test(i18n): validate nested housekeeping translation groups

src/app/(site)/me/DashboardTasks.test.tsx

@@ -87,7 +87,7 @@ describe("dashboard task presentation", () => {
 			mkdirSync(output, { recursive: true });
 			writeFileSync(
 				join(output, "tasks.html"),
-				`<!doctype html><html lang="it"><meta name="viewport" content="width=device-width, initial-scale=1"><style>:root{--color-border:#ddd;--color-primary:#a34023;--color-text-muted:#777;--color-surface:#fff}*{box-sizing:border-box}body{font:16px Arial;background:#f7f5f2;margin:0;padding:20px}main{max-width:1000px;margin:auto}a{color:#943712;text-decoration:none}.p-5{padding:20px}.surface-card{border:1px solid #ddd;border-radius:16px;padding:12px}h3{margin:12px}${css.replaceAll(".tasks", "." + taskClass)}</style><main>${html}<div id="referral-reward">Premio inviti</div></main></html>`,
+				`<!doctype html><html lang="it"><meta name="viewport" content="width=device-width, initial-scale=1"><style>:root{--color-border:#ddd;--color-primary:#a34023;--color-text-muted:#777;--color-surface:#fff}*{box-sizing:border-box}body{font:16px Arial;background:#f7f5f2;margin:0;padding:20px}main{max-width:1000px;margin:auto}a{color:#943712;text-decoration:none}.p-5{padding:20px}.surface-card{border:1px solid #ddd;border-radius:16px;padding:12px}h3{margin:12px}${css.replaceAll(".tasks", `.${taskClass}`)}</style><main>${html}<div id="referral-reward">Premio inviti</div></main></html>`,
 			);
 		}
 	});

src/i18n/housekeeping-messages.test.ts

@@ -5,6 +5,17 @@ import { visibleAdminNavigation } from "@/lib/admin-navigation";
 import en from "@/messages/en.json";
 import itMessages from "@/messages/it.json";
 
+function leafKeys(messages: Record<string, unknown>, prefix = ""): string[] {
+	return Object.entries(messages).flatMap(([key, value]) => {
+		const path = prefix ? `${prefix}.${key}` : key;
+		return typeof value === "string"
+			? [path]
+			: value && typeof value === "object"
+				? leafKeys(value as Record<string, unknown>, path)
+				: [];
+	});
+}
+
 it.each([
 	["en", en],
 	["it", itMessages],
@@ -34,7 +45,7 @@ it.each([
 		]);
 		for (const key of keys) translate(`pages.admin.nav.${key}`);
 		for (const area of ["actions", "table", "cmsErrors", "workQueue"] as const)
-			for (const key of Object.keys(en.pages.admin[area]))
+			for (const key of leafKeys(en.pages.admin[area]))
 				translate(`pages.admin.${area}.${key}`, {
 					count: 2,
 					action: "Save",