feat: default model setting

apps/application/migrations/0018_application_default_model_setting_and_more.py

@@ -0,0 +1,73 @@
+# Generated by Django 6.1 on 2026-09-09 09:28
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("application", "0017_application_is_portal_and_more"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="application",
+            name="default_model_setting",
+            field=models.JSONField(default=dict, verbose_name="默认模型"),
+        ),
+        migrations.AddField(
+            model_name="applicationversion",
+            name="default_model_setting",
+            field=models.JSONField(default=dict, verbose_name="默认模型"),
+        ),
+        migrations.AlterField(
+            model_name="applicationchatuserstats",
+            name="chat_user_type",
+            field=models.CharField(
+                choices=[
+                    ("ANONYMOUS_USER", "匿名用户"),
+                    ("CHAT_USER", "对话用户"),
+                    ("SYSTEM_API_KEY", "系统API_KEY"),
+                    ("APPLICATION_API_KEY", "应用API_KEY"),
+                    ("PLATFORM_USER", "平台用户"),
+                    ("SYSTEM_USER", "系统用户"),
+                ],
+                default="ANONYMOUS_USER",
+                max_length=64,
+                verbose_name="对话用户类型",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="chat",
+            name="chat_user_type",
+            field=models.CharField(
+                choices=[
+                    ("ANONYMOUS_USER", "匿名用户"),
+                    ("CHAT_USER", "对话用户"),
+                    ("SYSTEM_API_KEY", "系统API_KEY"),
+                    ("APPLICATION_API_KEY", "应用API_KEY"),
+                    ("PLATFORM_USER", "平台用户"),
+                    ("SYSTEM_USER", "系统用户"),
+                ],
+                default="ANONYMOUS_USER",
+                max_length=64,
+                verbose_name="客户端类型",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="chat",
+            name="execute_type",
+            field=models.CharField(
+                choices=[
+                    ("ANONYMOUS_USER", "匿名用户"),
+                    ("CHAT_USER", "对话用户"),
+                    ("SYSTEM_API_KEY", "系统API_KEY"),
+                    ("APPLICATION_API_KEY", "应用API_KEY"),
+                    ("PLATFORM_USER", "平台用户"),
+                    ("SYSTEM_USER", "系统用户"),
+                ],
+                default="CHAT",
+                max_length=64,
+                verbose_name="执行类型",
+            ),
+        ),
+    ]

apps/application/models/application.py

@@ -128,6 +128,7 @@ class Application(AppModelMixin):
     long_term_model_params_setting = models.JSONField(verbose_name="长期记忆模型参数相关设置", default=dict)
     long_term_trigger_type = models.CharField(verbose_name="长期记忆触发类型", default="ROUND")
     long_term_trigger_setting = models.JSONField(verbose_name="长期记忆触发配置", default=dict)
+    default_model_setting = models.JSONField(verbose_name="默认模型", default=dict)
 
     @staticmethod
     def get_default_model_prompt():
@@ -218,6 +219,7 @@ class ApplicationVersion(AppModelMixin):
     long_term_trigger_type = models.CharField(verbose_name="长期记忆触发类型", default="ROUND")
     long_term_trigger_setting = models.JSONField(verbose_name="长期记忆触发配置", default=dict)
     knowledge_ids = models.JSONField(verbose_name="数据集id列表", default=list)
+    default_model_setting = models.JSONField(verbose_name="默认模型", default=dict)
 
     class Meta:
         db_table = "application_version"

apps/application/serializers/application.py

@@ -426,6 +426,7 @@ def to_application_model(user_id: str, workspace_id: str, application: Dict):
                 file_upload_enable=application.get("file_upload_enable", False),
                 file_upload_setting=application.get("file_upload_setting", {}),
                 work_flow=default_workflow,
+                default_model_setting=application.get("default_model_setting", {}),
             )
 
     class SimplateRequest(serializers.Serializer):
@@ -714,6 +715,9 @@ class ApplicationEditSerializer(serializers.Serializer):
     )
     # 数据集相关设置
     knowledge_setting = KnowledgeSettingSerializer(required=False, allow_null=True, label=_("Dataset settings"))
+
+    default_model_setting = serializers.DictField(required=False, label=_("Default model setting"))
+
     # 模型相关设置
     model_setting = ModelSettingSerializer(required=False, allow_null=True, label=_("Model setup"))
     # 问题补全
@@ -1245,6 +1249,7 @@ def reset_application_version(application_version, application):
             "skill_tool_ids": "skill_tool_ids",
             "mcp_output_enable": "mcp_output_enable",
             "type": "type",
+            "default_model_setting": "default_model_setting",
         }
 
         for version_field, app_field in update_field_dict.items():
@@ -1470,6 +1475,7 @@ def edit(self, instance: Dict, with_valid=True):
             "clean_time",
             "file_clean_time",
             "folder_id",
+            "default_model_setting",
         ]
         for update_key in update_keys:
             if update_key in instance and instance.get(update_key) is not None:

apps/chat/serializers/chat.py

@@ -268,6 +268,7 @@ def chat_work_flow(self, application, instance: dict, base_to_response):
         position = instance.get("position")
         chunk_id = instance.get("chunk_id")
         debug = self.data.get("debug", False)
+        default_model_setting = application.default_model_setting or {}
 
         # 对话用户信息（asker 取自 form_data）
         chat_user = resolve_chat_user(chat_user_id, chat_user_type, asker=form_data.get("asker"))
@@ -307,6 +308,7 @@ def chat_work_flow(self, application, instance: dict, base_to_response):
             "audio_list": audio_list or [],
             "video_list": video_list or [],
             "other_list": other_list or [],
+            "default_model_setting": default_model_setting,
         }
 
         result_queue = queue.Queue()