refactor: own application request operations and surface caches

src/app/layers/cctv.js

@@ -4,14 +4,12 @@ import * as activation from '../../cctvFocusRequest.js';
 import * as overlays from '../../overlays/worldOverlay.js';
 import * as locations from '../../locations.js';
 import * as picking from '../../data/pickRegistry.js';
-import * as terrain from '../../data/terrainHeights.js';
-import * as ground from '../../data/groundFloor.js';
-import * as mesh from '../../data/meshFloorSampler.js';
 import * as focus from '../../data/focusDeemphasis.js';
 import * as render from '../../renderGovernor.js';
 
 /** Construct one layer using the application scene owners and a supplied source. */
-export function createApplicationCctv({ source }) {
+export function createApplicationCctv({ surface, source }) {
+  const { terrain, groundFloor: ground, meshFloor: mesh } = surface;
   return createCctvLayer({
     source,
     services: {