feat(admin+api): 代理停用默认、结算加固与冒烟配置探针

- 代理层级默认授信比例与停用冻结/禁登全局默认

- 结算预览去重、比分校验、串关当场判负与市场类型校验

- 站内信 Banner/公告自动通知开关；开发环境动态 API 端口

- 扩充 RBAC/结算/认证/返现单元测试与 agent skills

packages/shared/src/api-errors.js

@@ -747,6 +747,26 @@ export const API_ERROR_MESSAGES = {
         'en-US': 'Batch already confirmed',
         'ms-MY': 'Batch sudah disahkan',
     },
+    SETTLEMENT_BATCH_STALE: {
+        'zh-CN': '结算批次已过期，请使用最新预览批次',
+        'en-US': 'Settlement batch is stale; use the latest preview batch',
+        'ms-MY': 'Batch penyelesaian lapuk; guna batch pratonton terkini',
+    },
+    SETTLEMENT_BET_UPDATE_FAILED: {
+        'zh-CN': '注单 {betNo} 结算状态更新失败，请重试',
+        'en-US': 'Failed to update bet {betNo} for settlement',
+        'ms-MY': 'Gagal mengemas kini pertaruhan {betNo} untuk penyelesaian',
+    },
+    SETTLEMENT_SCORE_INVALID: {
+        'zh-CN': '比分无效：半场比分不能大于全场比分',
+        'en-US': 'Invalid score: half-time cannot exceed full-time',
+        'ms-MY': 'Skor tidak sah: separuh masa tidak boleh melebihi masa penuh',
+    },
+    SETTLEMENT_MARKET_UNSUPPORTED: {
+        'zh-CN': '盘口 {marketType} 暂不支持结算',
+        'en-US': 'Market type {marketType} is not supported for settlement',
+        'ms-MY': 'Jenis pasaran {marketType} belum disokong untuk penyelesaian',
+    },
     SCORE_NOT_FOUND: {
         'zh-CN': '比分不存在',
         'en-US': 'Score not found',

packages/shared/src/api-errors.ts

@@ -749,6 +749,26 @@ export const API_ERROR_MESSAGES = {
     'en-US': 'Batch already confirmed',
     'ms-MY': 'Batch sudah disahkan',
   },
+  SETTLEMENT_BATCH_STALE: {
+    'zh-CN': '结算批次已过期，请使用最新预览批次',
+    'en-US': 'Settlement batch is stale; use the latest preview batch',
+    'ms-MY': 'Batch penyelesaian lapuk; guna batch pratonton terkini',
+  },
+  SETTLEMENT_BET_UPDATE_FAILED: {
+    'zh-CN': '注单 {betNo} 结算状态更新失败，请重试',
+    'en-US': 'Failed to update bet {betNo} for settlement',
+    'ms-MY': 'Gagal mengemas kini pertaruhan {betNo} untuk penyelesaian',
+  },
+  SETTLEMENT_SCORE_INVALID: {
+    'zh-CN': '比分无效：半场比分不能大于全场比分',
+    'en-US': 'Invalid score: half-time cannot exceed full-time',
+    'ms-MY': 'Skor tidak sah: separuh masa tidak boleh melebihi masa penuh',
+  },
+  SETTLEMENT_MARKET_UNSUPPORTED: {
+    'zh-CN': '盘口 {marketType} 暂不支持结算',
+    'en-US': 'Market type {marketType} is not supported for settlement',
+    'ms-MY': 'Jenis pasaran {marketType} belum disokong untuk penyelesaian',
+  },
   SCORE_NOT_FOUND: {
     'zh-CN': '比分不存在',
     'en-US': 'Score not found',