feat: make Azure OpenAI api_version configurable

.env.example

@@ -8,6 +8,7 @@ GOOGLE_API_KEY=
 
 AZURE_OPENAI_ENDPOINT=
 AZURE_OPENAI_API_KEY=
+AZURE_OPENAI_API_VERSION=2025-01-01-preview
 
 DEEPSEEK_ENDPOINT=https://api.deepseek.com
 DEEPSEEK_API_KEY=

src/utils/utils.py

@@ -128,10 +128,11 @@ def get_llm_model(provider: str, **kwargs):
             base_url = os.getenv("AZURE_OPENAI_ENDPOINT", "")
         else:
             base_url = kwargs.get("base_url")
+        api_version = kwargs.get("api_version", "") or os.getenv("AZURE_OPENAI_API_VERSION", "2025-01-01-preview")
         return AzureChatOpenAI(
             model=kwargs.get("model_name", "gpt-4o"),
             temperature=kwargs.get("temperature", 0.0),
-            api_version="2024-05-01-preview",
+            api_version=api_version,
             azure_endpoint=base_url,
             api_key=api_key,
         )