consumer模块完成度95%，检查消费者前端bug并修复

doc_mall/consumer/sql/share_free_notifications.sql

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+-- =====================================================
+-- 分享免单通知消息 - 数据库执行语句
+-- =====================================================
+
+-- 1. 添加分享免单相关的通知类型说明
+-- ml_notifications 表的 type 字段可包含以下类型:
+-- 'system' - 系统通知
+-- 'promotion' - 优惠活动
+-- 'order' - 订单通知
+-- 'share_free' - 分享免单通知 (新增)
+
+-- 2. 创建分享免单通知的函数
+-- 当分享免单成功时，自动发送通知给用户
+CREATE OR REPLACE FUNCTION notify_share_free_success(
+  p_user_id UUID,
+  p_share_record_id UUID,
+  p_product_name VARCHAR,
+  p_reward_amount DECIMAL(10,2),
+  p_share_code VARCHAR
+)
+RETURNS VOID AS $$
+BEGIN
+  INSERT INTO ml_notifications (
+    user_id,
+    type,
+    title,
+    content,
+    icon_url,
+    link_url,
+    extra_data,
+    created_at
+  ) VALUES (
+    p_user_id,
+    'share_free',
+    '恭喜！您已获得免单奖励',
+    '您分享的商品【' || p_product_name || '】已有4位好友购买，获得免单奖励 ¥' || p_reward_amount || '！分享码：' || p_share_code,
+    '/static/icons/gift.png',
+    '/pages/mall/consumer/share/detail?id=' || p_share_record_id,
+    jsonb_build_object(
+      'share_record_id', p_share_record_id,
+      'product_name', p_product_name,
+      'reward_amount', p_reward_amount,
+      'share_code', p_share_code
+    ),
+    NOW()
+  );
+END;
+$$ LANGUAGE plpgsql;
+
+-- 3. 创建二级购买进度通知函数
+-- 当有人通过分享码购买时，发送进度通知
+CREATE OR REPLACE FUNCTION notify_share_purchase_progress(
+  p_user_id UUID,
+  p_share_record_id UUID,
+  p_product_name VARCHAR,
+  p_current_count INT,
+  p_required_count INT,
+  p_share_code VARCHAR
+)
+RETURNS VOID AS $$
+BEGIN
+  INSERT INTO ml_notifications (
+    user_id,
+    type,
+    title,
+    content,
+    icon_url,
+    link_url,
+    extra_data,
+    created_at
+  ) VALUES (
+    p_user_id,
+    'share_free',
+    '分享免单进度更新',
+    '您分享的商品【' || p_product_name || '】已有 ' || p_current_count || '/' || p_required_count || ' 人购买，再邀请 ' || (p_required_count - p_current_count) || ' 人即可免单！',
+    '/static/icons/share.png',
+    '/pages/mall/consumer/share/detail?id=' || p_share_record_id,
+    jsonb_build_object(
+      'share_record_id', p_share_record_id,
+      'product_name', p_product_name,
+      'current_count', p_current_count,
+      'required_count', p_required_count,
+      'share_code', p_share_code
+    ),
+    NOW()
+  );
+END;
+$$ LANGUAGE plpgsql;
+
+-- 4. 创建分享创建成功通知函数
+-- 当用户创建分享时，发送确认通知
+CREATE OR REPLACE FUNCTION notify_share_created(
+  p_user_id UUID,
+  p_share_record_id UUID,
+  p_product_name VARCHAR,
+  p_share_code VARCHAR
+)
+RETURNS VOID AS $$
+BEGIN
+  INSERT INTO ml_notifications (
+    user_id,
+    type,
+    title,
+    content,
+    icon_url,
+    link_url,
+    extra_data,
+    created_at
+  ) VALUES (
+    p_user_id,
+    'share_free',
+    '分享创建成功',
+    '您已成功分享商品【' || p_product_name || '】，分享码：' || p_share_code || '。邀请4位好友购买即可免单！',
+    '/static/icons/share-success.png',
+    '/pages/mall/consumer/share/detail?id=' || p_share_record_id,
+    jsonb_build_object(
+      'share_record_id', p_share_record_id,
+      'product_name', p_product_name,
+      'share_code', p_share_code
+    ),
+    NOW()
+  );
+END;
+$$ LANGUAGE plpgsql;
+
+-- 5. 示例：手动插入测试通知（可选）
+-- 替换 'YOUR_USER_ID' 为实际用户ID
+-- INSERT INTO ml_notifications (user_id, type, title, content, icon_url, link_url, extra_data, created_at)
+-- VALUES (
+--   'YOUR_USER_ID',
+--   'share_free',
+--   '恭喜！您已获得免单奖励',
+--   '您分享的商品【测试商品】已有4位好友购买，获得免单奖励 ¥99.00！分享码：ABCD1234',
+--   '/static/icons/gift.png',
+--   '/pages/mall/consumer/share/detail?id=test-share-id',
+--   '{"share_record_id": "test-share-id", "product_name": "测试商品", "reward_amount": 99.00, "share_code": "ABCD1234"}',
+--   NOW()
+-- );
+
+-- 6. 查询用户分享免单相关通知
+-- SELECT * FROM ml_notifications 
+-- WHERE type = 'share_free' 
+-- ORDER BY created_at DESC;