feat(domain): add broadcast_like/broadcast_undo_like to OutboundFederationPort

crates/domain/src/ports.rs

@@ -453,4 +453,21 @@ pub trait OutboundFederationPort: Send + Sync {
         booster_user_id: &UserId,
         object_ap_id: &str,
     ) -> Result<(), DomainError>;
+
+    /// Send a Like activity to a remote thought author's inbox.
+    /// Only called when a LOCAL user likes a REMOTE thought (one with an ap_id).
+    async fn broadcast_like(
+        &self,
+        liker_user_id: &UserId,
+        object_ap_id: &str,
+        author_inbox_url: &str,
+    ) -> Result<(), DomainError>;
+
+    /// Send Undo(Like) to a remote thought author's inbox.
+    async fn broadcast_undo_like(
+        &self,
+        liker_user_id: &UserId,
+        object_ap_id: &str,
+        author_inbox_url: &str,
+    ) -> Result<(), DomainError>;
 }