Update tools and requirements

requirements.txt

@@ -5,4 +5,5 @@ smolagents[openai]
 duckduckgo-search
 youtube-transcript-api
 pytesseract
-pillow
+pillow
+assemblyai

tools.py

@@ -130,12 +130,14 @@ class AudioTranscriptionTool(Tool):
     output_type = "string"
 
     def forward(self, path: str, model: str = "whisper-1") -> str:
-        import openai
+        import assemblyai as aai
+        aai.settings.api_key = os.getenv("ASSEMBLY_AI_API_KEY")
+        config = aai.TranscriptionConfig(speech_model=aai.SpeechModel.best)
         if not os.path.isfile(path):
             raise FileNotFoundError(path)
-        client = openai.OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
-        with open(path, "rb") as fp:
-            transcript = client.audio.transcriptions.create(model=model, file=fp)
+        transcript = aai.Transcriber(config=config).transcribe(data=path)
+        if transcript.status == "error":
+            raise RuntimeError(f"Transcription failed: {transcript.error}")
         return str(transcript.text.strip())
 
 # ---- 5. SimpleOCRTool ------------------------------------------------------