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

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

export interface ContentTextPart {
  type: 'text'
  text: string
}

export interface ContentImagePart {
  type: 'image'
  image: string
  mimeType: string
  name?: string
}

export type ContentPart = ContentTextPart | ContentImagePart