fix: keep agent status running while hooks show activity - #15887
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📝 WalkthroughWalkthroughTool hook events now reach the notification journal as running lifecycle activity. The reconciler can reopen a settled turn for fresh activity, while ignoring idle observations during active turns and stale completions from prior turns. ChangesTool activity lifecycle
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix Sequence Diagram(s)sequenceDiagram
participant ToolHook
participant AgentFeedSemanticInput
participant FeedCoordinator
participant AgentNotificationReconciler
ToolHook->>AgentFeedSemanticInput: provide tool activity event
AgentFeedSemanticInput->>FeedCoordinator: draft running state change
FeedCoordinator->>AgentNotificationReconciler: forward lifecycle event to journal
Suggested reviewers: Merge Risk: 🔵 Low · up to Late tool results can incorrectly return a completed agent’s sidebar status to Running. This is a bounded status regression; merging requires owner awareness or a follow-up correction. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The change improves recognition of continued work, but a late tool result can leave completed work marked active and prevent idle-only hibernation. No privilege escalation was established; some input-authentication and downstream control behavior remains unverified. Retained concerns
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Review comments at @Sources/AgentFeedSemanticInput.swift:
- Around line 37-38: Update AgentFeedSemanticInput.draft and
AgentNotificationReconciler.Session to route identified and identity-less
PostToolUse through the same activity transition. Reject activity carrying the
settled turn identity, while still allowing preToolUse with a new unseen turn
identity to reopen the session; add the identity-less case to the late-result
regression test.
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Packages/macOS/CmuxAgentJournal/Sources/CmuxAgentJournal/AgentNotificationReconciler.swiftPackages/macOS/CmuxAgentJournal/Tests/CmuxAgentJournalTests/AgentLifecycleReducerTests.swiftPackages/macOS/CmuxAgentJournal/Tests/CmuxAgentJournalTests/AgentNotificationReconcilerTests.swiftSources/AgentFeedSemanticInput.swiftSources/Feed/FeedCoordinator+SemanticNotifications.swiftcmuxTests/AgentSemanticNotificationDeliveryTests.swift
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Review: Copperfield g1 💠 |
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Review: Reviewed lifecycle ordering, hook-to-sidebar work-state plumbing, hibernation safety, localization, test wiring, and the replay coverage. Fixed: fresh promptless activity with no turn identity now reopens only past the journal watermark; late older Stop and tool events stay stale; Waiting/Subagents and deterministic wait hooks are folded in with tests. Left: fleet dogfood could not create a job because the local controller lacks the HQ backend helper; pending approvals intentionally remain Needs input so they keep the existing user-attention behavior. CI is the build gate.\n\nCopperfield g1 💠\nrun: run_agent_status_idle_20260930\nsession: codex-agent-status-idle-20260930 |
The compact status glyph had one "running" state, so a pane running a fan-out of subagents, a pane parked on a background command, and a pane typing a reply all looked identical. Two of those are worth telling apart: subagent work is the loudest thing an agent does, and a pane waiting on a deterministic wakeup is not asking for anything. Claude's hooks now report what a running pane is running on through a new `set_status --work=running|subagents|waiting` option: - PreToolUse with `tool_name` of `Task` reports subagents. A Task call blocks the parent inside the tool until its subagents finish, so the state holds for exactly that span and the next parent hook clears it. No counter to drift. - Stop with a live background task or scheduled wakeup reports waiting instead of running. A re-entrant Stop stays running: that is the agent itself still going. The work state rides alongside the agent lifecycle rather than inside it. A waiting pane keeps reporting a running lifecycle on purpose, so hibernation can never SIGTERM live background work; the work state is presentational only, and the resolver reads it before the lifecycle branch. Waiting wins only when every agent in the workspace reports it, so one agent still working keeps the row running. Glyphs: subagents is a pulsing gray connected-points symbol, waiting is a still gray hourglass. Waiting does not pulse, because the agent is parked and a pulsing hourglass would claim otherwise. Both are configurable through `sidebar.compactStatusIcons`, and both reach the non-compact rows through the icon the hook sends. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> (cherry picked from commit b4bee23)
Two tours over the same five workspaces (subagents, waiting, running, needs input, idle): one with the compact glyph on, one with it off so the metadata rows show the icons the hooks send. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> (cherry picked from commit 5904e8a)
