refactored the classes and functions

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

@@ -0,0 +1,14 @@
+namespace AIStudio.Tools.Services;
+
+public sealed class DataSourceEmbeddingManifest
+{
+    public string EmbeddingProviderId { get; set; } = string.Empty;
+
+    public string EmbeddingSignature { get; set; } = string.Empty;
+
+    public string SourceHash { get; set; } = string.Empty;
+
+    public int VectorSize { get; set; }
+
+    public Dictionary<string, EmbeddedFileRecord> Files { get; init; } = new(StringComparer.OrdinalIgnoreCase);
+}