Support rendering submenu.

src/Infrastructure/BotSharp.Abstraction/Plugins/IBotSharpPlugin.cs

@@ -25,5 +25,5 @@ public interface IBotSharpPlugin
 
     void RegisterDI(IServiceCollection services, IConfiguration config);
 
-    PluginMenuDef[] GetMenus() => new PluginMenuDef[0];
+    bool AttachMenu(List<PluginMenuDef> menu) => true;
 }

src/Infrastructure/BotSharp.Abstraction/Plugins/Models/PluginDef.cs

@@ -6,6 +6,9 @@ public class PluginDef
     public string Name { get; set; }
     public string Description { get; set; }
     public string Assembly { get; set; }
+    [JsonPropertyName("is_core")]
+    public bool IsCore => Assembly == "BotSharp.Core";
+
     [JsonPropertyName("icon_url")]
     public string? IconUrl { get; set; }
 
@@ -17,6 +20,4 @@ public class PluginDef
     public IBotSharpPlugin Module { get; set; }
 
     public bool Enabled { get; set; }
-
-    public PluginMenuDef[] Menus { get; set; }
 }

src/Infrastructure/BotSharp.Abstraction/Plugins/Models/PluginMenuDef.cs

@@ -2,18 +2,36 @@ namespace BotSharp.Abstraction.Plugins.Models;
 
 public class PluginMenuDef
 {
+    [JsonIgnore]
+    public string Id { get; set; }
+
     public string Label { get; set; }
+
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public string? Icon { get; set; }
+
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public string? Link { get; set; }
-    public bool IsHeader {  get; set; }
+
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public bool? IsHeader {  get; set; }
+
+    [JsonIgnore]
     public int Weight { get; set; }
 
-    public PluginMenuDef(string lable, string? link = null, string? icon = null, int weight = 0, bool isHeader = false) 
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public List<PluginMenuDef>? SubMenu {  get; set; }
+
+    public PluginMenuDef(string lable, string? link = null, string? icon = null, int weight = 0) 
     { 
         Label = lable;
         Link = link;
         Icon = icon;
         Weight = weight;
-        IsHeader = isHeader;
+    }
+
+    public override string ToString()
+    {
+        return $"{Label} {Link} {Weight}";
     }
 }

src/Infrastructure/BotSharp.Core/Agents/AgentPlugin.cs

@@ -1,4 +1,5 @@
 using BotSharp.Abstraction.MLTasks;
+using BotSharp.Abstraction.Plugins.Models;
 using BotSharp.Abstraction.Settings;
 using Microsoft.Extensions.Configuration;
 
@@ -26,4 +27,20 @@ public class AgentPlugin : IBotSharpPlugin
             return settingService.Bind<AgentSettings>("Agent");
         });
     }
+
+    public bool AttachMenu(List<PluginMenuDef> menu)
+    {
+        var section = menu.First(x => x.Label == "Apps");
+        menu.Add(new PluginMenuDef("Agent", icon: "bx bx-bot", weight: section.Weight + 1)
+        {
+            SubMenu = new List<PluginMenuDef>
+            {
+                new PluginMenuDef("Router", link: "/page/agent/router"), // icon: "bx bx-map-pin"
+                new PluginMenuDef("Evaluator", link: "/page/agent/evaluator"), // icon: "bx bx-task"
+                new PluginMenuDef("Agents", link: "/page/agent"), // icon: "bx bx-bot"
+            }
+        });
+
+        return true;
+    }
 }

src/Infrastructure/BotSharp.Core/Conversations/ConversationPlugin.cs

@@ -1,6 +1,7 @@
 using BotSharp.Abstraction.Instructs;
 using BotSharp.Abstraction.Messaging;
 using BotSharp.Abstraction.Planning;
+using BotSharp.Abstraction.Plugins.Models;
 using BotSharp.Abstraction.Settings;
 using BotSharp.Abstraction.Templating;
 using BotSharp.Core.Instructs;
@@ -45,4 +46,11 @@ public class ConversationPlugin : IBotSharpPlugin
         services.AddScoped<IInstructService, InstructService>();
         services.AddScoped<ITokenStatistics, TokenStatistics>();
     }
+
+    public bool AttachMenu(List<PluginMenuDef> menu)
+    {
+        var section = menu.First(x => x.Label == "Apps");
+        menu.Add(new PluginMenuDef("Conversation", link: "/page/conversation", icon: "bx bx-conversation", weight: section.Weight + 5));
+        return true;
+    }
 }

