Fix protobuf annotations

common/protob/messages-thp.proto

@@ -7,7 +7,10 @@ option java_outer_classname = "TrezorMessageThp";
 
 
 
-// Numeric identifiers of pairing methods.
+/**
+* Numeric identifiers of pairing methods.
+* @embed
+*/
 enum ThpPairingMethod {
     PairingMethod_NoMethod = 1; // Trust without MITM protection.
     PairingMethod_CodeEntry = 2; // User types code diplayed on Trezor into the host application.
@@ -15,6 +18,9 @@ enum ThpPairingMethod {
     PairingMethod_NFC_Unidirectional = 4; // Trezor transmits an authentication key to the host device via NFC.
 }
 
+/**
+* @embed
+*/
 message ThpDeviceProperties {
     optional string internal_model = 1;         // Internal model name e.g. "T2B1".
     optional uint32 model_variant = 2;          // Encodes the device properties such as color.
@@ -23,16 +29,28 @@ message ThpDeviceProperties {
     repeated ThpPairingMethod pairing_methods = 5; // The pairing methods supported by the Trezor.
 }
 
+/**
+* @embed
+*/
 message ThpHandshakeCompletionReqNoisePayload {
     optional bytes host_pairing_credential = 1; // Host's pairing credential
     repeated ThpPairingMethod pairing_methods = 2; // The pairing methods chosen by the host
 }
 
+/**
+ * Request: Ask device for a new session with given passphrase
+ * @start
+ * @next ThpNewSession
+ */
 message ThpCreateNewSession{
     optional string passphrase = 1;
     optional bool on_device = 2;                // user wants to enter passphrase on the device
 }
 
+/**
+ * Response: Contains session_id of the newly created session
+ * @end
+ */
 message ThpNewSession{
     optional uint32 new_session_id = 1;
 }