Function useSubChatDraft

src/renderer/features/agents/lib/drafts.ts:308–317

(
  parentChatId: string | null,
  subChatId: string
)

 * Hook to get a specific sub-chat draft
 */
export function useSubChatDraft(
  parentChatId: string | null,
  subChatId: string
): string | null {
  const draftsCache = useSubChatDraftsCache()

  if (!parentChatId) return null
  const key = getSubChatDraftKey(parentChatId, subChatId)
  return draftsCache[key] || null
}

// ============================================
// Attachment persistence utilities