chore: Update environment variables in mini_llm.py and env.template

Using SLOW_MODEL

env.template

@@ -1,5 +1,8 @@
 OPENAI_API_KEY=
-MODEL_NAME=
+FAST_MODEL=
+# Internally we use SLOW_MODEL for the DSL generation
+SLOW_MODEL=
+
 
 #AZURE_OPENAI_API_KEY=
 #AZURE_OPENAI_ENDPOINT=

nl2dsl/utils/mini_llm.py

@@ -15,10 +15,10 @@
 else:
     client = OpenAI()
 
-GPT_MODEL = os.getenv('MODEL_NAME')
+SLOW_MODEL = os.getenv('SLOW_MODEL')
 
-if GPT_MODEL is None:
-    raise EnvironmentError("MODEL_NAME environment variable is not set.")
+if SLOW_MODEL is None:
+    raise EnvironmentError("SLOW_MODEL environment variable is not set.")
 
 @retry(wait=wait_random_exponential(multiplier=1, max=40), stop=stop_after_attempt(10))
 def mini_llm(utterance, model="gpt-4-turbo", temperature=0.3):
@@ -35,7 +35,7 @@ def mini_llm(utterance, model="gpt-4-turbo", temperature=0.3):
 
 @retry(wait=wait_random_exponential(multiplier=1, max=40), stop=stop_after_attempt(10))
 def chat_completion_request(
-    messages, tools=None, tool_choice=None, model=GPT_MODEL, response_format=None
+    messages, tools=None, tool_choice=None, model=SLOW_MODEL, response_format=None
 ):
     response = client.chat.completions.create(
         model=model,