feat(类型): 添加智能摘要功能类型定义

- 定义摘要长度类型 (short/standard/detailed)
- 定义摘要风格类型 (bullet/narrative)
- 添加摘要状态、数据等接口定义
- 配置摘要长度和风格的默认选项
- 导出模块入口文件

src/components/features/SummaryGenerator/index.ts

@@ -0,0 +1,31 @@
+/**
+ * 智能摘要功能模块
+ *
+ * 提供 AI 自动生成对话摘要的能力
+ */
+
+// 组件导出
+export { SummaryButton } from './SummaryButton';
+export { SummaryModal } from './SummaryModal';
+export { SummaryOptions } from './SummaryOptions';
+export { SummaryContent } from './SummaryContent';
+
+// Hook 导出
+export { useSummary } from './useSummary';
+
+// 类型导出
+export type {
+  SummaryLength,
+  SummaryStyle,
+  SummaryOptions as SummaryOptionsType,
+  SummaryStatus,
+  SummaryData,
+  SummaryMessage,
+  GenerateSummaryRequest,
+  GenerateSummaryResponse,
+  UseSummaryReturn,
+  ModalView,
+} from './types';
+
+// 常量导出
+export { SUMMARY_LENGTH_CONFIG, SUMMARY_STYLE_CONFIG } from './types';

src/components/features/SummaryGenerator/types.ts

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+/**
+ * 智能摘要功能类型定义
+ */
+
+// 摘要长度选项
+export type SummaryLength = 'short' | 'standard' | 'detailed';
+
+// 摘要风格选项
+export type SummaryStyle = 'bullet' | 'narrative';
+
+// 摘要生成选项
+export interface SummaryOptions {
+  length: SummaryLength;
+  style: SummaryStyle;
+}
+
+// 摘要长度配置
+export const SUMMARY_LENGTH_CONFIG: Record<SummaryLength, { label: string; description: string; maxWords: number }> = {
+  short: { label: '简短', description: '约50字的核心要点', maxWords: 50 },
+  standard: { label: '标准', description: '约150字的详细摘要', maxWords: 150 },
+  detailed: { label: '详细', description: '约300字的完整分析', maxWords: 300 },
+};
+
+// 摘要风格配置
+export const SUMMARY_STYLE_CONFIG: Record<SummaryStyle, { label: string; description: string }> = {
+  bullet: { label: '要点式', description: '结构化的要点列表' },
+  narrative: { label: '叙述式', description: '连贯的段落描述' },
+};
+
+// 摘要生成状态
+export type SummaryStatus = 'idle' | 'generating' | 'completed' | 'error';
+
+// 摘要数据
+export interface SummaryData {
+  content: string;           // 摘要内容（Markdown）
+  generatedAt: Date;         // 生成时间
+  messageCount: number;      // 分析的消息数
+  options: SummaryOptions;   // 生成时使用的选项
+}
+
+// 摘要生成请求
+export interface GenerateSummaryRequest {
+  conversationId: string;
+  options: SummaryOptions;
+}
+
+// 摘要生成响应
+export interface GenerateSummaryResponse {
+  success: boolean;
+  summary?: string;
+  error?: string;
+  messageCount?: number;
+}
+
+// useSummary Hook 返回类型
+export interface UseSummaryReturn {
+  // 状态
+  status: SummaryStatus;
+  summary: SummaryData | null;
+  error: string | null;
+  streamingContent: string;
+
+  // 选项
+  options: SummaryOptions;
+  setOptions: (options: Partial<SummaryOptions>) => void;
+
+  // 操作
+  generate: (conversationId: string, messages: SummaryMessage[]) => Promise<void>;
+  reset: () => void;
+  saveSummary: (conversationId: string) => Promise<boolean>;
+}
+
+// 用于摘要生成的消息格式
+export interface SummaryMessage {
+  role: 'user' | 'assistant';
+  content: string;
+}
+
+// Modal 状态
+export type ModalView = 'options' | 'generating' | 'result';