feat: daybreak finale turns the contact arrival into a sunrise with a dawn chord

src/components/AppShell.vue

@@ -24,6 +24,7 @@ import { useMotionPreferences } from '@/composables/useMotionPreferences';
 import { useRouteMemory } from '@/composables/useRouteMemory';
 import { assetUrl } from '@/content/asset-url';
 import { signRouteFor } from '@/journey/sign-routes';
+import { END_OF_SHIFT_SUBLINE } from '@/journey/dawn';
 import type { PortfolioContent, PublicAssetManifest, SectionId, SectionLayout } from '@/content/types';
 import type { SceneHostState } from '@/composables/useSceneController';
 import type { MotionPolicy } from '@/journey/motion-policy';
@@ -129,6 +130,11 @@ const audio = useAudioEngine({
 const sceneState = shallowRef<SceneHostState>('idle');
 const pageLifecycle = shallowRef<'active' | 'frozen' | 'disposed'>('active');
 const controlsReady = shallowRef(false);
+/* END OF SHIFT: parked at the destination the plate's sub-line reads the
+   shift's end. Client-only, like the 03:12 window, so the server HTML hydrates
+   unchanged. */
+const hudSubline = computed(() => maintenanceSubline.value
+  || (controlsReady.value && journey.value.arrived ? END_OF_SHIFT_SUBLINE : ''));
 const adaptive = useAdaptiveQuality({
   maximum: computed(() => motion.policy.value.maximumTier),
   sceneState,
@@ -270,7 +276,7 @@ onUnmounted(() => removePageListeners());
     :exit="exitFor(journey.activeSectionId)"
     :next-label="nextLabelFor(journey.activeSectionId)"
     :next-exit="nextExitFor(journey.activeSectionId)"
-    :subline="maintenanceSubline"
+    :subline="hudSubline"
   />
   <header class="site-header">
     <SiteNavigation