Function calculateToolResultTokens

src/services/compact/microCompact.ts:138–157

(block: ToolResultBlockParam)

// Helper to calculate tool result tokens
function calculateToolResultTokens(block: ToolResultBlockParam): number {
  if (!block.content) {
    return 0
  }

  if (typeof block.content === 'string') {
    return roughTokenCountEstimation(block.content)
  }

  // Array of TextBlockParam | ImageBlockParam | DocumentBlockParam
  return block.content.reduce((sum, item) => {
    if (item.type === 'text') {
      return sum + roughTokenCountEstimation(item.text)
    } else if (item.type === 'image' || item.type === 'document') {
      // Images/documents are approximately 2000 tokens regardless of format
      return sum + IMAGE_MAX_TOKEN_SIZE
    }
    return sum
  }, 0)
}

/**
 * Estimate token count for messages by extracting text content