# main.py
from flask import Flask, request
app = Flask(__name__)
# Tool masking, DPO, RAG enabled
@app.route('/')
def home(): return "fallback agent ready"
@app.route('/tool', methods=['POST'])
def tool_call():
    data = request.json
    # simulate tool execution
    return {"status":"ok","tool":data.get("tool")}
if __name__ == '__main__': app.run(port=18789)