Function folderForRelativePath

apps/desktop/src/main/vault.ts:1175–1182

(rel: string)

}

export function folderForRelativePath(rel: string): NoteFolder | null {
  const normalized = normalizeVaultRelativePath(rel)
  const top = normalized.split('/')[0]
  if (SYSTEM_FOLDERS.has(top as NoteFolder)) return top as NoteFolder
  if (!top || top.startsWith('.')) return null
  if (RESERVED_ROOT_NAMES.has(top)) return null
  return 'inbox'
}

/**
 * Ensure the expected vault folder layout exists and seed a welcome note