feat(worker): handle FetchActorConnections — resolve and cache remote actor connections

crates/worker/src/factory.rs

@@ -6,6 +6,7 @@ use activitypub_base::ActivityPubService;
 use application::services::{FederationEventService, NotificationEventService};
 use domain::ports::{ActivityPubRepository, FederationActionPort, OutboundFederationPort};
 use postgres::activitypub::PgActivityPubRepository;
+use postgres::remote_actor_connections::PgRemoteActorConnectionRepository;
 use postgres_federation::{PostgresApUserRepository, PostgresFederationRepository};
 
 use crate::handlers::{FederationHandler, NotificationHandler};
@@ -59,6 +60,8 @@ pub async fn build(
     let ap_federation = ap_service.clone() as Arc<dyn FederationActionPort>;
     let ap_repo_worker =
         Arc::new(PgActivityPubRepository::new(pool.clone())) as Arc<dyn ActivityPubRepository>;
+    let actor_connections = Arc::new(PgRemoteActorConnectionRepository::new(pool.clone()))
+        as Arc<dyn domain::ports::RemoteActorConnectionRepository>;
 
     // Application services
     let notification_svc = Arc::new(NotificationEventService {
@@ -72,6 +75,7 @@ pub async fn build(
         base_url: base_url.to_string(),
         federation_action: ap_federation,
         ap_repo: ap_repo_worker,
+        remote_actor_connections: actor_connections,
     });
 
     // Thin handlers