feat: added Automated agent reply type and allow cancellation flag fo…

…r partial response feature (#825)

PiperOrigin-RevId: 379370373

Source-Link: googleapis/googleapis@58187af

Source-Link: googleapis/googleapis-gen@6b2c084

packages/google-cloud-dialogflow/protos/google/cloud/dialogflow/v2/participant.proto

@@ -22,6 +22,7 @@ import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
 import "google/cloud/dialogflow/v2/audio_config.proto";
 import "google/cloud/dialogflow/v2/session.proto";
+import "google/protobuf/any.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/field_mask.proto";
 import "google/protobuf/struct.proto";
@@ -473,8 +474,30 @@ message OutputAudio {
 
 // Represents a response from an automated agent.
 message AutomatedAgentReply {
+  // Represents different automated agent reply types.
+  enum AutomatedAgentReplyType {
+    // Not specified. This should never happen.
+    AUTOMATED_AGENT_REPLY_TYPE_UNSPECIFIED = 0;
+
+    // Partial reply. e.g. Aggregated responses in a `Fulfillment` that enables
+    // `return_partial_response` can be returned as partial reply.
+    // WARNING: partial reply is not eligible for barge-in.
+    PARTIAL = 1;
+
+    // Final reply.
+    FINAL = 2;
+  }
+
   // Response of the Dialogflow [Sessions.DetectIntent][google.cloud.dialogflow.v2.Sessions.DetectIntent] call.
   DetectIntentResponse detect_intent_response = 1;
+
+  // AutomatedAgentReply type.
+  AutomatedAgentReplyType automated_agent_reply_type = 7;
+
+  // Indicates whether the partial automated agent reply is interruptible when a
+  // later reply message arrives. e.g. if the agent specified some music as
+  // partial response, it can be cancelled.
+  bool allow_cancellation = 8;
 }
 
 // Represents article answer.