Added mailboxes as local data sources (#1022)

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

@@ -0,0 +1,27 @@
+namespace AIStudio.Tools.Services;
+
+/// <summary>
+/// What a data source waits for the user to decide, beyond the failures its list explains.
+/// </summary>
+public enum DataSourceAttention
+{
+    /// <summary>
+    /// Nothing to decide.
+    /// </summary>
+    NONE,
+
+    /// <summary>
+    /// The server refused the sign-in, and AI Studio does not sign in again on its own.
+    /// </summary>
+    AUTH_FAILED,
+
+    /// <summary>
+    /// A run would remove many documents from the index at once, and waits for the user to agree.
+    /// </summary>
+    MASS_REMOVAL_PENDING,
+
+    /// <summary>
+    /// The organization allows only its own mail servers, and the mailbox is on another one. AI Studio does not connect to it until the organization allows the server.
+    /// </summary>
+    SERVER_NOT_ALLOWED,
+}