Add support for LUA scripts

LibreMetaverse/Caps.cs

@@ -159,6 +159,7 @@ public string CapabilityNameFromURI(Uri cap)
             "ChatSessionRequest",
             "CopyInventoryFromNotecard",
             "CreateInventoryCategory",
+            "CreateTaskInventoryItem",
             "DeclineFriendship",
             "DeclineGroupInvite",
             "DispatchRegionInfo",

LibreMetaverse/Inventory/InventoryBase.cs

@@ -157,6 +157,9 @@ public override string ToString()
         /// <summary>Combined flags from <see cref="InventoryItemFlags"/></summary>
         [Key("Flags")]
         public uint Flags { get; set; }
+        /// <summary>VM runtime for scripts (e.g. "lsl2", "mono", "luau"), from the task inventory response's metadata; null if not a script or not provided</summary>
+        [Key("Runtime")]
+        public string? Runtime { get; set; }
 
         /// <summary>Time and date the inventory item was created, stored as
         /// UTC (Coordinated Universal Time)</summary>
@@ -269,6 +272,9 @@ public static InventoryItem FromOSD(OSD data)
                 "inv_type": "script",
                 "item_id": "806baac6-64cd-daae-efff-627208ed1d2b",
                 "metadata": {
+                    "script": {
+                        "runtime": "luau"
+                    }
                 },
                 "name": "New Script",
                 "parent_id": "74a61033-366a-0b89-4d4b-649c5b0de2ad",
@@ -324,6 +330,10 @@ public static InventoryItem FromOSD(OSD data)
             item.AssetType = assetType;
             item.CreationDate = Utils.UnixTimeToDateTime(descItem["created_at"]);
             item.Flags = descItem["flags"];
+            if (descItem["metadata"] is OSDMap meta && meta["script"] is OSDMap scriptMeta && scriptMeta.TryGetValue("runtime", out var runtime))
+            {
+                item.Runtime = runtime.AsString();
+            }
 
             OSDMap perms = (OSDMap)descItem["permissions"];
             item.OwnerID = perms["owner_id"];

LibreMetaverse/Inventory/InventoryManager.Async.cs

@@ -362,13 +362,13 @@ private void SendCopyFromNotecardPacket(UUID objectID, UUID notecardID, UUID fol
         }
 
         public async Task<(bool uploadSuccess, string uploadStatus, bool compileSuccess, List<string>? compileMessages, UUID itemID, UUID assetID)> RequestUpdateScriptAgentInventoryAsync(
-            byte[] data, UUID itemID, bool mono, CancellationToken cancellationToken = default, IProgress<ProgressReport>? progress = null)
+            byte[] data, UUID itemID, ScriptTarget target = ScriptTarget.Mono, CancellationToken cancellationToken = default, IProgress<ProgressReport>? progress = null)
         {
             var cap = GetCapabilityURI("UpdateScriptAgent");
             if (cap == null)
                 throw new InvalidOperationException("UpdateScriptAgent capability is not currently available");
 
-            var request = new UpdateScriptAgentRequestMessage { ItemID = itemID, Target = mono ? "mono" : "lsl2" };
+            var request = new UpdateScriptAgentRequestMessage { ItemID = itemID, Target = ScriptTargetToString(target) };
             try
             {
                 var result = await PostCapAsync(cap, request.Serialize(), cancellationToken, progress).ConfigureAwait(false);
@@ -379,13 +379,13 @@ private void SendCopyFromNotecardPacket(UUID objectID, UUID notecardID, UUID fol
         }
 
         public async Task<(bool uploadSuccess, string uploadStatus, bool compileSuccess, List<string>? compileMessages, UUID itemID, UUID assetID)> RequestUpdateScriptTaskAsync(
-            byte[] data, UUID itemID, UUID taskID, bool mono, bool running, CancellationToken cancellationToken = default, IProgress<ProgressReport>? progress = null)
+            byte[] data, UUID itemID, UUID taskID, ScriptTarget target, bool running, CancellationToken cancellationToken = default, IProgress<ProgressReport>? progress = null)
         {
             var cap = GetCapabilityURI("UpdateScriptTask");
             if (cap == null)
                 throw new InvalidOperationException("UpdateScriptTask capability is not currently available");
 
