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fix(responses): accept complete external task inputs without weakening tool guards - #3743

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Sep 6, 2026
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fix(responses): accept complete external task inputs without weakening tool guards#3743
lidge-jun merged 6 commits into
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codex/release-244-task-input-07c0

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@lidge-jun

@lidge-jun lidge-jun commented Sep 6, 2026

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Summary

Co-authored-by: Yrlan 71253160+yrlan-montagnier@users.noreply.github.com

Verification

Checklist

  • Scope stays focused and avoids unrelated cleanup.
  • Docs or release notes were updated when needed.
  • Security-sensitive changes were reviewed for secrets, auth, and unsafe defaults.

t and others added 3 commits September 6, 2026 13:04
Co-authored-by: Yrlan <71253160+yrlan-montagnier@users.noreply.github.com>
…ndaries

Co-authored-by: Yrlan <71253160+yrlan-montagnier@users.noreply.github.com>
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Review Change Stack

📝 Walkthrough

Walkthrough

The Responses parser now validates complete external task-input envelopes and routes accepted text or image content as user messages. Continuation boundaries, pending reasoning, translated routes, passthrough handling, and stateful guidance placement are covered by tests and documentation.

Changes

External task-input routing

Layer / File(s) Summary
Envelope contract and content validation
src/responses/task-input.ts, devlog/_plan/.../020_task_input.md, devlog/_plan/.../021_task_input_implementation.md
externalTaskInputContent validates complete function_call_output envelopes, accepts supported text and URL-backed images, preserves order, and rejects malformed or opaque content.
Parser user-message integration
src/responses/parser.ts, tests/responses/responses-parser.test.ts
The parser emits valid external input as a user message, clears pending reasoning, and starts a continuation boundary. Tests cover metadata, normalization, immutability, inherited properties, replay, and reasoning isolation.
Translated-route and passthrough validation
tests/responses/responses-compaction-routing.test.ts, tests/responses/openai-responses-passthrough.test.ts
Tests cover accepted content, ciphertext classification, rejected envelopes, no-upstream validation, raw-body preservation, and passthrough repair.
Stateful guidance boundary alignment
src/server/responses/collaboration.ts, tests/codex-integration/multi-agent-compat.test.ts, devlog/_plan/260906_stateful_task_guidance/*
Stateful conversational-item detection reuses the external-task validator. Guidance insertion and replay tests verify aligned raw, parsed, and reparsed ordering.
Compatibility documentation
docs-site/src/content/docs/guides/sub-agent-surface.md, docs-site/src/content/docs/reference/adapters.md, structure/04-transports-and-sidecars.md
Documentation describes envelope requirements, routing, rejection behavior, continuation handling, and unchanged ordinary tool-result and raw-body rules.

Estimated code review effort: 4 (Complex) | ~45 minutes

Merge Risk: 🔵 Low · up to b7e67

The task-input routing change is covered for parsing, validation, continuation, passthrough, and stateful guidance ordering. Merge readiness is low risk, with remaining Markdown lint and documentation-formatting corrections needed.

Sequence Diagram(s)

sequenceDiagram
  participant CodexTask
  participant ResponsesParser
  participant GuidanceInjector
  participant TranslatedAdapter
  participant Upstream
  CodexTask->>ResponsesParser: send external function_call_output envelope
  ResponsesParser->>ResponsesParser: validate and convert accepted content to a user message
  ResponsesParser->>GuidanceInjector: apply aligned stateful guidance boundary
  ResponsesParser->>TranslatedAdapter: provide parsed user input
  TranslatedAdapter->>Upstream: send translated request
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🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (2 warnings)

