feat(display): wire events, dock, notification actions to WebSocket bridge

- Import events package in display orchestrator
- Bridge events.ActionEventFired → EventCustomEvent WebSocket broadcast
- Bridge dock.ActionProgressChanged → EventDockProgress
- Bridge dock.ActionBounceStarted → EventDockBounce
- Bridge notification.ActionNotificationActionTriggered → EventNotificationAction
- Bridge notification.ActionNotificationDismissed → EventNotificationDismiss
- 5 new EventType constants

All 17 packages build and test clean.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

pkg/display/display.go

@@ -15,6 +15,7 @@ import (
 	"forge.lthn.ai/core/gui/pkg/dialog"
 	"forge.lthn.ai/core/gui/pkg/dock"
 	"forge.lthn.ai/core/gui/pkg/environment"
+	"forge.lthn.ai/core/gui/pkg/events"
 	"forge.lthn.ai/core/gui/pkg/keybinding"
 	"forge.lthn.ai/core/gui/pkg/lifecycle"
 	"forge.lthn.ai/core/gui/pkg/menu"
@@ -242,6 +243,31 @@ func (s *Service) HandleIPCEvents(c *core.Core, msg core.Message) core.Result {
 			s.events.Emit(Event{Type: EventIDECommand,
 				Data: map[string]any{"command": m.Command}})
 		}
+	case events.ActionEventFired:
+		if s.events != nil {
+			s.events.Emit(Event{Type: EventCustomEvent,
+				Data: map[string]any{"name": m.Event.Name, "data": m.Event.Data}})
+		}
+	case dock.ActionProgressChanged:
+		if s.events != nil {
+			s.events.Emit(Event{Type: EventDockProgress,
+				Data: map[string]any{"progress": m.Progress}})
+		}
+	case dock.ActionBounceStarted:
+		if s.events != nil {
+			s.events.Emit(Event{Type: EventDockBounce,
+				Data: map[string]any{"requestId": m.RequestID, "bounceType": m.BounceType}})
+		}
+	case notification.ActionNotificationActionTriggered:
+		if s.events != nil {
+			s.events.Emit(Event{Type: EventNotificationAction,
+				Data: map[string]any{"notificationId": m.NotificationID, "actionId": m.ActionID}})
+		}
+	case notification.ActionNotificationDismissed:
+		if s.events != nil {
+			s.events.Emit(Event{Type: EventNotificationDismiss,
+				Data: map[string]any{"id": m.ID}})
+		}
 	}
 	return core.Result{OK: true}
 }

pkg/display/events.go

@@ -40,6 +40,11 @@ const (
 	EventContextMenuClick    EventType = "contextmenu.item-clicked"
 	EventWebviewConsole      EventType = "webview.console"
 	EventWebviewException    EventType = "webview.exception"
+	EventCustomEvent         EventType = "custom.event"
+	EventDockProgress        EventType = "dock.progress"
+	EventDockBounce          EventType = "dock.bounce"
+	EventNotificationAction  EventType = "notification.action"
+	EventNotificationDismiss EventType = "notification.dismissed"
 )
 
 // Event represents a display event sent to subscribers.