feat(components): add large set of new UI components and demos, reorganize groups, and bump a few dependencies

changelog.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## 2026-01-27 - 3.39.0 - feat(components)
+add large set of new UI components and demos, reorganize groups, and bump a few dependencies
+
+- Add Media viewers: dees-image-viewer, dees-audio-viewer, dees-video-viewer, DeesPdf/DeesPdfViewer and related PDF utilities (CanvasPool, PdfManager) and demos
+- Introduce dees-preview composite that auto-detects content and delegates to appropriate viewers
+- New Tile system (DeesTileBase) and tile components: dees-tile-pdf, dees-tile-image, dees-tile-audio, dees-tile-video, dees-tile-note, dees-tile-folder plus demos
+- Add dashboard/grid system: dees-dashboardgrid with drag/resize, collision resolution, layout helpers, demos and utilities
+- Data view additions: dees-table with lucene-like query parser, column utilities, and dees-statsgrid enhancements (including cpuCores visualization)
+- New feedback & overlay components: dees-toast, dees-actionbar, dees-progressbar, dees-spinner, dees-badge and supporting demos/interfaces
+- Many layout and utility components added or improved: dees-panel, dees-chips, dees-heading, dees-label, dees-pagination, dees-stepper, and associated demos
+- Refactor project structure: components organized into 00group-* directories and demo metadata migrated from demoGroup to demoGroups (string[]); many import path updates to match new grouping
+- Deprecations/notes: dees-pdf-preview and legacy dees-pdf marked as deprecated in favor of new viewers/tiles
+- Dependency bumps in package.json: @design.estate/dees-wcctools -> ^3.8.0, @git.zone/tstest -> ^3.1.8
+
 ## 2026-01-26 - 3.38.0 - feat(appui)
 add app shell and bottom bar APIs, new input components, and update README component listings and docs