Canonical constrained-interface benchmark only. Full C1 remains open.

Run once: python thin_film/scripts/transverse_startup/run.py --prepare, then run.py.
Presentation only: python thin_film/scripts/transverse_startup/report.py.
The original uniform10 fine-dt trajectory is hash-verified and reused, never replayed.
Public author PDF is saved locally only; see literature_manifest.json.
Native uniform5 protocol/source/binary remain frozen.
