fix: PDF finger ink, chrome UX, OneNote pens, and pen physics

Wire finger drawing on PDF without breaking pinch; auto-hide page scrubber and fix bounce; share sticky tools with resize and per-page remember; side-button select; separate pen slots with colors; rnote pressure shapes plus tip-velocity width and lower stroke latency.

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/screens/notebook_screen.dart

@@ -218,11 +218,20 @@ class _MemberTile extends StatelessWidget {
         maxLines: 1,
         overflow: TextOverflow.ellipsis,
       ),
-      subtitle: Text(member.kind.name.toUpperCase()),
+      subtitle: Text(_kindLabel(member.kind)),
+      trailing: const Icon(Icons.chevron_right),
       onTap: onTap,
     );
   }
 
+  String _kindLabel(NotebookMemberKind kind) => switch (kind) {
+        NotebookMemberKind.note => '空白页 · 手写',
+        NotebookMemberKind.pdf => 'PDF · 批注',
+        NotebookMemberKind.pptx => 'PPTX · 幻灯片',
+        NotebookMemberKind.ppt => 'PPT · 幻灯片',
+        NotebookMemberKind.docx => 'DOCX · 文档',
+      };
+
   IconData _iconFor(NotebookMemberKind kind) => switch (kind) {
         NotebookMemberKind.note => Icons.edit_note,
         NotebookMemberKind.pdf => Icons.picture_as_pdf,