Feat: tenant llm provider (#14595)

### What problem does this PR solve?

Python implementation of the Go-based model_provider API suite.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Co-authored-by: bill <yibie_jingnian@163.com>

web/src/interfaces/database/llm.ts

@@ -40,3 +40,41 @@ export interface Llm {
   status: '0' | '1';
   used_token: number;
 }
+
+export interface IAvailableProvider {
+  name: string;
+  model_types: string[];
+  url: { default?: string; [key: string]: string | undefined };
+}
+
+export interface IProviderInstance {
+  api_key: string;
+  id: string;
+  instance_name: string;
+  provider_id: string;
+  region: string;
+  status: string;
+}
+export interface IAddedModel {
+  model_type: string[];
+  name: string;
+  provider_id: string;
+  provider_name: string;
+  instance_id: string;
+  instance_name: string;
+}
+
+export interface IInstanceModel {
+  max_tokens: number;
+  model_type: string[];
+  name: string;
+  status: string;
+}
+
+export interface IDefaultModel {
+  enable: boolean;
+  model_instance: string;
+  model_name: string;
+  model_provider: string;
+  model_type: string;
+}

web/src/interfaces/request/llm.ts

@@ -1,7 +1,7 @@
 export interface IAddLlmRequestBody {
   llm_factory: string; // Ollama
   llm_name: string;
-  model_type: string;
+  model_type: string | string[];
   api_base?: string; // chat|embedding|speech2text|image2text
   api_key?: string | Record<string, any>;
   max_tokens: number;
@@ -12,3 +12,50 @@ export interface IDeleteLlmRequestBody {
   llm_factory: string; // Ollama
   llm_name?: string;
 }
+
+export interface IListProvidersRequestParams {
+  available?: boolean;
+}
+
+export interface IAddProviderRequestBody {
+  provider_name: string;
+}
+
+export type IAddProviderInstanceRequestBody = IAddLlmRequestBody & {
+  instance_name: string;
+};
+
+export interface IDeleteProviderInstanceRequestBody {
+  provider_name: string;
+  instances: string[];
+}
+
+export interface IShowProviderInstanceRequestParams {
+  provider_name: string;
+  instance_name: string;
+}
+
+export interface IAddInstanceModelRequestBody {
+  model_name: string;
+  model_type: string[];
+  max_tokens: number;
+  extra?: Record<string, any>;
+}
+
+export interface IListAllModelsRequestParams {
+  type?: string;
+}
+
+export interface IUpdateModelStatusRequestBody {
+  provider_name: string;
+  instance_name: string;
+  model_name: string;
+  status: 'active' | 'inactive';
+}
+
+export interface ISetDefaultModelRequestBody {
+  model_provider: string;
+  model_instance: string;
+  model_type: string;
+  model_name: string;
+}