Remove WithModel(AIModel) and WithModel<TModel>

WithModel(AIModel) and WithModel<TModel> makes more questions than
answers. It gives user one clear workflow.
Add this flow with register as an example."

Author: srebrek

Examples/Examples/Agents/AgentExample.cs

@@ -1,4 +1,5 @@
 using MaIN.Core.Hub;
+using MaIN.Domain.Models;
 
 namespace Examples.Agents;
 
@@ -24,13 +25,13 @@ has the best possible counsel as she seeks to reclaim the Iron Throne.
             """;
 
         var context = AIHub.Agent()
-            .WithModel("llama3.2:3b")
+            .WithModel(Models.Local.Llama3_2_3b)
             .WithInitialPrompt(systemPrompt)
             .Create();
-        
+
         var result = await context
             .ProcessAsync("Where is the Iron Throne located? I need this information for Lady Princess");
 
         Console.WriteLine(result.Message.Content);
     }
-}
+}

Examples/Examples/Chat/ChatCustomGrammarExample.cs

@@ -1,7 +1,6 @@
 using MaIN.Core.Hub;
 using MaIN.Domain.Entities;
 using MaIN.Domain.Models;
-using MaIN.Domain.Models.Concrete;
 using Grammar = MaIN.Domain.Models.Grammar;
 
 namespace Examples.Chat;
@@ -13,21 +12,22 @@ public async Task Start()
         Console.WriteLine("ChatExample with grammar is running!");
 
         var personGrammar = new Grammar("""
-                                        root ::= person
-                                        person ::= "{" ws "\"name\":" ws name "," ws "\"age\":" ws age "," ws "\"city\":" ws city ws "}"
-                                        name ::= "\"" [A-Za-z ]+ "\""
-                                        age ::= [1-9] | [1-9][0-9]
-                                        city ::= "\"" [A-Za-z ]+ "\""
-                                        ws ::= [ \t]*
-                                        """, GrammarFormat.GBNF);
+            root ::= person
+            person ::= "{" ws "\"name\":" ws name "," ws "\"age\":" ws age "," ws "\"city\":" ws city ws "}"
+            name ::= "\"" [A-Za-z ]+ "\""
+            age ::= [1-9] | [1-9][0-9]
+            city ::= "\"" [A-Za-z ]+ "\""
+            ws ::= [ \t]*
+            """,
+            GrammarFormat.GBNF);
 
         await AIHub.Chat()
-            .WithModel<Gemma2_2b>()
+            .WithModel(Models.Local.Gemma2_2b)
             .WithMessage("Generate random person")
             .WithInferenceParams(new InferenceParams
             {
                 Grammar = personGrammar
             })
             .CompleteAsync(interactive: true);
     }
-}
+}

Examples/Examples/Chat/ChatExample.cs

@@ -1,5 +1,5 @@
 using MaIN.Core.Hub;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -11,9 +11,9 @@ public async Task Start()
 
         // Using strongly-typed model
         await AIHub.Chat()
-            .WithModel<Gemma2_2b>()
+            .WithModel(Models.Local.Gemma2_2b)
             .EnsureModelDownloaded()
             .WithMessage("Where do hedgehogs goes at night?")
             .CompleteAsync(interactive: true);
     }
-}
+}

Examples/Examples/Chat/ChatExampleAnthropic.cs

@@ -1,6 +1,6 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -12,8 +12,8 @@ public async Task Start()
         Console.WriteLine("(Anthropic) ChatExample is running!");
 
         await AIHub.Chat()
-            .WithModel<ClaudeSonnet4>()
+            .WithModel(Models.Anthropic.ClaudeSonnet4)
             .WithMessage("Write a haiku about programming on Monday morning.")
             .CompleteAsync(interactive: true);
     }
-}
+}

Examples/Examples/Chat/ChatExampleGemini.cs

@@ -1,8 +1,6 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
-using MaIN.Domain.Configuration;
-using MaIN.Domain.Models.Abstract;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -13,17 +11,8 @@ public async Task Start()
         GeminiExample.Setup(); //We need to provide Gemini API key
         Console.WriteLine("(Gemini) ChatExample is running!");
 
