/** * Resolve `catalog:` dependency specs using the workspace catalog. * * Pure function: returns a new record with every `catalog:…` value replaced by * the concrete version string found in `catalog`. Throws on missing entries. */export function resolveCatalogDependencies(  dependencies: Record<string, string>,  catalog: Record<string, string>,  label: string,): Record<string, string> {  return Object.fromEntries(    Object.entries(dependencies).map(([name, spec]) => {      if (typeof spec !== "string" || !spec.startsWith("catalog:")) {        return [name, spec];      }       const catalogKey = spec.slice("catalog:".length).trim();      const lookupKey = catalogKey.length > 0 ? catalogKey : name;      const resolved = catalog[lookupKey];       if (typeof resolved !== "string" || resolved.length === 0) {        throw new Error(          `Unable to resolve '${spec}' for ${label} dependency '${name}'. Expected key '${lookupKey}' in root workspace catalog.`,        );      }       return [name, resolved];    }),  );}