export type ApprovalStatus = "approved" | "denied" | "expired" | "cancelled";

export type ApprovalRequest = {
  approvalId: string;
  sessionId: string;
  runId: string;
  toolCallId: string;
  toolName: string;
  arguments: unknown;
  riskLevel: "low" | "medium" | "high";
};

export type ApprovalResolution = {
  approvalId: string;
  status: ApprovalStatus;
};

export interface ApprovalBroker {
  request(input: ApprovalRequest, signal?: AbortSignal): Promise<ApprovalResolution>;
  approve(approvalId: string): ApprovalResolution;
  deny(approvalId: string): ApprovalResolution;
  cancelForSession(sessionId: string): number;
  cancelForRun(runId: string): number;
}