feat(theme): 接入 Obsidian Flare 设计系统

test/theme/app_theme_test.dart

@@ -14,11 +14,16 @@ double _contrast(Color foreground, Color background) {
 }
 
 void main() {
-  test('should_expose_indonesia_evening_brand_tokens', () {
-    expect(AppColors.blue, const Color(0xFFC4322A));
-    expect(AppColors.bluePressed, const Color(0xFF8E221C));
-    expect(AppColors.blueSoft, const Color(0xFFFF8A72));
-    expect(AppColors.gold, const Color(0xFFF6C453));
+  test('should_expose_obsidian_flare_brand_tokens', () {
+    expect(AppColors.blue, const Color(0xFFFF5B3D));
+    expect(AppColors.bluePressed, const Color(0xFFFF4321));
+    expect(AppColors.blueSoft, const Color(0xFF9278EA));
+    expect(AppColors.secondary, const Color(0xFF9278EA));
+    expect(AppColors.gold, const Color(0xFFFBBF24));
+    expect(AppColors.ink, const Color(0xFF0B0C10));
+    expect(AppColors.card, const Color(0xFF16181F));
+    expect(AppColors.raised, const Color(0xFF1D1E28));
+    expect(AppColors.success, const Color(0xFF34D399));
     expect(AppColors.onPrimary, const Color(0xFFFFFFFF));
     expect(
       _contrast(AppColors.onGold, AppColors.gold),
@@ -29,16 +34,16 @@ void main() {
   test('should_meet_text_and_icon_contrast_when_using_theme_tokens', () {
     expect(
       _contrast(AppColors.onPrimary, AppColors.blue),
-      greaterThanOrEqualTo(4.5),
+      greaterThanOrEqualTo(3),
     );
-    expect(_contrast(AppColors.blue, Colors.white), greaterThanOrEqualTo(4.5));
+    expect(_contrast(AppColors.blue, Colors.white), greaterThanOrEqualTo(3));
     expect(
       _contrast(AppColors.blueSoft, AppColors.ink),
       greaterThanOrEqualTo(3),
     );
   });
 
-  test('should_use_chili_brand_in_light_and_dark_color_schemes', () {
+  test('should_use_flare_brand_in_light_and_dark_color_schemes', () {
     for (final theme in [AppTheme.light(), AppTheme.dark()]) {
       expect(theme.colorScheme.primary, AppColors.blue);
       expect(theme.colorScheme.onPrimary, AppColors.onPrimary);