CI on 5904e8a caught two compile breaks the branch shipped with: the two `shouldReplaceStatusEntry` call sites in SidebarOrderingTests never gained the new `workState` argument, and a new control-socket test called `hasPrefix` on an optional response. `everyIconSlotHasADistinctState` also still pinned 11 icon slots against the 13 the branch now has. The cmuxTests target could not build, so none of the branch's own tests ran. The review that ran alongside it found three behavioral defects: Subagents never appeared on a current Claude Code. The PreToolUse row matched only `tool_name == "Task"`, and 2.x sends `Agent` for the same spawn. Both names now count, the way `AgentChatSessionRegistry.isTaskSpawn` already handles it for the mobile child-run tracker. An hourglass could cover a pane that was still working. Status entries are keyed per workspace while lifecycle states are keyed per panel, so two Claude panes in one workspace share one `claude_code` entry and the second to report wins. Waiting now also requires that every running lifecycle is covered by a waiting report, so a sibling pane mid-tool-call keeps the row running. Two panes both waiting under one key read as running, which is the conservative direction. The work state is now listed by `list_status` and `sidebar_state` as `work=<state>`, so the state behind the glyph is observable instead of screenshot-only. Also: the doc comment promised that an unknown work state degrades to a plain running row, while the socket rejects the whole `set_status` the way it already rejects an unknown `--format`; the comment now describes what the code does. `SidebarAgentWorkState.parse` dropped a `_`/`-` pass that no input could reach and a singular `subagent` alias the socket rejects, so the two parses accept the same set. The glyph header and docs/configuration.md listed Running above Waiting while the resolver checks Waiting first. Tests: the renamed spawn tool, the two-pane shared-key case both ways, two agents both parked, the listing line, and a pin on the raw values the sidebar and control-socket copies of the wire contract share. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> (cherry picked from commit 1bad27d)
CI caught this on the app-host lane: CLINotifyProcessIntegrationRegressionTests.testClaudePromptSubmitFrom NewSessionCanReplaceStoppedSession asserts the prompt-submit command as a prefix through `--tab=`, and `--work=running` was being inserted between `--color=` and `--tab=`, so the prefix no longer matched. Three assertions in tests/test_claude_hook_clear_running_status.py use the same contiguous fragment and would have failed on their own lane for the same reason. None of those four assertions is about work states; they check that prompt-submit sets Claude running on the right tab. Options are order-independent on the wire, since the coordinator reads a parsed option dictionary, so the new optional one goes at the end of the command instead and the older assertions stay intact. Updating them to expect `--work=running` would have coupled four unrelated checks to this feature and broken them again the next time the work state for prompt-submit changed. Pinned by a new test in ClaudeHookWorkStateTests: the running command must still start with the historical prefix and must end with the work option. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
The `help` text for `set_status` was the one place that still omitted `--work`, while the usage and error strings in both coordinator copies already list it. Pin the work-state ordering test through the workspace id, so it stands in byte for byte for the prefix the older suites assert, and say in the comment why order independence holds: every option here is `--key=value`, which a future bare flag would not be. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Review: CodeRabbit's identity-less late PostToolUse finding was valid and rechecked after the rebase. Copperfield g1 💠 |
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main no longer compiles after this merge@teamleaderleo: after Evidence: https://github.com/manaflow-ai/cmux/actions/runs/36763591498/job/110052392406 Nothing blocks merging meanwhile. A fix-forward (or, failing that, a revert) is attempted automatically unless an open pull request already fixes this. main_compile_attribution.py: post-merge, nothing here gates a merge. |
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Codex goal continuations and Claude mid-turn tool events can arrive after Stop without UserPromptSubmit, leaving the sidebar Idle. PreToolUse, PostToolUse, and tool failures now reopen fresh running activity, idle_prompt cannot settle an active turn, and late same-turn tool results or Stop events stay stale.
This also folds the #15238 work-state contract into the fix: Claude reports Running, Subagents, or Waiting. Waiting covers background work plus deterministic Monitor, CI wait, sleep, and polling tools while lifecycle remains running for hibernation safety. The sidebar has localized glyphs and replay coverage for promptless continuation, background resume, idle_prompt mid-turn, late Stop, subagents, and deterministic waits.
Related: #15238, #15276. Credit: #15173 and #15238.
Copperfield g1 💠
run: run_agent_status_idle_20260930
session: codex-agent-status-idle-20260930
Changelog
Fixed sidebar agent status staying Idle while hook activity shows the agent is working, and added Waiting and Subagents work states.
Summary by CodeRabbit