feat: init_free_customers.dspy + button in free_customer_assign

wwwroot/api/init_free_customers.dspy

@@ -0,0 +1,42 @@
+"""Initialize discount_customer_bind for all users in current org.
+Users without a bind record get bind_type='3' (domain registration), sale_id=NULL."""
+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}}
+
+count = 0
+async with DBPools().sqlorContext('sage') as sor:
+    # Get all users in this org
+    users = await sor.sqlExe(
+        'SELECT id, orgid FROM users WHERE orgid = ${oid}$',
+        {'oid': userorgid}
+    )
+    if not users:
+        return {'widgettype': 'Message', 'options': {'title': '提示', 'message': '该机构下无用户', 'type': 'warning', 'timeout': 3}}
+
+    async with DBPools().sqlorContext('discount') as disc_sor:
+        for u in users:
+            existing = await disc_sor.sqlExe(
+                'SELECT id FROM discount_customer_bind WHERE customerid = ${cid}$',
+                {'cid': u.id}
+            )
+            if not existing:
+                await disc_sor.C('discount_customer_bind', {
+                    'id': getID(),
+                    'customerid': u.id,
+                    'resellerid': userorgid,
+                    'sale_id': None,
+                    'promo_code_id': None,
+                    'bind_type': '3',
+                })
+                count += 1
+
+return {
+    'widgettype': 'Message',
+    'options': {
+        'title': '初始化完成',
+        'message': f'共 {len(users)} 个用户，新增 {count} 条自由客户记录',
+        'type': 'success',
+        'timeout': 0
+    }
+}

wwwroot/free_customer_assign/index.ui

@@ -11,6 +11,22 @@
                 "fontSize": "16px", "fontWeight": "600", "color": "#F1F5F9", "padding": "8px 12px"
             }
         },
+        {
+            "widgettype": "HBox",
+            "options": {"padding": "4px 12px", "alignItems": "center"},
+            "subwidgets": [
+                {
+                    "widgettype": "Button",
+                    "options": {"label": "初始化自由客户", "css": "primary", "fontSize": "12px", "padding": "4px 12px", "borderRadius": "4px"},
+                    "binds": [{
+                        "wid": "self", "event": "click",
+                        "actiontype": "urlwidget", "target": "app.sage_main_content",
+                        "mode": "replace",
+                        "options": {"url": "{{entire_url('/discount/api/init_free_customers.dspy')}}", "method": "POST"}
+                    }]
+                }
+            ]
+        },
         {
             "widgettype": "HBox",
             "options": {"bgcolor": "#0F172A", "padding": "8px 0", "borderRadius": "6px 6px 0 0", "alignItems": "center", "width": "100%"},