support for custom baseURL for OpenAI

fix messages' type in context chain

src/commands/openai-chat.ts

@@ -39,7 +39,7 @@ export class OpenAIChat extends ChatCommand {
         const chatMessages = messageParts.map(part => {
             const content = [];
             content.push({
-                type: "input_text",
+                type: part.bot ? "output_text" : "input_text",
                 text: (Environment.USE_NAMES_IN_PROMPT && !part.bot ? `MESSAGE FROM USER "${part.name}":\n` : "") + part.content,
             });
 

src/common/environment.ts

@@ -39,6 +39,7 @@ export class Environment {
     static MISTRAL_API_KEY?: string;
     static MISTRAL_MODEL: string;
 
+    static OPENAI_BASE_URL?: string;
     static OPENAI_API_KEY?: string;
     static OPENAI_MODEL: string;
 
@@ -79,6 +80,7 @@ export class Environment {
         Environment.MISTRAL_API_KEY = process.env.MISTRAL_API_KEY;
         Environment.MISTRAL_MODEL = process.env.MISTRAL_MODEL || "mistral-small-latest";
 
+        Environment.OPENAI_BASE_URL = process.env.OPENAI_BASE_URL;
         Environment.OPENAI_API_KEY = process.env.OPENAI_API_KEY;
         Environment.OPENAI_MODEL = process.env.OPENAI_MODEL || "gpt-4.1-nano";
     }

src/index.ts

@@ -92,7 +92,7 @@ export let botUser: User;
 
 export const googleAi = new GoogleGenAI({apiKey: Environment.GEMINI_API_KEY});
 export const mistralAi = new Mistral({apiKey: Environment.MISTRAL_API_KEY});
-export const openAi = new OpenAI({apiKey: Environment.OPENAI_API_KEY});
+export const openAi = new OpenAI({apiKey: Environment.OPENAI_API_KEY, baseURL: Environment.OPENAI_BASE_URL});
 
 export const ollama = new Ollama({
     host: Environment.OLLAMA_ADDRESS,