Function applyAgentEvent

sdk/coding-agent-cli/src/tui/App.tsx:852–914

(
  items: TranscriptEntry[],
  event: AgentEvent,
  assistantId: string
)

}

function applyAgentEvent(
  items: TranscriptEntry[],
  event: AgentEvent,
  assistantId: string
): TranscriptEntry[] {
  switch (event.type) {
    case "assistant_delta":
      return appendAssistantDelta(items, assistantId, event.text)
    case "thinking": {
      const text = compactText(event.text)
      return text
        ? upsertEntry(items, `thinking-${assistantId}`, "status", "think", text)
        : items
    }
    case "tool": {
      const id = event.callId
        ? `tool-${event.callId}`
        : `tool-${assistantId}-${event.name}`
      return upsertEntry(
        items,
        id,
        "tool",
        "tool",
        [
          formatToolStatus(event.status),
          formatToolIcon(event.name),
          event.name,
          event.params,
        ]
          .filter(Boolean)
          .join(" ")
      )
    }
    case "status":
      return ["CREATING", "RUNNING", "FINISHED"].includes(event.status)
        ? items
        : upsertEntry(
            items,
            `status-${assistantId}`,
            event.status === "ERROR" ? "error" : "status",
            "run",
            `${formatRunStatus(event.status)}${event.message ? ` ${event.message}` : ""}`
          )
    case "task": {
      const text = compactText([event.status, event.text].filter(Boolean).join(" "))
      return text
        ? upsertEntry(items, `task-${assistantId}`, "status", "task", text)
        : items
    }
    case "result": {
      const details = [
        event.status !== "finished" ? `status=${event.status}` : undefined,
        event.durationMs ? `duration=${formatDuration(event.durationMs)}` : undefined,
        event.usage?.inputTokens ? `input=${event.usage.inputTokens}` : undefined,
        event.usage?.outputTokens ? `output=${event.usage.outputTokens}` : undefined,
      ].filter(Boolean)

      return details.length > 0