feat: wait until llm processor is ready

main.py

@@ -35,6 +35,8 @@ def main():
     # if test flag set from args, process text
     print("trace: sys.argv", sys.argv)
     if any("--test-llm" in arg for arg in sys.argv):
+        while not llm_processor.initialized:
+            time.sleep(1)
         llm_processor.process_text("hello LLM", lambda result: print(f"\nLLM Response:\n{result}\n"))
     
     # Initialize speech-to-text if enabled