keep caller-supplied input item
  IDs, and skip stateless-only defaults such as `reasoning.encrypted_content`
  injection and fast-session trimming.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Responses contract notes

- Upgrade note: leave background mode disabled for existing stateless
  pipelines; enable it only for callers that intentionally send
  `background: true` and are ready for stateful `store=true` routing. See
  [../upgrade.md](../upgrade.md).
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Runtime rotation contract notes

- Client responses must not expose account emails, tokens, private account
  headers, hop-by-hop headers, or stale decoded `content-encoding`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Local bridge contract notes

- Bind host must be loopback; `runtimeBaseUrl` must also be loopback (the
  runtime rotation proxy).
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Local bridge contract notes

- Default `requireAuth=true`; configuring `runtimeClientApiKey` **requires**
  `requireAuth=true`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Semver guidance

- Breaking Tier A change: `MAJOR`
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Semver guidance

- Additive Tier A change: `MINOR`
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Semver guidance

- Tier A bug fix or doc-only clarification: `PATCH`
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Semver guidance

- Tier B additive compatibility improvement: usually `PATCH` or `MINOR`
  depending on caller impact
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Semver guidance

This repository currently ships on a `2.x` line, and breaking changes still
require explicit migration documentation and review sign-off.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Migration rules

For any future intentional contract break:

1. Identify affected callers and command workflows.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Migration rules

For any future intentional contract break:

2. Provide a migration path with concrete before/after examples.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:42.364Z
Learning: Source excerpt:
# Public API Contract

## Migration rules

For any future intentional contract break:

4. Add tests proving both old and new behavior during transition windows when
   feasible.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- All public exports should flow through `lib/index.ts` or the documented package subpaths (`./auth`, `./storage`, `./config`, `./request`, `./cli`). The barrel builds to `dist/lib/index.js` but is not reachable as a package specifier.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Module dependencies must stay acyclic (enforced by `import-x/no-cycle` in lint) and follow the layering
  `types/constants → storage → accounts → runtime → manager/CLI`: lower layers never import from higher ones.
  Shared types/helpers belong in the lower layer (e.g. `storage/public-types.ts`), with higher layers re-exporting
  for surface compatibility instead of lower layers importing back from facades like `lib/storage.ts`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Runtime rotation code must preserve pass-through semantics except for auth/provider headers that intentionally change.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Node fetch returns decoded response bytes while preserving upstream `content-encoding`; do not forward stale decoded encoding metadata to local clients.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Runtime proxy client-facing headers must not expose account emails or tokens.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Runtime rotation should fail open to normal official Codex forwarding when startup helpers are unavailable.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Proxy upstream policy is fail-closed: `https` always; `http` only on numeric loopback (`127.0.0.0/8`/`[::1]`) with explicit port; no credentials/query/fragment; redirects are hard errors.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Account health is 0-100 and should be updated through the account manager APIs.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Account saves are baseline merges: `saveAccounts` reads the fresh primary, merges `baseline→current→proposed` via `snapshot-merge`, and mutates `proposed` in place. `cloneTrackedAccountStorage` (structuredClone + baseline re-register) is the ONLY supported pool copy.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Backup rotation is throttled (≥30s/path default, `CODEX_AUTH_STORAGE_BACKUP_MIN_INTERVAL_MS`, `0` = every save); the `.bak` chain is depth 3, staged via `*.rotate.<nonce>.tmp`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Settings writes use queued retry for `EBUSY`/`EPERM`/`EAGAIN`.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Email dedup uses `normalizeEmailKey()`: trim + lowercase.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- Worktree storage uses `resolveProjectStorageIdentityRoot`; never derive project pools from raw worktree paths.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- State lives in a class when multiple independent instances or dependency injection are needed
  (`AccountManager` per pool, `CircuitBreaker` per account, `SessionAffinityStore` per proxy, `AccountModelCatalog`,
  `ResetCreditService`, `ResponseOutputHistory`) and for the `CodexError` hierarchy. Module-level state + plain
  functions are reserved for genuinely process-global concerns (auth rate-limit trackers, the routing mutex,
  UI runtime options, the storage-meta cache, the JSON-store write queues, the runtime policy caches) and must ship
  a test reset helper (`reset*ForTests` / `resetVolatileRuntimeState`-style, e.g. `resetRuntimePolicyCacheForTests`,
  `resetActiveAccountSyncMetaForTests`, `resetJsonStoreWriteQueuesForTests`) so suites can isolate it. Do not add
  module-level state for anything a caller might want two of.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- State lives in a class when multiple independent instances or dependency injection are needed
  (`AccountManager` per pool, `CircuitBreaker` per account, `SessionAffinityStore` per proxy, `AccountModelCatalog`,
  `ResetCreditService`, `ResponseOutputHistory`) and for the `CodexError` hierarchy. Module-level state + plain
  functions are reserved for genuinely process-global concerns (auth rate-limit trackers, the routing mutex,
  UI runtime options, the storage-meta cache, the JSON-store write queues, the runtime policy caches) and must ship
  a test reset helper (`reset*ForTests` / `resetVolatileRuntimeState`-style, e.g. `resetRuntimePolicyCacheForTests`,
  `resetActiveAccountSyncMetaForTests`, `resetJsonStoreWriteQueuesForTests`) so suites can isolate it. Do not add
  module-level state for anything a caller might want two of.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## CONVENTIONS

