fix(v3beta1): set agent default language code as required (#134)

PiperOrigin-RevId: 378978212

Source-Link: googleapis/googleapis@ecc3ac6

Source-Link: googleapis/googleapis-gen@398a922

feat(v3beta1): Support partial response feature
docs: Update docs of Agents, Fulfillments, SecuritySettings and Sessions

protos/google/cloud/dialogflow/cx/v3beta1/agent.proto

@@ -159,12 +159,15 @@ message Agent {
   // Required. The human-readable name of the agent, unique within the location.
   string display_name = 2 [(google.api.field_behavior) = REQUIRED];
 
-  // Immutable. The default language of the agent as a language tag.
+  // Required. Immutable. The default language of the agent as a language tag.
   // See [Language
   // Support](https://cloud.google.com/dialogflow/cx/docs/reference/language)
   // for a list of the currently supported language codes.
   // This field cannot be set by the [Agents.UpdateAgent][google.cloud.dialogflow.cx.v3beta1.Agents.UpdateAgent] method.
-  string default_language_code = 3 [(google.api.field_behavior) = IMMUTABLE];
+  string default_language_code = 3 [
+    (google.api.field_behavior) = REQUIRED,
+    (google.api.field_behavior) = IMMUTABLE
+  ];
 
   // The list of all languages supported by the agent (except for the
   // `default_language_code`).

protos/google/cloud/dialogflow/cx/v3beta1/fulfillment.proto

@@ -95,6 +95,17 @@ message Fulfillment {
                         type: "dialogflow.googleapis.com/Webhook"
                       }];
 
+  // Whether Dialogflow should return currently queued fulfillment response
+  // messages in streaming APIs. If a webhook is specified, it happens before
+  // Dialogflow invokes webhook.
+  // Warning:
+  // 1) This flag only affects streaming API. Responses are still queued
+  // and returned once in non-streaming API.
+  // 2) The flag can be enabled in any fulfillment but only the first 3 partial
+  // responses will be returned. You may only want to apply it to fulfillments
+  // that have slow webhooks.
+  bool return_partial_responses = 8;
+
   // The tag used by the webhook to identify which fulfillment is being called.
   // This field is required if `webhook` is specified.
   string tag = 3;

protos/google/cloud/dialogflow/cx/v3beta1/security_settings.proto

@@ -226,8 +226,10 @@ message SecuritySettings {
   // If empty, we use the default DLP inspect config.
   //
   // The template name will have one of the following formats:
-  // `projects/PROJECT_ID/inspectTemplates/TEMPLATE_ID` OR
-  // `organizations/ORGANIZATION_ID/inspectTemplates/TEMPLATE_ID`
+  // `projects/<Project ID>/inspectTemplates/<Template ID>` OR
+  // `projects/<Project ID>/locations/<Location ID>/inspectTemplates/<Template
+  // ID>` OR
+  // `organizations/<Organization ID>/inspectTemplates/<Template ID>`
   string inspect_template = 9;
 
   // Specifies how data is retained. Note that even if the data is

protos/google/cloud/dialogflow/cx/v3beta1/session.proto

@@ -147,6 +147,20 @@ message DetectIntentRequest {
 
 // The message returned from the DetectIntent method.
 message DetectIntentResponse {
+  // Represents different DetectIntentResponse types.
+  enum ResponseType {
+    // Not specified. This should never happen.
+    RESPONSE_TYPE_UNSPECIFIED = 0;
+
+    // Partial response. e.g. Aggregated responses in a Fulfillment that enables
+    // `return_partial_response` can be returned as partial response.
+    // WARNING: partial response is not eligible for barge-in.
+    PARTIAL = 1;
+
+    // Final response.
+    FINAL = 2;
+  }
+
   // Output only. The unique identifier of the response. It can be used to
   // locate a response in the training example set or for reporting issues.
   string response_id = 1;
@@ -169,6 +183,14 @@ message DetectIntentResponse {
 
   // The config used by the speech synthesizer to generate the output audio.
   OutputAudioConfig output_audio_config = 5;
+
+  // Response type.
+  ResponseType response_type = 6;
+
+  // Indicates whether the partial response can be cancelled when a later
+  // response arrives. e.g. if the agent specified some music as partial
+  // response, it can be cancelled.
+  bool allow_cancellation = 7;
 }
 
 // The top-level message sent by the client to the
@@ -229,6 +251,12 @@ message StreamingDetectIntentRequest {
 
   // Instructs the speech synthesizer how to generate the output audio.
   OutputAudioConfig output_audio_config = 4;
+
+  // Enable partial detect intent response. If this flag is not enabled,
+  // response stream still contains only one final `DetectIntentResponse` even
+  // if some `Fulfillment`s in the agent have been configured to return partial
+  // responses.
+  bool enable_partial_response = 5;
 }
 
 // The top-level message returned from the `StreamingDetectIntent` method.
@@ -408,8 +436,9 @@ message QueryParameters {
   google.protobuf.Struct parameters = 5;
 
   // The unique identifier of the [page][google.cloud.dialogflow.cx.v3beta1.Page] to override the [current
-  // page][QueryResult.current_page] in the session. Format: `projects/<Project
-  // ID>/locations/<Location ID>/agents/<Agent ID>/pages/<page ID>`.
+  // page][QueryResult.current_page] in the session.
+  // Format: `projects/<Project ID>/locations/<Location ID>/agents/<Agent
+  // ID>/flows/<Flow ID>/pages/<Page ID>`.
   //
   // If `current_page` is specified, the previous state of the session will be
   // ignored by Dialogflow, including the [previous