Added mailboxes as local data sources (#1022)

app/MindWork AI Studio/Tools/ToolCallingSystem/ToolOutboundData.cs

@@ -0,0 +1,35 @@
+namespace AIStudio.Tools.ToolCallingSystem;
+
+/// <summary>
+/// Where a tool sends data when it runs, beyond AI Studio and the provider of the model.
+/// </summary>
+/// <remarks>
+/// What counts is where the arguments of the model go: every argument may carry content the chat
+/// read before, a mail for instance. A chat which read from a mailbox keeps the tools whose data
+/// goes too far from running, see OutboundDataRestriction and ToolSelectionRules.IsOutboundDataAllowed.
+/// The members run from the most contained to the most open.
+/// </remarks>
+public enum ToolOutboundData
+{
+    /// <summary>
+    /// Nothing leaves AI Studio.
+    /// </summary>
+    NONE,
+
+    /// <summary>
+    /// Only services configured in AI Studio get the data, such as the wiki of the organization,
+    /// an ERI server, or the embedding provider of a data source.
+    /// </summary>
+    CONFIGURED_SERVICE,
+
+    /// <summary>
+    /// A service somebody else runs gets queries the model writes, such as a web search engine.
+    /// </summary>
+    THIRD_PARTY_QUERIES,
+
+    /// <summary>
+    /// The tool contacts addresses the model chooses, such as the web page it wants to read. The
+    /// address alone can carry data out.
+    /// </summary>
+    MODEL_CHOSEN_ADDRESSES,
+}