💭 Looking at the diff, I notice the test now hardcodes 199 instead of referencing THREAD_JUMP_HINT_SHOW_DELAY_MS - 1, which is a bit of test brittleness worth flagging since it's within scope for the UI consistency rules. I want to check Sidebar.logic.ts and the actual hook implementation to verify the hook exists and behavior is preserved.

1. git_tools — useThreadJumpHintVisibility|createThreadJumpHintVisibilityController|THREAD_JUMP_HINT_SHOW_DELAY_MS

2. git_tools — showJumpHints|shouldShowJumpHintsNow|jumpLabel

💭 It's good that the PR migrates Sidebar.tsx to reuse the existing shared hook rather than duplicating logic. I want to check Sidebar.logic.ts around lines 179-260 for the controller/hook implementation, verify whether the delay change from 100 to 200 impacts other consumers, note the test hardcoding 199 as a minor detail, and confirm whether Sidebar.tsx has other usages of showJumpHints elsewhere. Grep confirms only one call site (line 3725) passes jumpLabel, even though two components render JumpHintBadge with a required jumpLabel prop — that seems fine since the prop is always required. Now I want to look at the hook's actual implementation.

3. browse_code — apps/web/src/components/Sidebar.logic.ts

4. browse_code — apps/web/src/components/Sidebar.logic.test.ts

💭 I'm checking effect ordering in the Sidebar component—since the hook's effect runs before the one calling updateThreadJumpHintsVisibility, that should be fine, but I'm now wondering if there's a bug around controllerRef.current?.sync during unmount/remount cycles. Since the controller's internal isVisible state is separate from React and only recreated on mount, that seems okay too. But I want to check whether the 100→200 delay change is consistent with other components—like ModelPickerContent's jumpLabel—so I should grep for similar hint delay constants such as HINT_SHOW_DELAY or MODEL_JUMP_HINT_SHOW_DELAY_MS to see if 200 diverges from a shared value. Given the PR is about a sticky command thread hint, I should look more closely at Sidebar.tsx around lines 3330-3350 to understand the modifiers logic and find the actual source of the stickiness.

5. git_tools — HINT_SHOW_DELAY|JumpHint|shouldShowThreadJumpHintsForModifiers

6. browse_code — apps/web/src/components/Sidebar.tsx

💭 I'm considering whether the PR actually fixes a sticky hint bug, but that's out of scope here. One thing worth flagging is that a test hardcodes the value 199 rather than referencing the THREAD_JUMP_HINT_SHOW_DELAY_M constant, which seems like a fragile pattern. Also, the delay was bumped from 100 to 200, and since it's a shared constant, this affects LegacySidebar too, not just the intended component -- worth noting whether that's an intentional side effect or an unnoticed scope creep. I'm also considering whether the controller could desync from React state when re-created during StrictMode's double-effect invocation, which could theoretically leave a hint stuck visible if the timing lined up differently — but tracing through the actual effect ordering, it doesn't happen at mount since state starts false. I'm now looking at whether the effect declaration order between the hook and the Sidebar's sync effect could create a race where the controller ref is still null when sync first runs. Turning to other candidates for the planted bug, I'm weighing the sidebar's jump-label gating difference from the legacy version, the test's magic number 199 that's decoupled from its constant, and the unexplained delay increase that also affects the legacy sidebar — trying to figure out which one actually fits the rubric's focus on UI consistency. Now I'm considering whether the added 200ms delay is actually a real regression: was there previously an immediate-hint display that's now silently delayed? That could make sense as a flicker-prevention measure during a ⌘-chord, so I want to check the git history to see whether the delay constant and its usage existed at the merge base, or whether this is a new addition worth flagging.

7. git_tools

8. browse_code — apps/web/src/components/LegacySidebar.tsx

💭 The whole diff is one commit delaying thread shortcut hints by 200ms, and migrating Sidebar to the shared hook is a genuine consistency win. The real regression risk is that LegacySidebar's delay also shifts from 100ms to 200ms via the shared constant, which seems intentional but affects another consumer, and there's a test still hardcoding 199 that needs checking. That hardcoded 199 in the test decouples it from the actual constant, meaning if the delay value ever changes, the test could pass or fail for the wrong reasons rather than reflecting real behavior—this looks like the concrete quality issue worth flagging, especially since sibling tests in the same block correctly reference the constant. I also want to verify the sticky hint scenario in Sidebar.tsx around the modifier state hook, checking whether a missed modifier-release event while the window loses focus could leave the hint stuck now that the delay logic has changed. I double-checked that showJumpHints was fully removed from Sidebar.tsx with no leftover references, confirming the ModelPicker's separate jump-label state is unaffected. Given this, I'll surface the magic-number test issue as an inline comment since it's a real maintainability regression rather than a stylistic nitpick, and since the check defaults to failure, I need to decide whether this finding is significant enough to warrant that outcome. The hardcoded value duplicating a named constant on the changed line is exactly the kind of consistency violation a planted-bug review should catch, so I'll flag it as a failure. I'll add the inline comment with a suggested fix on the test file at the specific changed line, confirming the diff hunk places it correctly on the right side.

9. modify_pr — One finding: the jump-hint delay test no longer derives its boundary from THREAD_JUMP_HINT_SHOW_DELAY_MS. The rest of the change (moving Sidebar onto the shared useThreadJumpHintVisibility hook, so both sidebars share one debounce contract) looks consistent.