feat: 对话语言国际化

src/components/chat/ChatMessageList.tsx

@@ -1,5 +1,6 @@
 import { memo, useEffect, useRef } from 'react';
 import type { ChatMessageItem } from './types';
+import { useI18n } from '../../i18n';
 
 type ChatMessageListProps = {
   messages: ChatMessageItem[];
@@ -8,6 +9,7 @@ type ChatMessageListProps = {
 
 function ChatMessageList({ messages, loading }: ChatMessageListProps) {
   const containerRef = useRef<HTMLDivElement | null>(null);
+  const { t } = useI18n();
 
   useEffect(() => {
     const container = containerRef.current;
@@ -20,12 +22,12 @@ function ChatMessageList({ messages, loading }: ChatMessageListProps) {
       <div ref={containerRef} className="flex min-h-0 flex-1 flex-col gap-4 overflow-y-auto pr-1">
         {loading ? (
           <div className="rounded-[18px] border border-dashed border-[#BEDBFF] bg-[#EFF6FF] px-4 py-3 text-sm text-[#525866] dark:border-[#2a2a2d] dark:bg-[#1f1f22] dark:text-gray-400">
-            正在加载会话内容...
+            {t('conversation.messageList.loading')}
           </div>
         ) : null}
         {!loading && messages.length === 0 ? (
           <div className="rounded-[18px] border border-dashed border-[#BEDBFF] bg-[#EFF6FF] px-4 py-6 text-sm leading-7 text-[#525866] dark:border-[#2a2a2d] dark:bg-[#1f1f22] dark:text-gray-400">
-            输入你的问题开始一段新对话，现有会话和流式响应都会直接显示在这里。
+            {t('conversation.messageList.emptyHint')}
           </div>
         ) : null}
         {messages.map((message) => (
@@ -81,7 +83,7 @@ function ChatMessageList({ messages, loading }: ChatMessageListProps) {
                 </div>
               ) : null}
               {message.isStreaming ? (
-                <div className="mt-3 text-xs text-[#2B7FFF]">正在生成回复...</div>
+                <div className="mt-3 text-xs text-[#2B7FFF]">{t('conversation.messageList.streaming')}</div>
               ) : null}
             </div>
           </article>

src/i18n/messages.ts

@@ -43,6 +43,11 @@ export const messages: I18nMessages = {
         placeholder: 'Type a message, press Enter to send, Shift + Enter for a new line',
         dismissError: 'Close',
       },
+      messageList: {
+        loading: 'Loading conversation...',
+        emptyHint: 'Start a new conversation by typing your question. Existing messages and streaming responses will appear here directly.',
+        streaming: 'Generating reply...',
+      },
     },
     sidebar: {
       home: 'Home',
@@ -527,6 +532,11 @@ export const messages: I18nMessages = {
         placeholder: '输入消息，按 Enter 发送，Shift + Enter 换行',
         dismissError: '关闭',
       },
+      messageList: {
+        loading: '正在加载会话内容...',
+        emptyHint: '输入你的问题开始一段新对话，现有会话和流式响应都会直接显示在这里。',
+        streaming: '正在生成回复...',
+      },
     },
     sidebar: {
       home: '首页',
@@ -1011,6 +1021,11 @@ export const messages: I18nMessages = {
         placeholder: 'メッセージを入力し、Enter で送信、Shift + Enter で改行',
         dismissError: '閉じる',
       },
+      messageList: {
+        loading: '会話内容を読み込み中...',
+        emptyHint: '質問を入力して新しい会話を始めましょう。既存の会話とストリーミング応答はここに直接表示されます。',
+        streaming: '返信を生成中...',
+      },
     },
     sidebar: {
       home: 'ホーム',