- Fix isDir heuristic: use backend-provided isDirectory instead of
filename-based guessing (breaks for Makefile, .github, etc.)
- Add scroll-to-line on search result click via editorPendingGoToLine
- Add Cmd+Shift+W shortcut for toggling line wrap
- Rewrite Quick Open to fetch all project files from backend API
instead of flattening the loaded tree (limited to expanded dirs)
- Fix fd leak in atomicWrite: close file handle in finally block
- Add a11y: role=dialog/alert, aria-modal, aria-label on modals
- Add type=button on error state buttons
Resolve naming collision between editorSlice and tabSlice.
Both slices defined closeTab and setActiveTab, and since editorSlice
was spread last in the store composition, it silently overwrote the
tabSlice methods, breaking tab management.