feat: v2 rewrite — hexagonal arch, ActivityPub federation, NATS, deployment-ready (#1)

crates/domain/src/lib.rs

@@ -0,0 +1,9 @@
+pub mod errors;
+pub mod events;
+pub mod hashtag;
+pub mod models;
+pub mod ports;
+pub mod value_objects;
+
+#[cfg(any(test, feature = "test-helpers"))]
+pub mod testing;