新增: F-01阶段6 AiChat模型下拉+override穿透

src/i18n/en/aiChat.ts

@@ -41,6 +41,14 @@ export default {
     providerNotConfigured: 'No AI provider configured. Please add one in settings.',
     notConfigured: 'Not configured',
 
+    // ── F-01 阶段6: model picker (auto/specify toggle + dropdown) ──
+    autoMode: 'Auto',
+    specifyMode: 'Specify',
+    autoModeHint: 'Auto mode: router picks the best model per scenario',
+    specifyModeHint: 'Specify mode: use the selected model, overriding the router (main chat only)',
+    selectModel: 'Select model',
+    noModels: 'No models available. Please fetch in settings.',
+
     // ── Empty states (UX-2025-20: example prompt cards + no-provider guidance) ──
     emptyNoProvider: 'No AI provider configured',
     emptyNoProviderHint: 'Please add a provider in settings to start chatting',