services/agents/signature_verification_agent.py

# services/agents/signature_verification_agent.py
"""
Signature Verification Agent - Wraps utilities/signature_verification.py
"""
from typing import Dict, Any
from services.agents.base_agent import BaseUtilityAgent
from utilities.signature_verification import signature_verification_remote


class SignatureVerificationAgent(BaseUtilityAgent):
    """
    Autonomous agent for signature detection and verification.
    """
    
    def __init__(self):
        super().__init__(
            name="signature_verification",
            role="Signature Verification Specialist",
            goal="Detect and verify signatures in documents with high accuracy",
            backstory="""You are an expert in signature detection and document authentication.
            You can identify handwritten signatures, distinguish them from printed text,
            and assess signature presence and characteristics. You validate verification
            results for accuracy and completeness.""",
            utility_function=signature_verification_remote
        )
    
    def _prepare_task_description(self, input_data: Dict[str, Any]) -> str:
        """Prepare task description for the agent."""
        filename = input_data.get("filename", "document")
        start_page = input_data.get("start_page", 1)
        end_page = input_data.get("end_page", 1)
        
        return f"""Validate signature verification results from {filename} (pages {start_page}-{end_page}).
        
        Assess verification quality:
        - Detection: Were all signatures identified?
        - Accuracy: Are detections true signatures (not false positives)?
        - Completeness: Are signature locations and characteristics captured?
        - Verification indicators: Are authenticity indicators reliable?
        
        Provide confidence score (0.0-1.0)."""