Merge pull request #875 from mt21625457/fix/openai-fast-billing-clean

fix(billing): 修复 OpenAI fast 档位计费并补齐展示

frontend/src/i18n/locales/en.ts

@@ -726,8 +726,15 @@ export default {
     unknown: 'Unknown',
     in: 'In',
     out: 'Out',
+    inputTokenPrice: 'Input price',
+    outputTokenPrice: 'Output price',
+    perMillionTokens: '/ 1M tokens',
     cacheRead: 'Read',
     cacheWrite: 'Write',
+    serviceTier: 'Service tier',
+    serviceTierPriority: 'Fast',
+    serviceTierFlex: 'Flex',
+    serviceTierStandard: 'Standard',
     rate: 'Rate',
     original: 'Original',
     billed: 'Billed',