Fix EasyOCR crash before metadata generation

extractors/ocr_extractor.py

@@ -136,6 +136,13 @@ def _reconstruct_from_boxes(results: list) -> str:
 def extract_image(file_path: str) -> ExtractionResult:
     """Extract text from an image using the best available OCR engine."""
     start_time = time.time()
+    original_size = (0, 0)
+    try:
+        with Image.open(file_path) as img:
+            original_size = img.size
+    except Exception:
+        # Keep defaults; OCR engines will surface the real file/open errors.
+        pass
     
     # 1. Check for EasyOCR (Preferred)
     if EASYOCR_AVAILABLE: