huskies: merge 1163 story Replace perm_rx lock-as-presence-signal with a permission router

server/src/main.rs

@@ -224,7 +224,8 @@ async fn main() -> Result<(), std::io::Error> {
     let watcher_rx_for_discord = watcher_tx.subscribe();
     let watcher_rx_for_events = watcher_tx.subscribe();
 
-    let perm_rx = Arc::new(tokio::sync::Mutex::new(perm_rx));
+    let permission_registry = service::permission_router::ResponderRegistry::new();
+    service::permission_router::spawn_permission_router(perm_rx, Arc::clone(&permission_registry));
     let startup_root: Option<PathBuf> = app_state.project_root.lock().unwrap().clone();
     let startup_agents = Arc::clone(&agents);
     let startup_reconciliation_tx = reconciliation_tx.clone();
@@ -248,8 +249,8 @@ async fn main() -> Result<(), std::io::Error> {
                 .map(|c| c.ambient_rooms.iter().cloned().collect())
                 .unwrap_or_default(),
         )),
-        perm_rx: Arc::clone(&perm_rx),
-        pending_perm_replies: Arc::new(tokio::sync::Mutex::new(std::collections::HashMap::new())),
+        permission_registry: Arc::clone(&permission_registry),
+        pending_perm_replies: service::permission_router::PendingPermReplies::new(),
         permission_timeout_secs: bot_cfg
             .as_ref()
             .map(|c| c.permission_timeout_secs)