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…trl+Tab thread.previous and thread.next walk the sidebar in display order, so flipping between two threads that sit far apart takes several presses and "previous" rarely means the thread you were just in. thread.cycleRecent keeps a session-only most-recently-used list of visited threads. One press jumps to the last viewed thread; holding the modifier and pressing again steps further back through the list, and releasing it commits, the way browsers cycle tabs. Bound to ctrl+tab by default. The list drops threads that leave the sidebar and is never persisted. Written by Claude Fable 5.1 in Claude Code via T3 Code. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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| ? selectThreadTerminalUiState(state.terminalUiStateByThreadKey, routeThreadRef).terminalOpen | ||
| : false, | ||
| ); | ||
| const cycleRecentThread = useRecentThreadCycling(routeThreadKey); |
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🟡 Medium components/Sidebar.tsx:4220
thread.cycleRecent loses previously visited threads whenever Sidebar unmounts, so visiting Settings and returning resets recency and prevents cycling back to the earlier thread. Because useRecentThreadCycling stores history in a ref owned by Sidebar, keep that session-scoped history above the sidebar route boundary (for example, in a store).
Also found in 1 other location(s)
apps/web/src/hooks/useRecentThreadCycling.ts:18
The recency state is held in a
useRefowned by the sidebar component, so it is discarded whenever that component unmounts.AppSidebarLayoutswaps bothSidebarvariants out forSettingsSidebarNavon settings routes; after visiting threads, opening Settings, and returning, the hook has only the current thread recorded andthread.cycleRecentcannot return to the previously viewed thread. Keep this session-scoped history above the sidebar route boundary (for example in a store) so normal in-app navigation does not erase it.
🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/components/Sidebar.tsx around line 4220:
`thread.cycleRecent` loses previously visited threads whenever `Sidebar` unmounts, so visiting Settings and returning resets recency and prevents cycling back to the earlier thread. Because `useRecentThreadCycling` stores history in a ref owned by `Sidebar`, keep that session-scoped history above the sidebar route boundary (for example, in a store).
Also found in 1 other location(s):
- apps/web/src/hooks/useRecentThreadCycling.ts:18 -- The recency state is held in a `useRef` owned by the sidebar component, so it is discarded whenever that component unmounts. `AppSidebarLayout` swaps both `Sidebar` variants out for `SettingsSidebarNav` on settings routes; after visiting threads, opening Settings, and returning, the hook has only the current thread recorded and `thread.cycleRecent` cannot return to the previously viewed thread. Keep this session-scoped history above the sidebar route boundary (for example in a store) so normal in-app navigation does not erase it.
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Agreed, the sidebar unmounts on settings routes. Recency state is now module scoped in useRecentThreadCycling so Settings then back keeps the list. Fixed in cb003a7.
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| currentThreadId: routeThreadKey, | ||
| direction: traversalDirection, | ||
| }) | ||
| : cycleRecentThread((threadKey) => sidebarThreadByKey.has(threadKey)); |
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🟡 Medium components/LegacySidebar.tsx:3597
thread.cycleRecent can navigate to archived threads, which are not rendered in the legacy sidebar. The eligibility predicate only checks sidebarThreadByKey, a map containing archived entries; restrict it to threads whose archivedAt is null.
🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/components/LegacySidebar.tsx around line 3597:
`thread.cycleRecent` can navigate to archived threads, which are not rendered in the legacy sidebar. The eligibility predicate only checks `sidebarThreadByKey`, a map containing archived entries; restrict it to threads whose `archivedAt` is `null`.
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Agreed, sidebarThreadByKey includes archived threads. Cycle targets are now restricted to orderedSidebarThreadKeys, the rendered rows. Fixed in cb003a7.
