add {Storage,Features}.unfinished_backup

protob/messages.proto

@@ -152,6 +152,7 @@ message Features {
 	optional uint32 fw_patch = 24;			// reported firmware version if in bootloader mode
 	optional string fw_vendor = 25;			// reported firmware vendor if in bootloader mode
 	optional bytes fw_vendor_keys = 26;		// reported firmware vendor keys (their hash)
+	optional bool unfinished_backup = 27;		// report unfinished backup (equals to Storage.unfinished_backup)
 }
 
 /**

protob/storage.proto

@@ -28,4 +28,5 @@ message Storage {
 	optional bool needs_backup = 12;		// seed is not backed up yet
 	optional uint32 flags = 13;			// device flags
 	optional HDNodeType u2froot = 14;		// U2F root node
+	optional bool unfinished_backup = 15;		// seed was improperly backed up
 }