feat: scroll-driven maintenance window set-piece in the infrastructure chapter

src/scene/world/palette.ts

@@ -111,6 +111,14 @@ export const CHAPTER_PALETTES: Readonly<Record<EnvironmentChapter, ChapterPalett
   },
 };
 
+/**
+ * The 03:12 window's storm: a colder navy the Infrastructure sky leans toward
+ * (about 55%) while the maintenance window is open. A tint, not a chapter.
+ */
+export const STORM_TINT = 0x060c26;
+/** Star visibility while the storm is in. */
+export const STORM_STAR_SCALE = 0.4;
+
 const paletteColors = Object.fromEntries(
   Object.entries(CHAPTER_PALETTES).map(([chapter, palette]) => [chapter, {
     sky: new THREE.Color(palette.sky),