Piece A of the H3 workflow port: the loader/SigmaShift/ImageTransformKJ/
R2V/sampler-at-CFG-1/decode/video-mux chain the H3 user runs by hand today,
offered as a preset (GET /api/pipeline/presets) loadable into the same
editable pipeline core/graph.py already supports -- not a second "default",
which module-load order would make ambiguous.
References are deliberately NOT pre-wired into R2V's ref_images autogrow;
an unwired optional slot is what "not in use" means to that node (absent
from its ref_images dict), not an empty image degrading its <Picture i>
numbering. boot.js wires them per-run based on what's actually picked --
next commit.
Building this against a real ComfyUI+KJNodes registration (not a fake
schema) surfaced a genuine core bug: core/graph.py's from_comfyui() had no
idea what to do with a V3 MatchType socket (ImageTransformKJ's own image
input) -- its bare type name "COMFY_MATCHTYPE_V3" matched nothing, so a
completely legal IMAGE wire into it was refused. Fixed generically in
comfy_types.py (match_type_union()) and graph.py, for any node using
MatchType, not special-cased to this one.
digital-garbage
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