Function toInternalMessages

src/utils/messages/mappers.ts:26–74

(
  messages: readonly DeepImmutable<SDKMessage>[],
)

import { getPlan } from '../plans.js'

export function toInternalMessages(
  messages: readonly DeepImmutable<SDKMessage>[],
): Message[] {
  return messages.flatMap(message => {
    switch (message.type) {
      case 'assistant':
        return [
          {
            type: 'assistant',
            message: message.message,
            uuid: message.uuid,
            requestId: undefined,
            timestamp: new Date().toISOString(),
          } as Message,
        ]
      case 'user':
        return [
          {
            type: 'user',
            message: message.message,
            uuid: message.uuid ?? randomUUID(),
            timestamp: message.timestamp ?? new Date().toISOString(),
            isMeta: message.isSynthetic,
          } as Message,
        ]
      case 'system':
        // Handle compact boundary messages
        if (message.subtype === 'compact_boundary') {
          const compactMsg = message
          return [
            {
              type: 'system',
              content: 'Conversation compacted',
              level: 'info',
              subtype: 'compact_boundary',
              compactMetadata: fromSDKCompactMetadata(
                compactMsg.compact_metadata,
              ),
              uuid: message.uuid,
              timestamp: new Date().toISOString(),
            },
          ]
        }
        return []
      default:
        return []
    }
  })
}

type SDKCompactMetadata = SDKCompactBoundaryMessage['compact_metadata']