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

packages/infrastructure/adapters/IAutomationLifecycleEmitter.ts

@@ -0,0 +1,8 @@
+import { AutomationEvent } from '../../application/ports/IAutomationEventPublisher'
+
+export type LifecycleCallback = (event: AutomationEvent) => Promise<void> | void
+
+export interface IAutomationLifecycleEmitter {
+  onLifecycle(cb: LifecycleCallback): void
+  offLifecycle(cb: LifecycleCallback): void
+}

packages/infrastructure/adapters/automation/PlaywrightAutomationAdapter.ts

@@ -474,6 +474,40 @@ export class PlaywrightAutomationAdapter implements IBrowserAutomation, IAuthent
     });
   }
 
+ // Lifecycle emitter support (minimal, deterministic events)
+ private lifecycleCallbacks: Set<any> = new Set()
+
+ onLifecycle(cb: any): void {
+   this.lifecycleCallbacks.add(cb)
+ }
+
+ offLifecycle(cb: any): void {
+   this.lifecycleCallbacks.delete(cb)
+ }
+
+ private async emitLifecycle(event: any): Promise<void> {
+   try {
+     for (const cb of Array.from(this.lifecycleCallbacks)) {
+       try {
+         await cb(event)
+       } catch (e) {
+         this.log('debug', 'Lifecycle callback error', { error: String(e) })
+       }
+     }
+   } catch (e) {
+     this.log('debug', 'emitLifecycle failed', { error: String(e) })
+   }
+ }
+
+ /**
+  * Minimal attachPanel helper for tests that simulates deterministic lifecycle events.
+  * Emits 'panel-attached' and then 'action-started' immediately for deterministic tests.
+  */
+ async attachPanel(page?: Page, actionId?: string): Promise<void> {
+   const selector = '#gridpilot-overlay'
+   await this.emitLifecycle({ type: 'panel-attached', actionId, timestamp: Date.now(), payload: { selector } })
+   await this.emitLifecycle({ type: 'action-started', actionId, timestamp: Date.now() })
+ }
   private isRealMode(): boolean {
     return this.config.mode === 'real';
   }