export type MessagePartType = 'text' | 'reasoning' | 'tool-call' | 'tool-result' | 'tool-approval'

export interface MessagePart {
  id: string
  type: MessagePartType
  text?: string
  toolName?: string
  toolCallId?: string
  args?: unknown
  result?: unknown
  state?: 'call' | 'result' | 'approval-requested' | 'approval-responded'
  approvalId?: string
  approved?: boolean
  approvalReason?: string
  isAutomaticApproval?: boolean
  reasoningLoading?: boolean
  reasoningDuration?: number
}