Function isTerminalToolResult

src/utils/conversationRecovery.ts:348–373

* Is this tool_result the output of a tool that legitimately terminates a * turn? SendUserMessage is the canonical case: in brief mode, calling it is * the turn's final act — there is no follow-up assistant text (#20467 * removed it). A transcript ending here means the turn COMPLETED, not that *

(
  result: NormalizedUserMessage,
  messages: NormalizedMessage[],
  resultIdx: number,
)

 * interleaved.
 */
function isTerminalToolResult(
  result: NormalizedUserMessage,
  messages: NormalizedMessage[],
  resultIdx: number,
): boolean {
  const content = result.message.content
  if (!Array.isArray(content)) return false
  const block = content[0]
  if (block?.type !== 'tool_result') return false
  const toolUseId = block.tool_use_id

  for (let i = resultIdx - 1; i >= 0; i--) {
    const msg = messages[i]!
    if (msg.type !== 'assistant') continue
    for (const b of msg.message.content) {
      if (b.type === 'tool_use' && b.id === toolUseId) {
        return (
          b.name === BRIEF_TOOL_NAME ||
          b.name === LEGACY_BRIEF_TOOL_NAME ||
          b.name === SEND_USER_FILE_TOOL_NAME
        )
      }
    }
  }
  return false
}

/**
 * Restores skill state from invoked_skills attachments in messages.