ai: Fix missing libraries needed for error handling.

* httpx
* aiohttp

Silence ...not defined in the logs.

src/core/server.py

@@ -16,6 +16,8 @@ from src.utils.reasoning import reasoning_tag_open, reasoning_tag_close  # Impor
 from src.utils.instruction import set_instructions  # Import function to generate system instructions based on mode and time
 from src.core.transport.httpx import httpx_transport  # Import primary HTTP transport method using httpx for streaming
 from src.core.transport.aiohttp import aiohttp_transport  # Import fallback HTTP transport method using aiohttp
+import httpx  # Import httpx module for exception handling of HTTP status error
+import aiohttp  # Import aiohttp module for exception handling of client response error
 
 # Define the main asynchronous function to communicate with AI server and stream responses
 async def jarvis(