diff --git a/src/views/AgentChat/constants/animations.ts b/src/views/AgentChat/constants/animations.ts
new file mode 100644
index 00000000..5cd5e77a
--- /dev/null
+++ b/src/views/AgentChat/constants/animations.ts
@@ -0,0 +1,101 @@
+// src/views/AgentChat/constants/animations.ts
+// Framer Motion 动画变体配置
+
+import { Variants } from 'framer-motion';
+
+/**
+ * Framer Motion 动画变体配置
+ * 用于 AgentChat 组件的各种动画效果
+ */
+export const animations: Record<string, Variants> = {
+  /**
+   * 左侧栏滑入动画（Spring 物理引擎）
+   * 从左侧滑入，使用弹性动画
+   */
+  slideInLeft: {
+    initial: { x: -320, opacity: 0 },
+    animate: {
+      x: 0,
+      opacity: 1,
+      transition: {
+        type: 'spring',
+        stiffness: 300,
+        damping: 30,
+      },
+    },
+    exit: {
+      x: -320,
+      opacity: 0,
+      transition: { duration: 0.2 },
+    },
+  },
+
+  /**
+   * 右侧栏滑入动画（Spring 物理引擎）
+   * 从右侧滑入，使用弹性动画
+   */
+  slideInRight: {
+    initial: { x: 320, opacity: 0 },
+    animate: {
+      x: 0,
+      opacity: 1,
+      transition: {
+        type: 'spring',
+        stiffness: 300,
+        damping: 30,
+      },
+    },
+    exit: {
+      x: 320,
+      opacity: 0,
+      transition: { duration: 0.2 },
+    },
+  },
+
+  /**
+   * 消息淡入上移动画
+   * 用于新消息出现时的动画效果
+   */
+  fadeInUp: {
+    initial: { opacity: 0, y: 20 },
+    animate: {
+      opacity: 1,
+      y: 0,
+      transition: {
+        type: 'spring',
+        stiffness: 400,
+        damping: 25,
+      },
+    },
+  },
+
+  /**
+   * 错开动画项
+   * 用于列表项的错开出现效果
+   */
+  staggerItem: {
+    initial: { opacity: 0, y: 10 },
+    animate: { opacity: 1, y: 0 },
+  },
+
+  /**
+   * 错开动画容器
+   * 用于包含多个子项的容器，使子项依次出现
+   */
+  staggerContainer: {
+    animate: {
+      transition: {
+        staggerChildren: 0.05,
+      },
+    },
+  },
+
+  /**
+   * 按压缩放动画
+   * 用于按钮等交互元素的点击/悬停效果
+   */
+  pressScale: {
+    whileTap: { scale: 0.95 },
+    whileHover: { scale: 1.05 },
+  },
+};
diff --git a/src/views/AgentChat/constants/index.ts b/src/views/AgentChat/constants/index.ts
new file mode 100644
index 00000000..35c32e62
--- /dev/null
+++ b/src/views/AgentChat/constants/index.ts
@@ -0,0 +1,22 @@
+// src/views/AgentChat/constants/index.ts
+// 常量配置统一导出
+
+/**
+ * 统一导出所有常量配置模块
+ *
+ * 使用示例:
+ * ```typescript
+ * // 方式 1: 从子模块导入（推荐，按需引入）
+ * import { animations } from './constants/animations';
+ * import { MessageTypes } from './constants/messageTypes';
+ *
+ * // 方式 2: 从统一入口导入
+ * import { animations, MessageTypes, AVAILABLE_MODELS } from './constants';
+ * ```
+ */
+
+export * from './animations';
+export * from './messageTypes';
+export * from './models';
+export * from './tools';
+export * from './quickQuestions';
diff --git a/src/views/AgentChat/constants/messageTypes.ts b/src/views/AgentChat/constants/messageTypes.ts
new file mode 100644
index 00000000..1d5de3c6
--- /dev/null
+++ b/src/views/AgentChat/constants/messageTypes.ts
@@ -0,0 +1,93 @@
+// src/views/AgentChat/constants/messageTypes.ts
+// 消息类型定义
+
+/**
+ * 消息类型枚举
+ * 定义 Agent Chat 中所有可能的消息类型
+ */
+export enum MessageTypes {
