Added a way to read what the AI received from your sources (#1100)

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

app/MindWork AI Studio/Tools/RAG/RetrievalTextContext.cs

@@ -63,4 +63,45 @@ public sealed class RetrievalTextContext : IRetrievalContext
     /// to. A slide or a sheet has no page and leaves this empty.
     /// </remarks>
     public int? PageNumber { get; init; }
+
+    /// <summary>
+    /// The page this passage ends on when it goes on beyond the page it starts on, or null when it
+    /// stays on that page or the end is not known.
+    /// </summary>
+    public int? EndPageNumber { get; init; }
+
+    /// <summary>
+    /// The sheet of a spreadsheet this passage is from, or null when it is from none.
+    /// </summary>
+    public string? SheetName { get; init; }
+
+    /// <summary>
+    /// The row this passage starts at, counted from one: a row of its sheet, or of a table such as a CSV file.
+    /// </summary>
+    public int? StartRow { get; init; }
+
+    /// <summary>
+    /// The row this passage ends at when it goes on beyond the row it starts at, or null.
+    /// </summary>
+    public int? EndRow { get; init; }
+
+    /// <summary>
+    /// The line this passage starts at, counted from one, for text and source code, or null.
+    /// </summary>
+    public int? StartLine { get; init; }
+
+    /// <summary>
+    /// The line this passage ends at when it goes on beyond the line it starts at, or null.
+    /// </summary>
+    public int? EndLine { get; init; }
+
+    /// <summary>
+    /// Which part of its document this passage is, counted from one, or null when the data source does not say.
+    /// </summary>
+    /// <remarks>
+    /// A document is split into parts to be searched, and each part is one passage. The page says
+    /// better where a passage is, so the part only names the place in a document without pages,
+    /// such as a text file.
+    /// </remarks>
+    public int? ChunkNumber { get; init; }
 }