fix: make nightdrive signage reliable and legible

src/composables/useJourneySections.ts

@@ -121,6 +121,8 @@ export function useJourneySections(
       const sign = signController.sample({
         now,
         source: navigationState.value.source,
+        navigationEpoch: navigationState.value.epoch,
+        navigationDestinationId: navigationState.value.signDestinationId,
         direction: driveSnapshot.direction,
         acceleration: driveSnapshot.acceleration,
         deltaY: driveSnapshot.scrollY - previousScrollY,

src/composables/useKeyboardNavigation.ts

@@ -33,7 +33,7 @@ const isEditableTarget = (target: EventTarget | null): boolean =>
 
 export interface KeyboardNavigation {
   state: Readonly<Ref<NavigationState>>;
-  onSectionLinkClick(event: MouseEvent): void;
+  onSectionLinkClick(event: MouseEvent, requestSign?: boolean): void;
   notePassiveSection(id: SectionId): void;
 }
 
@@ -44,6 +44,7 @@ export function useKeyboardNavigation(
     epoch: 0,
     source: "initial",
     destinationId: null,
+    signDestinationId: null,
   });
   let controller: NavigationController | undefined;
   let teardown = (): void => {};
@@ -60,7 +61,7 @@ export function useKeyboardNavigation(
     else controller.restore(id, target);
   };
 
-  const onSectionLinkClick = (event: MouseEvent): void => {
+  const onSectionLinkClick = (event: MouseEvent, requestSign = false): void => {
     if (
       event.defaultPrevented ||
       event.button !== 0 ||
@@ -76,7 +77,7 @@ export function useKeyboardNavigation(
     const validated = validateSectionAnchor(event.currentTarget, canonicalIds);
     if (validated === null) return;
     event.preventDefault();
-    controller.navigate(validated.id, validated.target);
+    controller.navigate(validated.id, validated.target, { requestSign });
   };
 
   onMounted(() => {