+  /** 用户消息 */
+  USER = 'user',
+  /** Agent 思考中状态 */
+  AGENT_THINKING = 'agent_thinking',
+  /** Agent 执行计划 */
+  AGENT_PLAN = 'agent_plan',
+  /** Agent 执行步骤中 */
+  AGENT_EXECUTING = 'agent_executing',
+  /** Agent 最终回复 */
+  AGENT_RESPONSE = 'agent_response',
+  /** 错误消息 */
+  ERROR = 'error',
+}
+
+/**
+ * 文件附件接口
+ */
+export interface MessageFile {
+  /** 文件名称 */
+  name: string;
+  /** 文件大小（字节）*/
+  size: number;
+  /** MIME 类型 */
+  type: string;
+  /** 文件 URL（本地或远程）*/
+  url: string;
+}
+
+/**
+ * 消息基础接口
+ */
+export interface BaseMessage {
+  /** 消息唯一标识 */
+  id: string | number;
+  /** 消息类型 */
+  type: MessageTypes;
+  /** 消息内容 */
+  content: string;
+  /** 时间戳（ISO 8601 格式）*/
+  timestamp: string;
+}
+
+/**
+ * 用户消息接口
+ */
+export interface UserMessage extends BaseMessage {
+  type: MessageTypes.USER;
+  /** 上传的文件附件 */
+  files?: MessageFile[];
+}
+
+/**
+ * Agent 消息接口
+ */
+export interface AgentMessage extends BaseMessage {
+  type:
+    | MessageTypes.AGENT_RESPONSE
+    | MessageTypes.AGENT_THINKING
+    | MessageTypes.AGENT_PLAN
+    | MessageTypes.AGENT_EXECUTING;
+  /** 执行计划（JSON 对象）*/
+  plan?: any;
+  /** 执行步骤结果 */
+  stepResults?: Array<{
+    tool_name: string;
+    status: 'success' | 'error';
+    execution_time?: number;
+    error?: string;
+  }>;
+  /** 额外元数据 */
+  metadata?: any;
+}
+
+/**
+ * 错误消息接口
+ */
+export interface ErrorMessage extends BaseMessage {
+  type: MessageTypes.ERROR;
+}
+
+/**
+ * 消息联合类型
+ * 用于表示任意类型的消息
+ */
+export type Message = UserMessage | AgentMessage | ErrorMessage;
diff --git a/src/views/AgentChat/constants/models.ts b/src/views/AgentChat/constants/models.ts
new file mode 100644
index 00000000..1e81adf3
--- /dev/null
+++ b/src/views/AgentChat/constants/models.ts
@@ -0,0 +1,63 @@
+// src/views/AgentChat/constants/models.ts
+// 可用模型配置
+
+import React from 'react';
+import { Brain, Zap, TrendingUp } from 'lucide-react';
+
+/**
+ * 模型配置接口
+ */
+export interface ModelConfig {
+  /** 模型唯一标识 */
+  id: string;
+  /** 模型显示名称 */
+  name: string;
+  /** 模型描述 */
+  description: string;
+  /** 模型图标（React 元素）*/
+  icon: React.ReactNode;
+  /** 颜色主题 */
+  color: string;
+}
+
+/**
+ * 可用模型配置列表
+ * 包含所有可供用户选择的 AI 模型
+ */
+export const AVAILABLE_MODELS: ModelConfig[] = [
+  {
+    id: 'kimi-k2-thinking',
+    name: 'Kimi K2 Thinking',
+    description: '深度思考模型,适合复杂分析',
+    icon: React.createElement(Brain, { className: 'w-5 h-5' }),
+    color: 'purple',
+  },
+  {
+    id: 'kimi-k2',
+    name: 'Kimi K2',
+    description: '快速响应模型,适合简单查询',
+    icon: React.createElement(Zap, { className: 'w-5 h-5' }),
+    color: 'blue',
+  },
+  {
+    id: 'deepmoney',
+    name: 'DeepMoney',
+    description: '金融专业模型',
+    icon: React.createElement(TrendingUp, { className: 'w-5 h-5' }),
+    color: 'green',
+  },
+];
+
+/**
+ * 默认选中的模型 ID
+ */
+export const DEFAULT_MODEL_ID = 'kimi-k2-thinking';
+
+/**
+ * 根据 ID 查找模型配置
+ * @param modelId 模型 ID
+ * @returns 模型配置对象，未找到则返回 undefined
+ */
+export const findModelById = (modelId: string): ModelConfig | undefined => {
+  return AVAILABLE_MODELS.find((model) => model.id === modelId);
