feat: 创建智能体时模型设置必填

src/pages/AgentEditor/components/CapabilitySettings.tsx

@@ -150,6 +150,17 @@ export default function CapabilitySettings({
               <Form.Item
                 name="model"
                 label="模型"
+                rules={[
+                  {
+                    validator: async (_rule, value) => {
+                      const selected = parseModelSelections(value);
+                      if (selected.length > 0) {
+                        return;
+                      }
+                      throw new Error('请选择至少一个模型');
+                    },
+                  },
+                ]}
                 className="mb-0"
                 getValueProps={(value) => ({ value: parseModelSelections(value) })}
               >