fix(housekeeping): preserve radio key compatibility

src/features/housekeeping/domains/hotel/services/mutations-runtime-radio.test.ts

@@ -1,3 +1,4 @@
+import { readFileSync } from "node:fs";
 import type { SQL } from "drizzle-orm";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import type { HousekeepingCapabilityContext } from "../../../foundation/contracts";
@@ -52,6 +53,24 @@ const context = {
 	legacy: true,
 };
 
+function readCuratedRadioSettingKeys(): string[] {
+	const pagePath = new URL(
+		"../../../../../app/admin/radio/settings/page.tsx",
+		import.meta.url,
+	);
+	const source = readFileSync(pagePath, "utf8");
+	const groupsStart = source.indexOf("const GROUPS: Group[] = [");
+	const groupsEnd = source.indexOf("const CURATED_KEYS", groupsStart);
+	if (groupsStart < 0 || groupsEnd < 0) {
+		throw new Error("Radio settings GROUPS source contract was not found");
+	}
+
+	return Array.from(
+		source.slice(groupsStart, groupsEnd).matchAll(/\bkey:\s*"([^"]+)"/g),
+		(match) => match[1],
+	);
+}
+
 beforeEach(() => {
 	state.rows = [];
 	state.writes = [];
@@ -69,6 +88,34 @@ describe("Hotel radio settings runtime", () => {
 		expect(state.writes).toEqual([]);
 	});
 
+	it.each(["radio_custom-setting.v2", "auto_dj_vendor:key/variant"])(
+		"accepts an existing custom prefixed setting key: %s",
+		async (key) => {
+			await executeHotelMutationOperation(
+				"radio.settings.save-one",
+				{ key, value: "configured" },
+				context,
+			);
+			expect(state.writes).toEqual([
+				expect.objectContaining({ key, value: "configured" }),
+			]);
+		},
+	);
+
+	it.each(["Radio_name", "AUTO_DJ_mode"])(
+		"rejects an uppercase setting prefix: %s",
+		async (key) => {
+			await expect(
+				executeHotelMutationOperation(
+					"radio.settings.save-one",
+					{ key, value: "configured" },
+					context,
+				),
+			).rejects.toBeInstanceOf(HotelMutationFailure);
+			expect(state.writes).toEqual([]);
+		},
+	);
+
 	it("rejects duplicate and invalid bulk entries atomically", async () => {
 		for (const entries of [
 			[
@@ -92,10 +139,13 @@ describe("Hotel radio settings runtime", () => {
 	});
 
 	it("accepts the complete 102-entry curated form within the 500-entry bound", async () => {
-		const entries = Array.from({ length: 102 }, (_, index) => ({
-			key: `radio_curated_${index}`,
+		const keys = readCuratedRadioSettingKeys();
+		const entries = keys.map((key, index) => ({
+			key,
 			value: `value-${index}`,
 		}));
+		expect(keys).toHaveLength(102);
+		expect(new Set(keys).size).toBe(102);
 
 		await executeHotelMutationOperation(
 			"radio.settings.save-many",
@@ -103,7 +153,7 @@ describe("Hotel radio settings runtime", () => {
 			context,
 		);
 
-		expect(state.writes).toHaveLength(102);
+		expect(state.writes.map(({ key }) => key)).toEqual(keys);
 	});
 
 	it("rejects a bulk request above 500 entries", async () => {

src/features/housekeeping/domains/hotel/services/mutations-runtime.ts

@@ -127,8 +127,8 @@ const roomRuntimeSchema = z
 	})
 	.strict();
 
-const settingKey = requiredText(255).refine((key) =>
-	/^(?:radio_|auto_dj_)[a-z0-9_]+$/i.test(key),
+const settingKey = requiredText(255).refine(
+	(key) => key.startsWith("radio_") || key.startsWith("auto_dj_"),
 );
 const settingSchema = z
 	.object({