+};
diff --git a/src/views/AgentChat/constants/quickQuestions.ts b/src/views/AgentChat/constants/quickQuestions.ts
new file mode 100644
index 00000000..e275051e
--- /dev/null
+++ b/src/views/AgentChat/constants/quickQuestions.ts
@@ -0,0 +1,23 @@
+// src/views/AgentChat/constants/quickQuestions.ts
+// 快捷问题配置
+
+/**
+ * 快捷问题配置接口
+ */
+export interface QuickQuestion {
+  /** 问题文本 */
+  text: string;
+  /** 表情符号 */
+  emoji: string;
+}
+
+/**
+ * 预设快捷问题列表
+ * 用于在聊天界面初始状态显示，帮助用户快速开始对话
+ */
+export const quickQuestions: QuickQuestion[] = [
+  { text: '今日涨停板块分析', emoji: '🔥' },
+  { text: '新能源概念机会', emoji: '⚡' },
+  { text: '半导体行业动态', emoji: '💾' },
+  { text: '本周热门研报', emoji: '📊' },
+];
diff --git a/src/views/AgentChat/constants/tools.ts b/src/views/AgentChat/constants/tools.ts
new file mode 100644
index 00000000..45390fb5
--- /dev/null
+++ b/src/views/AgentChat/constants/tools.ts
@@ -0,0 +1,249 @@
+// src/views/AgentChat/constants/tools.ts
+// MCP 工具配置
+
+import React from 'react';
+import {
+  Globe,
+  Newspaper,
+  Activity,
+  PieChart,
+  FileText,
+  BarChart3,
+  LineChart,
+  TrendingUp,
+  Calendar,
+  BookOpen,
+  Briefcase,
+  DollarSign,
+  Search,
+  Users,
+} from 'lucide-react';
+
+/**
+ * 工具类别枚举
+ */
+export enum ToolCategory {
+  NEWS = '新闻资讯',
+  CONCEPT = '概念板块',
+  LIMIT_UP = '涨停分析',
+  RESEARCH = '研报路演',
+  STOCK_DATA = '股票数据',
+  USER_DATA = '用户数据',
+}
+
+/**
+ * MCP 工具配置接口
+ */
+export interface MCPTool {
+  /** 工具唯一标识 */
+  id: string;
+  /** 工具显示名称 */
+  name: string;
+  /** 工具图标（React 元素）*/
+  icon: React.ReactNode;
+  /** 工具类别 */
+  category: ToolCategory;
+  /** 工具描述 */
+  description: string;
+}
+
+/**
+ * MCP 工具完整配置列表
+ * 包含所有可供 Agent 调用的工具
+ */
+export const MCP_TOOLS: MCPTool[] = [
+  // ==================== 新闻搜索类 ====================
+  {
+    id: 'search_news',
+    name: '全球新闻搜索',
+    icon: React.createElement(Globe, { className: 'w-4 h-4' }),
+    category: ToolCategory.NEWS,
+    description: '搜索全球新闻,支持关键词和日期过滤',
+  },
+  {
+    id: 'search_china_news',
+    name: '中国新闻搜索',
+    icon: React.createElement(Newspaper, { className: 'w-4 h-4' }),
+    category: ToolCategory.NEWS,
+    description: 'KNN语义搜索中国新闻',
+  },
+  {
+    id: 'search_medical_news',
+    name: '医疗健康新闻',
+    icon: React.createElement(Activity, { className: 'w-4 h-4' }),
+    category: ToolCategory.NEWS,
+    description: '医药、医疗设备、生物技术新闻',
+  },
+
+  // ==================== 概念板块类 ====================
+  {
+    id: 'search_concepts',
+    name: '概念板块搜索',
+    icon: React.createElement(PieChart, { className: 'w-4 h-4' }),
+    category: ToolCategory.CONCEPT,
+    description: '搜索股票概念板块及相关股票',
+  },
+  {
+    id: 'get_concept_details',
+    name: '概念详情',
+    icon: React.createElement(FileText, { className: 'w-4 h-4' }),
+    category: ToolCategory.CONCEPT,
+    description: '获取概念板块详细信息',
+  },
+  {
+    id: 'get_stock_concepts',
+    name: '股票概念',
+    icon: React.createElement(BarChart3, { className: 'w-4 h-4' }),
+    category: ToolCategory.CONCEPT,
+    description: '查询股票相关概念板块',
+  },
+  {
