Harden gameplay timing and map loading

lib/supabase.ts

@@ -4,11 +4,12 @@ import { createServerClient } from "@supabase/ssr";
 import { cookies } from "next/headers";
 import { cache } from "react";
 import type { Database } from "@/shared/database";
+import { ServiceError, checkServiceError } from "./service-error";
 let singleton: ReturnType<typeof createClient<Database>> | undefined;
 export function admin() {
   if (!process.env.NEXT_PUBLIC_SUPABASE_URL || !process.env.SUPABASE_SECRET_KEY)
-    throw new Error(
-      "Supabase configuration missing. Run npm run setup and configure .env.local.",
+    throw new ServiceError(
+      "MineGeo is not configured yet. Please try again later.",
     );
   return (singleton ??= createClient<Database>(
     process.env.NEXT_PUBLIC_SUPABASE_URL,
@@ -51,9 +52,9 @@ export const user = cache(async function user() {
 });
 export function required<T>(result: {
   data: T;
-  error: { message: string } | null;
+  error: { message: string; code?: string } | null;
 }): NonNullable<T> {
-  if (result.error) throw new Error(result.error.message);
+  checkServiceError(result.error);
   if (result.data === null || result.data === undefined)
     throw new Error("Record not found");
   return result.data as NonNullable<T>;