SpawnPod 実行後に assistant 応答が返らなかった観測

対象セッション

Main Pod session log:

<insomnia-sessions>/019e5d30-f7ad-7fb1-bdec-c592e888e290/019e5d30-f7ad-7fb1-bdec-c5a41394e6b1.jsonl

Session id:

019e5d30-f7ad-7fb1-bdec-c592e888e290

Segment id:

019e5d30-f7ad-7fb1-bdec-c5a41394e6b1

発生箇所

tui-actionbar-transient-notice-api の実装委譲で SpawnPod tool を呼んだ直後、tool result は session log に記録されているが、その後 assistant message が続かず、次の user message okay? まで約25分空いた。

Spawn した Pod:

impl-tui-actionbar-transient-notice-api

Worktree:

<repo>/.worktree/tui-actionbar-transient-notice-api

Socket:

<runtime-dir>/impl-tui-actionbar-transient-notice-api/sock

session log 上の時系列

該当 session log の行番号:

4242: assistant_item tool_call SpawnPod
4243: tool_result for SpawnPod
4265: user message "okay?"
4266: assistant response to "okay?"

時刻:

SpawnPod tool_call ts:   1779769846743 ms = 2026-05-26T13:30:46+09:00
SpawnPod tool_result ts: 1779769846957 ms = 2026-05-26T13:30:46+09:00
next user "okay?" ts:   1779771369887 ms = 2026-05-26T13:56:09+09:00
assistant response ts:  1779771389978 ms = 2026-05-26T13:56:29+09:00

Duration:

SpawnPod tool_call -> tool_result: 214 ms
SpawnPod tool_result -> next user message: 1,522,930 ms = 25m22.930s
next user message -> assistant response: 20,091 ms = 20.091s

SpawnPod tool_call payload

Tool call id:

call_vzIr5gYbIPz3ey34gkkQ5s0X

Tool name:

SpawnPod

Arguments summary:

name: impl-tui-actionbar-transient-notice-api
scope:
  read:  <repo>
  write: <repo>/.worktree/tui-actionbar-transient-notice-api
task: implementation request for tickets/tui-actionbar-transient-notice-api.md

SpawnPod tool_result

The tool result is recorded immediately after the call and reports success:

spawned pod `impl-tui-actionbar-transient-notice-api` listening on <runtime-dir>/impl-tui-actionbar-transient-notice-api/sock

This means the observed pause is not visible in the session log as a long-running SpawnPod tool call. The tool call/result pair itself is 214 ms apart.

観測事実

SpawnPod returned a successful tool result in the main session log.
No assistant message appears immediately after that tool result.
The next recorded input is the user message okay? about 25 minutes later.
After okay?, the assistant responded normally.
Therefore, from the recorded main session log alone, the gap is after the SpawnPod tool result and before the next assistant message, not inside the recorded SpawnPod tool execution.

調査に必要な追加データ

To identify the actual wait point next time, record or inspect:

LLM request lifecycle immediately after the SpawnPod tool result.
- LlmCallStart / LlmRetry / LlmCallEnd if present.
- provider HTTP status / retry state if present.
runtime log around the same timestamps for the main Pod.
child Pod session log for impl-tui-actionbar-transient-notice-api.
whether assistant generation was started after the tool result or never scheduled.

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