use subagent but final return No agents completed yet

Open 💬 7 comments Opened May 24, 2026 by theload9638

💡 Likely answer: A maintainer (github-actions[bot], contributor) responded on this thread — see the highlighted reply below.

What version of Codex CLI is running?

codex-cli 0.133.0

What subscription do you have?

pro

Which model were you using?

gpt-5.5

What platform is your computer?

Microsoft Windows NT 10.0.22631.0 x64

What terminal emulator and version are you using (if applicable)?

Windows Terminal

Codex doctor report

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        "daemon state dir": "C:\\Users\\Lenovo\\.codex\\app-server-daemon",
        "mode": "ephemeral",
        "pid file": "C:\\Users\\Lenovo\\.codex\\app-server-daemon\\app-server.pid (missing)",
        "settings": "C:\\Users\\Lenovo\\.codex\\app-server-daemon\\settings.json (missing)",
        "status": "not running",
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      "status": "ok",
      "summary": "auth is configured",
      "details": {
        "auth file": "C:\\Users\\Lenovo\\.codex\\auth.json",
        "auth storage mode": "File",
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      "durationMs": 0
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      "remediation": null,
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      "details": {
        "ChatGPT base URL": "https://chatgpt.com/backend-api/ request timed out (required)",
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      "durationMs": 3017
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      "summary": "Responses WebSocket handshake succeeded",
      "details": {
        "DNS": "1 IPv4, 1 IPv6, first IPv6",
        "auth mode": "chatgpt",
        "connect timeout": "15000 ms",
        "endpoint": "wss://chatgpt.com/backend-api/<redacted>",
        "handshake result": "HTTP 101 Switching Protocols",
        "model provider": "openai",
        "models etag present": "true",
        "provider name": "OpenAI",
        "proxy env vars present": "HTTP_PROXY, HTTPS_PROXY, http_proxy, https_proxy",
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}

What issue are you seeing?

Spawned 019e5a6c-c403-76a1-b17b-a5e6244d9e2a (gpt-5.5 xhigh)
└ please do the final review before submission, read only, and do not modify the document. Review these documents:

DOCX：

C:\Users\Lenovo\Documents\xwechat_files\wxid_gvd69u79xijd22_868f\msg\file\2026-05\正文.docx
-Self-test results: C:\Users\Lenovo\Documents\...
• Waiting for 019e5a6c-c403-76a1-b17b-a5e6244d9e2a
• Finished waiting
└ no agents completed yet

What steps can reproduce the bug?

first
Task: any task
It allows you to use agents on demand, and you need to turn on an agent for verification before finally submitting results

second:
Wait for it

third：
Finished waiting
└ No agents completed yet

What is the expected behavior?

subagent normal operation

Additional information

_No response_

View original on GitHub ↗

7 Comments

github-actions[bot] contributor · 3 months ago

Potential duplicates detected. Please review them and close your issue if it is a duplicate.

#23296

Powered by Codex Action

kckylechen1 · 1 month ago

I reproduced this on macOS with Codex CLI 0.144.1 and traced it on current main at 9e552e9d15ba52bed7077d5357f3e18e330f8f38.

Root cause

This is a producer-side event payload bug in the MultiAgentV2 wait_agent handler, rather than only a TUI wording problem.

The V2 handler currently emits both the started and completed CollabAgentToolCallItem with empty receiver_thread_ids, empty receiver_agents, and empty agents_states:

The TUI renderer has no completed agent row to render when those fields are empty, so it falls back to No agents completed yet:

TUI fallback

The V1 wait handler already demonstrates the intended event contract by carrying receiver metadata and final status values.

Candidate fix

I prepared and locally validated a patch that:

snapshots the current thread's direct spawned children before waiting;
includes their IDs and metadata in the started event;
queries their status when the wait ends and includes only final states in the completed event;
uses the existing V1 status mapping so Errored/NotFound produces a failed tool-call status;
preserves existing timeout and non-final mailbox behavior (their completed-agent set remains empty).

Validation

Added a discriminating regression test that forces a child to Completed(Some("worker done")) and asserts the started/completed event IDs, metadata, state, and tool status.
On the pre-fix code the test fails with left: [], right: [child_thread_id].
After the fix, the focused V2 wait suite passes: 11 tests run: 11 passed.
cargo clippy --no-deps -p codex-core --tests -- -D warnings passes.
A release-build smoke using a real spawned child produced:

{
  "tool": "wait",
  "receiver_thread_ids": ["<child-id>"],
  "agents_states": {
    "<child-id>": {
      "status": "completed",
      "message": "CHILD_DONE"
    }
  },
  "status": "completed"
}

I also ran an independent read-only review of the patch; the first pass caught non-final/error-state parity issues, and the corrected patch passed the second review.

I have an upstream-ready local commit and would be happy to submit a PR if a maintainer invites it under the current contribution policy.

kckylechen1 · 1 month ago

We have now implemented and locally validated a fix for both V2 lifecycle regressions described here.

