fixes + substrate work: dn_tree, OntologySchema multi-parent, codex P2, simd_caps, PR-X10 A6 distance kernels #435

Job	Run time
native-backend/stable	7m 44s
format/stable	19s
tier4-avx512-check	31s
hpc-stream-parallel/rayon	1m 23s
Pass MSRV values to other jobs	3s
clippy/1.95.0	44s
nostd/thumbv6m-none-eabi/stable	30s
nightly-simd-polyfill	0s
docs/nightly	0s
cargo-careful	0s
miri	0s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	0s
tests/stable	10m 37s
blas-msrv	50s
tests/1.95.0	10m 49s
tests/beta	11m 6s
conclusion	-1s
	44m 35s

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