🔧(summary) configure OpenAI max retries via FastAPI settings

Set default OpenAI retries to 0 and add configurable setting to control
retry behavior for API requests in summary service.

src/summary/summary/core/celery_worker.py

@@ -176,7 +176,9 @@ def process_audio_transcribe_summarize(filename: str, email: str, sub: str):
 
     logger.debug("Initiating OpenAI client")
     openai_client = openai.OpenAI(
-        api_key=settings.openai_api_key, base_url=settings.openai_base_url
+        api_key=settings.openai_api_key,
+        base_url=settings.openai_base_url,
+        max_retries=settings.openai_max_retries,
     )
 
     try:
@@ -257,7 +259,9 @@ def process_audio_transcribe_summarize_v2(
 
     logger.debug("Initiating OpenAI client")
     openai_client = openai.OpenAI(
-        api_key=settings.openai_api_key, base_url=settings.openai_base_url
+        api_key=settings.openai_api_key,
+        base_url=settings.openai_base_url,
+        max_retries=settings.openai_max_retries,
     )
 
     try:

src/summary/summary/core/config.py

@@ -33,6 +33,7 @@ class Settings(BaseSettings):
     openai_base_url: str = "https://api.openai.com/v1"
     openai_asr_model: str = "whisper-1"
     openai_llm_model: str = "gpt-4o"
+    openai_max_retries: int = 0
 
     # Webhook-related settings
     webhook_max_retries: int = 2