feat(overlay-sync): wire OverlaySyncService into DI, IPC and renderer gating

packages/application/ports/IAutomationEventPublisher.ts

@@ -0,0 +1,10 @@
+export type AutomationEvent = {
+  actionId?: string
+  type: 'panel-attached'|'modal-opened'|'action-started'|'action-complete'|'action-failed'|'panel-missing'
+  timestamp: number
+  payload?: any
+}
+
+export interface IAutomationEventPublisher {
+  publish(event: AutomationEvent): Promise<void>
+}