Perf/mesh collision (#1307)

Thanks @Ian-cmd-ops.

crates/kernel/Cargo.toml

@@ -25,4 +25,7 @@ spade = { workspace = true }
 rayon = { workspace = true }
 
 [dev-dependencies]
+# The vendored crate tests never build in CI, so its equivalence checks run from kernel tests.
+# Resolver 3 keeps this dev-only feature out of shipped builds.
+truck-meshalgo = { workspace = true, features = ["test-hooks"] }
 proptest = { version = "1", default-features = false, features = ["std"] }