Bootstrap OpenBitdo clean-room SDK and reliability milestone

sdk/tests/profile_serialization.rs

@@ -0,0 +1,17 @@
+use bitdo_proto::ProfileBlob;
+use std::fs;
+use std::path::PathBuf;
+
+#[test]
+fn golden_profile_fixture_roundtrips() {
+    let manifest = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    let path = manifest.join("../../../harness/golden/profile_fixture.bin");
+    let fixture = fs::read(path).expect("read fixture");
+
+    let blob = ProfileBlob::from_bytes(&fixture).expect("parse fixture");
+    assert_eq!(blob.slot, 2);
+    assert_eq!(blob.payload.len(), 16);
+
+    let serialized = blob.to_bytes();
+    assert_eq!(serialized, fixture);
+}