@mytec: iter2.2 ready for testing

frontend/src/services/api.ts

@@ -147,6 +147,64 @@ class ApiService {
     const data = await response.json();
     return data.elevation;
   }
+
+  // === Region / Caching API ===
+
+  async getRegions(): Promise<RegionInfo[]> {
+    const response = await fetch(`${API_BASE}/api/regions/available`);
+    if (!response.ok) throw new Error('Failed to fetch regions');
+    return response.json();
+  }
+
+  async downloadRegion(regionId: string): Promise<{ task_id: string; status: string }> {
+    const response = await fetch(`${API_BASE}/api/regions/download/${regionId}`, {
+      method: 'POST',
+    });
+    if (!response.ok) throw new Error('Failed to start download');
+    return response.json();
+  }
+
+  async getDownloadProgress(taskId: string): Promise<DownloadProgress> {
+    const response = await fetch(`${API_BASE}/api/regions/download/${taskId}/progress`);
+    if (!response.ok) throw new Error('Failed to get progress');
+    return response.json();
+  }
+
+  async getCacheStats(): Promise<CacheStats> {
+    const response = await fetch(`${API_BASE}/api/regions/cache/stats`);
+    if (!response.ok) throw new Error('Failed to get cache stats');
+    return response.json();
+  }
+}
+
+// === Region types ===
+
+export interface RegionInfo {
+  id: string;
+  name: string;
+  bbox: number[];
+  srtm_tiles: number;
+  estimated_size_gb: number;
+  downloaded: boolean;
+  download_progress: number;
+}
+
+export interface DownloadProgress {
+  task_id: string;
+  region_id: string;
+  status: string;
+  progress: number;
+  current_step: string;
+  downloaded_mb: number;
+  error?: string;
+}
+
+export interface CacheStats {
+  terrain_mb: number;
+  terrain_tiles: number;
+  buildings_mb: number;
+  water_mb: number;
+  vegetation_mb: number;
 }
 
 export const api = new ApiService();