+    id: 'get_concept_statistics',
+    name: '概念统计',
+    icon: React.createElement(LineChart, { className: 'w-4 h-4' }),
+    category: ToolCategory.CONCEPT,
+    description: '涨幅榜、跌幅榜、活跃榜等',
+  },
+
+  // ==================== 涨停分析类 ====================
+  {
+    id: 'search_limit_up_stocks',
+    name: '涨停股票搜索',
+    icon: React.createElement(TrendingUp, { className: 'w-4 h-4' }),
+    category: ToolCategory.LIMIT_UP,
+    description: '搜索涨停股票,支持多条件筛选',
+  },
+  {
+    id: 'get_daily_stock_analysis',
+    name: '涨停日报',
+    icon: React.createElement(Calendar, { className: 'w-4 h-4' }),
+    category: ToolCategory.LIMIT_UP,
+    description: '每日涨停股票分析报告',
+  },
+
+  // ==================== 研报路演类 ====================
+  {
+    id: 'search_research_reports',
+    name: '研报搜索',
+    icon: React.createElement(BookOpen, { className: 'w-4 h-4' }),
+    category: ToolCategory.RESEARCH,
+    description: '搜索研究报告,支持语义搜索',
+  },
+  {
+    id: 'search_roadshows',
+    name: '路演活动',
+    icon: React.createElement(Briefcase, { className: 'w-4 h-4' }),
+    category: ToolCategory.RESEARCH,
+    description: '上市公司路演、投资者交流活动',
+  },
+
+  // ==================== 股票数据类 ====================
+  {
+    id: 'get_stock_basic_info',
+    name: '股票基本信息',
+    icon: React.createElement(FileText, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: '公司名称、行业、主营业务等',
+  },
+  {
+    id: 'get_stock_financial_index',
+    name: '财务指标',
+    icon: React.createElement(DollarSign, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: 'EPS、ROE、营收增长率等',
+  },
+  {
+    id: 'get_stock_trade_data',
+    name: '交易数据',
+    icon: React.createElement(BarChart3, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: '价格、成交量、涨跌幅等',
+  },
+  {
+    id: 'get_stock_balance_sheet',
+    name: '资产负债表',
+    icon: React.createElement(PieChart, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: '资产、负债、所有者权益',
+  },
+  {
+    id: 'get_stock_cashflow',
+    name: '现金流量表',
+    icon: React.createElement(LineChart, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: '经营、投资、筹资现金流',
+  },
+  {
+    id: 'search_stocks_by_criteria',
+    name: '条件选股',
+    icon: React.createElement(Search, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: '按行业、地区、市值筛选',
+  },
+  {
+    id: 'get_stock_comparison',
+    name: '股票对比',
+    icon: React.createElement(BarChart3, { className: 'w-4 h-4' }),
+    category: ToolCategory.STOCK_DATA,
+    description: '多只股票财务指标对比',
+  },
+
+  // ==================== 用户数据类 ====================
+  {
+    id: 'get_user_watchlist',
+    name: '自选股列表',
+    icon: React.createElement(Users, { className: 'w-4 h-4' }),
+    category: ToolCategory.USER_DATA,
+    description: '用户关注的股票及行情',
+  },
+  {
+    id: 'get_user_following_events',
+    name: '关注事件',
+    icon: React.createElement(Activity, { className: 'w-4 h-4' }),
+    category: ToolCategory.USER_DATA,
+    description: '用户关注的重大事件',
+  },
+];
+
+/**
+ * 按类别分组的工具配置
+ * 用于在 UI 中按类别展示工具
+ */
+export const TOOL_CATEGORIES: Record<ToolCategory, MCPTool[]> = {
