Merge branch 'worktree-agent-a2650e91d2bd39ca2' into develop

crates/domain/src/events.rs

@@ -78,6 +78,18 @@ pub enum DomainEvent {
         /// The project.
         project_id: ProjectId,
     },
+    /// An orchestrator request (dropped under `.ideai/requests/`) was processed
+    /// by IdeA on behalf of a requester agent (ARCHITECTURE §14.3). Relayed so the
+    /// frontend can surface orchestration activity; the resulting cell/tab opens
+    /// off the [`AgentLaunched`](Self::AgentLaunched) event for `spawn_agent`.
+    OrchestratorRequestProcessed {
+        /// Id of the requesting (orchestrator) agent — the request subdirectory.
+        requester_id: String,
+        /// The action that was processed (`spawn_agent`, `stop_agent`, …).
+        action: String,
+        /// Whether IdeA handled it successfully.
+        ok: bool,
+    },
     /// Raw PTY output (usually routed to a dedicated channel, not this bus).
     PtyOutput {
         /// The session.