feat: 打手赠送会员（免费接单）独立表与抢单资格

新增 dashou_zengsong_huiyuan，与购买会员分离；抢单/抢单池认赠送有效会员；后台送/改期/移除接口，送时积分非10则改为10并写操作日志。

Co-authored-by: Cursor <cursoragent@cursor.com>

users/migrations/0005_dashou_zengsong_huiyuan.py

@@ -0,0 +1,33 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0004_user_shangjia_youzhi'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DashouZengsongHuiyuan',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False, verbose_name='记录ID')),
+                ('yonghu_id', models.CharField(db_index=True, max_length=7, verbose_name='打手用户ID')),
+                ('huiyuan_id', models.CharField(db_index=True, max_length=6, verbose_name='会员ID')),
+                ('daoqi_time', models.DateTimeField(db_index=True, verbose_name='到期时间')),
+                ('song_ren', models.CharField(max_length=30, verbose_name='赠送人账号')),
+                ('CreateTime', models.DateTimeField(auto_now_add=True, verbose_name='赠送时间')),
+                ('UpdateTime', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+            ],
+            options={
+                'verbose_name': '打手赠送会员',
+                'verbose_name_plural': '打手赠送会员',
+                'db_table': 'dashou_zengsong_huiyuan',
+                'indexes': [
+                    models.Index(fields=['yonghu_id', 'huiyuan_id'], name='dashou_zeng_yonghu__7a1c01_idx'),
+                    models.Index(fields=['yonghu_id', 'daoqi_time'], name='dashou_zeng_yonghu__8b2d02_idx'),
+                ],
+                'unique_together': {('yonghu_id', 'huiyuan_id')},
+            },
+        ),
+    ]

users/models.py

@@ -553,7 +553,31 @@ class Xiugaijilu(QModel):
         return f"修改记录-用户{self.yonghuid}"
 
 
+class DashouZengsongHuiyuan(QModel):
+    """
+    后台赠送会员（免费接单资格），与 Huiyuangoumai 购买会员完全分离。
+    仅用于抢单/抢单池资格；不参与提现正式会员校验。
+    """
+    id = models.AutoField(primary_key=True, verbose_name='记录ID')
+    yonghu_id = models.CharField(max_length=7, db_index=True, verbose_name='打手用户ID')
+    huiyuan_id = models.CharField(max_length=6, db_index=True, verbose_name='会员ID')
+    daoqi_time = models.DateTimeField(db_index=True, verbose_name='到期时间')
+    song_ren = models.CharField(max_length=30, verbose_name='赠送人账号')
+    CreateTime = models.DateTimeField(auto_now_add=True, verbose_name='赠送时间')
+    UpdateTime = models.DateTimeField(auto_now=True, verbose_name='更新时间')
 
+    class Meta:
+        db_table = 'dashou_zengsong_huiyuan'
+        verbose_name = '打手赠送会员'
+        verbose_name_plural = verbose_name
+        unique_together = [['yonghu_id', 'huiyuan_id']]
+        indexes = [
+            models.Index(fields=['yonghu_id', 'huiyuan_id']),
+            models.Index(fields=['yonghu_id', 'daoqi_time']),
+        ]
+
+    def __str__(self):
+        return f"赠送会员-用户{self.yonghu_id}-会员{self.huiyuan_id}"
 
 
 # yonghu/models.py - 新增排行榜模型