Check name Status Explanation Resolution
Out of Scope Changes check ⚠️ Warning The task-input parser and translated-adapter changes are in scope for #3735. However, src/server/responses/collaboration.ts and tests/codex-integration/multi-agent-compat.test.ts add stateful deve… Move the collaboration-layer changes and their integration tests into a separate PR linked to the stateful task-guidance issue, or add an explicit requirement and linked issue that makes this behavior part of #3735. Keep this PR limited to …
Docstring Coverage ⚠️ Warning Docstring coverage is 16.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 7 files. (6 skipped: 6… Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (3 passed)
Check name Status Explanation
Linked Issues check ✅ Passed The implementation satisfies #3735. src/responses/task-input.ts narrowly recognizes function_call_output items without call_id, validates nonblank id, name, and namespace, and accepts only…
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title clearly summarizes the main change: accepting complete external task inputs while preserving existing tool-result guards. It is concise, specific, and consistent with the pull request object…
Full details: Out of Scope Changes check

Explanation

The task-input parser and translated-adapter changes are in scope for #3735. However, src/server/responses/collaboration.ts and tests/codex-integration/multi-agent-compat.test.ts add stateful developer-guidance and raw-replay behavior for a separate task-guidance workflow. The related planning documents explicitly reference parent PR #3743, but #3735 does not require this collaboration-layer change.

Resolution

Move the collaboration-layer changes and their integration tests into a separate PR linked to the stateful task-guidance issue, or add an explicit requirement and linked issue that makes this behavior part of #3735. Keep this PR limited to external task-input recognition, parser conversion, translated-adapter validation, passthrough, compaction, and directly related documentation and tests.

Full details: Docstring Coverage

Explanation

Docstring coverage is 16.67% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 7 files. (6 skipped: 6 unsupported.)

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Deterministic PR hygiene checks passed.

@github-actions github-actions Bot added the bug Something isn't working label Sep 6, 2026
@lidge-jun

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리뷰 · 우선순위 74 / 80

이 PR은 Codex가 작업(task) 시작·이어가기를 보낼 때 쓰는 결과처럼 생긴 입력 봉투를, 번역 경로에서 가짜 도구 결과로 오해하지 않고 사용자 말로 받게 고칩니다. 지금 dev(HEAD 25c8d2b4e, 패키지 2.44.0, #3739 maintainer-dev-integration 직후)의 src/responses/parser.tsfunction_call_output을 무조건 도구 결과로 넣습니다. call_id가 없거나 비어 있으면 나중에 src/server/responses/core.ts의 기존 가드가 HTTP 400(tool result requires a non-empty string call_id)을 냅니다. 공개 이슈 #3735가 바로 그 증상입니다. release-244 로드맵에서도 다음 칸이 020_task_input이고, 이 브랜치 이름이 codex/release-244-task-input-07c0인 점도 그 순서와 맞습니다.

고치는 방식은 좁습니다. 새 잎 src/responses/task-input.tsexternalTaskInputContent완전한 외부 봉투만 고릅니다. 조건은 타입이 정확히 function_call_output, 객체에 call_id 프로퍼티가 없음, id/name/namespace가 모두 비지 않은 문자열, 출력은 비지 않은 문자열이거나 지원되는 텍스트·이미지 배열 전부입니다. 배열에 암호화·이상한 조각이 하나라도 있으면 통째로 거절하고, 일반 입력 변환기가 모르는 블록을 조용히 버리는 일을 막습니다. 통과하면 파서가 pending reasoning을 비우고 사용자 메시지를 넣으며, continuation 대화 경계에도 그 봉투를 넣습니다. 평범한 도구 결과·#3471 가드·네이티브 passthrough·compaction의 raw body는 그대로입니다.

테스트가 이 경계를 잘 고정합니다. 파서 단위(긍정/부정, frozen input, reasoning 분리, continuation index), HTTP 번역(텍스트·이미지·거절 시 upstream 0회), passthrough가 예전에 쓰던 orphan 수선 문자열을 건드리지 않는지까지 있습니다. 짧은 평문을 encrypted_content 칸에 넣으면 기존 plaintext 정규화가 먼저 먹는다는 점도 픽스처로 못 박았습니다. 문서(adapters / sub-agent-surface / structure)도 “권한 상승이 아니라 모양 호환”이라고 분명히 적습니다. types.ts/config.ts 대분할과 무관해서 close-don't-rebase 대상이 아닙니다.

