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Become arthur: a standalone suite, not an Animator Pro front-end

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The test renderer turned out to be the product. Everything that decides how the
work looks - stabilisation, reduction, timing, frame removal, palette - already
happens here, and the flat indexed output already reads the way it should.

The reason to leave is in the original design's own rule: never make a timing
decision that requires a full render to evaluate. Honouring that moved every
judgement out of Animator Pro, which left the host doing nothing but writing a
file, in exchange for modal UI, minutes-long renders, one-level undo, FLX delta
invariants, a single tween state and a cel singleton.

What does NOT change is the constraint. 320x200, indexed palette, flat fills,
no antialiasing - inherited, but load-bearing rather than accidental. The
rasteriser writes palette indices and expands to RGBA only at the end precisely
so nothing can soften an edge. Modern conveniences belong in the workflow.

Adds docs/design.md: the principles, carried over without the Poco/FLX/cel
machinery, plus architecture and an honest list of what is missing - the
largest gap being that plates still have nowhere to be drawn.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Your Name 2026-09-24 15:47:41 -04:00
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README.md
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@ -1,7 +1,7 @@
# roto
Video → **take file** builder for the Animator Pro rotoscope/puppet pipeline
described in `../docs/roto-puppet.md`.
described in `docs/design.md`.
This is the analysis and tuning half. It stabilises a face out of a clip, reduces
the lip contour to a handful of vertices, selects sparse keys on motion extremes,
@ -144,7 +144,7 @@ audio, since it is the mouth that should anticipate. The lead is baked into the
exported take, so the renderer never needs to know about it.
`contour avg` is a deliberate, bounded exception to "never smooth the contour" in
`../docs/roto-puppet.md`. That rule held while keys were sparse, because sampling
`docs/design.md`. That rule held while keys were sparse, because sampling
at velocity minima rejected detector noise for free. With a key on every frame it
does not, so a radius shorter than the shortest articulation worth keeping is
justified — at 12fps, articulation spans 3–6 frames and detector noise is