refactor(chat): replace direct property access with getChatOptions method in CustomModelProvider and update GenuiChat initialization

Author: yy-wow

packages/frameworks/vue/src/chat/CustomModelProvider.ts

@@ -25,7 +25,9 @@ async function readChunk(reader: ReadableStreamDefaultReader<Uint8Array>, handle
   }
   return true;
 }
-export interface ICustomModelProviderOptions {
+
+/** 与 {@link chat} 入参对齐的选项；由调用方在每次请求前给出当前值（与 props / 状态同步） */
+export interface ICustomModelChatOptions {
   url: string;
   model: string;
   temperature: number;
@@ -36,58 +38,47 @@ export interface ICustomModelProviderOptions {
   customActions: ICustomActionItem[];
   customFetch?: CustomFetch;
 }
+
+export interface ICustomModelProviderOptions {
+  getChatOptions: () => ICustomModelChatOptions;
+}
+
 export class CustomModelProvider extends BaseModelProvider {
-  private url: string;
-  private model: string;
-  private temperature: number;
-  private customComponents: ICustomComponentItem[];
-  private customSnippets: IGenPromptSnippet[];
-  private customExamples: IGenPromptExample[];
-  private customActions: ICustomActionItem[];
-  private chatConfig: IChatConfig;
-  private customFetch?: CustomFetch;
+  private getChatOptions: () => ICustomModelChatOptions;
   protected responseHandlers: IResponseHandler<IStreamData>[] = [];
-  constructor({ url, model, temperature, chatConfig, customComponents, customSnippets, customExamples, customActions, customFetch }: ICustomModelProviderOptions) {
+  constructor({ getChatOptions }: ICustomModelProviderOptions) {
     super({ provider: 'custom' });
-    this.url = url;
-    this.model = model;
-    this.temperature = temperature;
-    this.customComponents = customComponents;
-    this.customSnippets = customSnippets;
-    this.customExamples = customExamples;
-    this.customActions = customActions;
-    this.chatConfig = chatConfig;
-    this.customFetch = customFetch;
+    this.getChatOptions = getChatOptions;
   }
   validateRequest(_: ChatCompletionRequest) { }
 
-  changeLlmConfig(model: string, temperature: number) {
-    this.model = model;
-    this.temperature = temperature;
-  }
-
-  setCustomExamples(customExamples: IGenPromptExample[]) {
-    this.customExamples = customExamples;
-  }
   setResponseHandlers(handlers: IResponseHandler<IStreamData>[]) {
     this.responseHandlers = handlers;
   }
 
   async getData(request: ChatCompletionRequest) {
-    return await chat(
-      {
-        url: this.url,
-        messages: request.messages,
-        model: this.model,
-        temperature: this.temperature,
-        signal: request.options?.signal,
-        customComponents: this.customComponents,
-        customSnippets: this.customSnippets,
-        customExamples: this.customExamples,
-        customActions: this.customActions,
-        customFetch: this.customFetch,
-      }
-    );
+    const {
+      url,
+      model,
+      temperature,
+      customComponents,
+      customSnippets,
+      customExamples,
+      customActions,
+      customFetch,
+    } = this.getChatOptions();
+    return await chat({
+      url,
+      messages: request.messages,
+      model,
+      temperature,
+      signal: request.options?.signal,
+      customComponents,
+      customSnippets,
+      customExamples,
+      customActions,
+      customFetch,
+    });
   }
 
   async chat(_: ChatCompletionRequest) {
@@ -108,7 +99,8 @@ export class CustomModelProvider extends BaseModelProvider {
     const reader = bodyStream.getReader();
 
     const context: any = {};
-    context.chatConfig = this.chatConfig;
+    const { chatConfig } = this.getChatOptions();
+    context.chatConfig = chatConfig;
 
     const signal = request.options?.signal;
     signal?.addEventListener('abort',

packages/frameworks/vue/src/chat/GenuiChat.vue

@@ -242,15 +242,17 @@ const responseHandlers: Ref<IResponseHandler<IStreamData>[]> = ref(defaultRespon
 
 
 const customModelProvider = new CustomModelProvider({
-  url: props.url,
-  model: props.model || '',
-  temperature: props.temperature ?? 0.3,
-  chatConfig: props.chatConfig || { addToolCallContext: false, showThinkingResult: false },
-  customComponents: props.customComponents || [],
-  customSnippets: props.customSnippets || [],
-  customExamples: props.customExamples || [],
-  customActions: [...(props.customActions || []), continueChatAction, saveStateAction],
-  customFetch: props.customFetch,
+  getChatOptions: () => ({
+    url: props.url,
+    model: props.model || '',
+    temperature: props.temperature ?? 0.3,
+    chatConfig: props.chatConfig || { addToolCallContext: false, showThinkingResult: false },
+    customComponents: props.customComponents || [],
+    customSnippets: props.customSnippets || [],
+    customExamples: props.customExamples || [],
+    customActions: [...(props.customActions || []), continueChatAction, saveStateAction],
+    customFetch: props.customFetch,
+  }),
 });
 customModelProvider.setResponseHandlers(responseHandlers.value);
 
@@ -461,21 +463,6 @@ watch(
   },
 );
 
-watch(
-  () => [props.model, props.temperature],
-  () => {
-    customModelProvider.changeLlmConfig(props.model || '', props.temperature ?? 0.3);
-  },
-);
-
-watch(
-  () => props.customExamples,
-  (examples) => {
-    customModelProvider.setCustomExamples(examples ?? []);
-  },
-  { deep: true },
-);
-
 defineExpose({
   setInputMessage,
   handleNewConversation,