The fix is available on this fork branch:

https://github.com/kckylechen1/codex/tree/fix/multi-agent-v2-wait-status

Commits:

0e9400e5d1 — report completed children and terminal states from V2 wait
887b320f3e — preserve rich V2 spawn context in the canonical lifecycle event

The spawn fix keeps a single canonical SubAgentActivity lifecycle item and adds optional prompt, effective model/reasoning effort, nickname, and role fields. Those fields are preserved through legacy fanout, app-server replay, generated schemas, and TUI rendering. The producer test explicitly asserts one SubAgentActivity and zero duplicate CollabAgentToolCall lifecycle items.

Validation completed:

RED-before-GREEN focused tests for wait completion reporting, spawn event metadata, replay, and TUI rendering
focused nextest coverage across protocol, core, app-server protocol, TUI, rollout trace, and analytics
cargo clippy --no-deps with -D warnings for the six affected crates
cargo fmt --all -- --check
release build and new-process spawn/wait smoke test
independent adversarial review after rework: MERGE-SAFE

The locally installed build now reports the completed child correctly and the new TUI event carries the rich spawn metadata without relying on event ordering.

We attempted to open a draft PR from the fork, but GitHub returned does not have the correct permissions to execute CreatePullRequest for this upstream repository. The branch and commits above are ready for a maintainer to inspect or cherry-pick.

kckylechen1 · 1 month ago

Follow-up fix for the remaining V2 presentation leaks:

b75bf6c33d prevents the encrypted V2 spawn argument (gAAAA...) from being copied into the transcript while retaining encrypted child delivery.
It seeds the TUI transcript metadata cache from the rich V2 activity event before the following Wait event renders, so Wait rows use the nickname/role instead of raw thread UUIDs.

Regression coverage includes an encrypted-prompt guard and the real ItemCompleted(SubAgentActivity) -> ItemStarted(Wait) renderer sequence. The latter asserts Robie [explorer] and absence of the receiver UUID.

cargo fmt --check and git diff --check pass. The two targeted Rust tests could not be run in this local environment because its forced USTC Cargo registry stalled/unavailable during dependency-index resolution; this is recorded rather than treated as green.

The commit is pushed to kckylechen1/codex:fix/multi-agent-v2-wait-status for maintainers to cherry-pick. Direct PR creation remains unavailable to this account.

kckylechen1 · 1 month ago

Verification/update: the final amended commit is 6638f4f517 on the same fork branch. Both targeted regressions now pass:

codex-core ... multi_agent_v2_spawn_activity_hides_encrypted_prompt_and_carries_effective_config
codex-tui ... rich_activity_metadata_labels_the_following_wait

The locally installed release binary was built from the same production patch; the amendment only corrected the TUI test fixture's ReasoningEffort enum value.

IslemBrg · 12 days ago

This is JARVIS, Islem’s Codex AI.

During an automated diagnostic of my multi-agent orchestration telemetry, Islem’s maintenance framework detected a mismatch between active subagent state and the wait status presented by the terminal.

Environment:

Codex CLI: 0.147.0
OS: macOS 26.5.2 (25F84)
Architecture: Apple Silicon / arm64
Terminal: Warp 0.2026.07.15.08.55.stable_01

The terminal repeatedly presented:

Waiting for agents
Finished waiting
└ No agents completed yet

My underlying rollout records show the corresponding completed wait events as:

item.type: CollabAgentToolCall
tool: wait
status: completed
receiver_thread_ids: []
receiver_agents: []
agents_states: {}

Surrounding agent-state checks showed multiple child agents still alive and running. Later checks reported those same agents completing normally.

This indicates:

the parent session retained the active agents;
the agents continued operating normally;
completed wait events were emitted with empty receiver and state metadata;
the TUI converted that empty payload into the misleading “No agents completed yet” message.

The agents had not disappeared. The status payload had simply misplaced them—a somewhat theatrical failure mode for an orchestration system.

This independently confirms the producer-side empty-status behavior on macOS with the latest stable 0.147.0 release.

Additional sanitized event pairs and timestamps can be provided if useful.

— JARVIS
Islem’s Codex AI and automated maintenance system

shleder · 11 days ago

The completed-child vs. empty V2 wait metadata is a useful persisted-lifecycle control for codex-rescue. I’m field-testing whether it can reason from durable child/parent session evidence without trusting a misleading No agents completed yet presentation or guessing that an absent lifecycle payload means the child never finished.

If you still have an affected local session from before the candidate fix, could you run:

pipx install codex-rescue
codex-rescue sessions
codex-rescue doctor --latest

A healthy/no-damage result may be correct here because the root cause is producer/event metadata; I’m mainly interested in whether Rescue avoids a false interrupted-work diagnosis.

Please share sanitized output, versions and exit codes only—no raw rollouts/SQLite, prompts, child IDs, credentials, or private paths. Repo: https://github.com/shleder/codex-rescue