fix(provider): Fix provider modules for consistency

ts/provider.openai.ts

@@ -1,10 +1,20 @@
 import * as plugins from './plugins.js';
 import * as paths from './paths.js';
 
+// Custom type definition for chat completion messages
+export type TChatCompletionRequestMessage = { 
+  role: "system" | "user" | "assistant"; 
+  content: string; 
+};
+
 import { MultiModalModel } from './abstract.classes.multimodal.js';
 
 export interface IOpenaiProviderOptions {
   openaiToken: string;
+  chatModel?: string;
+  audioModel?: string;
+  visionModel?: string;
+  // Optionally add more model options (e.g., documentModel) if needed.
 }
 
 export class OpenAiProvider extends MultiModalModel {
@@ -31,11 +41,14 @@ export class OpenAiProvider extends MultiModalModel {
     // Create a TextDecoder to handle incoming chunks
     const decoder = new TextDecoder();
     let buffer = '';
-    let currentMessage: { role: string; content: string; } | null = null;
+    let currentMessage: { 
+      role: "function" | "user" | "system" | "assistant" | "tool" | "developer"; 
+      content: string; 
+    } | null = null;
 
     // Create a TransformStream to process the input
     const transform = new TransformStream<Uint8Array, string>({
-      async transform(chunk, controller) {
+      transform: async (chunk, controller) => {
         buffer += decoder.decode(chunk, { stream: true });
 
         // Try to parse complete JSON messages from the buffer
@@ -50,7 +63,7 @@ export class OpenAiProvider extends MultiModalModel {
             try {
               const message = JSON.parse(line);
               currentMessage = {
-                role: message.role || 'user',
+                role: (message.role || 'user') as "function" | "user" | "system" | "assistant" | "tool" | "developer",
                 content: message.content || '',
               };
             } catch (e) {
@@ -61,9 +74,11 @@ export class OpenAiProvider extends MultiModalModel {
 
         // If we have a complete message, send it to OpenAI
         if (currentMessage) {
+          const messageToSend = { role: "user" as const, content: currentMessage.content };
           const stream = await this.openAiApiClient.chat.completions.create({
-            model: 'gpt-4',
-            messages: [{ role: currentMessage.role, content: currentMessage.content }],
+            model: this.options.chatModel ?? 'o3-mini',
+            temperature: 0,
+            messages: [messageToSend],
             stream: true,
           });
 
@@ -105,8 +120,8 @@ export class OpenAiProvider extends MultiModalModel {
     }[];
   }) {
     const result = await this.openAiApiClient.chat.completions.create({
-      model: 'gpt-4o',
-
+      model: this.options.chatModel ?? 'o3-mini',
+      temperature: 0,
       messages: [
         { role: 'system', content: optionsArg.systemMessage },
         ...optionsArg.messageHistory,
@@ -122,7 +137,7 @@ export class OpenAiProvider extends MultiModalModel {
   public async audio(optionsArg: { message: string }): Promise<NodeJS.ReadableStream> {
     const done = plugins.smartpromise.defer<NodeJS.ReadableStream>();
     const result = await this.openAiApiClient.audio.speech.create({
-      model: 'tts-1-hd',
+      model: this.options.audioModel ?? 'o3-mini',
       input: optionsArg.message,
       voice: 'nova',
       response_format: 'mp3',
@@ -163,8 +178,8 @@ export class OpenAiProvider extends MultiModalModel {
     );
 
     const result = await this.openAiApiClient.chat.completions.create({
-      model: 'gpt-4o',
-      // response_format: { type: "json_object" }, // not supported for now
+      model: this.options.chatModel ?? 'o3-mini',
+      temperature: 0,
       messages: [
         { role: 'system', content: optionsArg.systemMessage },
         ...optionsArg.messageHistory,
@@ -195,7 +210,8 @@ export class OpenAiProvider extends MultiModalModel {
 
   public async vision(optionsArg: { image: Buffer; prompt: string }): Promise<string> {
     const result = await this.openAiApiClient.chat.completions.create({
-      model: 'gpt-4-vision-preview',
+      model: this.options.visionModel ?? 'o3-mini',
+      temperature: 0,
       messages: [
         {
           role: 'user',
@@ -215,4 +231,4 @@ export class OpenAiProvider extends MultiModalModel {
 
     return result.choices[0].message.content || '';
   }
-}
+}