feat: 实现起卦、设置与积分系统

apps/test/shared/widgets/divination/yao_glyph_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meeyao_qianwen/features/divination/data/models/divination_params.dart';
+import 'package:meeyao_qianwen/shared/widgets/divination/yao_glyph.dart';
+
+void main() {
+  testWidgets('youngYang renders one solid segment', (tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(body: YaoGlyph(type: YaoType.youngYang)),
+      ),
+    );
+
+    expect(find.byKey(const Key('yao_glyph_solid')), findsOneWidget);
+    expect(find.byKey(const Key('yao_glyph_split_left')), findsNothing);
+    expect(find.byKey(const Key('yao_glyph_split_right')), findsNothing);
+  });
+
+  testWidgets('youngYin renders two split segments', (tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(body: YaoGlyph(type: YaoType.youngYin)),
+      ),
+    );
+
+    expect(find.byKey(const Key('yao_glyph_solid')), findsNothing);
+    expect(find.byKey(const Key('yao_glyph_split_left')), findsOneWidget);
+    expect(find.byKey(const Key('yao_glyph_split_right')), findsOneWidget);
+  });
+}

apps/test/shared/widgets/divination/yao_legend_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meeyao_qianwen/shared/widgets/divination/yao_legend.dart';
+
+void main() {
+  testWidgets('legend shows yang yin and changing symbols', (tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(home: Scaffold(body: YaoLegend())),
+    );
+
+    expect(find.text('— 阳'), findsOneWidget);
+    expect(find.text('-- 阴'), findsOneWidget);
+    expect(find.text('○ 老阳（变）'), findsOneWidget);
+    expect(find.text('× 老阴（变）'), findsOneWidget);
+  });
+}

apps/test/shared/widgets/divination/yao_line_row_test.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:meeyao_qianwen/features/divination/data/models/divination_params.dart';
+import 'package:meeyao_qianwen/shared/widgets/divination/yao_line_row.dart';
+
+void main() {
+  testWidgets('oldYang shows circle mark when enabled', (tester) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(
+          body: YaoLineRow(
+            name: '初爻',
+            type: YaoType.oldYang,
+            showChangeMark: true,
+          ),
+        ),
+      ),
+    );
+
+    expect(find.text('初爻'), findsOneWidget);
+    expect(find.text('○'), findsOneWidget);
+  });
+
+  testWidgets('oldYin does not show mark when showChangeMark=false', (
+    tester,
+  ) async {
+    await tester.pumpWidget(
+      const MaterialApp(
+        home: Scaffold(
+          body: YaoLineRow(
+            name: '二爻',
+            type: YaoType.oldYin,
+            showChangeMark: false,
+          ),
+        ),
+      ),
+    );
+
+    expect(find.text('×'), findsNothing);
+  });
+}