ui phase 13

client/src/config.ts

@@ -9,6 +9,13 @@ export const PUBLIC_URL = process.env.NEXT_PUBLIC_PUBLIC_URL; // Variant 2: .env
 
 export const API_URL = envRequired(process.env.NEXT_PUBLIC_API_URL);
 
+/**
+ * The public web origin (no trailing slash), used only for absolute-URL metadata (OG tags,
+ * `metadataBase`, `robots.ts`/`sitemap.ts`) — never for API calls. Falls back to localhost so
+ * dev/CI keep working without the env var set; set it for real in production.
+ */
+export const SITE_URL = (process.env.NEXT_PUBLIC_SITE_URL || 'http://localhost:3000').replace(/\/$/, '');
+
 /**
  * The Neshan **web** key (client-embeddable maps/search), separate from the server's
  * `NeshanGeocoder` server key (refinement phase 8). Optional — `AddressMapPicker` falls back to