- Add LRU eviction to diffCache (max 30 entries / 20MB)
- Single-file mode: render only selected diff, not all hidden ones
- Stacked mode: collapse files beyond first 10 by default
- Limit DiffWorkerProvider warmup to 10 files
- Reduce worker pool size (4 to 2) and AST cache (200 to 50)
Add a centralized useEffectiveDirectory hook to resolve the active directory
Use the hook across DiffView, FilesView, GitView, and TerminalView
Fix list styling by rendering ul/ol bullets outside
Replace nested ScrollableOverlay with simple div in inline diff to fix vertical scroll blocking in Chrome. Add explicit h-full to stacked view flex container and disableHorizontal to main ScrollableOverlay for proper scroll behavior.