+  [ToolCategory.NEWS]: MCP_TOOLS.filter((t) => t.category === ToolCategory.NEWS),
+  [ToolCategory.CONCEPT]: MCP_TOOLS.filter((t) => t.category === ToolCategory.CONCEPT),
+  [ToolCategory.LIMIT_UP]: MCP_TOOLS.filter((t) => t.category === ToolCategory.LIMIT_UP),
+  [ToolCategory.RESEARCH]: MCP_TOOLS.filter((t) => t.category === ToolCategory.RESEARCH),
+  [ToolCategory.STOCK_DATA]: MCP_TOOLS.filter((t) => t.category === ToolCategory.STOCK_DATA),
+  [ToolCategory.USER_DATA]: MCP_TOOLS.filter((t) => t.category === ToolCategory.USER_DATA),
+};
+
+/**
+ * 默认选中的工具 ID 列表
+ * 这些工具在页面初始化时自动选中
+ */
+export const DEFAULT_SELECTED_TOOLS: string[] = [
+  'search_news',
+  'search_china_news',
+  'search_concepts',
+  'search_limit_up_stocks',
+  'search_research_reports',
+];
+
+/**
+ * 根据 ID 查找工具配置
+ * @param toolId 工具 ID
+ * @returns 工具配置对象，未找到则返回 undefined
+ */
+export const findToolById = (toolId: string): MCPTool | undefined => {
+  return MCP_TOOLS.find((tool) => tool.id === toolId);
+};
+
+/**
+ * 根据类别获取工具列表
+ * @param category 工具类别
+ * @returns 该类别下的所有工具
+ */
+export const getToolsByCategory = (category: ToolCategory): MCPTool[] => {
+  return TOOL_CATEGORIES[category] || [];
+};
diff --git a/src/views/AgentChat/index.js b/src/views/AgentChat/index.js
index 9a89bf5b..7446357f 100644
--- a/src/views/AgentChat/index.js
+++ b/src/views/AgentChat/index.js
@@ -92,281 +92,22 @@ import {
   Users,
 } from 'lucide-react';
 
-/**
- * Framer Motion 动画变体配置
- */
-const animations = {
-  slideInLeft: {
-    initial: { x: -320, opacity: 0 },
-    animate: {
-      x: 0,
-      opacity: 1,
-      transition: {
-        type: 'spring',
-        stiffness: 300,
-        damping: 30,
-      },
-    },
-    exit: {
-      x: -320,
-      opacity: 0,
-      transition: { duration: 0.2 },
-    },
-  },
-  slideInRight: {
-    initial: { x: 320, opacity: 0 },
-    animate: {
-      x: 0,
-      opacity: 1,
-      transition: {
-        type: 'spring',
-        stiffness: 300,
-        damping: 30,
-      },
-    },
-    exit: {
-      x: 320,
-      opacity: 0,
-      transition: { duration: 0.2 },
-    },
-  },
-  fadeInUp: {
-    initial: { opacity: 0, y: 20 },
-    animate: {
-      opacity: 1,
-      y: 0,
-      transition: {
-        type: 'spring',
-        stiffness: 400,
-        damping: 25,
-      },
-    },
-  },
-  staggerItem: {
-    initial: { opacity: 0, y: 10 },
-    animate: { opacity: 1, y: 0 },
-  },
-  staggerContainer: {
-    animate: {
-      transition: {
-        staggerChildren: 0.05,
-      },
-    },
-  },
-  pressScale: {
-    whileTap: { scale: 0.95 },
-    whileHover: { scale: 1.05 },
-  },
-};
-
-/**
- * 消息类型
- */
-const MessageTypes = {
-  USER: 'user',
-  AGENT_THINKING: 'agent_thinking',
-  AGENT_PLAN: 'agent_plan',
-  AGENT_EXECUTING: 'agent_executing',
-  AGENT_RESPONSE: 'agent_response',
-  ERROR: 'error',
-};
-
-/**
- * 可用模型配置
- */
-const AVAILABLE_MODELS = [
-  {
-    id: 'kimi-k2-thinking',
-    name: 'Kimi K2 Thinking',
-    description: '深度思考模型,适合复杂分析',
-    icon: <Brain className="w-5 h-5" />,
-    color: 'purple',
-  },
-  {
-    id: 'kimi-k2',
