So this is a clear case where the LLM generated Rust port introduced a bug: > The Zig original is a packed struct with the same shape; it "worked" only because

So this is a clear case where the LLM generated Rust port introduced a bug: > The Zig original is a packed struct with the same shape; it "worked" only because Zig has no reference aliasing or provenance rules to violate. The Rust port inherited the shape without rethinking the API surface.