packages/pdfsys-parser-pipeline/src/pdfsys_parser_pipeline/ocr_engine.py

"""Pluggable line-level OCR engine wrapper (RapidOCR / PaddleOCR-classic).

Stub only — if a future parser backend (e.g. vlm fallback) needs to share
this, promote it to a standalone `pdfsys-ocr-engine` package.
"""