-    name: 'Kimi K2',
-    description: '快速响应模型,适合简单查询',
-    icon: <Zap className="w-5 h-5" />,
-    color: 'blue',
-  },
-  {
-    id: 'deepmoney',
-    name: 'DeepMoney',
-    description: '金融专业模型',
-    icon: <TrendingUp className="w-5 h-5" />,
-    color: 'green',
-  },
-];
-
-/**
- * MCP 工具配置（完整列表）
- */
-const MCP_TOOLS = [
-  // 新闻搜索类
-  {
-    id: 'search_news',
-    name: '全球新闻搜索',
-    icon: <Globe className="w-4 h-4" />,
-    category: '新闻资讯',
-    description: '搜索全球新闻,支持关键词和日期过滤'
-  },
-  {
-    id: 'search_china_news',
-    name: '中国新闻搜索',
-    icon: <Newspaper className="w-4 h-4" />,
-    category: '新闻资讯',
-    description: 'KNN语义搜索中国新闻'
-  },
-  {
-    id: 'search_medical_news',
-    name: '医疗健康新闻',
-    icon: <Activity className="w-4 h-4" />,
-    category: '新闻资讯',
-    description: '医药、医疗设备、生物技术新闻'
-  },
-
-  // 概念板块类
-  {
-    id: 'search_concepts',
-    name: '概念板块搜索',
-    icon: <PieChart className="w-4 h-4" />,
-    category: '概念板块',
-    description: '搜索股票概念板块及相关股票'
-  },
-  {
-    id: 'get_concept_details',
-    name: '概念详情',
-    icon: <FileText className="w-4 h-4" />,
-    category: '概念板块',
-    description: '获取概念板块详细信息'
-  },
-  {
-    id: 'get_stock_concepts',
-    name: '股票概念',
-    icon: <BarChart3 className="w-4 h-4" />,
-    category: '概念板块',
-    description: '查询股票相关概念板块'
-  },
-  {
-    id: 'get_concept_statistics',
-    name: '概念统计',
-    icon: <LineChart className="w-4 h-4" />,
-    category: '概念板块',
-    description: '涨幅榜、跌幅榜、活跃榜等'
-  },
-
-  // 涨停分析类
-  {
-    id: 'search_limit_up_stocks',
-    name: '涨停股票搜索',
-    icon: <TrendingUp className="w-4 h-4" />,
-    category: '涨停分析',
-    description: '搜索涨停股票,支持多条件筛选'
-  },
-  {
-    id: 'get_daily_stock_analysis',
-    name: '涨停日报',
-    icon: <Calendar className="w-4 h-4" />,
-    category: '涨停分析',
-    description: '每日涨停股票分析报告'
-  },
-
-  // 研报路演类
-  {
-    id: 'search_research_reports',
-    name: '研报搜索',
-    icon: <BookOpen className="w-4 h-4" />,
-    category: '研报路演',
-    description: '搜索研究报告,支持语义搜索'
-  },
-  {
-    id: 'search_roadshows',
-    name: '路演活动',
-    icon: <Briefcase className="w-4 h-4" />,
-    category: '研报路演',
-    description: '上市公司路演、投资者交流活动'
-  },
-
-  // 股票数据类
-  {
-    id: 'get_stock_basic_info',
-    name: '股票基本信息',
-    icon: <FileText className="w-4 h-4" />,
-    category: '股票数据',
-    description: '公司名称、行业、主营业务等'
-  },
-  {
-    id: 'get_stock_financial_index',
-    name: '财务指标',
-    icon: <DollarSign className="w-4 h-4" />,
-    category: '股票数据',
-    description: 'EPS、ROE、营收增长率等'
-  },
-  {
-    id: 'get_stock_trade_data',
-    name: '交易数据',
-    icon: <BarChart3 className="w-4 h-4" />,
-    category: '股票数据',
-    description: '价格、成交量、涨跌幅等'
-  },
-  {
-    id: 'get_stock_balance_sheet',
-    name: '资产负债表',
-    icon: <PieChart className="w-4 h-4" />,
-    category: '股票数据',
-    description: '资产、负债、所有者权益'
-  },
-  {
-    id: 'get_stock_cashflow',
-    name: '现金流量表',
-    icon: <LineChart className="w-4 h-4" />,
-    category: '股票数据',
-    description: '经营、投资、筹资现金流'
-  },
-  {
-    id: 'search_stocks_by_criteria',
