feat(vendor): 所属机构改logined_userorgid自动注入——表单不再手输;org_id移出编辑表单;endpoints字段加格式示例placeholder

json/llm_vendor_list.json

@@ -3,6 +3,7 @@
   "title": "模型供应商",
   "params": {
     "sortby": "name",
+    "logined_userorgid": "org_id",
     "browserfields": {
       "exclouded": [
         "id"
@@ -19,11 +20,15 @@
           "dataurl": "{{entire_url('../api/get_llm_status_options.dspy')}}",
           "valueField": "value",
           "textField": "text"
+        },
+        "endpoints": {
+          "placeholder": "[{\"base_url\": \"https://xxx/v1\", \"region\": \"domestic\", \"timeout\": 60}]"
         }
       }
     },
     "editexclouded": [
       "id",
+      "org_id",
       "created_at",
       "updated_at"
     ],