feat: 增加服务商远端模型发现与一键添加

- 支持 OpenAI 兼容、Ollama 和阿里百炼模型目录适配

- 使用静态模型库识别能力并过滤未接入的生成模型

- 增加扁平模型列表、搜索筛选和幂等添加

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

@@ -37,6 +37,47 @@ export async function verifyModelConfig(id: string) {
   return api.get('/api/v1/model/verifyLlmConfig', { params: { id } });
 }
 
+export type ModelCapabilitySource = 'CATALOG' | 'DEFAULT' | 'RULE';
+
+export interface RemoteModelDescriptor {
+  addable: boolean;
+  added: boolean;
+  capabilitySource: ModelCapabilitySource;
+  displayName: string;
+  family: string;
+  modelId: string;
+  modelType: 'chatModel' | 'embeddingModel' | 'rerankModel';
+  supportImage?: boolean | null;
+  supportThinking?: boolean | null;
+  supportTool?: boolean | null;
+  unavailableReason?: null | string;
+}
+
+export interface RemoteModelListData {
+  models: RemoteModelDescriptor[];
+  providerId: string;
+  truncated: boolean;
+}
+
+export type RemoteModelImportStatus = 'ALREADY_EXISTS' | 'CREATED';
+
+export interface RemoteModelImportData {
+  localModelId: string;
+  modelId: string;
+  modelType: RemoteModelDescriptor['modelType'];
+  status: RemoteModelImportStatus;
+}
+
+export async function getRemoteModels(providerId: string) {
+  return api.get(`/api/v1/modelProvider/${providerId}/remoteModels`);
+}
+
+export async function importRemoteModel(providerId: string, modelId: string) {
+  return api.post(`/api/v1/modelProvider/${providerId}/remoteModels/import`, {
+    modelId,
+  });
+}
+
 export type ModelVerificationStageStatus =
   | 'FAILED'
   | 'PARTIAL'