fix: live-API corrections — music result shapes, mesh format honesty, mesh conversion #16

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steve merged 1 commits from fix/live-smoke-round2 into main 2026-07-14 16:45:58 +00:00
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steveandClaude Fable 5 fd8d56c3c1 fix: live-API corrections — music result shapes, mesh format honesty, mesh conversion
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Round 2 from live smokes on netherstorm (2026-07-14):

- ACE-Step result blob is an ARRAY of objects and carries RAW control
  characters inside string values (literal newlines) — strict JSON
  rejected it. parseMusicResult sanitizes control chars (only legal
  inside string values in the double-encoded blob) and accepts array or
  object shapes. Regression test uses the live payload shape.
- Hunyuan3D GenerationRequest has NO output-format field (the documented
  type param is fiction) — it always returns GLB. Results are now
  labelled by sniffed magic bytes, never by the requested format.
- NEW meshgen.Converter/ConverterProvider optional surface + llamaswap
  impl over the mediautils shim POST /v1/convert_mesh — the STL hop for
  the printer pipeline.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-14 12:22:06 -04:00