-    name: '条件选股',
-    icon: <Search className="w-4 h-4" />,
-    category: '股票数据',
-    description: '按行业、地区、市值筛选'
-  },
-  {
-    id: 'get_stock_comparison',
-    name: '股票对比',
-    icon: <BarChart3 className="w-4 h-4" />,
-    category: '股票数据',
-    description: '多只股票财务指标对比'
-  },
-
-  // 用户数据类
-  {
-    id: 'get_user_watchlist',
-    name: '自选股列表',
-    icon: <Users className="w-4 h-4" />,
-    category: '用户数据',
-    description: '用户关注的股票及行情'
-  },
-  {
-    id: 'get_user_following_events',
-    name: '关注事件',
-    icon: <Activity className="w-4 h-4" />,
-    category: '用户数据',
-    description: '用户关注的重大事件'
-  },
-];
-
-// 按类别分组工具
-const TOOL_CATEGORIES = {
-  '新闻资讯': MCP_TOOLS.filter(t => t.category === '新闻资讯'),
-  '概念板块': MCP_TOOLS.filter(t => t.category === '概念板块'),
-  '涨停分析': MCP_TOOLS.filter(t => t.category === '涨停分析'),
-  '研报路演': MCP_TOOLS.filter(t => t.category === '研报路演'),
-  '股票数据': MCP_TOOLS.filter(t => t.category === '股票数据'),
-  '用户数据': MCP_TOOLS.filter(t => t.category === '用户数据'),
-};
+// 常量配置 - 从 TypeScript 模块导入
+import { animations } from './constants/animations';
+import { MessageTypes } from './constants/messageTypes';
+import { AVAILABLE_MODELS, DEFAULT_MODEL_ID } from './constants/models';
+import { MCP_TOOLS, TOOL_CATEGORIES, DEFAULT_SELECTED_TOOLS } from './constants/tools';
+import { quickQuestions } from './constants/quickQuestions';
 
 /**
  * Agent Chat - 主组件（HeroUI v3 深色主题）
+ *
+ * 注意：所有常量配置已提取到 constants/ 目录：
+ * - animations: constants/animations.ts
+ * - MessageTypes: constants/messageTypes.ts
+ * - AVAILABLE_MODELS: constants/models.ts
+ * - MCP_TOOLS, TOOL_CATEGORIES: constants/tools.ts
+ * - quickQuestions: constants/quickQuestions.ts
  */
 const AgentChat = () => {
   const { user } = useAuth();
@@ -385,14 +126,8 @@ const AgentChat = () => {
 
   // UI 状态
   const [searchQuery, setSearchQuery] = useState('');
-  const [selectedModel, setSelectedModel] = useState('kimi-k2-thinking');
-  const [selectedTools, setSelectedTools] = useState([
-    'search_news',
-    'search_china_news',
-    'search_concepts',
-    'search_limit_up_stocks',
-    'search_research_reports',
-  ]);
+  const [selectedModel, setSelectedModel] = useState(DEFAULT_MODEL_ID);
+  const [selectedTools, setSelectedTools] = useState(DEFAULT_SELECTED_TOOLS);
   const [isLeftSidebarOpen, setIsLeftSidebarOpen] = useState(true);
   const [isRightSidebarOpen, setIsRightSidebarOpen] = useState(true);
 
@@ -666,16 +401,11 @@ const AgentChat = () => {
       )
     : sessions;
 
-  const quickQuestions = [
-    { text: '今日涨停板块分析', emoji: '🔥' },
-    { text: '新能源概念机会', emoji: '⚡' },
-    { text: '半导体行业动态', emoji: '💾' },
-    { text: '本周热门研报', emoji: '📊' },
-  ];
+  // quickQuestions 已移动到 constants/quickQuestions.ts
 
   return (
-    <Box minH="100vh" bg="gray.900">
-      <Flex h="calc(100vh - 72px)" overflow="hidden" position="relative">
+    <Box flex={1} bg="gray.900">
+      <Flex h="100%" overflow="hidden" position="relative">
         {/* 背景渐变层 - 移到 Flex 内部 */}
         <Box
           position="absolute"