-            var msg = new UpdateScriptTaskUpdateMessage { ItemID = itemID, TaskID = taskID, ScriptRunning = running, Target = mono ? "mono" : "lsl2" };
+            var msg = new UpdateScriptTaskUpdateMessage { ItemID = itemID, TaskID = taskID, ScriptRunning = running, Target = ScriptTargetToString(target) };
             try
             {
                 var result = await PostCapAsync(cap, msg.Serialize(), cancellationToken, progress).ConfigureAwait(false);
@@ -395,6 +395,49 @@ private void SendCopyFromNotecardPacket(UUID objectID, UUID notecardID, UUID fol
             catch (Exception ex) { return (false, ex.Message, false, null, UUID.Zero, UUID.Zero); }
         }
 
+        public async Task<(bool success, string name)> RequestCreateTaskScriptAsync(
+            UUID objectID, string name, string description, string vm, ScriptLanguage language,
+            CancellationToken cancellationToken = default)
+        {
+            var cap = GetCapabilityURI("CreateTaskInventoryItem");
+            if (cap == null)
+                throw new InvalidOperationException("CreateTaskInventoryItem capability is not currently available");
+
+            var msg = new CreateTaskInventoryItemMessage
+            {
+                ObjectID = objectID,
+                AssetType = AssetType.LSLText,
+                SubType = (int)language,
+                Name = name,
+                Description = description,
+                Vm = vm,
+                Enabled = true,
+                Permissions = new Permissions(
+                    (uint)int.MaxValue,
+                    0,
+                    0,
+                    (uint)(PermissionMask.Transfer | PermissionMask.Move),
+                    (uint)int.MaxValue)
+            };
+
+            try
+            {
+                var result = await PostCapAsync(cap, msg.Serialize(), cancellationToken).ConfigureAwait(false);
+                if (result is OSDMap map)
+                {
+                    var success = map["success"].AsBoolean();
+                    return (success, success ? map["name"].AsString() : map["message"].AsString());
+                }
+                return (false, string.Empty);
+            }
+            catch (OperationCanceledException) { throw; }
+            catch (Exception ex)
+            {
+                Logger.Error($"RequestCreateTaskScriptAsync failed for object {objectID}", ex, Client);
+                return (false, ex.Message);
+            }
+        }
+
         /// <summary>
         /// Async-first variant to request a single inventory item. Uses FetchInventory2 capability when available.
         /// </summary>
@@ -1460,6 +1503,29 @@ public async Task<CopyItemsResult> RequestCopyItemsWithResultAsync(List<UUID> it
                 return new CopyItemsResult { Success = false, CopiedItems = null, Error = ex };
             }
         }
+
+        public enum ScriptLanguage
+        {
+            LSL = 0,
+            Lua = 1
+        }
+
+        public enum ScriptTarget
+        {
+            LSL2,
+            Mono,
+            Luau,
+            LSLLuau
+        }
+
+        private static string ScriptTargetToString(ScriptTarget target) => target switch
+        {
+            ScriptTarget.LSL2    => "lsl2",
+            ScriptTarget.Mono    => "mono",
+            ScriptTarget.Luau    => "luau",
+            ScriptTarget.LSLLuau => "lsl-luau",
+            _                    => "mono"
+        };
     }
 }
 

LibreMetaverse/Inventory/InventoryManager.Handlers.cs

@@ -44,6 +44,11 @@ private async Task<OSD> PostCapAsync(Uri uri, OSD payload, CancellationToken can
             var result = await Client.HttpCapsClient.PostAsync(uri, OSDFormat.Xml, payload, cancellationToken, progress).ConfigureAwait(false);
             var responseData = result.data ?? throw new InvalidOperationException("Empty response from capability POST");
 
+            if (result.response.StatusCode != System.Net.HttpStatusCode.OK)
+            {
+                throw new System.Net.Http.HttpRequestException($"{result.response.StatusCode}({(int)result.response.StatusCode}): {System.Text.Encoding.UTF8.GetString(responseData)}");
+            }
+
             try { return OSDParser.Deserialize(responseData); }
             catch (Exception ex) { throw new InvalidOperationException($"Failed to parse capability response: {ex.Message}", ex); }
         }

