feat(marketing): implement recharge tiers and coupon management across admin, server, and uniapp

server/src/db/mysql.ts

@@ -337,6 +337,41 @@ export async function initDatabase(): Promise<void> {
       ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
     `);
 
+    // 18. 钱包充值阶梯与赠送配置表
+    await conn.query(`
+      CREATE TABLE IF NOT EXISTS recharge_tiers (
+        id INT PRIMARY KEY AUTO_INCREMENT,
+        amount DECIMAL(10,2) NOT NULL,
+        bonus_amount DECIMAL(10,2) DEFAULT 0.00,
+        tag VARCHAR(32) DEFAULT '',
+        sort_order INT DEFAULT 0,
+        status TINYINT DEFAULT 1,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+        INDEX idx_sort (sort_order),
+        INDEX idx_status (status)
+      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+    `);
+
+    // 19. 平台营销优惠券配置与发放表
+    await conn.query(`
+      CREATE TABLE IF NOT EXISTS coupons (
+        id INT PRIMARY KEY AUTO_INCREMENT,
+        name VARCHAR(64) NOT NULL,
+        discount_amount DECIMAL(10,2) NOT NULL,
+        min_spend DECIMAL(10,2) NOT NULL DEFAULT 0.00,
+        valid_days INT NOT NULL DEFAULT 7,
+        total_count INT NOT NULL DEFAULT 1000,
+        received_count INT NOT NULL DEFAULT 0,
+        category_limit VARCHAR(64) DEFAULT 'ALL',
+        description VARCHAR(255) DEFAULT '',
+        status TINYINT DEFAULT 1,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+        INDEX idx_status (status)
+      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+    `);
+
     // 初始化配置单条记录
     const [cfgRows]: any = await conn.query('SELECT COUNT(*) as count FROM finance_config WHERE id = 1');
     if (cfgRows[0].count === 0) {
@@ -564,4 +599,31 @@ async function seedInitialDataIfEmpty(conn: any): Promise<void> {
       (10, 'more', '全部活动', 'gridAll', 'bg-blue', 'all', '/pages/activity/list?category=ALL', '', 10, 1);
     `);
   }
+
+  // 15. 种子充值阶梯
+  const [tierRows]: any = await conn.query('SELECT COUNT(*) as count FROM recharge_tiers');
+  if (tierRows[0].count === 0) {
+    await conn.query(`
+      INSERT INTO recharge_tiers (id, amount, bonus_amount, tag, sort_order, status)
+      VALUES
+      (1, 50.00, 0.00, '基础充值', 1, 1),
+      (2, 100.00, 5.00, '热门畅享', 2, 1),
+      (3, 200.00, 15.00, '超值加赠', 3, 1),
+      (4, 500.00, 50.00, '尊享特惠', 4, 1),
+      (5, 1000.00, 120.00, '土豪专享', 5, 1);
+    `);
+  }
+
+  // 16. 种子平台优惠券
+  const [cpnRows]: any = await conn.query('SELECT COUNT(*) as count FROM coupons');
+  if (cpnRows[0].count === 0) {
+    await conn.query(`
+      INSERT INTO coupons (id, name, discount_amount, min_spend, valid_days, total_count, received_count, category_limit, description, status)
+      VALUES
+      (1, '新用户注册专享立减券', 20.00, 50.00, 15, 2000, 128, 'ALL', '全品类陪玩及同城组局满50可用', 1),
+      (2, '周末同城聚会AA抵扣券', 15.00, 80.00, 7, 1000, 85, 'MEAL', '仅限同城美食探店组局活动使用', 1),
+      (3, '工体K歌麦霸欢唱减免券', 30.00, 120.00, 10, 800, 62, 'SING', '仅限KTV陪唱预约与活动使用', 1),
+      (4, '电竞开黑连胜冲星券', 10.00, 30.00, 30, 5000, 340, 'ALL', '线上游戏陪玩下单立减', 1);
+    `);
+  }
 }