feat: integrate invite API and improve notification handling

- Add invite code display and binding functionality via API
- Fix notification unread count sync on auth state change
- Improve notification mark read with server state validation
- Add auth state listener to trigger notification refresh
- Add YaoCoinConverter for coin-to-yao type conversion
- Remove YaoLegend from divination screens (UI cleanup)
- Abbreviate relation labels in yao detail view
- Add re-register notice to account delete screen
- Update 'coins' terminology to 'points' in localization
- Fix backend points consumption to only run in CHAT mode
- Add HttpxAuthNoiseFilter to suppress auth endpoint logging
- Fix notification static_schema import path
- Add test coverage for notification bloc error handling
- Update AGENTS.md page header rules and image handling
- Delete deprecated run-dev.sh script

apps/lib/features/divination/data/models/yao_coin_converter.dart

@@ -0,0 +1,19 @@
+import 'divination_params.dart';
+
+class YaoCoinConverter {
+  const YaoCoinConverter._();
+
+  static YaoType fromHuaCount(int huaCount) {
+    return switch (huaCount) {
+      0 => YaoType.oldYin,
+      1 => YaoType.youngYang,
+      2 => YaoType.youngYin,
+      3 => YaoType.oldYang,
+      _ => throw ArgumentError.value(huaCount, 'huaCount', 'must be 0..3'),
+    };
+  }
+
+  static YaoType fromZiCount(int ziCount) {
+    return fromHuaCount(3 - ziCount);
+  }
+}

apps/lib/features/divination/presentation/screens/auto_divination_screen.dart

@@ -14,7 +14,6 @@ import '../../../../shared/widgets/app_modal_dialog.dart';
 import '../../../../shared/widgets/gua_icon.dart';
 import '../../../../shared/widgets/divination/divination_shared_widgets.dart';
 import '../../../../shared/widgets/divination/divination_terms.dart';
-import '../../../../shared/widgets/divination/yao_legend.dart';
 import '../../../../shared/widgets/divination/yao_line_row.dart';
 import '../../../../shared/widgets/date_time_picker/date_time_picker_bottom_sheet.dart';
 import '../../../../shared/widgets/toast/toast.dart';
@@ -23,6 +22,7 @@ import '../../data/models/divination_backend_models.dart';
 import '../../data/apis/divination_api.dart';
 import '../../data/models/divination_params.dart';
 import '../../data/models/divination_result.dart';
+import '../../data/models/yao_coin_converter.dart';
 import '../../data/services/divination_run_service.dart';
 import 'divination_processing_screen.dart';
 
@@ -287,14 +287,8 @@ class _AutoDivinationScreenState extends State<AutoDivinationScreen>
       final c1 = _random.nextBool();
       final c2 = _random.nextBool();
       final c3 = _random.nextBool();
-      final yangCount = [c1, c2, c3].where((v) => v).length;
-      final yao = switch (yangCount) {
-        0 => YaoType.oldYin,
-        1 => YaoType.youngYang,
-        2 => YaoType.youngYin,
-        3 => YaoType.oldYang,
-        _ => YaoType.undetermined,
-      };
+      final ziCount = [c1, c2, c3].where((v) => v).length;
+      final yao = YaoCoinConverter.fromZiCount(ziCount);
       setState(() {
         _isSpinning = false;
         _coin1Yang = c1;
@@ -737,7 +731,6 @@ class _HexagramCard extends StatelessWidget {
             const SizedBox(height: AppSpacing.md),
             for (int i = 5; i >= 0; i--) _YaoRow(index: i, type: yaoStates[i]),
             const SizedBox(height: AppSpacing.xs),
-            const Align(alignment: Alignment.centerLeft, child: YaoLegend()),
           ],
         ),
       ),

apps/lib/features/divination/presentation/screens/divination_result_screen.dart

@@ -10,7 +10,6 @@ import '../../../../shared/theme/app_color_palette.dart';
 import '../../../../shared/theme/design_tokens.dart';
 import '../../../../shared/widgets/divination/divination_terms.dart';
 import '../../../../shared/widgets/divination/yao_glyph.dart';
-import '../../../../shared/widgets/divination/yao_legend.dart';
 import '../../../../shared/widgets/toast/toast.dart';
 import '../../../../shared/widgets/toast/toast_type.dart';
 import '../../data/apis/divination_api.dart';
@@ -926,11 +925,6 @@ class _HexagramDetailCard extends StatelessWidget {
                     showTarget:
                         data.hasChangingYao && idx < data.targetYaoLines.length,
                   ),
-                const SizedBox(height: AppSpacing.sm),
-                const Align(
-                  alignment: Alignment.centerLeft,
-                  child: YaoLegend(),
-                ),
               ],
             ),
           ),
@@ -1156,7 +1150,10 @@ class _YaoDetailRow extends StatelessWidget {
         ),
         SizedBox(
           width: 28,
-          child: Text(data.relation, textAlign: TextAlign.center),
+          child: Text(
+            _abbreviateRelation(data.relation),
+            textAlign: TextAlign.center,
+          ),
         ),
         SizedBox(
           width: 18,
@@ -1183,4 +1180,15 @@ class _YaoDetailRow extends StatelessWidget {
   String _changeMark(YaoType type) {
     return type.changeMark;
   }
+
+  String _abbreviateRelation(String relation) {
+    return switch (relation) {
+      '子孙' => '孙',
+      '妻财' => '财',
+      '官鬼' => '官',
+      '兄弟' => '兄',
+      '父母' => '父',
+      _ => relation,
+    };
+  }
 }

apps/lib/features/divination/presentation/screens/manual_divination_screen.dart

@@ -11,7 +11,6 @@ import '../../../../shared/widgets/app_modal_dialog.dart';
 import '../../../../shared/widgets/gua_icon.dart';
 import '../../../../shared/widgets/divination/divination_shared_widgets.dart';
 import '../../../../shared/widgets/divination/divination_terms.dart';
-import '../../../../shared/widgets/divination/yao_legend.dart';
 import '../../../../shared/widgets/divination/yao_line_row.dart';
 import '../../../../shared/widgets/date_time_picker/date_time_picker_bottom_sheet.dart';
 import '../../../../shared/widgets/toast/toast.dart';
@@ -20,6 +19,7 @@ import '../../data/models/divination_backend_models.dart';
 import '../../data/apis/divination_api.dart';
 import '../../data/models/divination_params.dart';
 import '../../data/models/divination_result.dart';
+import '../../data/models/yao_coin_converter.dart';
 import '../../data/services/divination_run_service.dart';
 import 'divination_processing_screen.dart';
 
@@ -524,7 +524,6 @@ class _YaoSelectionCard extends StatelessWidget {
               );
             }),
             const SizedBox(height: AppSpacing.xs),
-            const Align(alignment: Alignment.centerLeft, child: YaoLegend()),
           ],
         ),
       ),
@@ -565,13 +564,7 @@ class _ThreeCoinSelectorDialogState extends State<_ThreeCoinSelectorDialog> {
 
   YaoType get _currentYaoType {
     final huaCount = _coinStates.where((isHua) => isHua).length;
-    return switch (huaCount) {
-      0 => YaoType.oldYin,
-      1 => YaoType.youngYang,
-      2 => YaoType.youngYin,
-      3 => YaoType.oldYang,
-      _ => YaoType.undetermined,
-    };
+    return YaoCoinConverter.fromHuaCount(huaCount);
   }
 
   void _toggleCoin(int index) {