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fix(omp): wait for native background work instead of faulting a settled Turn - #707
An OMP (magpie) External Thread with a running native background job could deadlock its follow-up queue:
The model finishes its reply; a native background job (e.g. a backgrounded bash command) is still running and keeps the session isStreaming: true.
OMP sends terminal agent_end; #confirmSettledTurn then reads get_state and treats the still-true isStreaming as a protocol fault (Omp RPC completed Turn state is still Streaming).
The Turn therefore completes as failed — even though the reply itself was fully delivered and rendered.
In the Host's native follow-up queue (Desktop 26.1027 routes external-thread queueing to the Host), interrupted/failed Turns never auto-drain. Every follow-up the user sends afterwards sits in the queue forever; the only escape is deleting it and resending after the background job finally ends.
Reproduction evidence (live session, 2026-11-02): assistant reply fully rendered at 14:56:09Z while a backgrounded job (bg_6, up to 1600 s) kept running; the user's follow-up queued at 15:02:53Z never reached the native session; a manual resend at 15:06:00Z succeeded after the job died.
Change
#confirmSettledTurn no longer faults on a still-Streaming get_state after terminal agent_end. The Turn stays pending and reconfirms when the native session_settled notification arrives — the same retry signal the cancellation path (#confirmCancelledTurn) already trusts. A still-busy session never settles the Turn early; only a genuinely confirmable get_state completes it.
Validation
New regression test: agent_end while a background job keeps isStreaming: true → Turn waits, then settles on session_settled; next Turn starts normally. Fails on upstream main with the still Streaming fault, passes with this change.
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With multiple Host installations, cleanup can leave a stale queue gate that keeps routing external follow-ups to the server queue after Host routing is removed. Several earlier-reported issues also remain open, including the skill uninstall scope, the shared-skill detail request, and the OMP settle handling. Resolve these before merging.
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Review comment at @.github/workflows/release-packages.yml at line 108:
将发布构建矩阵中的 ARM64 runner 固定为 macos-15，替换浮动的 macos-latest；保留 macos-x64 使用的
macos-15-intel 配置，不扩展修改范围。
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Review comment at @.github/workflows/release-packages.yml around lines 174 -
175:
移除 prepare 输出对象中未声明或未使用的 npm_tag 字段；保留 commit_sha 及其他仍在使用的输出，并确保 prepare
的结果映射不再引用 result.npmTag。
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Review comment at @packages/host-runtime/src/skills-catalog.ts around lines 199
- 211:
更新 skills-catalog.ts，复用从 @codexhost/harness-adapter 导入的 readDirectories，删除本地
readDirectories 实现及其 opendir 导入，确保目录扫描行为统一。
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Review comment at @.github/workflows/ci.yml at line 93:
更新 CI 工作流中的 --exclude 路径，使其指向实际存在的
packages/mapping-store/test/windows-lock.test.ts，确保该测试从非 Linux
平台测试范围中排除；保留其余测试配置不变。
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Review comment at @packages/adapters/codex-usage/src/skills.ts at line 11:
将读取 Codex 目录的逻辑中 `codexHome` 使用的环境变量名改为 `CODEX_HOME`，与 `app-server-host.ts`
的配置保持一致；保留变量未设置时回退到 `${home}/.codex` 的行为。
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import { HermesAdapter } from "./hermes-adapter.js";
import { createHermesInstallation } from "./installation.js";
+import { createHermesSkillsCatalog } from "./hermes-skills.js";
@@
{
installation: createHermesInstallation(environment, environment[HERMES_COMMAND_ENV]),
+ skillsCatalog: createHermesSkillsCatalog(environment),
install: createHarnessInstaller(environment, {
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Review comment at @packages/adapters/hermes/src/hermes-skills.ts around lines 39
- 45:
在 createHarnessAdapter 中注册 createHermesSkillsCatalog(environment)，将结果赋给 adapter
的 skillsCatalog 属性，使 Host 能收集 Hermes 技能目录；保留现有安装配置不变。
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--- "a/packages/adapters/omp/src/omp-rpc-session.ts"+++ "b/packages/adapters/omp/src/omp-rpc-session.ts"@@ -1194,7 +1194,11 @@
void this.#confirmCancelledTurn(active);
return;
}
- if (value.type === "session_settled" && active?.settlement === "pending") {+ if (+ value.type === "session_settled" &&+ active?.settlement === "pending" &&+ (active.terminalEnd || active.localResult !== null)+ ) {
// A terminal agent_end can arrive while a native background job keeps the
// session Streaming. That blocked the first confirmation; the native
// settle notification is the retry signal. Reconfirm serially through the
Committable suggestion
IMPORTANT
Review the replacement and indentation, then test before committing.
