Added expert mode to providers (#562)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

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

@@ -78,6 +78,9 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
     [Parameter]
     public bool IsEditing { get; init; }
     
+    [Parameter]
+    public string AdditionalJsonApiParameters { get; set; } = string.Empty;
+    
     [Inject]
     private RustService RustService { get; init; } = null!;
 
@@ -94,6 +97,7 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
     private string dataManuallyModel = string.Empty;
     private string dataAPIKeyStorageIssue = string.Empty;
     private string dataEditingPreviousInstanceName = string.Empty;
+    private bool showExpertSettings;
     
     // We get the form reference from Blazor code to validate it manually:
     private MudForm form = null!;
@@ -135,6 +139,7 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
             Hostname = cleanedHostname.EndsWith('/') ? cleanedHostname[..^1] : cleanedHostname,
             Host = this.DataHost,
             HFInferenceProvider = this.HFInferenceProviderId,
+            AdditionalJsonApiParameters = this.AdditionalJsonApiParameters,
         };
     }
 
@@ -149,6 +154,8 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
         #pragma warning disable MWAIS0001
         this.UsedInstanceNames = this.SettingsManager.ConfigurationData.Providers.Select(x => x.InstanceName.ToLowerInvariant()).ToList();
         #pragma warning restore MWAIS0001
+
+        this.showExpertSettings = !string.IsNullOrWhiteSpace(this.AdditionalJsonApiParameters);
         
         // When editing, we need to load the data:
         if(this.IsEditing)
@@ -268,4 +275,20 @@ public partial class ProviderDialog : MSGComponentBase, ISecretId
         LLMProviders.SELF_HOSTED => T("(Optional) API Key"),
         _ => T("API Key"),
     };
+    
+    private void ToggleExpertSettings() => this.showExpertSettings = !this.showExpertSettings;
+
+    private void OnInputChangeExpertSettings()
+    {
+        this.AdditionalJsonApiParameters = this.AdditionalJsonApiParameters.Trim().TrimEnd(',', ' ');
+    }
+    
+    private string GetExpertStyles => this.showExpertSettings ? "border-2 border-dashed rounded pa-2" : string.Empty;
+
+    private static string GetPlaceholderExpertSettings => 
+      """
+      "temperature": 0.5,
+      "top_p": 0.9,
+      "frequency_penalty": 0.0
+      """;
 }