Use keyword matching for CodeAct microagents

[rbren]

End-user friendly description of the problem this fixes or functionality that this introduces

• Include this change in the Release Notes. If checked, you must provide an end-user friendly description for your change below
  Better support for pushing changes to GitHub

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Give a summary of what the PR does, explaining any non-trivial design decisions

This redesigns the way that microagents plug into CodeAct

• Remove required env vars--this doesn't work with remote runtimes
• Use keyword matching to pull in additional prompts, rather than making the user choose a microagent
• Modify the GitHub microagent a bit, to replace the current frontend-based prompt

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Link of any specific issues this addresses

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To run this PR locally, use the following command:

docker run -it --rm   -p 3000:3000   -v /var/run/docker.sock:/var/run/docker.sock   --add-host host.docker.internal:host-gateway   -e SANDBOX_RUNTIME_CONTAINER_IMAGE=docker.all-hands.dev/all-hands-ai/runtime:b8879e7-nikolaik   --name openhands-app-b8879e7   docker.all-hands.dev/all-hands-ai/openhands:b8879e7

[mamoodi]

@rbren hasn't been too long but just wanted to do a gentle ping to check if this is something on your radar.

[rbren]

Yes this is next on my list!

[enyst]

The code and template redesign look great to me.

Just a thought, we may want to run something like one swe-bench task or two, just to see the prompts (there's a prompt piece inserted from evals as user message iirc) and cost logs.

[mamoodi]

@enyst Ran a Swebench lite with 3 instances as per Robert's request.
evaluation.zip

Let me know if you require anything else.

[xingyaoww]

LGTM! I'll try to clean up all the default prompt (#4711) so this will be much easier to maintain going forward

[xingyaoww]

🤣

[enyst]

Thank you mamoodi! I don't see anything suspicious 🐈‍⬛

[xingyaoww]

spotted these minor prompt issue - <execute_bash> is no longer useful in function calling

[rbren]

@xingyaoww fixed! good catch

FWIW here's what I'm trying to avoid 😂