feat: add rebuild and restart functionality for agents, including build process and status reporting

agents/runtime.go

@@ -259,6 +259,12 @@ func (a *Agent) runLLM(ctx context.Context, msgCtx decision.MessageContext) (str
 				"call_id", tc.ID,
 			)
 
+			// Notify the room that a tool is being called
+			toolNotice := fmt.Sprintf("🔨 <em>%s</em>", tc.Name)
+			if err := a.matrix.SendMarkdown(ctx, msgCtx.RoomID, toolNotice); err != nil {
+				a.logger.Warn("failed to send tool call notice", "tool", tc.Name, "err", err)
+			}
+
 			result := a.toolReg.Execute(ctx, tc.Name, tc.Arguments)
 
 			output := result.Output