LibreMetaverse/Messages/LindenMessages.cs

@@ -2736,6 +2736,66 @@ public void Deserialize(OSDMap map)
         }
     }
 
+    /// <summary>Request POSTed to the CreateTaskInventoryItem capability to create a new item in a task's inventory.</summary>
+    public class CreateTaskInventoryItemMessage : IMessage
+    {
+        /// <summary>UUID of the in-world object whose inventory will receive the new item</summary>
+        public UUID ObjectID;
+        public AssetType AssetType;
+        /// <summary>Script sub-type: 0 = LSL, 1 = Lua (SST_LUA); ignored for non-script types</summary>
+        public int SubType;
+        public string Name;
+        public string Description;
+        public Permissions Permissions;
+        /// <summary>VM runtime for scripts: "lsl2", "mono", or "luau" (required for Lua); null = omit (use for notecards)</summary>
+        public string? Vm;
+        /// <summary> Whether the script starts enabled (default: true)</summary>
+        public bool? Enabled;
+        /// <summary>Optional template asset; UUID.Zero = server default</summary>
+        public UUID TemplateID;
+        /// <summary>Optional initial text content for notecards; null/empty = omitted</summary>
+        public string? Text;
+
+        public OSDMap Serialize()
+        {
+            var paramsMap = new OSDMap();
+            if (Vm != null)
+            {
+                paramsMap["vm"] = OSD.FromString(Vm);
+            }
+            if (Enabled != null)
+            {
+                bool not_null_enabled = (bool)Enabled;
+                paramsMap["enabled"] = OSD.FromBoolean(not_null_enabled);
+            }
+            if (TemplateID != UUID.Zero)
+                paramsMap["template_id"] = OSD.FromUUID(TemplateID);
+            if (!string.IsNullOrEmpty(Text))
+                paramsMap["text"] = OSD.FromString(Text);
+
+            return new OSDMap
+            {
+                ["object_id"] = OSD.FromUUID(ObjectID),
+                ["asset_type"] = OSD.FromInteger((int)AssetType),
+                ["sub_type"] = OSD.FromInteger(SubType),
+                ["name"] = OSD.FromString(Name),
+                ["description"] = OSD.FromString(Description),
+                ["permissions"] = new OSDMap
+                {
+                    ["base"] = OSD.FromInteger((int)Permissions.BaseMask),
+                    ["owner"] = OSD.FromInteger((int)Permissions.OwnerMask),
+                    ["everyone"] = OSD.FromInteger((int)Permissions.EveryoneMask),
+                    ["group"] = OSD.FromInteger((int)Permissions.GroupMask),
+                    ["next_owner"] = OSD.FromInteger((int)Permissions.NextOwnerMask)
+                },
+                ["params"] = paramsMap
+            };
+        }
+
+        // Request-only message; Deserialize is not used
+        public void Deserialize(OSDMap map) { }
+    }
+
 
     /// <summary>
     /// Metadata POSTed to the SendPostcard capability. This is the first step of a two-phase

Programs/examples/TestClient/Commands/Inventory/UploadScriptCommand.cs

@@ -71,7 +71,7 @@ public override async Task<string> ExecuteAsync(string[] args, UUID fromAgentId)
 
                 using var uploadCts = new CancellationTokenSource(TimeSpan.FromSeconds(30));
                 var (uploadSuccess, _, compileSuccess, _, itemId, assetId) = await Client.Inventory
-                    .RequestUpdateScriptAgentInventoryAsync(Encoding.UTF8.GetBytes(body), createdItem.UUID, true, uploadCts.Token).ConfigureAwait(false);
+                    .RequestUpdateScriptAgentInventoryAsync(Encoding.UTF8.GetBytes(body), createdItem.UUID, InventoryManager.ScriptTarget.Mono, uploadCts.Token).ConfigureAwait(false);
 
                 var log = $"Filename: {file}";
                 log += uploadSuccess ? $" Script successfully uploaded, ItemID {itemId} AssetID {assetId}" : $" Script failed to upload, ItemID {itemId}";