The tool opens a PDF and hands the rest of the code a correct page raster. No UI.
M2 — Detection core
100%
Correct suggestions on the two sample songs. Still no UI.
M3 — Project file
100%
Nothing done by hand is ever lost.
M4 — Editor
100%
The human-in-the-loop half of the tool. The first genuinely usable milestone.
A bundle exists.
M6 — Markers
100%
Bundles are self-contained; nothing is left to author in noteman.
An unreadable system can be re-engraved instead of tolerated. Optional feature, degrades cleanly without LilyPond.
Prove it against the corpus, not against samples.
Not release 1. Each item has its reasoning recorded in docs/adr or docs/spec.md.