feat: phase 5 refactor

src/renderer/navigation/activityExecution.ts

@@ -0,0 +1,34 @@
+import {
+  getActivityClickActions,
+  type ActivityAction,
+  type ActivityId,
+  type ActivitySnapshot,
+} from './activityBehavior';
+import type { SidebarView } from './sidebarViewRegistry';
+
+export interface ActivityExecutionHandlers {
+  setActiveView: (view: SidebarView) => void;
+  toggleSidebar: () => void;
+}
+
+export function executeActivityClickActions(
+  actions: ActivityAction[],
+  handlers: ActivityExecutionHandlers,
+): void {
+  for (const action of actions) {
+    if (action.type === 'toggleSidebar') {
+      handlers.toggleSidebar();
+      continue;
+    }
+
+    handlers.setActiveView(action.view);
+  }
+}
+
+export function executeActivityClick(
+  snapshot: ActivitySnapshot,
+  activityId: ActivityId,
+  handlers: ActivityExecutionHandlers,
+): void {
+  executeActivityClickActions(getActivityClickActions(snapshot, activityId), handlers);
+}