feat(app): 实现完整的财务管家记账聊天与统计功能

- 新增App主组件，实现聊天、账本、统计三大功能模块切换
- 支持语音及文本输入，自动解析记账信息并生成交易记录
- 交易记录支持编辑、删除、提醒等操作，数据本地持久化
- 管家性格预设和自定义设定，包含头像上传和语气调整
- 会话展示支持关联交易显示，样式区分收入与支出
- 账本页添加日期分组交易列表及饼图统计展示
- 消息列表实现渐变背景和交互动画，提升用户体验
- 支持图片上传并同步发送给AI进行解析记账
- 底部导航实现三标签切换并同步显示对应内容
- 全局事务编辑弹窗支持直接调用和删除操作
- 增加环境变量示例和.gitignore规则，完善工程配置

types.ts

@@ -0,0 +1,73 @@
+
+export enum TransactionType {
+  EXPENSE = 'expense',
+  INCOME = 'income',
+}
+
+export enum ExpenseCategory {
+  FOOD = '餐饮',
+  SHOPPING = '购物',
+  TRANSPORT = '交通',
+  HOUSING = '住房',
+  ENTERTAINMENT = '娱乐',
+  MEDICAL = '医疗',
+  SOCIAL = '人情',
+  EDUCATION = '学习',
+  FINANCE = '金融',
+  CHILD = '孩子',
+  PET = '宠物',
+  CAR = '汽车',
+  BEAUTY = '美容',
+  BUSINESS = '经营',
+  MISC = '杂项',
+}
+
+export enum IncomeCategory {
+  SALARY = '工资',
+  BONUS = '奖金',
+  INVESTMENT = '理财',
+  PARTTIME = '兼职',
+  GIFT = '红包',
+  OTHER = '其他收入',
+}
+
+export interface Transaction {
+  id: string;
+  item: string;
+  amount: number;
+  type: TransactionType;
+  category: string; // Takes values from ExpenseCategory or IncomeCategory
+  date: string; // ISO string YYYY-MM-DD
+  timestamp: number;
+}
+
+export interface Message {
+  id: string;
+  role: 'user' | 'assistant';
+  content: string;
+  timestamp: number;
+  relatedTransactionId?: string; // If this message created a transaction
+}
+
+export interface BillReminder {
+  id: string;
+  title: string;
+  amount?: number; // Made optional
+  frequency: 'monthly' | 'once';
+  targetDate: string; // 'DD' (e.g. "15") for monthly, or 'YYYY-MM-DD' for once
+  isCompleted: boolean;
+}
+
+// Global augmentation for Web Speech API
+declare global {
+  interface Window {
+    SpeechRecognition: any;
+    webkitSpeechRecognition: any;
+  }
+}
+
+export interface DailyStat {
+  date: string;
+  total: number;
+  breakdown: { name: string; value: number; fill: string }[];
+}