Added HasModelLoadingCapability to all providers (#737) (#737)

app/MindWork AI Studio/Chat/ContentText.cs

@@ -174,6 +174,9 @@ public sealed class ContentText : IContent
             return false;
         }
 
+        if (!provider.HasModelLoadingCapability)
+            return true;
+
         IReadOnlyList<Model> loadedModels;
         try
         {
@@ -203,6 +206,11 @@ public sealed class ContentText : IContent
         var availableModels = loadedModels.Where(model => !string.IsNullOrWhiteSpace(model.Id)).ToList();
         if (availableModels.Count == 0)
         {
+            var emptyModelsMessage = string.Format(
+                TB("We could load models from '{0}', but the provider did not return any usable text models."),
+                provider.InstanceName);
+
+            await MessageBus.INSTANCE.SendError(new(Icons.Material.Filled.CloudOff, emptyModelsMessage));
             LOGGER.LogWarning("Skipping AI request because there are no models available from '{ProviderInstanceName}' (provider={ProviderType}).", provider.InstanceName, provider.Provider);
             return false;
         }

app/MindWork AI Studio/Provider/AlibabaCloud/ProviderAlibabaCloud.cs

@@ -18,6 +18,9 @@ public sealed class ProviderAlibabaCloud() : BaseProvider(LLMProviders.ALIBABA_C
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "AlibabaCloud";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+    
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/Anthropic/ProviderAnthropic.cs

@@ -14,10 +14,15 @@ public sealed class ProviderAnthropic() : BaseProvider(LLMProviders.ANTHROPIC, "
 
     #region Implementation of IProvider
 
+    /// <inheritdoc />
     public override string Id => LLMProviders.ANTHROPIC.ToName();
 
+    /// <inheritdoc />
     public override string InstanceName { get; set; } = "Anthropic";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/BaseProvider.cs

@@ -90,6 +90,9 @@ public abstract class BaseProvider : IProvider, ISecretId
     /// <inheritdoc />
     public string AdditionalJsonApiParameters { get; init; } = string.Empty;
 
+    /// <inheritdoc />
+    public abstract bool HasModelLoadingCapability { get; }
+
     /// <inheritdoc />
     public abstract IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, CancellationToken token = default);
     

app/MindWork AI Studio/Provider/DeepSeek/ProviderDeepSeek.cs

@@ -18,6 +18,9 @@ public sealed class ProviderDeepSeek() : BaseProvider(LLMProviders.DEEP_SEEK, "h
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "DeepSeek";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+    
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/Fireworks/ProviderFireworks.cs

@@ -18,6 +18,9 @@ public class ProviderFireworks() : BaseProvider(LLMProviders.FIREWORKS, "https:/
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "Fireworks.ai";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => false;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/GWDG/ProviderGWDG.cs

@@ -18,6 +18,9 @@ public sealed class ProviderGWDG() : BaseProvider(LLMProviders.GWDG, "https://ch
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "GWDG SAIA";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+    
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/Google/ProviderGoogle.cs

@@ -20,6 +20,9 @@ public class ProviderGoogle() : BaseProvider(LLMProviders.GOOGLE, "https://gener
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "Google Gemini";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/Groq/ProviderGroq.cs

@@ -18,6 +18,9 @@ public class ProviderGroq() : BaseProvider(LLMProviders.GROQ, "https://api.groq.
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "Groq";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/Helmholtz/ProviderHelmholtz.cs

@@ -20,6 +20,9 @@ public sealed class ProviderHelmholtz() : BaseProvider(LLMProviders.HELMHOLTZ, "
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "Helmholtz Blablador";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+    
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/HuggingFace/ProviderHuggingFace.cs

@@ -23,6 +23,9 @@ public sealed class ProviderHuggingFace : BaseProvider
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "HuggingFace";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => false;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/IProvider.cs

@@ -29,6 +29,12 @@ public interface IProvider
     /// </summary>
     public string AdditionalJsonApiParameters { get; }
 
+    /// <summary>
+    /// Whether this provider instance can load available models from the backend/API.
+    /// This capability may differ by provider type, host, or modality.
+    /// </summary>
+    public bool HasModelLoadingCapability { get; }
+    
     /// <summary>
     /// Starts a chat completion stream.
     /// </summary>

app/MindWork AI Studio/Provider/Mistral/ProviderMistral.cs

@@ -12,10 +12,15 @@ public sealed class ProviderMistral() : BaseProvider(LLMProviders.MISTRAL, "http
 
     #region Implementation of IProvider
 
+    /// <inheritdoc />
     public override string Id => LLMProviders.MISTRAL.ToName();
     
+    /// <inheritdoc />
     public override string InstanceName { get; set; } = "Mistral";
     
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Provider.Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/NoProvider.cs

@@ -18,6 +18,9 @@ public class NoProvider : IProvider
     /// <inheritdoc />
     public string AdditionalJsonApiParameters { get; init; } = string.Empty;
 
+    /// <inheritdoc />
+    public bool HasModelLoadingCapability => false;
+
     public Task<ModelLoadResult> GetTextModels(string? apiKeyProvisional = null, CancellationToken token = default) => Task.FromResult(ModelLoadResult.FromModels([]));
 
     public Task<ModelLoadResult> GetImageModels(string? apiKeyProvisional = null, CancellationToken token = default) => Task.FromResult(ModelLoadResult.FromModels([]));

app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs

@@ -23,6 +23,9 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, "https
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "OpenAI";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/OpenRouter/ProviderOpenRouter.cs

@@ -22,6 +22,9 @@ public sealed class ProviderOpenRouter() : BaseProvider(LLMProviders.OPEN_ROUTER
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "OpenRouter";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/Perplexity/ProviderPerplexity.cs

@@ -27,6 +27,9 @@ public sealed class ProviderPerplexity() : BaseProvider(LLMProviders.PERPLEXITY,
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "Perplexity";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+    
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/SelfHosted/ProviderSelfHosted.cs

@@ -16,10 +16,15 @@ public sealed class ProviderSelfHosted(Host host, string hostname) : BaseProvide
 
     #region Implementation of IProvider
 
+    /// <inheritdoc />
     public override string Id => LLMProviders.SELF_HOSTED.ToName();
     
+    /// <inheritdoc />
     public override string InstanceName { get; set; } = "Self-hosted";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => host is Host.OLLAMA or Host.LM_STUDIO or Host.VLLM;
+    
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Provider.Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {

app/MindWork AI Studio/Provider/X/ProviderX.cs

@@ -18,6 +18,9 @@ public sealed class ProviderX() : BaseProvider(LLMProviders.X, "https://api.x.ai
     /// <inheritdoc />
     public override string InstanceName { get; set; } = "xAI";
 
+    /// <inheritdoc />
+    public override bool HasModelLoadingCapability => true;
+
     /// <inheritdoc />
     public override async IAsyncEnumerable<ContentStreamChunk> StreamChatCompletion(Model chatModel, ChatThread chatThread, SettingsManager settingsManager, [EnumeratorCancellation] CancellationToken token = default)
     {