app.py

from smolagents import CodeAgent, DuckDuckGoSearchTool, tool
# This is the corrected import from the debug logs!
from smolagents.models import TransformersModel 
import gradio as gr

@tool
def check_migration_blockers(inventory_data: str) -> str:
   """
   Analyzes server inventory data for common Azure VMware Solution (AVS) blockers.
   Args:
       inventory_data: A string description of the server hardware or a snippet from an RVTools export.
   """
   data = inventory_data.lower()
   if "rdm" in data:
       return "⚠️ BLOCKER: Physical RDM identified. Suggest Pure Cloud Block Store (Everpure)."
   if "iscsi" in data:
       return "⚠️ ALERT: Guest iSCSI detected. Check network pathing."
   return "✅ No immediate architectural blockers identified for standard AVS migration."

# This is the corrected model initialization!
model = TransformersModel(model_id="Qwen/Qwen2-1.5B-Instruct")

agent = CodeAgent(
   tools=[check_migration_blockers, DuckDuckGoSearchTool()],
   model=model,
   add_base_tools=True
)

def respond(message, history):
   # The agent.run method returns the actual string response
   return agent.run(message)

# Launching with a clean Gradio interface
gr.ChatInterface(respond).launch()