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陈大猫andClaude Opus 5.5
1b9c744fda
Several everyday interactions re-rendered the entire shell (AppView, TopTabs,
TerminalLayer and every pane) even though nothing they show had changed:
- Clicking or focusing a split pane always replaced the workspaces array
(twice per click: onClick + onFocusCapture), cascading through the whole
app and re-saving the session restore snapshot. setWorkspaceFocusedSession
and moveFocusInWorkspace now keep the same array when focus is unchanged
(domain/workspace.ts setWorkspaceFocusedSessionId).
- Every window focus/visibility change resynced app lock and produced a new
runtime state object even when nothing changed, re-rendering the provider
tree. Equal states keep the current object and useAppLockState's result is
memoized.
- Quick switcher keystrokes went through AppSideEffects state and the
app-local UI store, re-rendering AppSideEffects, every host island, AppShell,
AppView and TopTabs per character. QuickSwitcherOverlay now owns the query
and host results; the overlay unmounts on close, which resets the query
exactly where setQuickSearch('') used to.
- Pressing/releasing Ctrl/Cmd (every ⌘C/⌘V/Ctrl+C) re-rendered the whole tab
bar to toggle shortcut number badges. The held flag now lives in a small
store read only by each tab's TabIconSlot.
- AppView passed fresh inline callbacks that defeated TopTabs' memo comparator
and every open editor tab; TextEditorTabView is now memoized. TopTabs
memoizes per-workspace session lists and hoists the root tab icons.
- Workspace drag previews only update state when the drop hint actually moves.
React commits / render time for 10 repetitions in the real app (profiling
build, 2 split panes, 300 hosts), main -> this change:
window focus 42 / 17.1 ms -> 2 / 0.4 ms
press/release Cmd 50 / 41.9 ms -> 22 / 6.6 ms
click focused pane 42 / 69.6 ms -> 3 / 0.4 ms
quick switcher typing 41 / 61.3 ms -> 16 / 34.8 ms
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>