Changelog

Unreleased

Bounded concurrent scanner with incremental aggregation, cancellation, hard-link and symlink-loop handling, error accounting.
Non-interactive reports: --top, --largest-files, --json, --csv, --duplicates, --no-ui.
Versioned, checksummed snapshot format; --compare.
Interactive TUI (Bubble Tea v2): live squarified treemap with nested previews and level-of-detail grouping, spatial arrow navigation, zoom, breadcrumbs, responsive layouts, info/help/confirm/save modals, mouse.
Views: directory list, file types, top lists, scan info & errors, duplicates, snapshot changes.
Search/filter language with live treemap filtering.
Themes (default, dark, high-contrast, mono), --color override, perceptual 256-colour quantizer, NO_COLOR support.
Move to trash (freedesktop / macOS / Windows), --read-only.
treegen synthetic tree generator; benchmarks in PERFORMANCE.md.