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| const stateRef = useRef(EMPTY_THREAD_RECENCY_STATE); | ||
| const routeThreadKeyRef = useRef(routeThreadKey); | ||
|
|
||
| useEffect(() => { | ||
| routeThreadKeyRef.current = routeThreadKey; | ||
| stateRef.current = recordThreadVisit(stateRef.current, routeThreadKey); | ||
| }, [routeThreadKey]); | ||
|
|
||
| useEffect(() => { | ||
| const endWalk = () => { | ||
| stateRef.current = endThreadRecencyWalk(stateRef.current, routeThreadKeyRef.current); | ||
| }; | ||
| const onKeyUp = (event: KeyboardEvent) => { | ||
| if (isModifierKeyName(event.key)) endWalk(); | ||
| }; | ||
| window.addEventListener("keyup", onKeyUp, true); | ||
| window.addEventListener("blur", endWalk); | ||
| return () => { | ||
| window.removeEventListener("keyup", onKeyUp, true); | ||
| window.removeEventListener("blur", endWalk); | ||
| }; | ||
| }, []); | ||
|
|
||
| return useCallback((isKnownThread: (threadKey: string) => boolean): string | null => { | ||
| const result = cycleRecentThread(stateRef.current, { | ||
| currentThreadKey: routeThreadKeyRef.current, | ||
| isKnownThread, | ||
| }); | ||
| stateRef.current = result.state; | ||
| return result.target; | ||
| }, []); |
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🟡 Medium hooks/useRecentThreadCycling.ts:18
Releasing Ctrl after the last cycleRecentThread keypress commits the intermediate route, so the final selected thread is recorded with the wrong MRU order (for example, a,b,c instead of a,c,b). Because routeThreadKeyRef is updated only by the asynchronous route effect, endWalk should commit the latest cycle result target rather than the route ref.
- const stateRef = useRef(EMPTY_THREAD_RECENCY_STATE);
- const routeThreadKeyRef = useRef(routeThreadKey);
+ const stateRef = useRef(EMPTY_THREAD_RECENCY_STATE);
+ const routeThreadKeyRef = useRef(routeThreadKey);
+ const cycleTargetRef = useRef(routeThreadKey);
useEffect(() => {
routeThreadKeyRef.current = routeThreadKey;
+ cycleTargetRef.current = routeThreadKey;
stateRef.current = recordThreadVisit(stateRef.current, routeThreadKey);
}, [routeThreadKey]);
@@
- stateRef.current = endThreadRecencyWalk(stateRef.current, routeThreadKeyRef.current);
+ stateRef.current = endThreadRecencyWalk(stateRef.current, cycleTargetRef.current);
@@
});
stateRef.current = result.state;
+ cycleTargetRef.current = result.target;
return result.target;🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/hooks/useRecentThreadCycling.ts around lines 18-48:
Releasing Ctrl after the last `cycleRecentThread` keypress commits the intermediate route, so the final selected thread is recorded with the wrong MRU order (for example, `a,b,c` instead of `a,c,b`). Because `routeThreadKeyRef` is updated only by the asynchronous route effect, `endWalk` should commit the latest cycle result target rather than the route ref.
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Agreed, the route ref lags the last press. The walk now records the landed thread by key and endThreadRecencyWalk promotes that key rather than the route. Fixed in cb003a7 with a test for the a,c,b case.
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| if (history.length < 2) { | ||
| return { state: { history, walkIndex: null }, target: null }; | ||
| } | ||
| const fromIndex = walking ? Math.min(state.walkIndex ?? 0, history.length - 1) : 0; |
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🟡 Medium src/threadRecency.ts:54
The next cycle skips a remaining thread when an earlier history entry is removed during the walk. walkIndex refers to the pre-filtered array, so after [a,b,c,d] becomes [b,c,d], the stored index 1 makes the next press target d instead of advancing from landed thread b to c; derive the position from currentThreadKey after filtering.
- const fromIndex = walking ? Math.min(state.walkIndex ?? 0, history.length - 1) : 0;
+ const fromIndex = walking ? (currentThreadKey === null ? 0 : Math.max(history.indexOf(currentThreadKey), 0)) : 0;🤖 Copy this AI Prompt to have your agent fix this:
In file @apps/web/src/threadRecency.ts around line 54:
The next cycle skips a remaining thread when an earlier history entry is removed during the walk. `walkIndex` refers to the pre-filtered array, so after `[a,b,c,d]` becomes `[b,c,d]`, the stored index `1` makes the next press target `d` instead of advancing from landed thread `b` to `c`; derive the position from `currentThreadKey` after filtering.
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Agreed. The walk position is now the landed thread's key, looked up after filtering, so a thread vanishing mid-walk cannot shift it. Fixed in cb003a7 with a test.
