added retrieval with vector and bm25 search

app/MindWork AI Studio/Tools/Services/DataSourceEmbeddingProviders.cs

@@ -0,0 +1,18 @@
+using System.Diagnostics.CodeAnalysis;
+
+using AIStudio.Provider;
+using AIStudio.Settings;
+
+namespace AIStudio.Tools.Services;
+
+internal static class DataSourceEmbeddingProviders
+{
+    public static bool TryResolve(SettingsManager settingsManager, IDataSource dataSource, [NotNullWhen(true)] out EmbeddingProvider? embeddingProvider)
+    {
+        embeddingProvider = settingsManager.ConfigurationData.EmbeddingProviders.FirstOrDefault(provider =>
+            dataSource is IInternalDataSource internalDataSource &&
+            provider.Id.Equals(internalDataSource.EmbeddingId, StringComparison.OrdinalIgnoreCase));
+
+        return embeddingProvider != default && embeddingProvider.UsedLLMProvider is not LLMProviders.NONE;
+    }
+}