feat: add OverlayScrollbars for improved scrolling UI

Replace native ScrollArea with OverlayScrollbars library in
AbstractCard raw view and main page layout. Provides consistent,
customizable scrollbars with auto-hide behavior across the
application.

pnpm-lock.yaml

@@ -44,6 +44,12 @@ importers:
       next-themes:
         specifier: ^0.4.6
         version: 0.4.6(react-dom@19.2.0(react@19.2.0))(react@19.2.0)
+      overlayscrollbars:
+        specifier: ^2.12.0
+        version: 2.12.0
+      overlayscrollbars-react:
+        specifier: ^0.5.6
+        version: 0.5.6(overlayscrollbars@2.12.0)(react@19.2.0)
       react:
         specifier: 19.2.0
         version: 19.2.0
@@ -3328,6 +3334,15 @@ packages:
     resolution: {integrity: sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==}
     engines: {node: '>= 0.8.0'}
 
+  overlayscrollbars-react@0.5.6:
+    resolution: {integrity: sha512-E5To04bL5brn9GVCZ36SnfGanxa2I2MDkWoa4Cjo5wol7l+diAgi4DBc983V7l2nOk/OLJ6Feg4kySspQEGDBw==}
+    peerDependencies:
+      overlayscrollbars: ^2.0.0
+      react: '>=16.8.0'
+
+  overlayscrollbars@2.12.0:
+    resolution: {integrity: sha512-mWJ5MOkcZ/ljHwfLw8+bN0V9ziGCoNoqULcp994j5DTGNQvnkWKWkA7rnO29Kyew5AoHxUnJ4Ndqfcl0HSQjXg==}
+
   own-keys@1.0.1:
     resolution: {integrity: sha512-qFOyK5PjiWZd+QQIh+1jhdb9LpxTF0qs7Pm8o5QHYZ0M3vKqSqzsZaEB6oWlxZ+q2sJBMI/Ktgd2N5ZwQoRHfg==}
     engines: {node: '>= 0.4'}
@@ -7363,6 +7378,13 @@ snapshots:
       type-check: 0.4.0
       word-wrap: 1.2.5
 
+  overlayscrollbars-react@0.5.6(overlayscrollbars@2.12.0)(react@19.2.0):
+    dependencies:
+      overlayscrollbars: 2.12.0
+      react: 19.2.0
+
+  overlayscrollbars@2.12.0: {}
+
   own-keys@1.0.1:
     dependencies:
       get-intrinsic: 1.3.0