feat: Add enhanced PDF harmonisation reports with graphics #114
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Description
Implements human-readable PDF reports with visualizations as alternative to Excel matrix output. Includes statistics, charts, and maintains backward compatibility.
Fixes # (issue)
Type of change
Please delete options that are not relevant.
Testing
Tests were added in tests/test_export_pdf_report.py:
test_high_threshold_yields_no_matches: Verifies the report correctly shows 0 matches with a 99% threshold.
test_default_threshold_yields_some_matches: Verifies that matches appear with the default 60% threshold.
To run the tests:
pytest -q
Test Configuration
Checklist
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