KI-AGENT: Mobile TestFlight Build vorbereiten

- EAS-Profil und Scripts für TestFlight ergänzt
- Node 22 für Mobile-Builds festgelegt und README aktualisiert
- Expo-SDK-Abhängigkeiten für expo-doctor angeglichen

mobile/src/lib/api.ts

@@ -508,7 +508,7 @@ export async function createCustomerInventoryItem(
 }
 
 export async function fetchPlants(token: string, includeArchived = false): Promise<Plant[]> {
-  const plants = await apiRequest<Array<Plant & { description?: unknown }>>('/api/resource/plants', { token });
+  const plants = await apiRequest<(Plant & { description?: unknown })[]>('/api/resource/plants', { token });
   const normalized = (plants || []).map((plant) => {
     const legacyDescription = typeof plant.description === 'string'
       ? plant.description