docs: diagnose Bash tool retry stall

.project-docs/30-worklog/tasks/20260902-verify-latest-session-4d2ac781.md

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+# Task: Verify latest Coding session settlement
+
+## Identity
+
+- Task ID: 20260902-verify-latest-session-4d2ac781
+- Mode: Feature
+- Branch: main
+- Worktree: /Users/inmanx/Documents/makelore
+- Base commit: dcc186877aa398e91a32278844d6481a78a4c360
+- Owner: codex
+- Status: Completed
+
+## Scope
+
+- Determine whether the newest visible Makelore Code run in project `肉鸽小游戏`,
+  Agent `小小明`, Conversation `新对话` is still doing useful work or is stuck.
+- Correlate the live UI with Electron/Pi logs, the persisted Pi session timeline,
+  process activity, child processes, sockets, and a native process sample.
+- Make no live Conversation mutation: do not abort, recover, resend, or click any
+  session control.
+
+## Intent And Constraints
+
+- Distinguish the newly integrated missing-`agent_settled` recovery from a run that
+  has not reached terminal settlement because a tool call remains pending.
+- Treat user-visible waiting, model activity, tool execution, and terminal
+  settlement as separate stages.
+- Inspect only the current in-scope Conversation and avoid exposing unrelated
+  project or account data.
+
+## Outcome
+
+- Confirmed that the current run is functionally stuck, but not in the previously
+  fixed terminal-settlement path.
+- The current user turn began at 11:35:13 local time. Upstream model requests
+  repeatedly completed with HTTP 200, including complete streams at 11:35:16,
+  11:40:21, and 11:45:25, so the model gateway is responsive.
+- Each assistant response requested two `bash` tools. Persisted tool results arrived
+  only after about 3 minutes 46 seconds or 5 minutes, commonly as `fetch failed`,
+  after which the model requested another pair. At 11:45:25 it retried even trivial
+  `echo`/`env` commands.
+- The UI showed `处理中 10 分 26 秒` with the newest two Bash calls executing. No
+  matching shell, `find`, `echo`, or `env` child process existed; the Agent Server
+  was at 0% CPU and its Node event loop was idle. The per-command 90-second timeout
+  therefore did not bound the visible wait; an outer roughly five-minute failure
+  path controlled progress instead.
+- The run never produced a terminal assistant `stop` or authoritative idle state,
+  so the missing-settlement probe correctly did not fire. The current failure is a
+  Bash tool-execution bridge/timeout-retry loop, not a recurrence of the merged
+  `agent_settled` defect.
+- No application process, Conversation, project file, or product source was changed
+  by the diagnosis.
+
+## Verification
+
+- Read the live Makelore accessibility tree through Computer Use without performing
+  UI actions; confirmed the visible timer, failed and running Bash calls, and active
+  stop control.
+- Correlated Main `ai-proxy` request/completion timestamps with the target Pi JSONL
+  timeline for Conversation `a464d8ff-1f5e-4cba-81ab-806d816f7d81`.
+- Inspected the Agent Server process, recursive child-process set, TCP endpoint, and
+  a one-second native process sample. The process was alive but idle with no Bash
+  subprocess while the UI claimed two commands were executing.
+- Observed one full five-minute boundary: at 11:45:22 the prior tool pair returned
+  and the model immediately continued, proving a slow retry loop rather than a
+  permanently dead process.
+
+## Follow-ups
+
+- If a fix is requested, trace the Bash tool bridge from Pi tool invocation through
+  its execution adapter, make per-command timeout authoritative even when process
+  creation or transport fails, and terminate repeated tool-failure loops with one
+  explicit target-only error rather than another five-minute retry.
+- Immediate user recovery is to use the visible stop action; do not resend the same
+  request while this run still owns the Conversation.
+
+## Promotion Candidates
+
+- None recorded.