feat: 支持后台设置是否启用整流开关

frontend/src/i18n/locales/en.ts

@@ -3976,6 +3976,18 @@ export default {
         saved: 'Stream timeout settings saved',
         saveFailed: 'Failed to save stream timeout settings'
       },
+      rectifier: {
+        title: 'Request Rectifier',
+        description: 'Automatically fix request parameters and retry when upstream returns specific errors',
+        enabled: 'Enable Request Rectifier',
+        enabledHint: 'Master switch - disabling turns off all rectification features',
+        thinkingSignature: 'Thinking Signature Rectifier',
+        thinkingSignatureHint: 'Automatically strip signatures and retry when upstream returns thinking block signature validation errors',
+        thinkingBudget: 'Thinking Budget Rectifier',
+        thinkingBudgetHint: 'Automatically set budget to 32000 and retry when upstream returns budget_tokens constraint error (≥1024)',
+        saved: 'Rectifier settings saved',
+        saveFailed: 'Failed to save rectifier settings'
+      },
       saveSettings: 'Save Settings',
       saving: 'Saving...',
       settingsSaved: 'Settings saved successfully',

frontend/src/i18n/locales/zh.ts

@@ -4150,6 +4150,18 @@ export default {
         saved: '流超时设置保存成功',
         saveFailed: '保存流超时设置失败'
       },
+      rectifier: {
+        title: '请求整流器',
+        description: '当上游返回特定错误时，自动修正请求参数并重试，提高请求成功率',
+        enabled: '启用请求整流器',
+        enabledHint: '总开关，关闭后所有整流功能均不生效',
+        thinkingSignature: 'Thinking 签名整流',
+        thinkingSignatureHint: '当上游返回 thinking block 签名校验错误时，自动去除签名并重试',
+        thinkingBudget: 'Thinking Budget 整流',
+        thinkingBudgetHint: '当上游返回 budget_tokens 约束错误（≥1024）时，自动将 budget 设为 32000 并重试',
+        saved: '整流器设置保存成功',
+        saveFailed: '保存整流器设置失败'
+      },
       saveSettings: '保存设置',
       saving: '保存中...',
       settingsSaved: '设置保存成功',