fix(usage): 显示缓存 Token 明细

frontend/src/i18n/locales/en.ts

@@ -878,6 +878,10 @@ export default {
     cacheTtlOverridden1h: 'Billed as 1h',
     totalRequests: 'Total Requests',
     totalTokens: 'Total Tokens',
+    cacheTotal: 'Cache',
+    cacheBreakdown: 'Cache Token Breakdown',
+    cacheCreationTokensLabel: 'Cache Creation',
+    cacheReadTokensLabel: 'Cache Read',
     totalCost: 'Total Cost',
     standardCost: 'Standard',
     actualCost: 'Actual',

frontend/src/i18n/locales/zh.ts

@@ -882,6 +882,10 @@ export default {
     cacheTtlOverridden1h: '按 1h 计费',
     totalRequests: '总请求数',
     totalTokens: '总 Token',
+    cacheTotal: '缓存',
+    cacheBreakdown: '缓存 Token 明细',
+    cacheCreationTokensLabel: '缓存创建',
+    cacheReadTokensLabel: '缓存读取',
     totalCost: '总消费',
     standardCost: '标准',
     actualCost: '实际',