refactor: use getIsComposing from meowdown

[ocavue]

Remove the local isKeyboardEventComposing helper and use getIsComposing from @meowdown/core instead.

Summary by CodeRabbit

• Bug Fixes
  • Improved keyboard input handling for text composition, including IME input, across desktop and mobile.
  • Prevented Enter, Escape, navigation, selection, and app shortcuts from triggering prematurely while text is still being composed.
  • Standardized composition detection across chat, search, settings, task, graph, and onboarding interactions.

[coderabbitai]

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ℹ️ Recent review info

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Run ID: ab31fab5-ea22-410e-934a-dd9b06ce58b1

📥 Commits

Reviewing files that changed from the base of the PR and between 4aa6c0b and bc8d8fa.

📒 Files selected for processing (19)

• apps/desktop/src/components/chat/chat-input.tsx
• apps/desktop/src/components/command-palette/command-palette.tsx
• apps/desktop/src/components/context-sidebar/attendee-combobox.tsx
• apps/desktop/src/components/graph-chooser.tsx
• apps/desktop/src/components/note-find-bar.tsx
• apps/desktop/src/components/settings/destructive-section.tsx
• apps/desktop/src/components/settings/model-combobox.tsx
• apps/desktop/src/components/tasks/task-row.tsx
• apps/desktop/src/hooks/use-sidebar-resize.ts
• apps/desktop/src/lib/keyboard.test.tsx
• apps/desktop/src/lib/keyboard.ts
• apps/desktop/src/lib/tasks/use-task-keyboard.ts
• apps/desktop/src/mobile/connect-github-drawer.tsx
• apps/desktop/src/mobile/new-graph-drawer.tsx
• apps/desktop/src/mobile/onboarding-icloud-section.tsx
• apps/desktop/src/mobile/search-input.tsx
• apps/desktop/src/mobile/task-row.tsx
• apps/desktop/src/providers/note-find-provider.tsx
• apps/desktop/src/routing/app-shortcuts.ts

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Walkthrough

The PR removes the local IME composition workaround and replaces its usage across desktop, mobile, search, task, and shortcut keyboard handlers with getIsComposing() from @meowdown/core.

Changes

IME composition detection migration

Layer / File(s)	Summary
Remove local composition workaround apps/desktop/src/lib/keyboard.ts, apps/desktop/src/lib/keyboard.test.tsx	Removes the local composition helper, its compositionend listener, timing logic, and associated tests.
Migrate desktop handlers apps/desktop/src/components/..., apps/desktop/src/hooks/use-sidebar-resize.ts, apps/desktop/src/lib/tasks/use-task-keyboard.ts	Updates desktop keyboard handlers to use getIsComposing() while preserving existing Enter, Escape, selection, and resizing behavior.
Migrate mobile and global handlers apps/desktop/src/mobile/..., apps/desktop/src/providers/note-find-provider.tsx, apps/desktop/src/routing/app-shortcuts.ts	Updates mobile inputs, find-provider handlers, and application shortcuts to use the centralized composition predicate.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• team-reflect/reflect-open#959: Modifies chat input IME guards and tests Enter handling during composition.
• team-reflect/reflect-open#911: Introduces related Find UI and keyboard handling.
• team-reflect/reflect-open#214: Adds task keyboard interactions touched by the updated composition guards.

Suggested labels: codex

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