feat: 增强智能体模型调用兼容能力

- 增加模型流式开关和 HTTP 传输策略配置

- 使用 AgentScope 执行基础连接、流式与 VLM 双阶段验证

- 固定多模态校验图片并统一验证状态展示

easyflow-ui-admin/app/src/api/ai/llm.ts

@@ -37,6 +37,21 @@ export async function verifyModelConfig(id: string) {
   return api.get('/api/v1/model/verifyLlmConfig', { params: { id } });
 }
 
+export type ModelVerificationStageStatus =
+  | 'FAILED'
+  | 'PARTIAL'
+  | 'PASSED'
+  | 'SKIPPED';
+
+export interface ModelVerificationData {
+  dimension?: number;
+  effectiveHttpVersion?: string;
+  message?: string;
+  nonStreaming?: ModelVerificationStageStatus;
+  status?: ModelVerificationStageStatus;
+  streaming?: ModelVerificationStageStatus;
+}
+
 export interface ModelInvokeConfigPayload {
   id: string;
   invokeCode?: string;