Clear stale Cloud agent tab titles after exit - #16484
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 1 remain after this review. 📝 WalkthroughWalkthroughWhen an agent is absent, reconciliation checks whether its nonempty automatic tab name can be cleared. It preserves user-sourced titles. If the remote clear is rejected, reconciliation restores the accepted name locally. ChangesStale automatic title cleanup
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix · Severity of issue fixed: Medium Suggested reviewers: Merge Risk: ⚪ Minimal · up to The change clears stale automatic Cloud tab titles while preserving intentional user names. No concrete merge-blocking risk remains; normal validation should complete before merging. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to The change is narrowly scoped to tab titles and preserves existing machine and tab identity controls. However, an automatic clear can overwrite a newly user-owned title when ownership changes without changing its text. Recovery after remote state becomes unavailable is also incompletely demonstrated. Retained concerns
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Full details: Linked Issues checkExplanation Issue [ Resolution Implement or verify the required authoritative cleanup for spinner and agent-status decorations. Add focused automated tests for close, detach, reassignment, reconnect/restore, sidebar-versus-tab ordering, user-renamed tabs, and current agent start/idle/complete transitions. Full details: Cmux Algorithmic ComplexityExplanation The PR adds a nested full-collection scan in Resolution Build a one-pass index of projections by resource and remote tab ID before the reconciliation loop, or pass pre-grouped matching projections into Full details: Cmux Swift Package BoundariesExplanation The PR adds independently testable Cloud title-reconciliation policy to the app target. Resolution Extract the pure stale-title state transition into the existing Full details: Cmux Architecture RethinkExplanation The diff adds a second mutable rename-lifecycle channel. Resolution Move rejected-clear outcome and its
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- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at
@Sources/Surfaces/CloudWorkspaceRenameService+Reconciliation.swift:
- Around line 175-180: Update the clear-failure compensation in the
reconciliation callback that calls workspace.setPanelCustomTitle so it uses the
current accepted tab name from catalog.cloudStates for the resource machine and
tab ID, rather than the captured name; preserve the existing nil checks and
compensation flow.
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Sources/Surfaces/CloudWorkspaceRenameService+Reconciliation.swiftcmuxTests/CloudSidebarRenameFixture.swiftcmuxTests/CloudSidebarRenameReconciliationTests.swift
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- 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @Sources/Surfaces/Workspace+CloudPaneRouting.swift:
- Line 44: Update rejectedAutomaticTabClears in CloudWorkspaceRenameService to
store each rejected clear’s accepted graph cursor alongside its accepted name,
and retry when the cursor changes while suppressing repeats for an unchanged
cursor and agent state. Add a regression test that verifies both behaviors when
a newer accepted graph retains the same agentless automatic name.
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Fixes #16365.
Cloud terminal tabs can retain an automatic agent-generated title after the agent exits because the daemon tab name is durable metadata. Reconciliation now detects an accepted terminal with no agent, clears only automatic names through the remote rename lane, and immediately clears the local projection. Explicit user titles remain untouched.
The clear uses the observed name as an optimistic precondition and restores the accepted title if the remote write is rejected. Regression coverage exercises both the successful clear and rejected-write rollback.
Validation:
python3 scripts/verify-local.py --affected mf/maingit diff --checkNeed help on this PR? Tag
@codesmith-botwith what you need. Autofix is disabled.Summary by cubic
Fixes #16365 by clearing stale automatic agent-generated tab titles when the agent exits.
Cloud terminal tabs kept the agent-generated name after the agent ended because daemon tab names are durable metadata. Reconciliation now detects an accepted terminal without an agent, clears only automatic names through the remote rename lane, and immediately clears the local projection. Explicit user titles, and legacy titles without provenance, are untouched.
Written for commit f2f4e92. Summary will update on new commits.
Summary by CodeRabbit
Testing
python3 scripts/verify-local.py --affected mf/maingit diff --checkChangelog
Cloud agent-generated tab titles now clear after the agent exits, while explicit user titles and shared user-owned projections are preserved.
Demo Video
Not included. The behavior is covered by deterministic reconciliation tests, including shared projections, legacy title provenance, remote-name races, and rejected-clear deduplication.
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