Last green e2e run (#70)

When: 2026-09-15 9:36 PM PT (2026-09-16T04:36:47Z)
Fixture: tests/fixtures/set1-48x2/ (L=48, thickness=2)
Server: local vite preview at http://127.0.0.1:4173 (not ubudual)
Result: 1 passed (~8s test)
Mask: Black sheet — Approve enabled
Fix under test: length dim || approved axis; widths ⊥ axis (#70); #69 robust tip stations kept
Lineup: Clean calibration → Dimension overlay → Batch photo 2

Full-resolution PNGs are produced under ../ on each run (gitignored). These JPEGs are commit-sized evidence for review.