Force rebuild: complete rewrite syntax error fix deployed

- Added timestamp comment to force Hugging Face Space rebuild
- All syntax errors in pdf_comparator.py have been resolved
- Ensures latest code changes are deployed to production

README.md

@@ -50,3 +50,4 @@ Apache-2.0
 # SYNTAX ERROR FIXES 2025-09-17T23:52:00Z
 # PERSISTENT SYNTAX ERROR FIX 2025-09-17T23:54:00Z
 # FINAL SYNTAX ERROR FIX 2025-09-17T23:56:00Z
+# COMPLETE REWRITE SYNTAX ERROR FIX 2025-09-17T23:58:00Z