feat: [run] add instances client library

packages/google-cloud-run/README.md

@@ -63,6 +63,12 @@ Samples are in the [`samples/`][homepage_samples] directory. Each sample's `READ
 | delete execution | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/executions.delete_execution.js) |
 | get execution | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/executions.get_execution.js) |
 | list executions | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/executions.list_executions.js) |
+| create instance | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/instances.create_instance.js) |
+| delete instance | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/instances.delete_instance.js) |
+| get instance | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/instances.get_instance.js) |
+| list instances | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/instances.list_instances.js) |
+| start instance | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/instances.start_instance.js) |
+| stop instance | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/instances.stop_instance.js) |
 | create job | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/jobs.create_job.js) |
 | delete job | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/jobs.delete_job.js) |
 | get iam policy | [source code](https://github.com/googleapis/google-cloud-node/blob/main/packages/google-cloud-run/samples/generated/v2/jobs.get_iam_policy.js) |

packages/google-cloud-run/protos/google/cloud/run/v2/container_status.proto

@@ -0,0 +1,35 @@
+// Copyright 2026 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.
+
+syntax = "proto3";
+
+package google.cloud.run.v2;
+
+option go_package = "cloud.google.com/go/run/apiv2/runpb;runpb";
+option java_multiple_files = true;
+option java_outer_classname = "ContainerStatusProto";
+option java_package = "com.google.cloud.run.v2";
+
+// ContainerStatus holds the information of container name and image digest
+// value.
+message ContainerStatus {
+  // The name of the container, if specified.
+  string name = 1;
+
+  // ImageDigest holds the resolved digest for the image specified and resolved
+  // during the creation of Revision. This field holds the digest value
+  // regardless of whether a tag or digest was originally specified in the
+  // Container object.
+  string image_digest = 2;
+}