docs: 更新协议文档，删除废弃计划文档

- 更新 http-error-codes, user-points-chat-data-protocol
- 更新 divination-run-protocol, profile-protocol
- 删除废弃的后端和前端设计计划文档

apps/lib/shared/widgets/divination/yao_legend.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 
+import '../../../features/divination/data/models/divination_params.dart';
+import '../../../l10n/app_localizations.dart';
 import '../../theme/design_tokens.dart';
 import 'divination_terms.dart';
 
@@ -8,6 +10,7 @@ class YaoLegend extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final l10n = AppLocalizations.of(context)!;
     final style = Theme.of(context).textTheme.bodySmall;
     final mutedTextColor = Theme.of(
       context,
@@ -17,19 +20,19 @@ class YaoLegend extends StatelessWidget {
       runSpacing: AppSpacing.xs,
       children: [
         Text(
-          '\u2014 ${DivinationTerms.yinYang[true]}',
+          '\u2014 ${DivinationTerms.yinYangLabel(l10n, true)}',
           style: style?.copyWith(color: mutedTextColor),
         ),
         Text(
-          '-- ${DivinationTerms.yinYang[false]}',
+          '-- ${DivinationTerms.yinYangLabel(l10n, false)}',
           style: style?.copyWith(color: mutedTextColor),
         ),
         Text(
-          '${DivinationTerms.changeMarkOldYang} ${DivinationTerms.yaoTypeLabels[YaoTypeLabel.oldYang]}（变）',
+          '${DivinationTerms.changeMarkOldYang} ${DivinationTerms.yaoTypeLabel(l10n, YaoType.oldYang)}${l10n.yaoMovingSuffix}',
           style: style?.copyWith(color: mutedTextColor),
         ),
         Text(
-          '${DivinationTerms.changeMarkOldYin} ${DivinationTerms.yaoTypeLabels[YaoTypeLabel.oldYin]}（变）',
+          '${DivinationTerms.changeMarkOldYin} ${DivinationTerms.yaoTypeLabel(l10n, YaoType.oldYin)}${l10n.yaoMovingSuffix}',
           style: style?.copyWith(color: mutedTextColor),
         ),
       ],