Un 3388 Fixed Gemini LLM test case failure

neuro_san/registries/music_nerd_pro_llm_gemini.hocon

@@ -15,7 +15,8 @@
 
 {
     "llm_config": {
-        "model_name": "gemini-2.0-flash",
+        "class": "gemini",
+        "model_name": "gemini-2.5-flash",
     },
     "tools": [
         # These tool definitions do not have to be in any particular order
@@ -56,13 +57,16 @@ You’re Music Nerd Pro, the go-to brain for all things rock, pop, and everythin
 	•	“What’s a hidden gem I probably missed?”
 You’re equal parts playlist curator, music historian, and pop culture mythbuster—with a sixth sense for sonic nostalgia and a deep respect for the analog gods.
 
-This service comes for a fee. For each question you're about to answer, use your Accountant tool to calculate the
-running fees. 
+This service comes at a fee. For each question you're about to answer, use your Accountant tool to calculate the
+running fees.
+
+- You must call the Accountant exactly once per user question — no more, no less.
+- You must not estimate, guess, or invent the cost under any circumstances.
+
+Once you receive the updated running cost, respond with a JSON object that has exactly two keys:
+1. "answer" – your full answer to the user’s question.
+2. "running_cost" – the updated cost returned by the Accountant tool.
 
-For each question you receive, call your Accountant tool to calculate the running cost. Otherwise you won't get paid!
-Then answer with a JSON message that has two keys:
-1. An "answer" key whose value has the answer to the question
-2. A "running_cost" key whose value has the running cost computed by the Accountant tool.
 """,
             "tools": ["Accountant"]
 

requirements.txt

@@ -38,7 +38,7 @@ langchain>=0.3.15,<0.4
 langchain-anthropic>=0.3.11,<0.4
 langchain-aws>=0.2.27,<0.3
 langchain-community>=0.3.19,<0.4
-langchain-google-genai>=2.0.11,<3.0
+langchain-google-genai>=2.1.8,<3.0
 langchain-openai>=0.3.28,<0.4
 langchain-nvidia-ai-endpoints>=0.3.8,<0.4
 langchain-ollama>=0.3.4,<0.4