from thulium.api.types import PageResult
from typing import Dict, Any

class FormPipeline:
    """
    Pipeline for Key-Value pair extraction from structured documents.
    """
    def extract_fields(self, page_result: PageResult) -> Dict[str, Any]:
        """
        Extract named fields (e.g. 'Date', 'Total') from text.
        """
        # Stub: simple heuristic or NER could go here
        return {"date": "2023-01-01", "total": "100.00"}