-        // Get built-in Gemini 2.5 Flash model
-        var model = AIHub.Model().GetModel(new Gemini2_5Flash().Id);
-
-        // Or create the model manually if not available in the hub
-        var customModel = new GenericCloudModel(
-            "gemini-2.5-flash",
-            BackendType.Gemini
-        );
-
         await AIHub.Chat()
-            .WithModel(customModel)
+            .WithModel(Models.Gemini.Gemini2_5Flash)
             .WithMessage("Is the killer whale the smartest animal?")
             .CompleteAsync(interactive: true);
     }

Examples/Examples/Chat/ChatExampleGroqCloud.cs

@@ -1,6 +1,6 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -12,8 +12,8 @@ public async Task Start()
         Console.WriteLine("(GroqCloud) ChatExample is running!");
 
         await AIHub.Chat()
-            .WithModel<Llama3_1_8bInstant>()
+            .WithModel(Models.Groq.Llama3_1_8bInstant)
             .WithMessage("Which color do people like the most?")
             .CompleteAsync(interactive: true);
     }
-}
+}

Examples/Examples/Chat/ChatExampleOllama.cs

@@ -1,6 +1,6 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -12,8 +12,8 @@ public async Task Start()
         Console.WriteLine("(Ollama) ChatExample is running!");
 
         await AIHub.Chat()
-            .WithModel<OllamaGemma3_4b>()
+            .WithModel(Models.Ollama.Gemma3_4b)
             .WithMessage("Write a short poem about the color green.")
             .CompleteAsync(interactive: true);
     }
-}
+}

Examples/Examples/Chat/ChatExampleOpenAi.cs

@@ -1,6 +1,6 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -9,12 +9,12 @@ public class ChatExampleOpenAi : IExample
     public async Task Start()
     {
         OpenAiExample.Setup(); //We need to provide OpenAi API key
-        
-        Console.WriteLine("(OpenAi) ChatExample is running!"); 
-        
+
+        Console.WriteLine("(OpenAi) ChatExample is running!");
+
         await AIHub.Chat()
-            .WithModel<Gpt5Nano>()
+            .WithModel(Models.OpenAi.Gpt5Nano)
             .WithMessage("What do you consider to be the greatest invention in history?")
             .CompleteAsync(interactive: true);
     }
-}
+}

Examples/Examples/Chat/ChatExampleToolsSimple.cs

@@ -1,7 +1,7 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
 using MaIN.Core.Hub.Utils;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -14,13 +14,13 @@ public async Task Start()
         Console.WriteLine("(OpenAi) ChatExample with tools is running!");
 
         await AIHub.Chat()
-            .WithModel<Gpt5Nano>()
+            .WithModel(Models.OpenAi.Gpt5Nano)
             .WithMessage("What time is it right now?")
             .WithTools(new ToolsConfigurationBuilder()
                 .AddTool(
                     name: "get_current_time",
                     description: "Get the current date and time",
-                    execute: Tools.GetCurrentTime) 
+                    execute: Tools.GetCurrentTime)
                 .WithToolChoice("auto")
                 .Build())
             .CompleteAsync(interactive: true);

Examples/Examples/Chat/ChatExampleToolsSimpleLocalLLM.cs

@@ -1,7 +1,7 @@
 using Examples.Utils;
 using MaIN.Core.Hub;
 using MaIN.Core.Hub.Utils;
-using MaIN.Domain.Models.Concrete;
+using MaIN.Domain.Models;
 
 namespace Examples.Chat;
 
@@ -12,7 +12,7 @@ public async Task Start()
         Console.WriteLine("Local LLM ChatExample with tools is running!");
 
         await AIHub.Chat()
-            .WithModel<Gemma3_4b>()
+            .WithModel(Models.Local.Gemma3_4b)
             .WithMessage("What time is it right now?")
             .WithTools(new ToolsConfigurationBuilder()
                 .AddTool(
@@ -23,4 +23,4 @@ await AIHub.Chat()
                 .Build())
             .CompleteAsync(interactive: true);
     }
-}
+}