added possibility to add tokenizer via plugin and refactored earlier changes

app/MindWork AI Studio/Components/Settings/SettingsPanelEmbeddings.razor.cs

@@ -2,6 +2,8 @@ using System.Globalization;
 using AIStudio.Dialogs;
 using AIStudio.Provider;
 using AIStudio.Settings;
+using AIStudio.Tools.Services;
+using AIStudio.Tools.Rust;
 
 using Microsoft.AspNetCore.Components;
 
@@ -108,16 +110,44 @@ public partial class SettingsPanelEmbeddings : SettingsPanelProviderBase
             return;
         
         var deleteSecretResponse = await this.RustService.DeleteAPIKey(provider, SecretStoreType.EMBEDDING_PROVIDER);
-        if(deleteSecretResponse.Success)
+        var deleteTokenizerResponse = await this.RustService.DeleteTokenizer(TokenizerModelId.ForEmbeddingProvider(provider));
+        if(deleteSecretResponse.Success && deleteTokenizerResponse.Success)
         {
             this.SettingsManager.ConfigurationData.EmbeddingProviders.Remove(provider);
             await this.SettingsManager.StoreSettings();
         }
+        else
+        {
+            var issueDialogParameters = new DialogParameters<ConfirmDialog>
+            {
+                { x => x.Message, string.Format(T("Couldn't delete the embedding provider '{0}'. The issue: {1}. We can ignore this issue and delete the embedding provider anyway. Do you want to ignore it and delete this embedding provider?"), provider.Name, BuildDeleteIssue(deleteSecretResponse, deleteTokenizerResponse)) },
+            };
+
+            var issueDialogReference = await this.DialogService.ShowAsync<ConfirmDialog>(T("Delete Embedding Provider"), issueDialogParameters, DialogOptions.FULLSCREEN);
+            var issueDialogResult = await issueDialogReference.Result;
+            if (issueDialogResult is null || issueDialogResult.Canceled)
+                return;
+
+            this.SettingsManager.ConfigurationData.EmbeddingProviders.Remove(provider);
+            await this.SettingsManager.StoreSettings();
+        }
 
         await this.UpdateEmbeddingProviders();
         await this.MessageBus.SendMessage<bool>(this, Event.CONFIGURATION_CHANGED);
     }
 
+    private static string BuildDeleteIssue(DeleteSecretResponse deleteSecretResponse, TokenizerResponse deleteTokenizerResponse)
+    {
+        var issues = new List<string>();
+        if (!deleteSecretResponse.Success)
+            issues.Add(deleteSecretResponse.Issue);
+
+        if (!deleteTokenizerResponse.Success)
+            issues.Add(deleteTokenizerResponse.Message);
+
+        return string.Join(" | ", issues);
+    }
+
     private async Task ExportEmbeddingProvider(EmbeddingProvider provider)
     {
         if (!this.SettingsManager.ConfigurationData.App.ShowAdminSettings)

app/MindWork AI Studio/Components/Settings/SettingsPanelProviders.razor.cs

@@ -3,6 +3,8 @@ using System.Diagnostics.CodeAnalysis;
 using AIStudio.Dialogs;
 using AIStudio.Provider;
 using AIStudio.Settings;
+using AIStudio.Tools.Rust;
+using AIStudio.Tools.Services;
 
 using Microsoft.AspNetCore.Components;
 
@@ -109,7 +111,8 @@ public partial class SettingsPanelProviders : SettingsPanelProviderBase
             return;
         
         var deleteSecretResponse = await this.RustService.DeleteAPIKey(provider, SecretStoreType.LLM_PROVIDER);
-        if(deleteSecretResponse.Success)
+        var deleteTokenizerResponse = await this.RustService.DeleteTokenizer(TokenizerModelId.ForProvider(provider));
+        if(deleteSecretResponse.Success && deleteTokenizerResponse.Success)
         {
             this.SettingsManager.ConfigurationData.Providers.Remove(provider);
             await this.SettingsManager.StoreSettings();
@@ -118,7 +121,7 @@ public partial class SettingsPanelProviders : SettingsPanelProviderBase
         {
             var issueDialogParameters = new DialogParameters<ConfirmDialog>
             {
-                { x => x.Message, string.Format(T("Couldn't delete the provider '{0}'. The issue: {1}. We can ignore this issue and delete the provider anyway. Do you want to ignore it and delete this provider?"), provider.InstanceName, deleteSecretResponse.Issue) },
+                { x => x.Message, string.Format(T("Couldn't delete the provider '{0}'. The issue: {1}. We can ignore this issue and delete the provider anyway. Do you want to ignore it and delete this provider?"), provider.InstanceName, BuildDeleteIssue(deleteSecretResponse, deleteTokenizerResponse)) },
             };
         
             var issueDialogReference = await this.DialogService.ShowAsync<ConfirmDialog>(T("Delete LLM Provider"), issueDialogParameters, DialogOptions.FULLSCREEN);
@@ -135,6 +138,18 @@ public partial class SettingsPanelProviders : SettingsPanelProviderBase
         await this.MessageBus.SendMessage<bool>(this, Event.CONFIGURATION_CHANGED);
     }
 
+    private static string BuildDeleteIssue(DeleteSecretResponse deleteSecretResponse, TokenizerResponse deleteTokenizerResponse)
+    {
+        var issues = new List<string>();
+        if (!deleteSecretResponse.Success)
+            issues.Add(deleteSecretResponse.Issue);
+
+        if (!deleteTokenizerResponse.Success)
+            issues.Add(deleteTokenizerResponse.Message);
+
+        return string.Join(" | ", issues);
+    }
+
     private async Task ExportLLMProvider(AIStudio.Settings.Provider provider)
     {
         if (!this.SettingsManager.ConfigurationData.App.ShowAdminSettings)