feat: load remote map config and constrain tile bounds

miniprogram/engine/renderer/mapRenderer.ts

@@ -1,12 +1,14 @@
 import { type CameraState } from '../camera/camera'
 import { type TileStoreStats } from '../tile/tileStore'
 import { type LonLatPoint } from '../../utils/projection'
+import { type TileZoomBounds } from '../../utils/remoteMapConfig'
 
 export interface MapScene {
   tileSource: string
   zoom: number
   centerTileX: number
   centerTileY: number
+  tileBoundsByZoom: Record<number, TileZoomBounds> | null
   viewportWidth: number
   viewportHeight: number
   visibleColumns: number
@@ -42,3 +44,5 @@ export function buildCamera(scene: MapScene): CameraState {
     rotationRad: scene.rotationRad,
   }
 }
+
+