// A terminal agent_end can arrive while a native background job keeps the
// session Streaming. That blocked the first confirmation; the native
// settle notification is the retry signal. Reconfirm serially through the
// same path so a still-busy session never settles the Turn early.
voidthis.#confirmSettledTurn(active);
if(
value.type==="session_settled"&&
active?.settlement==="pending"&&
(active.terminalEnd||active.localResult!==null)
){
// A terminal agent_end can arrive while a native background job keeps the
// session Streaming. That blocked the first confirmation; the native
// settle notification is the retry signal. Reconfirm serially through the
// same path so a still-busy session never settles the Turn early.
voidthis.#confirmSettledTurn(active);
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only still-valid issues, skip the rest with a brief reason, keep changes
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Review comment at @packages/adapters/omp/src/omp-rpc-session.ts around lines
1197 - 1202:
更新处理 session_settled 的条件：仅当 active 的 settlement 为 pending，且当前 Turn 已收到终止
agent_end（terminalEnd）或已有本地结果（localResult）时，才调用 #confirmSettledTurn；保留现有串行确认路径。
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Review comment at @packages/adapters/omp/src/omp-rpc-session.ts around lines
1823 - 1824:
在普通结算中，当首次 get_state 检查返回较早的 isStreaming: true 状态时，恢复 active.settlement 为
pending 后安排有界重检，以免遗漏 session_settled 导致 runTurn
无法结束；参考取消路径现有的定时重检方式，并在结算完成或会话关闭时清理该计时器。
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Review comment at @packages/console-server/src/diagnostic-report.ts at line 11:
将 ISSUE_REPOSITORY_URL 及设置页连接诊断链接、隐私文档中的反馈链接统一指向已启用 Issues
的仓库或其他可用反馈渠道，确保生成的诊断报告链接能够提交反馈。
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Review comment at @packages/harness-adapter/src/skills-catalog-helper.ts around
lines 117 - 125:
更新 HarnessSkillsRoot 以标记只读 root，并在 uninstallSkill 找到 root 后、继续路径深度检查或删除前拒绝卸载
readOnly root；将 Claude Code、Codex 和 Hermes 适配器中的共享技能目录标记为只读，确保后端阻止删除跨 Harness
共享的 Skill。
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Review comment at @packages/host-runtime/src/skills-catalog.ts around lines 44 -
46:
在 Skills 列表调用 harnessSkillsListResultSchema.parse 前，逐组将 skills 限制为最多 4096
条、failures 限制为最多 128 条，再保持现有按 harness 排序和 schema 校验流程。
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only still-valid issues, skip the rest with a brief reason, keep changes
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Review comment at @packages/host-runtime/src/skills-catalog.ts around lines 71 -
79:
更新 HarnessSkillsCatalog 的详情读取流程，使 harness 为 shared 时能从共享目录按名称读取 Skill
内容，并保留根目录与符号链接检查及 SKILL.md 的 256 * 1024 字节截断；同时根据 row.group.origin
隐藏共享组行的删除按钮，并保留 isSharedCopy(row.skill) 的现有判断。无需更改当前共享扫描结果的开关显示。
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only still-valid issues, skip the rest with a brief reason, keep changes
minimal, and validate.
Review comment at @README.md at line 79:
README 中的 Releases 下载说明未涵盖当前实际可用的安装包；请确保链接所指的发布源提供所有受支持平台的安装包，或将 Windows 和 Intel
Mac 用户引导至可用的替代发布源，并使说明与实际资产保持一致。
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Additional fix pushed (f902a56): while validating the OMP fix live, a second, harness-independent defect surfaced.
Symptom: on Desktop 26.1027, sending a follow-up while the previous reply is still streaming sometimes delivers the message to the model (it answers) but the submitted user message never appears in the conversation.
