fix(rbac): 固化非促销码注册创建自由客户归属记录(bind_type=3)

wwwroot/user/register.dspy

@@ -48,6 +48,27 @@ async with db.sqlorContext(dbname) as sor:
             debug(f'register: customer {orgid} bound via promo_code {promo_code_id}')
         except Exception as e:
             exception(f'register: bind_customer failed for {orgid} via {promo_code_id}: {e}')
+    else:
+        # 非促销码注册: 创建自由客户归属记录 (bind_type=3 域名注册)
+        try:
+            reseller_id = parentid or '0'
+            async with DBPools().sqlorContext('discount') as disc_sor:
+                existing = await disc_sor.sqlExe(
+                    'SELECT id FROM discount_customer_bind WHERE customerid = ${cid}$',
+                    {'cid': orgid}
+                )
+                if not existing:
+                    await disc_sor.C('discount_customer_bind', {
+                        'id': getID(),
+                        'customerid': orgid,
+                        'resellerid': reseller_id,
+                        'sale_id': None,
+                        'promo_code_id': None,
+                        'bind_type': '3',
+                    })
+                    debug(f'register: free customer {orgid} bind created (reseller={reseller_id})')
+        except Exception as e:
+            exception(f'register: create free customer bind failed for {orgid}: {e}')
 
     # 注册成功后自动登录
     await remember_user(user.id, username=user.username, userorgid=user.orgid)