Fixed a bug that allowed adding a provider without selecting a model

app/MindWork AI Studio/Assistants/I18N/allTexts.lua

@@ -4636,9 +4636,6 @@ UI_TEXT_CONTENT["AISTUDIO::DIALOGS::TRANSCRIPTIONPROVIDERDIALOG::T3703662664"] =
 -- Model selection
 UI_TEXT_CONTENT["AISTUDIO::DIALOGS::TRANSCRIPTIONPROVIDERDIALOG::T416738168"] = "Model selection"
 
--- Please select a transcription model.
-UI_TEXT_CONTENT["AISTUDIO::DIALOGS::TRANSCRIPTIONPROVIDERDIALOG::T794751523"] = "Please select a transcription model."
-
 -- Host
 UI_TEXT_CONTENT["AISTUDIO::DIALOGS::TRANSCRIPTIONPROVIDERDIALOG::T808120719"] = "Host"
 

app/MindWork AI Studio/Dialogs/EmbeddingProviderDialog.razor.cs

@@ -102,6 +102,7 @@ public partial class EmbeddingProviderDialog : MSGComponentBase, ISecretId
             GetPreviousInstanceName = () => this.dataEditingPreviousInstanceName,
             GetUsedInstanceNames = () => this.UsedInstanceNames,
             GetHost = () => this.DataHost,
+            IsModelProvidedManually = () => this.DataLLMProvider is LLMProviders.SELF_HOSTED && this.DataHost is Host.OLLAMA,
         };
     }
     
@@ -209,6 +210,15 @@ public partial class EmbeddingProviderDialog : MSGComponentBase, ISecretId
         await this.form.Validate();
         this.dataAPIKeyStorageIssue = string.Empty;
 
+        // Manually validate the model selection (needed when no models are loaded
+        // and the MudSelect is not rendered):
+        var modelValidationError = this.providerValidation.ValidatingModel(this.DataModel);
+        if (!string.IsNullOrWhiteSpace(modelValidationError))
+        {
+            this.dataIssues = [..this.dataIssues, modelValidationError];
+            this.dataIsValid = false;
+        }
+
         // When the data is not valid, we don't store it:
         if (!this.dataIsValid)
             return;

app/MindWork AI Studio/Dialogs/ProviderDialog.razor.cs

@@ -115,6 +115,7 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
             GetPreviousInstanceName = () => this.dataEditingPreviousInstanceName,
             GetUsedInstanceNames = () => this.UsedInstanceNames,
             GetHost = () => this.DataHost,
+            IsModelProvidedManually = () => this.DataLLMProvider.IsLLMModelProvidedManually(),
         };
     }
 
@@ -223,6 +224,15 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
         if (!string.IsNullOrWhiteSpace(this.dataAPIKeyStorageIssue))
             this.dataAPIKeyStorageIssue = string.Empty;
 
+        // Manually validate the model selection (needed when no models are loaded
+        // and the MudSelect is not rendered):
+        var modelValidationError = this.providerValidation.ValidatingModel(this.DataModel);
+        if (!string.IsNullOrWhiteSpace(modelValidationError))
+        {
+            this.dataIssues = [..this.dataIssues, modelValidationError];
+            this.dataIsValid = false;
+        }
+
         // When the data is not valid, we don't store it:
         if (!this.dataIsValid)
             return;

app/MindWork AI Studio/Dialogs/TranscriptionProviderDialog.razor

@@ -90,7 +90,7 @@
                             <MudSelect Disabled="@this.IsNoneProvider" @bind-Value="@this.DataModel" Label="@T("Model")"
                                        OpenIcon="@Icons.Material.Filled.FaceRetouchingNatural"
                                        AdornmentColor="Color.Info" Adornment="Adornment.Start"
-                                       Validation="@this.ValidateSelectedModel">
+                                       Validation="@this.providerValidation.ValidatingModel">
                                 @foreach (var model in this.availableModels)
                                 {
                                     <MudSelectItem Value="@model">

