Implement deep OCR with Tesseract and RegEx patterns for lab extraction

Optimize extraction questions and add manual hint fallback

Fix IndentationError in parser.py

Remove Blue Dream mock template and use error fallback

Add debug logging to AI extraction

Refine AI extraction questions and logging

Add PDF to Image conversion for real extraction

Enable real AI extraction using HF Inference API

Fix 500 error on PDF mock extract and add traceback

Initial commit