fix: use JSON FurnitureData from gamedata

src/lib/services/furni-data.ts

@@ -9,20 +9,25 @@ import { siteSettings } from "@/lib/services/site-settings";
 import type { FurniMetadata } from "@/lib/services/swf-to-nitro";
 
 const LOCK_STALE_MS = 60_000;
+const DEFAULT_FURNI_DATA_URL = "/gamedata/config/FurnitureData.json";
 
 /**
  * Resolve the FurnitureData file path from the admin setting
- * `furni_data_url` (e.g. `/nitro-assets/config/FurnitureData.json5`) mapped
- * under the public/ directory. Falls back to the json5 path if the setting
- * is unset.
+ * `furni_data_url`. The production `/gamedata` mount maps to the configured
+ * Gamedata filesystem root; other relative URLs map under public/.
  */
 export async function getFurnitureDataPath(): Promise<string> {
 	const url =
-		(await siteSettings.get(
-			"furni_data_url",
-			"/nitro-assets/config/FurnitureData.json5",
-		)) ?? "/nitro-assets/config/FurnitureData.json5";
+		(await siteSettings.get("furni_data_url", DEFAULT_FURNI_DATA_URL)) ??
+		DEFAULT_FURNI_DATA_URL;
 	if (path.isAbsolute(url) && !url.startsWith("/")) return url;
+	if (url === "/gamedata" || url.startsWith("/gamedata/")) {
+		const gamedataRoot = await getGamedataRoot();
+		if (gamedataRoot) {
+			const relative = url.replace(/^\/gamedata\/?/, "");
+			return path.join(/*turbopackIgnore: true*/ gamedataRoot, relative);
+		}
+	}
 	const relative = url.replace(/^\/+/, "");
 	// The `relative` segment is admin-configurable so its concrete value is
 	// unknown at build time; without the hint Turbopack traces the entire