- State lives in a class when multiple independent instances or dependency injection are needed
  (`AccountManager` per pool, `CircuitBreaker` per account, `SessionAffinityStore` per proxy, `AccountModelCatalog`,
  `ResetCreditService`, `ResponseOutputHistory`) and for the `CodexError` hierarchy. Module-level state + plain
  functions are reserved for genuinely process-global concerns (auth rate-limit trackers, the routing mutex,
  UI runtime options, the storage-meta cache, the JSON-store write queues, the runtime policy caches) and must ship
  a test reset helper (`reset*ForTests` / `resetVolatileRuntimeState`-style, e.g. `resetRuntimePolicyCacheForTests`,
  `resetActiveAccountSyncMetaForTests`, `resetJsonStoreWriteQueuesForTests`) so suites can isolate it. Do not add
  module-level state for anything a caller might want two of.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never import from `dist/` in source tests or library code.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never suppress type errors (`as any`, `ts-ignore`, `ts-expect-error`).
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never hardcode OAuth ports; use the existing auth constants/helpers.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never add account emails/tokens to runtime proxy client responses.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never patch official Codex app binaries for desktop routing.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never use bare recursive cleanup in Windows-sensitive paths without retry handling.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never key project storage directly by worktree path.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never `structuredClone`/spread a loaded account pool — the identity-keyed baseline WeakMap is lost and merges silently degrade to last-writer-wins.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never write governance/account JSON stores with raw `fs.writeFile`; use `json-store-lock`/`transactions` machinery.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never let the proxy follow upstream redirects or forward to named `http` hosts.
Learnt from: CR
Repo: ndycode/codex-multi-auth

Timestamp: 2026-10-06T12:24:55.169Z
Learning: Source excerpt:
# LIB KNOWLEDGE BASE

## ANTI-PATTERNS

- Never add module-level mutable state without a `reset*ForTests` helper.
🪛 LanguageTool
AGENTS.md

[style] ~173-~173: Three successive sentences begin with the same word. Consider rewording the sentence or use a thesaurus to find a synonym.
Context: ...lockqueue + lockfile + CAS helpers. - Do not useAbortSignal.any` (Node floor i...

(ENGLISH_WORD_REPEAT_BEGINNING_RULE)

🪛 zizmor (1.30.1)
.github/workflows/codex-plugin-scanner.yml

[warning] 25-25: credential persistence through GitHub Actions artifacts (artipacked): does not set persist-credentials: false

(artipacked)


[warning] 1-74: overly broad permissions (excessive-permissions): default permissions used due to no permissions: block

(excessive-permissions)


[warning] 59-59: credential persistence through GitHub Actions artifacts (artipacked): does not set persist-credentials: false

(artipacked)

.github/workflows/codeql.yml

[warning] 21-22: credential persistence through GitHub Actions artifacts (artipacked): does not set persist-credentials: false

(artipacked)


[warning] 1-35: overly broad permissions (excessive-permissions): default permissions used due to no permissions: block

(excessive-permissions)

Comment thread docs/getting-started.md
Greptile P1: `tsgo` (npm:typescript@7) and `typescript`@6 both declare a
`tsc` bin, so bare `tsc` in build/typecheck resolved by .bin link order —
a fresh install could silently run the 6.x checker. Scripts now invoke
`node node_modules/tsgo/bin/tsc` by path, and a package-bin contract test
asserts the explicit selection so CI verifies it.

CodeRabbit: docs/upgrade.md now states the Node.js >=22.19.0 requirement
up front so users on Node 18/20 know to upgrade their runtime first.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Comment thread docs/upgrade.md Outdated
Greptile P2: npm only warns on engines mismatch unless engine-strict is
enforced — "will not install" was inaccurate. Say the older runtimes are
unsupported and cannot run the package.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
@ndycode
ndycode merged commit dcdac51 into main Oct 6, 2026
1 of 2 checks passed
ndycode added a commit that referenced this pull request Oct 6, 2026
v2.19.1 was prepared but never published; the merged #730 dependency and
toolchain upgrade now ships in the same release. Changelog and release
notes cover the Node >=22.19 floor, the dep bumps, and the five resolved
Dependabot advisories.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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