v0.1.94

Summary
Added light-id roster deltas to VRWIF diff and batch analysis
Documented and regression-tested the narrower light-id count review signal
Details
vrwif-diff now reports light_ids_count_delta alongside light_ids_changed
vrwif-batch-diff-analyze now aggregates recurring light-id roster changes through pairs_with_light_ids_count_delta and total_light_ids_count_delta
Validation
Added targeted regression coverage in tests/test_vrwif.py
Validated with the full intended regression flow:
PYTHONPATH=src python -m unittest tests.test_vrwif tests.test_arwif
Release packaging succeeded, producing:
dist/rwif_builder-0.1.94.tar.gz
dist/rwif_builder-0.1.94-py3-none-any.whl
Included in this release
ARWIF narrow review-signal expansions accumulated through the 0.1.x line
VRWIF review-signal expansions including object roster, camera trajectory, lighting presence, and light-id count drift
Documentation, checklist, and release-payload cleanup for release readiness