feat: enhance AI functionality with conversation management and cancellation

src/i18n/locales/en.ts

@@ -164,6 +164,13 @@ export default {
     copied: "Copied",
     replace: "Replace Editor",
     append: "Append to Editor",
+    apply: "Apply to Editor",
+    clear: "Clear Chat",
+    welcome: "Tell me what you'd like to query, and I'll write the SQL",
+    newChat: "New Chat",
+    thinking: "Thinking...",
+    stopGenerating: "Stop generating",
+    fixWithAi: "Fix with AI",
     truncated: "Context truncated",
     contextSummary: "{database} · {tables} tables",
     settingsHint: "The config is stored in the local app data directory. Requests are sent by the Tauri backend instead of directly from the frontend.",

src/i18n/locales/zh-CN.ts

@@ -169,6 +169,8 @@ export default {
     welcome: "聊聊你想查什么，我来写 SQL",
     newChat: "新对话",
     thinking: "思考中...",
+    stopGenerating: "停止生成",
+    fixWithAi: "用 AI 修复",
     truncated: "上下文已截断",
     contextSummary: "{database} · {tables} 张表",
     settingsHint: "配置会保存在本机应用数据目录中。请求由 Tauri 后端发出，避免在前端直接暴露给模型服务。",