🔧(backend) rename OpenAI settings to WhisperX to avoid confusion

Rename incorrectly named OpenAI configuration settings since
they're used to instantiate WhisperX client which is not OpenAI
compatible, preventing confusion about actual service dependencies.

src/summary/summary/core/analytics.py

@@ -114,7 +114,7 @@ class MetadataManager:
 
         initial_metadata = {
             "start_time": time.time(),
-            "asr_model": settings.openai_asr_model,
+            "asr_model": settings.whisperx_asr_model,
             "retries": 0,
         }
 

src/summary/summary/core/celery_worker.py

@@ -215,19 +215,19 @@ def process_audio_transcribe_summarize_v2(
         logger.error(error_msg)
         raise AudioValidationError(error_msg)
 
-    logger.info("Initiating OpenAI client")
-    openai_client = openai.OpenAI(
-        api_key=settings.openai_api_key,
-        base_url=settings.openai_base_url,
-        max_retries=settings.openai_max_retries,
+    logger.info("Initiating WhisperX client")
+    whisperx_client = openai.OpenAI(
+        api_key=settings.whisperx_api_key,
+        base_url=settings.whisperx_base_url,
+        max_retries=settings.whisperx_max_retries,
     )
 
     try:
         logger.info("Querying transcription …")
         transcription_start_time = time.time()
         with open(temp_file_path, "rb") as audio_file:
-            transcription = openai_client.audio.transcriptions.create(
-                model=settings.openai_asr_model, file=audio_file
+            transcription = whisperx_client.audio.transcriptions.create(
+                model=settings.whisperx_asr_model, file=audio_file
             )
             metadata_manager.track(
                 task_id,

src/summary/summary/core/config.py

@@ -32,10 +32,10 @@ class Settings(BaseSettings):
     aws_s3_secure_access: bool = True
 
     # AI-related settings
-    openai_api_key: str
-    openai_base_url: str = "https://api.openai.com/v1"
-    openai_asr_model: str = "whisper-1"
-    openai_max_retries: int = 0
+    whisperx_api_key: str
+    whisperx_base_url: str = "https://api.openai.com/v1"
+    whisperx_asr_model: str = "whisper-1"
+    whisperx_max_retries: int = 0
 
     # Webhook-related settings
     webhook_max_retries: int = 2