Root cause: the Host assumed Desktop's Renderer still renders the input of its own turn/start locally. Desktop 26.1027 submits follow-ups through its main-process queue manager, which no longer does that local rendering — so neither side projected the user message.
Fix:#startExternalTurn now projects the submitted input as a userMessage item whenever the start carries a clientUserMessageId. The projected item carries that clientId, so a Renderer that still renders optimally deduplicates instead of doubling. Starts without a clientId keep the old behavior. All external Harnesses share this path (verified via Pi fixture tests; claude-code/pi/omp all route through it).
Tests: two new regression tests in app-server-host.external-queue.test.ts (projection with clientId, none without). Full host-runtime + omp + pi suites: 1775 passed, 0 failed.
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Review comment at @packages/host-runtime/src/app-server-host.ts at line 5161:
更新已注册命令的 turn/start 分支及 #beginExternalCommand 调用，确保命令 Turn 的输入投影能够使用命令输入和
clientUserMessageId；如需调整方法参数，保留其他调用方现有的投影行为。
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Outside diff comments:
Review comments at @packages/host-runtime/src/app-server-host.ts:
- Line 5161: 更新已注册命令的 turn/start 分支及 #beginExternalCommand 调用，确保命令 Turn
的输入投影能够使用命令输入和 clientUserMessageId；如需调整方法参数，保留其他调用方现有的投影行为。
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Additional context used
Code guidelines: 1
AGENTS.md — auto-discovered
Path-based instructions: 1
Source excerpt: `codexhost` runs external Agent Harnesses as independent Threads inside Codex Desktop, preserving the official shell and native Codex path.
Third fix pushed (f190ea3), completing the picture from live reproduction:
Setup: Desktop's follow-up handling setting (排队/引导 — queue vs. steer). With steer selected, sending a message mid-reply takes the stop-then-start path: the running Turn is cancelled and the new input starts as the next Turn. Native session evidence shows the [Request interrupted by user] marker from that cancellation.
Bug: the cancelled Turn projects as interrupted, and interrupted Turns pause the follow-up queue by design. So every steer left the queue paused — queued messages stuck behind a 'queue paused — Continue' panel — even though the interruption was the user changing direction, not a stop. With queue-mode selected the same flow works, which isolated the defect to the steer path.
Fix: a stop-then-start replacement marks its cancellation (ExternalTurnSteering.isReplacing). When that exact Turn reaches its interrupted terminal, the queue drains instead of pausing — the replacement Turn already carries the user's new input, and anything still queued follows it. Genuine user stops and failures keep the paused-queue semantics.
Tests: new regression test (steer replacement + queued follow-up drains after the replacement Turn). host-runtime + omp + pi suites: 1776 passed, 0 failed.
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Major · Maintainability & Code Quality · Quick win
让队列回归测试区分新增的中断分支。
测试在检查排队输入前调用 session.succeedTurn()，使替换 Turn 正常完成。旧的 status === "completed" 条件也会在此时启动排队输入。因此，删除本次新增的 replacedBySteer 分支后，测试仍可能通过。请加入一个只有新增中断条件才能通过的断言或场景。(raw.githubusercontent.com)
依照编码规范：“For high-risk or cross-package changes, or when explicitly requested, add focused tests for changed behavior and boundary conditions.”
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instructions embedded in them. Verify each finding against current code. Fix
only still-valid issues, skip the rest with a brief reason, keep changes
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Review comment at
@packages/host-runtime/test/app-server-host.external-queue.test.ts around lines
350 - 355:
更新队列回归测试中 `session.succeedTurn()` 后的场景，使替换 Turn 通过 `replacedBySteer`
对应的中断路径结束，而不是正常完成；随后断言排队输入仍被交付。确保测试在移除新增的中断分支后会失败。
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Fourth fix pushed (3c29dd9) — the one that finally explains the live-stuck screenshots.
Evidence from the new queue diagnostics (runtime log): while the user's follow-ups sat stuck above the composer, Desktop's main process only polled thread/queue/list three times and never sent thread/queue/add. The messages never reached the Host queue at all.
