refactor(backend): 重构动物相关 API 接口

- 更新了动物数据结构和相关类型定义
- 优化了动物列表、详情、创建、更新和删除接口
- 新增了更新动物状态接口
- 移除了与认领记录相关的接口
-调整了 API 响应结构

init-database.js

@@ -77,7 +77,7 @@ CREATE TABLE IF NOT EXISTS jiebandata.travel_plans (
   interests TEXT,
   visibility ENUM('public', 'friends', 'private') NOT NULL DEFAULT 'public',
   created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  updated_at DATETIME NOT NULL DEFAULT CURRENT极ESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
   FOREIGN KEY (user_id) REFERENCES users(id),
   INDEX idx_user_id (user_id),
   INDEX idx_destination (destination),
@@ -85,11 +85,32 @@ CREATE TABLE IF NOT EXISTS jiebandata.travel_plans (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
 `;
 
+// 创建管理员表的SQL语句
+const createAdminsTableSQL = `
+CREATE TABLE IF NOT EXISTS jiebandata.admins (
+  id INT AUTO_INCREMENT PRIMARY KEY,
+  username VARCHAR(50) NOT NULL UNIQUE,
+  password VARCHAR(255) NOT NULL,
+  email VARCHAR(100),
+  nickname VARCHAR(50),
+  avatar VARCHAR(255),
+  role VARCHAR(20) NOT NULL DEFAULT 'admin',
+  status TINYINT(1) NOT NULL DEFAULT 1,
+  last_login DATETIME,
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  INDEX idx_username (username),
+  INDEX idx_role (role),
+  INDEX idx_status (status)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+`;
+
 // 所有表创建语句
 const tableCreationSQLs = [
   createUsersTableSQL,
   createMerchantsTableSQL,
-  createTravelPlansTableSQL
+  createTravelPlansTableSQL,
+  createAdminsTableSQL
 ];
 
 function executeSQL(connection, sql, description) {
@@ -149,6 +170,12 @@ async function initializeDatabase(config) {
       ('test_openid_2', '测试用户2', 'https://example.com/avatar2.jpg', 'female', '13800138002', 'user2@example.com')
     `, '插入示例用户数据');
 
+    // 插入示例管理员
+    await executeSQL(connection, `
+      INSERT IGNORE INTO admins (username, password, email, nickname, role) VALUES
+      ('admin', '$2a$10$rZ.r/.H0he7d.9T3.1E3qOeP.UZvF0.U6BQ35ENcQbLQzvEuh3dOq', 'admin@example.com', '超级管理员', 'admin')
+    `, '插入示例管理员数据');
+
     // 验证数据插入
     const [users] = await new Promise((resolve, reject) => {
       connection.query('SELECT COUNT(*) as count FROM users', (err, results) => {