Executable spec for the defaults field: aura run on the fully bound
examples/r_sma.json must report a manifest whose params stays [] (the
"what varied" record) and whose new defaults field carries the
untouched bound params as wrap-prefixed (name, Scalar) pairs in
bound_param_space() order — fast.length I64 2, slow.length I64 4,
bias.scale F64 0.5. Asserts on the stdout JSON (C14: stdout shape ==
on-disk shape), so it compiles against the current RunManifest and
fails on the absent key.
claude
4e6d5d4688