Added more text content to the I18N system (#446)

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

@@ -1,11 +1,15 @@
 using AIStudio.Provider;
 using AIStudio.Provider.HuggingFace;
+using AIStudio.Tools.PluginSystem;
+
 using Host = AIStudio.Provider.SelfHosted.Host;
 
 namespace AIStudio.Tools.Validation;
 
 public sealed class ProviderValidation
 {
+    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(ProviderValidation).Namespace, nameof(ProviderValidation));
+    
     public Func<LLMProviders> GetProvider { get; init; } = () => LLMProviders.NONE;
     
     public Func<string> GetAPIKeyStorageIssue { get; init; } = () => string.Empty;
@@ -22,13 +26,13 @@ public sealed class ProviderValidation
             return null;
         
         if(string.IsNullOrWhiteSpace(hostname))
-            return "Please enter a hostname, e.g., http://localhost:1234";
+            return TB("Please enter a hostname, e.g., http://localhost:1234");
         
         if(!hostname.StartsWith("http://", StringComparison.InvariantCultureIgnoreCase) && !hostname.StartsWith("https://", StringComparison.InvariantCultureIgnoreCase))
-            return "The hostname must start with either http:// or https://";
+            return TB("The hostname must start with either http:// or https://");
 
         if(!Uri.TryCreate(hostname, UriKind.Absolute, out _))
-            return "The hostname is not a valid HTTP(S) URL.";
+            return TB("The hostname is not a valid HTTP(S) URL.");
         
         return null;
     }
@@ -43,7 +47,7 @@ public sealed class ProviderValidation
             return apiKeyStorageIssue;
 
         if(string.IsNullOrWhiteSpace(apiKey))
-            return "Please enter an API key.";
+            return TB("Please enter an API key.");
         
         return null;
     }
@@ -51,15 +55,15 @@ public sealed class ProviderValidation
     public string? ValidatingInstanceName(string instanceName)
     {
         if (string.IsNullOrWhiteSpace(instanceName))
-            return "Please enter an instance name.";
+            return TB("Please enter an instance name.");
         
         if (instanceName.Length > 40)
-            return "The instance name must not exceed 40 characters.";
+            return TB("The instance name must not exceed 40 characters.");
         
         // The instance name must be unique:
         var lowerInstanceName = instanceName.ToLowerInvariant();
         if (lowerInstanceName != this.GetPreviousInstanceName() && this.GetUsedInstanceNames().Contains(lowerInstanceName))
-            return "The instance name must be unique; the chosen name is already in use.";
+            return TB("The instance name must be unique; the chosen name is already in use.");
         
         return null;
     }
@@ -70,7 +74,7 @@ public sealed class ProviderValidation
             return null;
         
         if (model == default)
-            return "Please select a model.";
+            return TB("Please select a model.");
         
         return null;
     }
@@ -78,7 +82,7 @@ public sealed class ProviderValidation
     public string? ValidatingProvider(LLMProviders llmProvider)
     {
         if (llmProvider == LLMProviders.NONE)
-            return "Please select a provider.";
+            return TB("Please select a provider.");
         
         return null;
     }
@@ -89,7 +93,7 @@ public sealed class ProviderValidation
             return null;
 
         if (host == Host.NONE)
-            return "Please select a host.";
+            return TB("Please select a host.");
 
         return null;
     }
@@ -100,7 +104,7 @@ public sealed class ProviderValidation
             return null;
 
         if (inferenceProvider is HFInferenceProvider.NONE)
-            return "Please select an Hugging Face inference provider.";
+            return TB("Please select an Hugging Face inference provider.");
 
         return null;
     }