tools need to use /tmp when running as lamba/BRAC

[wjquigsAZ]

Description

When running Strands agents in Bedrock AgentCore Runtime, the tools run as lambdas, so they do not have write access to their runtime directory. The only writable directory is /tmp. I changed all the references to mkdir or os.makedirs to prepend /tmp so the tools will work in AgentCore.
There should not be any changes to documentation required.

Related Issues

Documentation PR

Type of Change

Bug fix

Testing

Tested in AgentCore runtime

• I ran hatch run prepare

Checklist

• [ x] I have read the CONTRIBUTING document
• [ x] I have added any necessary tests that prove my fix is effective or my feature works
• [ x] I have updated the documentation accordingly
• [ x] I have added an appropriate example to the documentation to outline the feature
• [ x] My changes generate no new warnings
• [ x] Any dependent changes have been merged and published

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