huskies: merge 1093 bug Chat dispatcher spawns one Timmy per inbound message — needs coalesce window + per-session serial lock

server/src/services.rs

@@ -6,6 +6,7 @@
 //! transport's context struct.
 
 use crate::agents::AgentPool;
+use crate::chat::dispatcher::ChatDispatcher;
 use crate::http::context::{PermissionDecision, PermissionForward};
 use crate::service::status::StatusBroadcaster;
 use std::collections::{HashMap, HashSet};
@@ -44,6 +45,12 @@ pub struct Services {
     /// only to subscribers of this instance, providing natural multi-project
     /// isolation.
     pub status: Arc<StatusBroadcaster>,
+    /// Protocol-agnostic chat dispatcher shared by all transport handlers.
+    ///
+    /// Transport handlers call [`ChatDispatcher::submit`] instead of spawning
+    /// `claude -p` directly.  The dispatcher applies a coalesce window and a
+    /// per-session serial lock, preventing duplicate concurrent spawns.
+    pub chat_dispatcher: Arc<ChatDispatcher>,
 }
 
 #[cfg(test)]
@@ -63,6 +70,7 @@ impl Services {
             perm_rx: std::sync::Arc::new(TokioMutex::new(perm_rx)),
             pending_perm_replies: std::sync::Arc::new(TokioMutex::new(HashMap::new())),
             permission_timeout_secs: 120,
+            chat_dispatcher: std::sync::Arc::new(ChatDispatcher::new(1_500)),
         })
     }
 }