app/MindWork AI Studio/Dialogs/TranscriptionProviderDialog.razor.cs

@@ -102,6 +102,7 @@ public partial class TranscriptionProviderDialog : MSGComponentBase, ISecretId
             GetPreviousInstanceName = () => this.dataEditingPreviousInstanceName,
             GetUsedInstanceNames = () => this.UsedInstanceNames,
             GetHost = () => this.DataHost,
+            IsModelProvidedManually = () => this.DataLLMProvider.IsTranscriptionModelProvidedManually(this.DataHost),
         };
     }
     
@@ -219,7 +220,7 @@ public partial class TranscriptionProviderDialog : MSGComponentBase, ISecretId
 
         // Manually validate the model selection (needed when no models are loaded
         // and the MudSelect is not rendered):
-        var modelValidationError = this.ValidateSelectedModel(this.DataModel);
+        var modelValidationError = this.providerValidation.ValidatingModel(this.DataModel);
         if (!string.IsNullOrWhiteSpace(modelValidationError))
         {
             this.dataIssues = [..this.dataIssues, modelValidationError];
@@ -256,27 +257,6 @@ public partial class TranscriptionProviderDialog : MSGComponentBase, ISecretId
         return null;
     }
 
-    private string? ValidateSelectedModel(Model model)
-    {
-        // Exception for self-hosted whisper.cpp - no model selection needed:
-        if (this.DataLLMProvider is LLMProviders.SELF_HOSTED && this.DataHost is Host.WHISPER_CPP)
-            return null;
-
-        // For manually entered models, this validation doesn't apply:
-        if (this.DataLLMProvider.IsTranscriptionModelProvidedManually(this.DataHost))
-            return null;
-
-        // For NONE providers, no validation is needed yet:
-        if (this.DataLLMProvider is LLMProviders.NONE)
-            return null;
-
-        // Check if a model is selected:
-        if (model == default)
-            return T("Please select a transcription model.");
-
-        return null;
-    }
-
     private void Cancel() => this.MudDialog.Cancel();
 
     private async Task OnAPIKeyChanged(string apiKey)

app/MindWork AI Studio/Tools/Validation/ProviderValidation.cs

@@ -20,6 +20,8 @@ public sealed class ProviderValidation
 
     public Func<Host> GetHost { get; init; } = () => Host.NONE;
 
+    public Func<bool> IsModelProvidedManually { get; init; } = () => false;
+
     public string? ValidatingHostname(string hostname)
     {
         if(this.GetProvider() != LLMProviders.SELF_HOSTED)
@@ -70,7 +72,17 @@ public sealed class ProviderValidation
 
     public string? ValidatingModel(Model model)
     {
-        if(this.GetProvider() is LLMProviders.SELF_HOSTED && this.GetHost() == Host.LLAMA_CPP)
+        // For NONE providers, no validation is needed:
+        if (this.GetProvider() is LLMProviders.NONE)
+            return null;
+
+        // For self-hosted llama.cpp or whisper.cpp, no model selection needed
+        // (model is loaded at startup):
+        if (this.GetProvider() is LLMProviders.SELF_HOSTED && this.GetHost() is Host.LLAMA_CPP or Host.WHISPER_CPP)
+            return null;
+
+        // For manually entered models, this validation doesn't apply:
+        if (this.IsModelProvidedManually())
             return null;
 
         if (model == default)

app/MindWork AI Studio/wwwroot/changelog/v26.1.2.md

@@ -1,3 +1,4 @@
 # v26.1.2, build 232 (2026-01-xx xx:xx UTC)
 - Added the option to hide specific assistants by configuration plugins. This is useful for enterprise environments in organizations.
 - Fixed a logging bug that prevented log events from being recorded in some cases.
+- Fixed a bug that allowed adding a provider without selecting a model.