feat(server): broker agent for inter-actor coordination

server/crates/arbiter-server/src/actors/mod.rs

@@ -3,14 +3,15 @@ use miette::Diagnostic;
 use thiserror::Error;
 
 use crate::{
-    actors::{bootstrap::Bootstrapper, keyholder::KeyHolder},
+    actors::{bootstrap::Bootstrapper, keyholder::KeyHolder, router::MessageRouter},
     db,
 };
 
 pub mod bootstrap;
-pub mod client;
+pub mod router;
 pub mod keyholder;
 pub mod user_agent;
+pub mod client;
 
 #[derive(Error, Debug, Diagnostic)]
 pub enum SpawnError {
@@ -28,6 +29,7 @@ pub enum SpawnError {
 pub struct GlobalActors {
     pub key_holder: ActorRef<KeyHolder>,
     pub bootstrapper: ActorRef<Bootstrapper>,
+    pub router: ActorRef<MessageRouter>,
 }
 
 impl GlobalActors {
@@ -35,6 +37,7 @@ impl GlobalActors {
         Ok(Self {
             bootstrapper: Bootstrapper::spawn(Bootstrapper::new(&db).await?),
             key_holder: KeyHolder::spawn(KeyHolder::new(db.clone()).await?),
+            router: MessageRouter::spawn(MessageRouter::default()),
         })
     }
 }