Function loadApproval

Returns {
    actionClass: ActionClass;
    agentId: string;
    approvalId: string;
    boundHashes: {
        intentHash: string;
        policyHash: string;
        toolsHash: string;
        workOrderHash?: string | null;
    };
    createdTs: number;
    decision?: "DENIED"
    | "APPROVED"
    | null;
    decisionBy?: "owner" | null;
    decisionReceiptId?: string | null;
    decisionTs?: number | null;
    effectiveMode: ExecutionMode;
    expiresTs: number;
    intentId: string;
    reason?: string | null;
    requestedMode: ExecutionMode;
    riskTier: "low" | "high" | "critical" | "medium";
    status: "EXPIRED" | "DENIED" | "PENDING" | "CONSUMED" | "APPROVED";
    toolName: string;
    v: 1;
    workOrderId?: string | null;
}