feat(#1653): optional name param for bash run tool

hive-bash-mcp/src/protocol.rs

@@ -70,6 +70,13 @@ pub enum DaemonRequest {
         /// task-started-id response immediately.
         #[serde(default)]
         wait_seconds: Option<u64>,
+        /// Optional caller-chosen task name, used as the task id (so it
+        /// flows into the wake `from`, status lookups, and the loose-ends
+        /// summary). Must be filesystem-safe. Reusable once any prior task
+        /// of the same name has finished; rejected while one is still
+        /// running. `None` falls back to the auto-generated id.
+        #[serde(default)]
+        name: Option<String>,
     },
 
     /// Query the current status of a task. Returns the full `TaskFile`