Function convertSDKMessage

src/remote/sdkMessageAdapter.ts:169–301

(
  msg: SDKMessage,
  opts?: ConvertOptions,
)

 * Convert an SDKMessage to REPL message format
 */
export function convertSDKMessage(
  msg: SDKMessage,
  opts?: ConvertOptions,
): ConvertedMessage {
  switch (msg.type) {
    case 'assistant':
      return {
        type: 'message',
        message: convertAssistantMessage(msg as SDKAssistantMessage),
      }

    case 'user': {
      const userMsg = msg as SDKUserMessage
      const content = userMsg.message?.content
      // Tool result messages from the remote server need to be converted so
      // they render and collapse like local tool results. Detect via content
      // shape (tool_result blocks) — parent_tool_use_id is NOT reliable: the
      // agent-side normalizeMessage() hardcodes it to null for top-level
      // tool results, so it can't distinguish tool results from prompt echoes.
      const isToolResult =
        Array.isArray(content) && content.some(b => b.type === 'tool_result')
      if (opts?.convertToolResults && isToolResult) {
        return {
          type: 'message',
          message: createUserMessage({
            content,
            toolUseResult: userMsg.tool_use_result,
            uuid: userMsg.uuid,
            timestamp: userMsg.timestamp,
          }),
        }
      }
      // When converting historical events, user-typed messages need to be
      // rendered (they weren't added locally by the REPL). Skip tool_results
      // here — already handled above.
      if (opts?.convertUserTextMessages && !isToolResult) {
        if (typeof content === 'string' || Array.isArray(content)) {
          return {
            type: 'message',
            message: createUserMessage({
              content,
              toolUseResult: userMsg.tool_use_result,
              uuid: userMsg.uuid,
              timestamp: userMsg.timestamp,
            }),
          }
        }
      }
      // User-typed messages (string content) are already added locally by REPL.
      // In CCR mode, all user messages are ignored (tool results handled differently).
      return { type: 'ignored' }
    }

    case 'stream_event':
      return {
        type: 'stream_event',
        event: convertStreamEvent(msg as SDKPartialAssistantMessage),
      }