bump phosphor icon font to size 1.0, fix welcome tests

Phosphor glyph fontSize set to 1.0 in unit space so glyphs fill
the full icon size (16px in the rail). Welcome tests updated to
match the redesigned view.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/lib/widgets/src/clide_icon_rail.dart

@@ -106,7 +106,7 @@ class _RailButton extends StatelessWidget {
                   ),
                 ),
               ),
-              child: ClideIcon(item.icon, size: 14, color: color),
+              child: ClideIcon(item.icon, size: 16, color: color),
             ),
           ),
         ),

app/lib/widgets/src/icons/phosphor.dart

@@ -11,7 +11,7 @@ class PhosphorIconPainter extends ClideIconPainter {
   @override
   void paint(ui.Canvas canvas, ui.Color color) {
     final builder = ui.ParagraphBuilder(
-      ui.ParagraphStyle(fontFamily: family, fontSize: 0.75, height: 1.0, textAlign: ui.TextAlign.center),
+      ui.ParagraphStyle(fontFamily: family, fontSize: 1.0, height: 1.0, textAlign: ui.TextAlign.center),
     )
       ..pushStyle(ui.TextStyle(color: color, fontFamily: family))
       ..addText(String.fromCharCode(codePoint));

app/test/builtin/welcome/widget_test.dart

@@ -43,37 +43,11 @@ void main() {
       expect(tabs.first.i18nNamespace, ext.id);
     });
 
-    testWidgets('WelcomeView renders title + subtitle + Open-project button',
-        (tester) async {
+    testWidgets('WelcomeView renders title + subtitle + start actions', (tester) async {
       await tester.pumpWidget(harness(f, const WelcomeView()));
       expect(find.text('clide'), findsOneWidget);
-      expect(
-        find.text('Flutter desktop IDE for Claude Code'),
-        findsOneWidget,
-      );
-      expect(find.text('Open project'), findsOneWidget);
-    });
-
-    testWidgets('Open-project action renders as tappable row',
-        (tester) async {
-      await tester.pumpWidget(harness(f, const WelcomeView()));
-      expect(find.text('Open project'), findsOneWidget);
-    });
-
-    testWidgets('locale switch refreshes the visible text', (tester) async {
-      await tester.pumpWidget(harness(f, const WelcomeView()));
-      f.services.i18n
-          .registerCatalog('builtin.welcome', const Locale('nl'), const {
-        'title': {'translation': 'clide-nl'},
-        'subtitle': {'translation': 'Flutter IDE voor Claude Code'},
-        'open-project': {'translation': 'Project openen'},
-        'open-project.hint': {'translation': 'Kies een git repo'},
-        'tab.title': {'translation': 'Welkom'},
-      });
-      await f.services.i18n.setLocale(const Locale('nl'));
-      await tester.pumpAndSettle();
-      expect(find.text('Project openen'), findsOneWidget);
-      expect(find.text('clide-nl'), findsOneWidget);
+      expect(find.text('Flutter desktop IDE for Claude Code'), findsOneWidget);
+      expect(find.text('Open folder…'), findsOneWidget);
     });
   });
 }