fix(threads): preserve snooze when the current run completes

[yasinkavakli]

Problem

Snoozing a thread while its agent is responding only lasts until that run completes, even when the wake time is still hours away. An agent that snoozes its own thread before its final reply therefore brings the thread straight back into the active sidebar.

Related: #6368, which reported early wakes after active work completes.

Change

Wake on successful completion only when the run was requested after the snooze was set. Apply that condition consistently to the shared client snooze classification, the Woke indicator, server auto-settlement eligibility, and agent-visible snooze state. Successful completion of an already-requested run preserves the snooze deadline. Existing wakes for newer runs, failures, approvals, user input, and timer expiry remain supported. Update the existing MCP guidance to describe the same completion rule.

Scope and approval

This is a small, focused correction to existing timed snooze behavior, submitted under the obvious-bug exception in CONTRIBUTING.md. The client and server changes address the same completion edge case.

Earlier PR #7179 was closed during the orchestration V2 rewrite, with a maintainer invitation to revisit it against V2. This fresh V2 fix targets completion of work already requested when snoozing.

Verification

• vp test run packages/client-runtime/src/state/threadSnoozed.test.ts: 37 tests passed, covering current-run completion, request-time boundaries, later runs, timer wake, failures, and pending user interaction.
• vp test run apps/server/src/orchestration-v2/ThreadSettlementService.test.ts: 34 tests passed, including protection from auto-settlement and consistent agent-visible snooze state after already-requested work completes.
• Scoped typechecks passed for @t3tools/client-runtime and t3; targeted lint and formatting checks passed for the changed TypeScript files. The final branch is based on official main at 73e097b8.
• Reproduced in Chrome on October 7 with isolated, neutral test data and a real GPT-6.1 Sol agent calling the thread snooze tool before its final reply. Before (b77108bc), completion returned the thread to Active before its snooze deadline. After (279fa62), the completed thread stayed Snoozed with its future deadline preserved. These captures precede the final integration onto newer main; the client completion predicate is unchanged, and the final server integration passed the focused tests above.
• The screenshots show the completed thread in each state. The short recording uses sampled browser screenshots with their real capture timestamps, encoded at 10 fps; no application behavior was changed for the recording.
• Mobile was not manually checked. Web and desktop use the same web client; mobile uses the shared client-runtime snooze logic covered by the focused tests.

Before

Completion returned the thread to Active before its snooze deadline.

After

The completed thread remains Snoozed with its future deadline preserved.

Before recording

The agent snoozes its own thread, then completion returns it to Active before the deadline.

before-snooze-completion.mp4

Implemented and reviewed by GPT-6.1 Sol agents through the Codex harness.

[macroscopeapp]

Approvability

Verdict: Approved at 65a6ec0

Macroscope's review found this PR approvable — This is a narrowly scoped snooze bug fix that aligns server and client behavior so completion of a run requested before snoozing no longer wakes or auto-settles the thread. The added boundary-focused tests cover the changed behavior, with no product-default, schema, infrastructure, or static-analysis configuration changes.

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[coderabbitai]

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📒 Files selected for processing (2)

• apps/server/src/orchestration-v2/ThreadSettlementService.test.ts
• apps/server/src/orchestration-v2/ThreadSettlementService.ts

🚧 Files skipped from review as they are similar to previous changes (2)

• apps/server/src/orchestration-v2/ThreadSettlementService.test.ts
• apps/server/src/orchestration-v2/ThreadSettlementService.ts

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📝 Walkthrough

Walkthrough

Snooze wake detection now requires a run to be requested after the snooze and completed after it. Server settlement and client wake-time reporting apply this rule. Tests cover request-time boundaries and other wake conditions.

Changes

Snooze wake detection

Layer / File(s)	Summary
Server settlement wake rule apps/server/src/orchestration-v2/ThreadSettlementService.ts, apps/server/src/orchestration-v2/ThreadSettlementService.test.ts, docs/orchestration-v2/orchestrator-mcp-server.md	Server settlement requires both the run request and completion to occur after the snooze. Tests cover runs requested before, at, or without a request timestamp, and interrupted or cancelled runs. Documentation reflects the updated wake condition.
Client wake state packages/client-runtime/src/state/threadSettled.ts, packages/client-runtime/src/state/threadSnoozed.test.ts	Client completion wake detection and wake-time reporting use the same request and completion time conditions. Tests cover snooze boundaries and timer, failure, approval, and input wake times.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~15 minutes

Change: Bug fix

Merge Risk: ⚪ Minimal · up to 51544

The reviewed snooze behavior is ready to merge after normal checks; no unresolved issue was identified.

Security Architecture Review

Security architecture risk: 🔵 Low · up to 65a6e

The change narrowly adjusts when completed work wakes a snoozed thread. Approval, user-input, and failure handling remain protected. No expanded access or execution authority was identified, but concurrent transitions and mixed-version behavior were not fully verified.

Retained concerns
No architecture-level concerns identified.

Security review details

Security Blast Radius

• inferred — The inspected change affects existing per-thread visibility and settlement decisions, surfaced through client state and project-targeted MCP lists. Its new condition narrows completion-based eligibility; it does not add a new caller, credential source, or privileged operation in the compared production blocks.

Trust Boundaries and Controls

• observed — Existing server preconditions reject snoozing with a pending approval, pending user-input request, queued run, or non-future deadline. Automatic settlement separately excludes pending interaction, live or completion-holding background work, queued starts, pinned threads, and explicit settlement controls. The added timestamp condition does not weaken these checks.

Resilience and Maintainability Implications

• observed — Automatic settlement carries the evaluated thread update timestamp into dispatch. Dispatch rereads the thread and rejects a newer update or an explicit settlement override before invoking the ordinary settlement mutation. This provides a stale-decision control, but does not by itself prove every concurrent event interleaving.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly identifies the primary change: preserving thread snooze state when the current run completes.
Description check	✅ Passed	The description includes all required sections. It explains the problem, the cross-component change, the scope and approval basis, focused verification, limitations, and UI evidence.

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[coderabbitai]

Actionable comments posted: 1

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• 🪄 Fix CodeRabbit comments on this PR

🤖 Prompt to fix review comments

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Inline comments:
Review comments at @apps/server/src/orchestration-v2/ThreadSettlementService.ts:
- Line 163: Update the wokeOnCompletion condition in ThreadSettlementService to
require thread.status to be "completed" before treating a run as a wake. Keep
the existing snooze timestamp checks and auto-settlement behavior otherwise
unchanged.

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📥 Commits

Reviewing files that changed from the base of the PR and between 30cc788 and 65a6ec0.

📒 Files selected for processing (5)

• apps/server/src/orchestration-v2/ThreadSettlementService.test.ts
• apps/server/src/orchestration-v2/ThreadSettlementService.ts
• docs/orchestration-v2/orchestrator-mcp-server.md
• packages/client-runtime/src/state/threadSettled.ts
• packages/client-runtime/src/state/threadSnoozed.test.ts

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