Function hasToolResultContent

src/utils/attachments.ts:2454–2456

* Check whether a user message's content contains tool_result blocks. * This is more reliable than checking `toolUseResult === undefined` because * sub-agent tool result messages explicitly set `toolUseResult` to `undefined` * when `preserveToolUseResults` is false (the default for Explore agents

(content: unknown)

 * when `preserveToolUseResults` is false (the default for Explore agents).
 */
function hasToolResultContent(content: unknown): boolean {
  return Array.isArray(content) && content.some(isToolResultBlock)
}

/**
 * Tools that succeeded (and never errored) since the previous real turn