enable dev|prod envs with simpler env vars system

frontend/src/routes/[fam]/+layout.server.ts

@@ -1,4 +1,5 @@
-import { PROXY_URL } from '$lib/server/env';
+import { PROXY_URL } from '$app/env/public';
+import { pbAdmin } from '$lib/server/pb-admin';
 
 const HONO_URL = PROXY_URL;
 
@@ -77,5 +78,16 @@ export async function load(event) {
 		}
 	}
 
-	return { session, isParent, role: session?.role || 'child', famId, chat, deviceToken };
+	return {
+		session,
+		isParent,
+		role: session?.role || 'child',
+		famId,
+		chat,
+		deviceToken,
+		// fams is superadmin-only (non-realtime). Fetched server-side for both roles.
+		fam: famId
+			? await pbAdmin.getOne('fams', famId).catch(() => null)
+			: null
+	};
 }