Function folderOf

apps/desktop/src/mcp/vault-ops.ts:339–349

(root: string, abs: string)

}

function folderOf(root: string, abs: string): NoteFolder | null {
  const rel = toPosix(path.relative(root, abs))
  if (!rel || rel.startsWith('..')) return null
  const top = rel.split('/')[0]
  if (FOLDERS.includes(top as NoteFolder)) return top as NoteFolder
  // Root-level files belong to inbox in `primaryNotesLocation: 'root'`
  // mode. Hidden names (.zennotes, attachments, system folders) are
  // not notes — return null so they're rejected.
  if (!top || top.startsWith('.') || HIDDEN_PRIMARY_ROOT_NAMES.has(top)) return null
  return 'inbox'
}

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