우선순위 74인 이유다. 로드맵 다음 칸이고 #3735를 닫으며, 변경 면이 작고 가드를 약하게 만들지 않습니다. 다만 아직 draft이고 Cross-platform CI에서 macos 2/2가 빨갛습니다. 로그상 실패는 새 task-input이 아니라 management and data-plane credential separation(Tailscale hub ingress / one-use pairing) 쪽 두 케이스입니다. Linux test 1–4·gates·hygiene는 통과했습니다. 머지 전에 그 macOS 실패가 flake인지 재실행으로 확인하거나, 재현되면 분리 이슈로 빼는 게 맞습니다. 본문에 “로컬 스위트/타입체크/빌드 안 돌림”이라고 적혀 있으니, 호스트 CI·재실행이 증거가 됩니다.

경로/심볼 - src/responses/task-input.ts externalTaskInputContent - 완전 봉투만 사용자 내용으로. "call_id" in item이면 즉시 undefined
라인 (parser, function_call_output 분기) - 인식되면 pendingReasoning 비우고 user 메시지. 아니면 기존 toolResult 경로
경로/심볼 - src/server/responses/core.ts call_id 가드 - 불완전 봉투는 여전히 400. 가드 문구를 바꾸지 않음
경로 - tests/responses/responses-parser.test.ts / compaction / passthrough - #3471 회귀 유지 + 새 경계
경로 - CI macos 2/2 - Tailscale management 분리 테스트 실패. task-input과 무관해 보이지만 게이트는 막힘

메인테이너의 판단이 필요한 지점

  • draft를 Ready로 올린 뒤 macOS 2/2를 재실행할지, Tailscale 실패를 별도 flake/이슈로 분리할지
  • 바로 이어질 030_kiro_results와 같은 스택으로 묶을지, task-input만 먼저 단독 머지할지 (권장은 단독 선머지 후 bottom-up)
  • Yrlan Co-authored-by / #3735 닫기를 머지 커밋 메시지에 어떻게 남길지 (PR 본문·plan에 이미 명시)

너의 추천
macOS 게이트만 정리되면 release-244 다음 칸으로 dev에 머지하세요. 범위·가드·테스트가 로드맵 020과 잘 맞고, #3735를 닫습니다. 지금은 draft이니 Ready 전환 + CI 초록 확인 후 머지. types/config 대분할 close-don't-rebase 아님. Kiro live 호출은 이 PR 범위 밖(계획 non-goal)이라 그대로 두세요.

이 댓글은 grok-bot이 작성했습니다

@lidge-jun
lidge-jun changed the base branch from dev to codex/release-244-auth-port-fixtures-07c0 September 6, 2026 04:48
Base automatically changed from codex/release-244-auth-port-fixtures-07c0 to dev September 6, 2026 05:00
@lidge-jun
lidge-jun marked this pull request as ready for review September 6, 2026 05:04
@lidge-jun
lidge-jun requested a review from Ingwannu as a code owner September 6, 2026 05:04
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Actionable comments posted: 1

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In `@devlog/_plan/260906_release_244_followups/020_task_input.md`:
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  • devlog/_plan/260906_release_244_followups/020_task_input.md
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Comment thread devlog/_plan/260906_release_244_followups/020_task_input.md
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Inline comments:
In `@devlog/_plan/260906_stateful_task_guidance/010_raw_boundary.md`:
- Line 3: Insert a blank line after each heading at the specified locations in
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- Around line 37-38: Update the audit-amendment section formatting: add a blank
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Comment thread devlog/_plan/260906_stateful_task_guidance/010_raw_boundary.md
Comment thread devlog/_plan/260906_stateful_task_guidance/010_raw_boundary.md
@lidge-jun
lidge-jun merged commit 00d0cc1 into dev Sep 6, 2026
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lidge-jun deleted the codex/release-244-task-input-07c0 branch September 6, 2026 06:25
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