[czirker]

Summary

• configuration.update() called v2's service.config.update, which v3 clients don't have, so any bot that calls it (bus-api, firehose_processor, s3-load-trigger) crashed at load. The DynamoDB, Kinesis, Firehose and S3 clients are now rebuilt when region or credentials actually change. leo.aws.s3/kinesis/firehose are getters, so callers get the current client.
• The Lambda runtime only exposes @aws-sdk/* to function code. Bundles that leave the SDK to the runtime failed with Cannot find module '@smithy/node-http-handler'. requestHandler is now a plain options object, which the clients turn into a NodeHttpHandler themselves.

Testing

• 301 unit tests pass.
• Published as leo-sdk@7.1.22-awsv3node26.0 (dist-tag awsv3node26; latest unchanged) and deployed in leo-bus 4.0.0 on nodejs26.x to the ClintTestBus test stack. bus-api (Kinesis, firehose and S3 write paths, read, checkpoint), the firehose → S3 load trigger → firehose processor chain, the install custom resource, cron and monitor all ran with no errors.

Before merge

• Release a final version. Don't push a v7.1.22-awsv3node26.0 git tag: the publish workflow strips the prerelease suffix and would publish plain 7.1.22 to latest.

🤖 Generated with Claude Code

[ch-snyk-sa]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.