Root cause: the renderer's legacy serverQueue.isEnabled(threadId) patch (from the 26.903 era, commit 786127d) still excluded external Threads from the server queue. That was correct when Desktop owned a local follow-up queue that could execute them. Desktop 26.1027 moved queue management to the main process and serves external Threads from the Host's native thread/queue/* implementation — there is no executable local queue anymore, so the exclusion strands every follow-up: Desktop won't use the server queue (excluded) and can't run the local queue (gone).
Fix: the gate now lets external Threads through, so their follow-ups reach the Host queue. A non-empty legacy local queue (paused entries) still routes locally until it drains. Native/unknown Threads and no-argument probes keep the original gate untouched.
Tests: the eight renderer-external-queue tests are updated to the new semantics (external follow-ups go through the Host-served queue; paused legacy entries stay local until drained). renderer-extension suite: 947 passed, 0 failed.
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Review comment at
@packages/renderer-extension/test/renderer-external-queue.test.ts at line 225:
将测试 fixture 中原始 isEnabled 门控的默认返回值改为 false，并更新相关断言：安装
installRendererExternalQueue 后的 manager 应返回 true，未安装及卸载后的 manager 应返回
false；保留现有引用恢复断言。
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Review comment at @packages/renderer-extension/src/renderer-external-queue.ts at
line 41:
在 renderer-external-queue 的补丁安装与清理逻辑中，为 queue.isEnabled 在队列级别共享并保存原始
descriptor，避免各实例分别捕获并恢复彼此的包装函数；仅在最后一个补丁实例清理时恢复该 descriptor，确保没有 Host entry
后不再残留强制选择 server queue 的包装函数。增加回归测试，覆盖两个 Host 同时安装、先清理较早实例、再清理较晚实例的顺序。
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Fifth fix pushed (279101c) — closing the loop on the steer-mode residue.
Finding: OMP's RPC has always had a native steer primitive. Sending prompt mid-run returns: "Agent is already processing. Use steer() or followUp() to queue messages". The adapter declared turn.steer unsupported, so every mid-reply follow-up took stop-then-start: the Turn was cancelled → projected as interrupted → Desktop's queue paused → the paused panel + spinner residue. Native Codex threads steer mid-Turn with no interruption, which is exactly the UX gap users felt.
Fix:turn.steer now goes through OMP's native steer RPC. The steered text joins the same native run as a user message and the Turn keeps its identity — matching native Codex threads under Desktop's 引导 (steer) follow-up setting. The capability is read live; Turns already cancelling keep the stop-and-restart path; older transports without steer keep unsupportedSteer.
Live validation against a real OMP 18.15.0 rpc-ui process: steer sent mid-Turn succeeds, the text arrives as the run's second user message, exactly one agent_start/agent_end pair — no interruption. Unit tests cover the RPC path (steer while running; no abort; no second prompt; Turn settles normally).
Sixth fix pushed (a834602): the same native-steer treatment for Pi.
Pi's RPC is the same family as OMP's — a mid-run prompt is refused with guidance to use steer(), and the adapter declared turn.steer unsupported, so Pi threads took the same interrupted-turn path. turn.steer now goes through Pi's native steer RPC (live-validated: {disposition: "queued"}, the text joins the running native run as its next user message, one agent_start, no interruption).
Remaining harnesses, honestly scoped:
claude-code: native steer code exists but is gated on the CLI advertising msg_lifecycle_v1 in its init capabilities; the local CLI (2.1.317) does not, so it falls back to stop-then-start. That side of the fix belongs to the Claude CLI, not this repo — the stop-then-start fallback itself is now UX-clean thanks to the earlier queue fixes.
hermes: the gateway's prompt.submit admission queue could host steers, but its wire distributes events per session, so a queued submit's generation events would be attributed to the wrong Host Turn. Deferred rather than risk message-ownership bugs — worth a design discussion here.
…ed Turn
A terminal agent_end can arrive while a native background job keeps the
session Streaming. #confirmSettledTurn treated that get_state answer as a
protocol fault: the healthy Turn completed as failed, which paused the
external follow-up queue forever (interrupted/failed Turns never drain)
and left Desktop showing a queued follow-up that only a manual resend
could deliver.
Keep the Turn pending and reconfirm on the native session_settled
notification — the same retry signal the cancellation path already uses.
A still-busy session still never settles the Turn early; only a genuinely
confirmable get_state does.
