Added an information view to all data sources (#273)

app/MindWork AI Studio/Tools/ERIClient/DataModel/RetrievalRequest.cs

@@ -0,0 +1,25 @@
+namespace AIStudio.Tools.ERIClient.DataModel;
+
+/// <summary>
+/// The retrieval request sent by AI Studio.
+/// </summary>
+/// <remarks>
+/// Images and other media are base64 encoded.
+/// </remarks>
+/// <param name="LatestUserPrompt">The latest user prompt that AI Studio received.</param>
+/// <param name="LatestUserPromptType">The type of the latest user prompt, e.g., text, image, etc.</param>
+/// <param name="Thread">The chat thread that the user is currently in.</param>
+/// <param name="RetrievalProcessId">Optional. The ID of the retrieval process that the data source should use.
+/// When null, the data source chooses an appropriate retrieval process. Selecting a retrieval process is optional
+/// for AI Studio users. Most users do not specify a retrieval process.</param>
+/// <param name="Parameters">A dictionary of parameters that the data source should use for the retrieval process.
+/// Although each parameter will be sent as a string, the retrieval process specifies the expected type and range.</param>
+/// <param name="MaxMatches">The maximum number of matches that the data source should return. AI Studio uses
+/// any value below 1 to indicate that the data source should return as many matches as appropriate.</param>
+public readonly record struct RetrievalRequest(
+    string LatestUserPrompt,
+    ContentType LatestUserPromptType,
+    ChatThread Thread,
+    string? RetrievalProcessId,
+    Dictionary<string, string>? Parameters,
+    int MaxMatches);