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ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — This PR adds a new stateful Ctrl+Tab MRU thread-navigation capability across both web sidebars and changes the product's default keybindings. Human review is warranted because the default change is product-visible and unresolved medium-severity findings identify lifecycle, archived-thread, and MRU-walk correctness risks. Not approved because:
Adjust the Minimum Blocking Severity for this repo — including turning it Off — in Settings. You can add or adjust custom eligibility rules. Learn more. |
…thread by key Review findings on pingdotgg#11072: - The recency list lived in a ref owned by the thread sidebar, which unmounts on settings routes, so Settings then back forgot every visit. It is now module scoped for the session. - Ending a walk committed the routed thread, which lags a step behind the last press, so the final order came out wrong. The walk now remembers the landed thread by key and promotes that. - Tracking the walk by index meant a thread vanishing mid-walk shifted the position by one. Keying on the landed thread makes the filter harmless. - The legacy sidebar's thread map still holds archived threads; cycle targets are now limited to rendered rows. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: Path: .coderabbit.yaml Review profile: CHILL Plan: Advanced Run ID: 📒 Files selected for processing (4)
🚧 Files skipped from review as they are similar to previous changes (3)
Included review availability: Your plan provides up to 10 included reviews per hour; 8 remain after this review. 📝 WalkthroughWalkthroughAdds the ChangesRecent thread cycling
Estimated code review effort: 3 (Moderate) | ~25 minutes Sequence Diagram(s)sequenceDiagram
participant Window
participant Sidebar
participant useRecentThreadCycling
participant threadRecency
participant ThreadRoute
Window->>Sidebar: keydown thread.cycleRecent
Sidebar->>useRecentThreadCycling: cycleRecentThread(isKnownThread)
useRecentThreadCycling->>threadRecency: cycleRecentThread(...)
threadRecency-->>useRecentThreadCycling: target thread key
useRecentThreadCycling-->>Sidebar: target thread key
Sidebar->>ThreadRoute: navigateToThreadKey(target)
Merge Risk: ⚪ Minimal · up to This adds session-only recent-thread navigation without changing existing thread navigation behavior. Validation is passing and no actionable merge-blocking risk remains. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@apps/web/src/components/LegacySidebar.tsx`:
- Line 3597: Update the recent-thread predicate in the LegacySidebar cycling
logic to accept a thread key only when its entry exists in sidebarThreadByKey
and its archivedAt value is null. Keep archived threads excluded from navigation
while preserving cycling for active rendered threads.
In `@apps/web/src/threadRecency.ts`:
- Line 54: Update the walking logic around fromIndex and state.walkIndex to
resolve the previously walked thread key against the filtered history before
advancing, rather than reusing the stale index from state.history. Preserve
normal non-walking behavior and add a regression test covering removal of an
earlier thread during an active held-key walk.
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📒 Files selected for processing (10)
apps/web/src/components/LegacySidebar.tsxapps/web/src/components/Sidebar.tsxapps/web/src/hooks/useRecentThreadCycling.tsapps/web/src/keybindings.test.tsapps/web/src/threadRecency.test.tsapps/web/src/threadRecency.tsdocs/user/keybindings.mdpackages/contracts/src/keybindings.test.tspackages/contracts/src/keybindings.tspackages/shared/src/keybindings.ts
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Note This comment is posted by Julius' dot The 268 focused tests cover the recency logic, but there is no recording of the new interaction: hold Ctrl, press Tab repeatedly, then release Ctrl to commit the selected thread. The description offers to record later and treats navigation as having no UI change. The verification requirement requires a recording when timing and interaction demonstrate the behavior. Please attach a short desktop recording showing both a tap and a held sequence, report the observed result, and request reconsideration. |
2 participants
What Changed
Adds one keybinding command,
thread.cycleRecent, bound toctrl+tabby default.thread.previousandthread.nextare untouched and still walk the sidebar in display order.Files: the pure ordering logic lives in
apps/web/src/threadRecency.tswith unit tests. A small hook records the routed thread and listens for modifier keyup. BothSidebar.tsxandLegacySidebar.tsxdispatch the command next to the existing traversal, so v1 and v2 sidebars behave the same. Contracts, shared defaults, and the keybindings user doc gain one line each.Why
thread.previouswalks the sidebar list, so "previous" is rarely the thread you were just in. When two threads sit far apart it takes several presses to flip between them. #6966 (Ctrl+Tab for traversal) explicitly deferred most-recently-used order as a follow-up, and discussion #9751 asks for that follow-up. This is the smallest version of it: no overlay, no persistence, no new settings.Web browsers reserve
ctrl+tab, so the default only fires in the desktop app and the doc says to rebind on the web app. That matches how #6966 scoped the original request.UI Changes
None. No new visible surface; navigation only.
Verification
vp test runon the touched web, contracts, and server keybinding tests (268 passing),tsc --noEmitclean for web, contracts, and shared. Lint on the new files is clean; the pre-existing ref warnings inSidebar.tsxare unchanged.Checklist
Written by Claude Fable 5.1 in Claude Code via T3 Code.
🤖 Generated with Claude Code
Summary by CodeRabbit
New Features
Documentation
Tests