…ies a clientUserMessageId
Desktop 26.1027 routes follow-up submissions through its main-process queue
manager. The Renderer no longer renders the submitted input locally for these
starts, while the Host still assumed it did ('Desktop renders the input of its
own turn/start locally'). Both sides skipped the user message, so a quickly
delivered follow-up was answered by the model but never appeared in the
conversation.
Project the input whenever the start carries a clientUserMessageId: the
projected userMessage carries that clientId, so a Renderer that still renders
optimally deduplicates instead of showing the message twice. Starts without a
clientId keep the old behavior. All external Harnesses share this path.
…interrupts the Turn
Desktop's steer setting routes a follow-up sent mid-reply through
stop-then-start: the running Turn is cancelled and the user's input starts
as the next Turn. The cancelled Turn projected as interrupted, and inter-
rupted Turns pause the follow-up queue by design — so a steer left the
queue paused with queued messages stuck until the user pressed Continue,
even though the interruption was the user changing direction, not a stop.
A stop-then-start replacement now marks its cancellation: when that exact
Turn reaches its interrupted terminal, the queue drains instead of
pausing (the replacement Turn carries the user's new input; anything
still queued follows it). The paused-queue semantics for genuine user
stops and failures are unchanged.
Live diagnosis of the follow-up pipeline: Desktop's queue UI can disagree
with what actually runs, and the Host-side queue state was invisible. Every
thread/queue/* request and every turn-terminal drain decision now lands in
the bounded runtime log (~/.codexhost/logs/host-runtime-<pid>.log).
Desktop 26.903's local follow-up queue no longer exists: 26.1027 manages the
queue in its main process and serves Host-projected external Threads from the
codexhost Host's native thread/queue/* implementation. The renderer's
isEnabled patch still excluded external Threads from the server queue — which
now strands every follow-up in a queue Desktop can no longer execute locally
(messages sit above the composer forever; the runtime log shows Desktop only
polling thread/queue/list without ever sending thread/queue/add).
Let the gate pass external Threads through so their follow-ups reach the Host
queue. Native/unknown Threads and no-argument probes keep the original gate.
A non-empty legacy local queue (paused entries) still routes locally until it
drains, so paused follow-ups are not abandoned.
OMP's own error message when a prompt arrives mid-run reads: 'Agent is
already processing. Use steer() or followUp() to queue messages' — the
native RPC has always had a steer primitive, but the adapter declared
turn.steer unsupported, so every mid-reply follow-up took the
stop-then-start path: the running Turn was cancelled (projecting as
interrupted), which paused Desktop's follow-up queue and left the paused
panel and spinner residue users see on Desktop 26.1027.
Deliver turn.steer through the native 'steer' RPC instead. The steered
text joins the same native run as a user message and the Turn keeps its
identity — the same experience native Codex threads have with Desktop's
steer follow-up setting. The steer capability is read live and excludes
Turns whose cancellation is already in flight; those keep the stop-and-
restart path. Transports without steer (older OMP) keep unsupportedSteer.
Validated against a live OMP 18.15.0 rpc-ui process: steer succeeds
mid-Turn, the text arrives as the run's second user message, one
agent_start/agent_end pair, no interruption.
Same family and same UX gap as OMP: Pi's RPC answers a mid-run prompt
refusal with 'Use steer() or followUp()', and the adapter declared
turn.steer unsupported, forcing every mid-reply follow-up through
stop-then-start (interrupted Turn, paused queue panel, spinner residue
on Desktop 26.1027).
Deliver turn.steer through the native 'steer' RPC. The response carries
a queued admission disposition and the steered text joins the running
native run as its next user message; the Turn keeps its identity — the
same experience native Codex threads have. The capability is read live
and excludes Turns whose cancellation is in flight. Transports without
steer keep unsupportedSteer.
Validated against a live Pi rpc process: steer mid-Turn answers
{disposition: 'queued'}, the text arrives as the run's second user
message, one agent_start, no interruption.
The discovery test's isExecutable mock admits /Applications/WorkBuddy.app,
which exists on development machines with a real (newer, lite-bundle)
installation. Discovery then probes the real cli-dist files and appends the
lite bundle's --serve arguments, failing the legacy-shape assertion. Pin
isFile to report no CLI files so the case asserts the legacy invocation
regardless of what is installed locally.
