Merge pull request 'fix: 修复前端 TypeScript 编译错误' (#189) from fix/frontend into develop

Reviewed-on: http://8.161.227.145:3000/XEngineers/CamTalk/pulls/189

frontend/src/App.tsx

@@ -240,9 +240,6 @@ function AppContent() {
     }]);
   }, [updateConfig, setMessages, tr]);
 
-  // 当前情景对象
-  const activeScenario = allScenarios.find((s) => s.id === (config.scenario || "free_chat")) || allScenarios[0];
-
   // ---- 键盘快捷键 ----
   useEffect(() => {
     const handler = (e: KeyboardEvent) => {

frontend/src/components/ChatPanel/index.tsx

@@ -4,7 +4,7 @@
 // 增强：空状态情景选择卡片、语音输入按钮
 // ============================================================
 
-import { ReactNode, useEffect, useRef, useState } from "react";
+import { useEffect, useRef, useState, type ReactNode } from "react";
 import { useI18n } from "../../lib/i18n";
 import { scenarios } from "../../lib/scenarios";
 import type { ChatMessage } from "../../types";
@@ -52,7 +52,6 @@ export function ChatPanel({
   onSendText,
   onToggleMic,
   onSceneCard,
-  onSelectScenario,
 }: ChatPanelProps) {
   const bottomRef = useRef<HTMLDivElement>(null);
   const containerRef = useRef<HTMLDivElement>(null);