refactor(catalog): unify commands and embed guarded catalog workspace

src/features/catalog/domain/search.ts

@@ -0,0 +1,32 @@
+import { CatalogInputError } from "./hierarchy";
+export type SearchCatalogKind = "normal" | "bc";
+export interface CatalogSearchResult {
+	kind: "category" | "offer";
+	id: number;
+	pageId: number;
+	caption: string;
+	path: string[];
+	href: string;
+	furniture?: { id: number; classname: string; spriteId: number };
+}
+export function validSearchQuery(query: string) {
+	const value = query.trim();
+	return query.length <= 100 && (value.length >= 2 || /^\d$/.test(value));
+}
+export function parseCatalogSearch(kind: string, query: string) {
+	if (kind !== "normal" && kind !== "bc")
+		throw new CatalogInputError("Invalid catalog type");
+	if (!validSearchQuery(query))
+		throw new CatalogInputError(
+			"Search requires 2 to 100 characters or a numeric ID",
+		);
+	const value = query.trim();
+	const parsed = /^\d+$/.test(value) ? Number(value) : NaN;
+	const numericId = Number.isSafeInteger(parsed) && parsed >= 0 ? parsed : null;
+	return {
+		kind,
+		query: value,
+		numericId,
+		pattern: `${value.replace(/[=%_]/g, (char) => `=${char}`)}%`,
+	};
+}