Submission package for IF quantification code (032426)

Contents
- quantify_if_signal.py
  Fixed manuscript-facing script for the two IF quantifications used in the paper.
- README.md
  GitHub-friendly overview with installation and usage instructions.
- QUANTIFY_IF_SIGNAL_README.txt
  Description of inputs, outputs, and quantification logic.
- RUN_QUANTIFY_IF_SIGNAL_EXAMPLE.txt
  Example command showing how to run the script.
- requirements.txt
  Tested Python package versions used for this code package.
- regression_validation/
  Evidence that the fixes were regression-tested.

Regression validation included here
- REGRESSION_SUMMARY.txt
- baseline_current/
  Outputs from the pre-fix script on the reference case.
- fixed_current/
  Outputs from the patched script on the same reference case.
- negative_test_logs/
  Logs showing:
  - bad marker CSV fails loudly
  - duplicate OME match fails loudly
  - single-level OME-TIFF inputs succeed

Bottom line
- The fixed script produced identical outputs to the pre-fix script on the reference case.
- The robustness issues identified in review were addressed and tested.
- For GitHub viewing, start with README.md.
