fix(types): GeoJSON via explizite geojson-Imports

Kit-Bump auf 2.65 entfernte transitives @types/geojson aus dem Lockfile —
CI-tsc fand den globalen GeoJSON-Namespace nicht mehr. @types/geojson als
devDependency + explizite Type-Imports statt UMD-Namespace.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

package-lock.json

@@ -31,6 +31,7 @@
         "@sveltejs/kit": "^2.65.0",
         "@sveltejs/vite-plugin-svelte": "^5.0.3",
         "@tailwindcss/vite": "^4.1.18",
+        "@types/geojson": "^7946.0.16",
         "@types/node": "^22.10.0",
         "@types/qrcode": "^1.5.6",
         "@types/sanitize-html": "^2.13.0",

package.json

@@ -25,6 +25,7 @@
     "@sveltejs/kit": "^2.65.0",
     "@sveltejs/vite-plugin-svelte": "^5.0.3",
     "@tailwindcss/vite": "^4.1.18",
+    "@types/geojson": "^7946.0.16",
     "@types/node": "^22.10.0",
     "@types/qrcode": "^1.5.6",
     "@types/sanitize-html": "^2.13.0",

src/lib/wind-area-export.ts

@@ -1,4 +1,5 @@
 import { env } from '$env/dynamic/public';
+import type { FeatureCollection, Geometry } from 'geojson';
 import type { WindArea } from '$lib/windkarte';
 
 const CMS_BASE = () =>
@@ -17,7 +18,7 @@ export function filterByGebietsNr(areas: WindArea[], id: string | null): WindAre
   return areas.filter((a) => a.gebiets_nr === id);
 }
 
-export function toGeoJSON(areas: WindArea[]): GeoJSON.FeatureCollection {
+export function toGeoJSON(areas: WindArea[]): FeatureCollection {
   return {
     type: 'FeatureCollection',
     features: areas
@@ -51,7 +52,7 @@ function coordsToKml(ring: number[][]): string {
   return ring.map(([lng, lat]) => `${lng},${lat},0`).join(' ');
 }
 
-function geometryToKml(geom: GeoJSON.Geometry): string {
+function geometryToKml(geom: Geometry): string {
   if (geom.type === 'Polygon') {
     const [outer, ...holes] = geom.coordinates;
     return `<Polygon>

src/lib/windkarte.ts

@@ -1,3 +1,5 @@
+import type { Geometry } from 'geojson';
+
 export type TextFragment = {
   _slug: string;
   id?: string;
@@ -22,5 +24,5 @@ export type WindArea = {
   stellungnahmeUrl?: string | null;
   stellungnahme_kriterien?: Array<TextFragment | { _slug: string } | string> | null;
   notizen?: string;
-  geometry?: GeoJSON.Geometry;
+  geometry?: Geometry;
 };