Conditional profile lift, not actual native inertia or free-film validation.

Run once: python thin_film/scripts/velocity_meaning/run.py --prepare, then run.py.
Presentation: python thin_film/scripts/velocity_meaning/report.py.
Original uniform20/10 fine-dt records are SHA-verified, not rerun.
No live uniform5 data read; captured native code remains unchanged.
Literature PDF is local only, tracked provenance in literature_manifest.json.