refactor(admin): remove legacy menu editor

src/features/housekeeping/foundation/foundation-source-contract.test.ts

@@ -612,8 +612,8 @@ describe("housekeeping foundation completion contracts", () => {
 			HOUSEKEEPING_MIGRATION_MATRIX,
 		);
 
-		expect(HOUSEKEEPING_MIGRATION_MATRIX).toHaveLength(139);
-		expect(discovered).toHaveLength(139);
+		expect(HOUSEKEEPING_MIGRATION_MATRIX).toHaveLength(138);
+		expect(discovered).toHaveLength(138);
 		expect(issues).toEqual([]);
 	});
 });

src/features/housekeeping/migration/discover-legacy-pages.test.ts

@@ -29,7 +29,7 @@ describe("discoverLegacyPages", () => {
 	it("discovers the exact legacy administration inventory", () => {
 		const pages = discoverLegacyPages();
 
-		expect(pages).toHaveLength(139);
+		expect(pages).toHaveLength(138);
 		expect(pages).toContainEqual({
 			surface: "admin",
 			legacyPath: "/admin/users/:id/edit",

src/features/housekeeping/migration/matrix.test.ts

@@ -4,10 +4,10 @@ import { HOUSEKEEPING_MIGRATION_MATRIX } from "./matrix";
 import { validateMigrationEntries } from "./validate-matrix";
 
 describe("HOUSEKEEPING_MIGRATION_MATRIX", () => {
-	it("covers all 139 legacy pages exactly once", () => {
+	it("covers all 138 legacy pages exactly once", () => {
 		const discovered = discoverLegacyPages();
 
-		expect(HOUSEKEEPING_MIGRATION_MATRIX).toHaveLength(139);
+		expect(HOUSEKEEPING_MIGRATION_MATRIX).toHaveLength(138);
 		expect(
 			validateMigrationEntries(discovered, HOUSEKEEPING_MIGRATION_MATRIX),
 		).toEqual([]);

src/features/housekeeping/migration/system.test.ts

@@ -13,14 +13,13 @@ const SYSTEM_PREFIXES = [
 	"/admin/housekeeping",
 	"/admin/logs",
 	"/admin/maintenance",
-	"/admin/menu",
 	"/admin/permissions",
 	"/admin/settings",
 ] as const;
 
 describe("systemMigrationEntries", () => {
-	it("covers all 20 System pages exactly once", () => {
-		expect(systemMigrationEntries).toHaveLength(20);
+	it("covers all 19 System pages exactly once", () => {
+		expect(systemMigrationEntries).toHaveLength(19);
 		expect(
 			validateMigrationEntries(
 				ownedLegacyPages(SYSTEM_PREFIXES),
@@ -37,11 +36,6 @@ describe("systemMigrationEntries", () => {
 					decision: "REMOVE",
 					targetPath: null,
 				}),
-				expect.objectContaining({
-					legacyPath: "/admin/menu",
-					decision: "REMOVE",
-					targetPath: null,
-				}),
 			]),
 		);
 	});

src/features/housekeeping/migration/system.ts

@@ -346,28 +346,6 @@ export const systemMigrationEntries: readonly MigrationEntry[] = [
 		accessibility: "PARTIAL",
 		notes: ["Maintenance changes global login availability and splash content"],
 	}),
-	plannedSystemEntry({
-		surface: "admin",
-		legacyPath: "/admin/menu",
-		sourceFile: "src/app/admin/menu/page.tsx",
-		targetPath: null,
-		decision: "REMOVE",
-		capabilities: {
-			read: [PERMS.SETTINGS_VIEW],
-			mutate: [PERMS.SETTINGS_EDIT],
-		},
-		dependencies: {
-			queries: ["ADMIN_NAV_GROUPS", "siteSettings.get"],
-			mutations: ["saveAdminNavConfig", "siteSettings.update"],
-		},
-		auditRequirement: "PRIVILEGED_MUTATION",
-		localization: "PARTIAL",
-		accessibility: "PARTIAL",
-		requiredTests: ["integration", "e2e"],
-		notes: [
-			"Remove the manual legacy menu editor because foundation manifests own navigation",
-		],
-	}),
 	plannedSystemEntry({
 		surface: "admin",
 		legacyPath: "/admin/permissions",