feat: [google-cloud-discoveryengine] add AssistantService (#14133)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 785997711

Source-Link:
googleapis/googleapis@29c6015

Source-Link:
googleapis/googleapis-gen@ceba1d4
Copy-Tag:
eyJwIjoicGFja2FnZXMvZ29vZ2xlLWNsb3VkLWRpc2NvdmVyeWVuZ2luZS8uT3dsQm90LnlhbWwiLCJoIjoiY2ViYTFkNGNiOTM3MmNhMjUxNzhiNzg5ZmQ0ODAwNDUxMjhhM2RkMyJ9

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

packages/google-cloud-discoveryengine/docs/discoveryengine_v1/assistant_service.rst

@@ -0,0 +1,6 @@
+AssistantService
+----------------------------------
+
+.. automodule:: google.cloud.discoveryengine_v1.services.assistant_service
+    :members:
+    :inherited-members:

packages/google-cloud-discoveryengine/docs/discoveryengine_v1/services_.rst

@@ -3,6 +3,7 @@ Services for Google Cloud Discoveryengine v1 API
 .. toctree::
     :maxdepth: 2
 
+    assistant_service
     cmek_config_service
     completion_service
     control_service

packages/google-cloud-discoveryengine/google/cloud/discoveryengine/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.13.9"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}

packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/__init__.py

@@ -18,6 +18,10 @@
 __version__ = package_version.__version__
 
 
+from .services.assistant_service import (
+    AssistantServiceAsyncClient,
+    AssistantServiceClient,
+)
 from .services.cmek_config_service import (
     CmekConfigServiceAsyncClient,
     CmekConfigServiceClient,
@@ -74,6 +78,17 @@
     UserLicenseServiceClient,
 )
 from .types.answer import Answer
+from .types.assist_answer import (
+    AssistAnswer,
+    AssistantContent,
+    AssistantGroundedContent,
+)
+from .types.assistant import Assistant
+from .types.assistant_service import (
+    AssistUserMetadata,
+    StreamAssistRequest,
+    StreamAssistResponse,
+)
 from .types.chunk import Chunk
 from .types.cmek_config_service import (
     CmekConfig,
@@ -325,6 +340,7 @@
 )
 
 __all__ = (
+    "AssistantServiceAsyncClient",
     "CmekConfigServiceAsyncClient",
     "CompletionServiceAsyncClient",
     "ControlServiceAsyncClient",
@@ -349,6 +365,12 @@
     "Answer",
     "AnswerQueryRequest",
     "AnswerQueryResponse",
+    "AssistAnswer",
+    "AssistUserMetadata",
+    "Assistant",
+    "AssistantContent",
+    "AssistantGroundedContent",
+    "AssistantServiceClient",
     "BatchCreateTargetSiteMetadata",
     "BatchCreateTargetSitesRequest",
     "BatchCreateTargetSitesResponse",
@@ -565,6 +587,8 @@
     "Sitemap",
     "SolutionType",
     "SpannerSource",
+    "StreamAssistRequest",
+    "StreamAssistResponse",
     "SuggestionDenyListEntry",
     "TargetSite",
     "TextInput",

packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/gapic_metadata.json

@@ -5,6 +5,40 @@
   "protoPackage": "google.cloud.discoveryengine.v1",
   "schema": "1.0",
   "services": {
+    "AssistantService": {
+      "clients": {
+        "grpc": {
+          "libraryClient": "AssistantServiceClient",
+          "rpcs": {
+            "StreamAssist": {
+              "methods": [
+                "stream_assist"
+              ]
+            }
+          }
+        },
+        "grpc-async": {
+          "libraryClient": "AssistantServiceAsyncClient",
+          "rpcs": {
+            "StreamAssist": {
+              "methods": [
+                "stream_assist"
+              ]
+            }
+          }
+        },
+        "rest": {
+          "libraryClient": "AssistantServiceClient",
+          "rpcs": {
+            "StreamAssist": {
+              "methods": [
+                "stream_assist"
+              ]
+            }
+          }
+        }
+      }
+    },
     "CmekConfigService": {
       "clients": {
         "grpc": {

packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/gapic_version.py

@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.13.9"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}

packages/google-cloud-discoveryengine/google/cloud/discoveryengine_v1/services/assistant_service/__init__.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+from .async_client import AssistantServiceAsyncClient
+from .client import AssistantServiceClient
+
+__all__ = (
+    "AssistantServiceClient",
+    "AssistantServiceAsyncClient",
+)