feat: theme chrome by palette, selectable text, wap fallback, and library pages

app/lib/presentation/reader/mews_page_view.dart

@@ -76,7 +76,9 @@ class _MewsPageViewState extends State<MewsPageView> {
       textDirection: widget.page.direction == TextDirection.rtl
           ? ui.TextDirection.rtl
           : ui.TextDirection.ltr,
-      child: ColoredBox(
+      // Page text is the reader's to copy; forms manage their own selection.
+      child: SelectionArea(
+        child: ColoredBox(
         color: palette.background,
         child: ListView(
           controller: widget.scrollController,
@@ -94,6 +96,7 @@ class _MewsPageViewState extends State<MewsPageView> {
             ),
           ],
         ),
+        ),
       ),
     );
   }