chore: add compatibility replacement for monitoring-dashboards

Author: jskeet

.librarian/generator-input/client-post-processing/monitoring-dashboards-compatibility.yaml

@@ -0,0 +1,31 @@
+# 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.
+description: Preserve original index.rst
+replacements:
+  - paths: [
+      packages/google-cloud-monitoring-dashboards/docs/index.rst
+    ]
+    before: |
+      .. toctree::
+          :maxdepth: 2
+
+          dashboard_v1/services_
+          dashboard_v1/types_
+    after: |
+      .. toctree::
+          :maxdepth: 2
+
+          monitoring_dashboard_v1/services_
+          monitoring_dashboard_v1/types_
+    count: 1