// Generic DELMIA recipe-download — performed DIRECTLY on the composed DelmiaReceiver child
// (mirrors how MesMoveIn writes the MESReceiver child) instead of delegating via CallScript.
// No side logic; the receiver's own DelmiaReceiver.Download method holds the same handshake.
var recv = Children["DelmiaRecv"];
System.Func<object,bool> IsTrue = v => { var s=v?.ToString(); return (v is bool b && b)||s=="1"||string.Equals(s,"true",System.StringComparison.OrdinalIgnoreCase); };
System.Func<string,object?> P = k => Parameters.ContainsKey(k) ? Parameters[k] : null;
if (!IsTrue(recv.Attributes["ReadyFlag"]))
    return new { Result=false, ResultText="Receiver ready flag not set to true" };
try {
    recv.Attributes["RecipeProcessedFlag"] = false;
    var data = new System.Collections.Generic.Dictionary<string, object?> {
        { "DownloadPath", P("DownloadPath") },
        { "WorkOrderNumber", P("WorkOrderNumber") },
        { "PartNumber", P("PartNumber") },
        { "JobStepNumber", P("JobStepNumber") },
        { "Username", P("Username") },
    };
    if (!await recv.Attributes.WriteBatchAndWaitAsync(data, "RecipeDownloadFlag", true, "RecipeProcessedFlag", true, System.TimeSpan.FromSeconds(25)))
        return new { Result=false, ResultText="Timeout waiting for recipe to be processed" };
    return new {
        Result = IsTrue(recv.Attributes["RecipeProcessResult"]),
        ResultText = recv.Attributes["RecipeProcessResultText"]?.ToString() ?? ""
    };
} catch (Exception ex) {
    return new { Result=false, ResultText="RecipeDownload failed: " + ex.Message };
}