fix: init_free_customers allow owner org, use users.orgid as resellerid

wwwroot/api/init_free_customers.dspy

@@ -1,12 +1,15 @@
-"""Initialize discount_customer_bind for all users in current org.
-Users without a bind record get bind_type='3' (domain registration), sale_id=NULL."""
+"""Initialize discount_customer_bind for all users who don't have a bind record.
+Each user is bound to their own org (users.orgid) as resellerid, bind_type='3'."""
 userorgid = await get_userorgid()
-if not userorgid or userorgid == '0':
-    return {'widgettype': 'Error', 'options': {'title': 'Error', 'message': '仅机构用户可执行', 'timeout': 3}}
+if not userorgid:
+    return {'widgettype': 'Error', 'options': {'title': 'Error', 'message': '请先登录', 'timeout': 3}}
 
 count = 0
 async with DBPools().sqlorContext('sage') as sor:
-    # Get all users in this org
+    # Get all users (filtered by org if not owner)
+    if userorgid == '0':
+        users = await sor.sqlExe('SELECT id, orgid FROM users', {})
+    else:
         users = await sor.sqlExe(
             'SELECT id, orgid FROM users WHERE orgid = ${oid}$',
             {'oid': userorgid}