[Feature Request]BedrockChatStack-BackendApiHandlerRoleXXX needs AmazonS3ReadOnlyAccess policy

[HirokiNakatani]

Describe the solution you'd like

BedrockChatStack-BackendApiHandlerRoleXXX needs AmazonS3ReadOnlyAccess policy

Why the solution needed

This is because when S3 is the source, you cannot directly open the document referenced by the context.

Additional context

Implementation feasibility

Are you willing to collaborate with us to discuss the solution, decide on the approach, and assist with the implementation?

• Yes, I am able to implement the feature and create a pull request.
• No, I am unable to implement the feature, but I am open to discussing the solution.

[statefb]

Sorry, I cannot understand the issue. Please describe the detail

[HirokiNakatani]

If Lambda does not have S3 permissions, it cannot open and verify the reference document in the context.