Add shared automation and WebUI editing primitives

webui/src/platform/views.ts

@@ -6,6 +6,13 @@ import type {
 } from "../types";
 
 export const PLATFORM_VIEW_CHANGED_EVENT = "govoplan:view-changed";
+export const PLATFORM_WORKFLOW_VIEW_CHANGED_EVENT =
+  "govoplan:workflow-view-changed";
+
+export type WorkflowViewChangedEventDetail = {
+  projection: EffectiveViewProjection | null;
+  contextId?: string | null;
+};
 
 export function moduleViewSurfaceId(moduleId: string): string {
   return `${moduleId}.module`;
@@ -115,6 +122,20 @@ export function dispatchPlatformViewChanged(): void {
   }
 }
 
+export function dispatchWorkflowViewChanged(
+  projection: EffectiveViewProjection | null,
+  contextId?: string | null
+): void {
+  if (typeof window !== "undefined") {
+    window.dispatchEvent(
+      new CustomEvent<WorkflowViewChangedEventDetail>(
+        PLATFORM_WORKFLOW_VIEW_CHANGED_EVENT,
+        { detail: { projection, contextId } }
+      )
+    );
+  }
+}
+
 function addSurface(
   target: Map<string, PlatformViewSurface>,
   surface: PlatformViewSurface