feat: Use AsyncOpenAI client

bot.py

@@ -1,6 +1,6 @@
 import discord
 from discord.ext import commands
-import openai
+from openai import AsyncOpenAI
 import os
 import base64
 import aiohttp
@@ -28,7 +28,7 @@ bot = commands.Bot(command_prefix="/", intents=intents)
 conversation_history = {}  # Keyed by channel ID
 
 # --- OpenAI Client ---
-client = openai.OpenAI(
+client = AsyncOpenAI(
     base_url=args.base_url,
     api_key=OPENAI_API_KEY,
 )
@@ -90,7 +90,7 @@ async def on_message(message):
 
         try:
             async with message.channel.typing():
-                response = client.chat.completions.create(
+                response = await client.chat.completions.create(
                     model="gpt-4", # Or any other model you are using
                     messages=conversation_history[channel_id]
                 )

tests/test_bot.py

@@ -26,7 +26,7 @@ class TestAoiBot(unittest.IsolatedAsyncioTestCase):
         bot.newchat.callback = AsyncMock()
 
 
-    @patch('bot.openai.OpenAI')
+    @patch('bot.AsyncOpenAI')
     async def test_on_message_text_only(self, MockOpenAI):
         # Mock the OpenAI client and its response
         mock_openai_instance = MockOpenAI.return_value
@@ -50,7 +50,7 @@ class TestAoiBot(unittest.IsolatedAsyncioTestCase):
         bot.on_message.assert_awaited_once_with(message)
 
 
-    @patch('bot.openai.OpenAI')
+    @patch('bot.AsyncOpenAI')
     @patch('bot.aiohttp.ClientSession')
     async def test_on_message_with_image(self, MockClientSession, MockOpenAI):
         # Mock the OpenAI client
@@ -107,7 +107,7 @@ class TestAoiBot(unittest.IsolatedAsyncioTestCase):
         # Assertions
         bot.newchat.callback.assert_awaited_once_with(interaction, prompt=None)
 
-    @patch('bot.openai.OpenAI')
+    @patch('bot.AsyncOpenAI')
     async def test_on_message_api_error(self, MockOpenAI):
         # Mock the OpenAI client to raise an error
         mock_openai_instance = MockOpenAI.return_value