Function appendAssistantDelta

sdk/coding-agent-cli/src/tui/App.tsx:824–850

(
  items: TranscriptEntry[],
  assistantId: string,
  text: string
)

}

function appendAssistantDelta(
  items: TranscriptEntry[],
  assistantId: string,
  text: string
) {
  const last = items.at(-1)

  if (last?.kind === "assistant" && last.id.startsWith(`assistant-${assistantId}`)) {
    return items.map((item, index) =>
      index === items.length - 1 ? { ...item, text: item.text + text } : item
    )
  }

  const segmentCount = items.filter((item) =>
    item.id.startsWith(`assistant-${assistantId}`)
  ).length

  return [
    ...items,
    {
      id: `assistant-${assistantId}-${segmentCount}`,
      kind: "assistant" as const,
      label: "agent",
      text,
    },
  ]
}

function applyAgentEvent(
  items: TranscriptEntry[],