Function createContentChunk

testing/panel/src/lib/recording.ts:80–93

(
    content: string,
    delta: string | undefined,
    model: string,
    timestamp: number,
    id: string,
  )

  // Helper to reconstruct StreamChunk from events
  const createContentChunk = (
    content: string,
    delta: string | undefined,
    model: string,
    timestamp: number,
    id: string,
  ): StreamChunk => ({
    type: 'content',
    content,
    delta: delta ?? '',
    model,
    timestamp,
    id,
  })

  const createToolCallChunk = (
    toolCallId: string,