release prep: rc.1 baseline and gating updates

sdk/tests/pid_registry_unique.rs

@@ -0,0 +1,15 @@
+use bitdo_proto::pid_registry;
+use std::collections::HashSet;
+
+#[test]
+fn pid_registry_contains_unique_pid_values() {
+    let mut seen = HashSet::new();
+    for row in pid_registry() {
+        assert!(
+            seen.insert(row.pid),
+            "duplicate pid in runtime registry: {:#06x} ({})",
+            row.pid,
+            row.name
+        );
+    }
+}