fix(housekeeping): canonicalize live cutover links

src/features/housekeeping/cutover/route-cutover.test.ts

@@ -1,4 +1,5 @@
-import { existsSync, readFileSync } from "node:fs";
+import { existsSync, readdirSync, readFileSync } from "node:fs";
+import { join, posix } from "node:path";
 import { describe, expect, it } from "vitest";
 
 const PREVIEW_ENTRYPOINTS = [
@@ -14,13 +15,25 @@ const PREMATURE_UI_ROOTS = [
 	["src/app/admin", "-next"].join(""),
 	["src/app", "ase"].join("/"),
 ] as const;
-const STABLE_GLOBAL_SOURCES = [
+const CUTOVER_GLOBAL_SOURCES = [
 	"src/lib/admin/guard.ts",
-	"src/lib/proxy-access.ts",
 	"src/components/navigation.tsx",
-	"src/components/top-header.tsx",
 ] as const;
 
+function liveSourceFiles(root: string): readonly string[] {
+	return readdirSync(root, { withFileTypes: true }).flatMap((entry) => {
+		const path = posix.normalize(join(root, entry.name).replaceAll("\\", "/"));
+		if (entry.isDirectory()) {
+			if (path === "src/features/housekeeping/migration") return [];
+			return liveSourceFiles(path);
+		}
+		if (!/\.(?:ts|tsx)$/u.test(entry.name) || entry.name.includes(".test.")) {
+			return [];
+		}
+		return [path];
+	});
+}
+
 describe("gated Housekeeping preview coexistence", () => {
 	it("publishes the /ase-next entrypoints and dispatcher", () => {
 		for (const path of PREVIEW_ENTRYPOINTS) {
@@ -58,9 +71,9 @@ describe("gated Housekeeping preview coexistence", () => {
 		expect(gate).toContain("input.flag");
 	});
 
-	it("leaves stable global links and authorization fallbacks on /admin and /mod", () => {
-		for (const path of STABLE_GLOBAL_SOURCES) {
-			expect(readFileSync(path, "utf8"), path).not.toContain("/ase-next");
+	it("canonicalizes Housekeeping links while retaining /admin and /mod", () => {
+		for (const path of CUTOVER_GLOBAL_SOURCES) {
+			expect(readFileSync(path, "utf8"), path).toContain("/ase-next");
 		}
 		expect(readFileSync("src/components/top-header.tsx", "utf8")).toContain(
 			'href="/admin"',
@@ -78,4 +91,24 @@ describe("gated Housekeeping preview coexistence", () => {
 			);
 		}
 	});
+
+	it("keeps live Housekeeping links on the canonical namespace", () => {
+		const staleRoute = new RegExp(
+			[
+				"/",
+				"ase",
+				"(?:[/?#]|[",
+				'"',
+				"'",
+				String.fromCharCode(96),
+				"]|$)",
+			].join(""),
+			"u",
+		);
+		const violations = liveSourceFiles("src").filter((path) =>
+			staleRoute.test(readFileSync(path, "utf8")),
+		);
+
+		expect(violations).toEqual([]);
+	});
 });