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An idle pi.sendMessage(..., { triggerTurn: true }) starts the turn through
_runAgentPrompt without before_agent_start (earendil-works/pi#5581, still
open), so the woken turn runs without the Gentle harness: claude-bridge
refuses it and other providers silently drop ODD for that turn (Gentleman-Programming#1528).
The three triggerTurn wake-ups in gentle-agents (incoming orchestrator
message, background completion, subagent notification/query) now go
through createIdleWakeSender. When the host is idle it queues the message
as nextTurn and starts the turn with sendUserMessage(" "), the normal
prompt() path; while a run is active the original sendMessage call is kept.
Idleness is read from ctx.isIdle(), the flag sendCustomMessage routes by.
Counting agent_start/agent_end is not enough: the host emits that pair per
inner prompt()/continue(), so a counter reads 0 while the run continues and
the message is stranded in nextTurn. A missing or stale ctx falls back to
the host path.
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Navigate logical layers of code changes, visualize relationships, and explore their blast radius. No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Repository UI Review profile: ASSERTIVE Plan: Advanced Run ID: 📒 Files selected for processing (2)
Included review availability: This review used your included allowance. Your plan provides up to 4 included reviews per hour; 2 remain after this review. 📝 WalkthroughWalkthroughThe change adds an idle-aware sender for extension messages. When the host is idle, it queues the message for the next turn and starts a prompt. Otherwise, it uses the supplied delivery options. gentle-agents routes orchestrator notifications, subagent completion results, and agent messages through the sender. ChangesIdle-aware message delivery
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix · Severity of issue fixed: Medium Sequence Diagram(s)sequenceDiagram
participant gentleAgents
participant idleWakeSender
participant ExtensionHost
gentleAgents->>idleWakeSender: Send agent message
idleWakeSender->>ExtensionHost: Check latest context isIdle()
alt Host is idle
idleWakeSender->>ExtensionHost: Queue message for nextTurn
idleWakeSender->>ExtensionHost: Start prompt with a space
else Host is running or context is unavailable
idleWakeSender->>ExtensionHost: Send with supplied options
end
Suggested reviewers: Merge Risk: ⚪ Minimal · up to Idle agent notifications now queue for the next turn and share a wake prompt, while running-host delivery retains its existing options. No concrete merge-blocking issue remains in the supplied evidence; merge after normal checks. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The change preserves the inspected session checks and aims to restore existing safeguards when an idle conversation resumes. The main remaining risk is recovery: a failed start can leave notifications waiting for later activity, and the timeout does not itself restart delivery. Retained concerns
Security review detailsSecurity Blast Radius
Security Findings and Attack Paths
Trust Boundaries and Controls
Resilience and Maintainability Implications
Hardening Proposals
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 1
- 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
Review comments at @lib/idle-wake.ts:
- Line 49: Update the wake handling around pi.sendUserMessage to synchronously
reserve a pending wake before submitting it, queue intervening messages as
nextTurn, and avoid submitting another prompt until the reserved wake starts.
Clear the reservation on failure and session replacement, and add a regression
test that sends twice while prompt preparation is pending.
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⚙️ Run configuration
Configuration used: Repository UI
Review profile: ASSERTIVE
Plan: Advanced
Run ID: 3fe63fdb-3140-4ed6-86cf-9802276d6d65
📒 Files selected for processing (4)
extensions/gentle-agents.tslib/idle-wake.tstests/gentle-agents.test.tstests/idle-wake.test.ts
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prompt() awaits input handlers, auth, compaction and before_agent_start before it marks the run active, so the host still reads idle while a wake prompt is prepared. A second wake in that window submitted another prompt; Agent.prompt() rejected it and its settlement cleared the active-run flag under the first run, and a nextTurn queue it had taken was lost. The first wake now reserves the turn synchronously; later idle messages are only queued as nextTurn and ride the pending prompt, which takes that queue and marks the run active in one synchronous step. The reservation ends on agent_start or session_start, and expires after WAKE_RESERVATION_MS because a failed extension prompt is only reported to the host's error channel.
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Confirming this still reproduces with Pi 0.99.2 + pi-claude-bridge 0.9.1, on gentle-shell A background
Typing any message afterwards worked. In 0.99.2, |
This branch has not been deployed
2 participants
Linked Issue
Closes #1528
(The issue does not carry
status:approvedyet. I'm happy to adjust scope if a maintainer prefers a different design.)PR Type
Summary
pi.sendMessage(..., { triggerTurn: true })starts the turn through_runAgentPromptwithoutbefore_agent_start(Custom messages sent viapi.sendMessage()withtriggerTurn: truebypass thebefore_agent_startevent earendil-works/pi#5581, still open; Pimainatb29db89still takes that path). The woken turn runs without the Gentle harness. claude-bridge refuses it (prompt-capture miss), and other providers silently run that turn without ODD.triggerTurnwake-ups ingentle-agentsnow go throughcreateIdleWakeSender:nextTurnand starts the turn withsendUserMessage(" "), so the normalprompt()path runsbefore_agent_startand injects the message. While a run is active, the originalsendMessagecall is unchanged.ctx.isIdle(), the same flagsendCustomMessageroutes by, and not counted fromagent_start/agent_end. The host emits that pair once per innerprompt()/continue(), so a counter reads 0 while the run continues. That strands the message innextTurn, becausesendUserMessage(" ")throws "Agent is already processing". I hit this with the counter variant I described in bug(prompt): background subagent completion turn fails on claude-bridge (prompt-capture miss; appended harness likely missing) #1528: a notice surfaced about 10 minutes late.ctxfalls back to the host path, never tonextTurn.prompt()awaits input handlers, auth, compaction andbefore_agent_startbefore it marks the run active, so the host still reads idle while a wake prompt is being prepared. The first wake reserves the turn synchronously, and later idle messages are only queued asnextTurn: the pending prompt drains that queue and marks the run active in one synchronous step, so it carries them. The reservation ends onagent_startorsession_start, and expires afterWAKE_RESERVATION_MS(60 s) because a failed extension prompt is only reported through the host's error channel. This was raised by CodeRabbit and fixed in the second commit.Changes
lib/idle-wake.tscreateIdleWakeSender(pi): tracks the latestctx, routes idle wake-ups throughnextTurn+sendUserMessage(" "), one wake prompt at a timeextensions/gentle-agents.tstriggerTurn: truecall sites use the sendertests/idle-wake.test.tsagent_end, live re-read, missing or stalectx, two wakes while the prompt is pending, reservation release onagent_start/session_start, reservation expirytests/gentle-agents.test.tsfakePirecordssendUserMessage; an idle parent's completion is delivered asnextTurnplus a" "promptTest Plan
node --experimental-strip-types --test tests/idle-wake.test.ts tests/gentle-agents.test.ts tests/agents-completion-delivery.test.tsgives 180/180.agent_start/agent_endcounter fails 4 of the original 5 unit tests, including the inner-agent_endcase.pnpm run typecheck: no regressions.pnpm run check:runtime-modules,node scripts/verify-package-files.mjs,pnpm run test:packed-package: pass.pnpm test: the same 62 environment-specific failures (WSL2:review-*,gentle-ai, Herdr,package-manifest) as untouchedmainat290c0dc1, with none added.Notes
" "). That is the cost of going throughprompt()until pi#5581 lands; the sender can be removed then.triggerTurnwake-up. It can be flushed onagent_settled, when the host is idle, so it should use the same sender. I'll rebase whichever of the two lands second.gentle-ai.tsis sent from anagent_endhandler while the run is still active, so it takes the host path either way.