initial skeleton

crates/aim-core/tests/registry_roundtrip.rs

@@ -0,0 +1,10 @@
+use aim_core::registry::store::RegistryStore;
+use tempfile::tempdir;
+
+#[test]
+fn registry_round_trips_app_records() {
+    let dir = tempdir().unwrap();
+    let store = RegistryStore::new(dir.path().join("registry.toml"));
+    let loaded = store.load().unwrap();
+    assert!(loaded.apps.is_empty());
+}