Function stripResolvedApprovals

packages/effect/src/unstable/ai/LanguageModel.ts:1935–1981

(
  prompt: Prompt.Prompt,
  approved: ReadonlyArray<ApprovalResult>,
  denied: ReadonlyArray<ApprovalResult>
)

 * requests it never issued).
 */
const stripResolvedApprovals = (
  prompt: Prompt.Prompt,
  approved: ReadonlyArray<ApprovalResult>,
  denied: ReadonlyArray<ApprovalResult>
): Prompt.Prompt => {
  const resolvedApprovalIds = new Set<string>()
  for (const a of approved) resolvedApprovalIds.add(a.approvalId)
  for (const d of denied) resolvedApprovalIds.add(d.approvalId)

  const cleanedMessages: Array<Prompt.Message> = []

  for (const message of prompt.content) {
    if (message.role === "assistant") {
      const filteredContent = message.content.filter(
        (part) =>
          part.type !== "tool-approval-request" ||
          !resolvedApprovalIds.has(part.approvalId)
      )
      if (filteredContent.length > 0) {
        cleanedMessages.push(
          Prompt.makeMessage("assistant", {
            content: filteredContent,
            options: message.options
          })
        )
      }
    } else if (message.role === "tool") {
      const filteredContent = message.content.filter(
        (part) =>
          part.type !== "tool-approval-response" ||
          !resolvedApprovalIds.has(part.approvalId)
      )
      if (filteredContent.length > 0) {
        cleanedMessages.push(
          Prompt.makeMessage("tool", {
            content: filteredContent,
            options: message.options
          })
        )
      }
    } else {
      cleanedMessages.push(message)
    }
  }

  return Prompt.fromMessages(cleanedMessages)
}

const isApprovalNeeded = Effect.fnUntraced(function*<T extends Tool.Any>(
  tool: T,