Add license header

Author: nan-yu

agent_sdks/python/README.md

@@ -84,6 +84,11 @@ To release a new version of the SDK, follow these steps:
 
 The script will build the package, upload it to the Artifact Registry, and trigger the release pipeline.
 
+## Tracking the release
+
+1. Check the release status through Sponge: go/spng2?q=PROJECT%3Aa2ui%2Fpypi
+2. You will see logs for the jobs involved in your release. A successful release is confirmed when the final job, named "publisher", completes successfully.
+
 ## Disclaimer
 
 Important: The sample code provided is for demonstration purposes and

agent_sdks/python/release.sh

@@ -1,4 +1,18 @@
 #!/bin/bash
+# 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.
+
 
 set -e # Exit on error
 #set -x # Echo commands