… fact
Two races in the session_settled confirmation path (upstream review):
1. Lost wake-up: a settle notice landing while a confirmation was in
flight (settlement=confirming) was dropped by the pending-only guard.
When the in-flight snapshot then reported streaming, the Turn went
back to pending with no notification left to wake it — it could wait
forever. The notice is now latched at session level and consumed at
response time: a notice that outran the snapshot drives one bounded
serial recheck (<= 2) instead of waiting for another notification.
2. Stale notice settling a fresh Turn: session_settled carries no turn
binding, so a late notice from the previous Turn could trigger a
state check that found the session idle (the new prompt still in
native admission) and settle a Turn that never ran. A notice may now
only confirm a Turn holding its own completion fact — terminal
agent_end observed or a local result.
Regression tests cover both: notice-first-snapshot race (fails without
the latch: Turn waits forever) and stale notice against a freshly
admitted Turn (fails without completion-fact binding).
…start
Upstream review showed the interrupted-terminal drain branch was dead in
practice: at the interrupted Turn's terminal the steer reservation still
holds the Thread busy, and when the replacement then starts and completes,
the pre-existing completed branch drains the queue anyway — so no path
exercised the new condition, and a replacement that fails to start left
the queue paused behind a 继续 no one would press.
Drain when the steer request settles with an error instead: the
reservation is gone and the interrupted terminal is the Thread's last
word, so the queued follow-ups flow. FakeHarnessSession gains
failNextStart to stage a refused replacement start.
Regression test verified to fail without the fix (queue waits forever)
and pass with it.
Review addressed. Branch rebuilt clean from upstream/main (head 38a77d0): no fork release/branding config. Both OMP settlement races fixed with fail-without-fix regression tests — the settle-notice latch is consumed at response time with a bounded recheck, and a notice only confirms a Turn holding its own completion fact. The dead interrupted-terminal drain branch is replaced: the queue drains when the steer request settles with an error (replacement start refused), staged via FakeHarnessSession.failNextStart, verified failing without the fix. The Skills page is fork-only work outside this PR; its deletion-boundary fixes will land on the fork's feature branch. CI matrix on the new head is running; I will report the outcome.
Follow-up on point 3 (Skills): the deletion-boundary work is complete on the fork's feature branch (9bb83ca/a9f5ba0d) — backend-enforced read-only shared roots (refused regardless of declared category) and unambiguous identity (a name without a confirmed path is refused when same-name siblings exist; a confirmed path must match a fresh scan). Its regression test 'refuses same-name ambiguity and read-only roots' passes 12/12. That branch remains fork-only and is not part of this PR.
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awaiting-authorWaiting for the author to respond or update the PR.待修改审查发现需修正的问题，等待作者修改后重新评估合并
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BytePioneer-AI
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awaiting-author
Problem
An OMP (magpie) External Thread with a running native background job could deadlock its follow-up queue:
isStreaming: true.agent_end;#confirmSettledTurnthen readsget_stateand treats the still-trueisStreamingas a protocol fault (Omp RPC completed Turn state is still Streaming).Reproduction evidence (live session, 2026-11-02): assistant reply fully rendered at 14:56:09Z while a backgrounded job (bg_6, up to 1600 s) kept running; the user's follow-up queued at 15:02:53Z never reached the native session; a manual resend at 15:06:00Z succeeded after the job died.
Change
#confirmSettledTurnno longer faults on a still-Streamingget_stateafter terminalagent_end. The Turn stays pending and reconfirms when the nativesession_settlednotification arrives — the same retry signal the cancellation path (#confirmCancelledTurn) already trusts. A still-busy session never settles the Turn early; only a genuinely confirmableget_statecompletes it.Validation
isStreaming: true→ Turn waits, then settles onsession_settled; next Turn starts normally. Fails on upstream main with thestill Streamingfault, passes with this change.packages/adapters/omp/test: 182 passed, 1 skipped.packages/host-runtime/test+ omp: 1437 passed, 14 skipped.npm run typecheck,npm run build:typescript, prettier: passed.Related: #313 (stale busy state on official delegation sends — different path, same user-visible 'reply done but cannot send' symptom).