src/Infrastructure/BotSharp.Core/Plugins/PluginLoader.cs

@@ -57,8 +57,7 @@ public class PluginLoader
                         Description = module.Description,
                         Assembly = assemblyName,
                         IconUrl = module.IconUrl,
-                        AgentIds = module.AgentIds,
+                        AgentIds = module.AgentIds
-                        Menus = module.GetMenus(),
                     });
                     Console.Write($"Loaded plugin ");
                     Console.Write(name, Color.Green);
@@ -85,7 +84,7 @@ public class PluginLoader
         var config = db.GetPluginConfig();
         foreach (var plugin in _plugins)
         {
-            plugin.Enabled = config.EnabledPlugins.Contains(plugin.Id);
+            plugin.Enabled = plugin.IsCore || config.EnabledPlugins.Contains(plugin.Id);
         }
         return _plugins;
     }

src/Infrastructure/BotSharp.Core/data/plugins/config.json

@@ -4,6 +4,6 @@
 		"058094a7-4ad3-4284-b94d-ac1373cf63d8",
 		"65185362-392c-44fd-a023-95a198824436",
 		"5b18ca9b-82ed-494b-b121-e3499661edb0",
-		"6e52d42d-1e23-406b-8599-36af36c83209"
+    "6e52d42d-1e23-406b-8599-36af36c83209"
 	]
 }

src/Infrastructure/BotSharp.OpenAPI/Controllers/PluginController.cs

@@ -26,19 +26,21 @@ public class PluginController : ControllerBase
     [HttpGet("/plugin/menu")]
     public List<PluginMenuDef> GetPluginMenu()
     {
-        var menus = new List<PluginMenuDef>
+        var menu = new List<PluginMenuDef>
         {
             new PluginMenuDef("Dashboard", link: "/page/dashboard", icon: "bx bx-home-circle", weight: 1),
-            new PluginMenuDef("Agent", isHeader: true, weight: 5),
+            new PluginMenuDef("Apps", weight: 5)
-            new PluginMenuDef("Router", link: "/page/agent/router", icon: "bx bx-map-pin", weight: 6),
+            {
-            // new PluginMenuDef("Evaluator", link: "/page/agent/evaluator", icon: "bx bx-task", weight: 7),
+                IsHeader = true,
-            new PluginMenuDef("Agents", link: "/page/agent", icon: "bx bx-bot", weight: 8),
+            },
-            new PluginMenuDef("Conversation", isHeader: true, weight: 15),
+            new PluginMenuDef("System", weight: 30)
-            new PluginMenuDef("Conversations", link: "/page/conversation", icon: "bx bx-conversation", weight: 16),
+            {
-            new PluginMenuDef("System", isHeader: true, weight: 30),
+                IsHeader = true
+            },
             new PluginMenuDef("Plugins", link: "/page/plugin", icon: "bx bx-plug", weight: 31),
             new PluginMenuDef("Settings", link: "/page/setting", icon: "bx bx-cog", weight: 32),
         };
+
         var loader = _services.GetRequiredService<PluginLoader>();
         foreach (var plugin in loader.GetPlugins(_services))
         {
@@ -46,10 +48,10 @@ public class PluginController : ControllerBase
             {
                 continue;
             }
-            menus.AddRange(plugin.Menus);
+            plugin.Module.AttachMenu(menu);
         }
-        menus = menus.OrderBy(x => x.Weight).ToList();
+        menu = menu.OrderBy(x => x.Weight).ToList();
-        return menus;
+        return menu;
     }
 
     [HttpPost("/plugin/{id}/enable")]

src/Plugins/BotSharp.Plugin.KnowledgeBase/KnowledgeBasePlugin.cs

@@ -27,12 +27,10 @@ public class KnowledgeBasePlugin : IBotSharpPlugin
         services.AddSingleton<IPdf2TextConverter, PigPdf2TextConverter>();
     }
 
-    public PluginMenuDef[] GetMenus()
+    public bool AttachMenu(List<PluginMenuDef> menu)
     {
-        return new PluginMenuDef[]
+        var section = menu.First(x => x.Label == "Apps");
-        {
+        menu.Add(new PluginMenuDef("Knowledge Base", link: "/page/knowledge-base", icon: "bx bx-book-open", weight: section.Weight + 1));
-            new PluginMenuDef("RAG", isHeader: true, weight: 20),
+        return true;
-            new PluginMenuDef("Knowledge Base", link: "/page/knowledge-base", icon: "bx bx-book-open", weight: 21),
-        };
     }
 }