database driven image uploader and storage service model

src/app/services/app-config.service.ts

@@ -42,3 +42,16 @@ export const appConfigInitProvider = {
 export function getAppConfig(): AppConfig {
   return _appConfig;
 }
+
+/** Resolve an image URL for rendering.
+ * - Absolute HTTP(S) URLs are returned as-is.
+ * - Static SVG assets (svg/…) are served by the Angular build — returned as-is.
+ * - API paths (/api/storage/…) and legacy paths (uploads/…) are prefixed with apiBaseUrl.
+ */
+export function resolveImageUrl(url: string): string {
+  if (!url) return '';
+  if (url.startsWith('http://') || url.startsWith('https://')) return url;
+  if (url.startsWith('svg/')) return url;
+  if (url.startsWith('/')) return `${getAppConfig().apiBaseUrl}${url}`;
+  return `${getAppConfig().apiBaseUrl}/${url}`;
+}