Add client notification fromradio message

meshtastic/mesh.options

@@ -45,6 +45,8 @@
 
 *FileInfo.file_name max_size:228
 
+*ClientNotification.message max_size:400
+
 # MyMessage.name         max_size:40 
 # or fixed_length or fixed_count, or max_count
 

meshtastic/mesh.proto

@@ -1508,9 +1508,41 @@ message FromRadio {
      * File system manifest messages
      */
     FileInfo fileInfo = 15;
+
+    /*
+     * Notification message to the client
+     */
+    ClientNotification clientNotification = 16;
   }
 }
 
+/*
+ * A notification message from the device to the client
+ * To be used for important messages that should to be displayed to the user
+ * in the form of push notifications or validation messages when saving
+ * invalid configuration.
+ */
+message ClientNotification {
+  /*
+   * The id of the packet we're notifying in response to
+   */
+  optional uint32 reply_id = 1;
+
+  /*
+   * Seconds since 1970 - or 0 for unknown/unset
+   */
+  fixed32 time = 2;
+
+  /*
+   * The level type of notification
+   */
+  LogRecord.Level level = 3;
+  /*
+   * The message body of the notification
+   */
+  string message = 4;
+}
+
 /*
  * Individual File info for the device
  */