Reasoning Agent can execute code now.

[BabyCNM]

Why are these changes needed?

Related issue number

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• I've included any doc changes needed for https://docs.ag2.ai/. See https://docs.ag2.ai/docs/contributor-guide/documentation to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[Hk669]

@BabyCNM thanks for adding execution support to the reasoning agent, have you tested this locally?

[BabyCNM]

@Hk669 Yes, I have tested locally. However, I want to include tool_use too. Hold on a bit.

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ There is a different number of reports uploaded between BASE (bb8b41a) and HEAD (1402b37). Click for more details.

HEAD has 1201 uploads less than BASE

Flag	BASE (bb8b41a)	HEAD (1402b37)
3.13	84	0
ubuntu-latest	138	1
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browser-use	7	0
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commsagent-slack	9	0
windows-latest	104	0
core-without-llm	9	1
3.11	62	1
3.10	92	0
commsagent-telegram	9	0
3.12	35	0
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retrievechat-pgvector	10	0
graph-rag-falkor-db	6	0
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twilio	9	0
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teachable	4	0
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lmm	4	0
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cerebras	14	0
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integration	12	0
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mistral	14	0
ollama	14	0
together	14	0
long-context	3	0
bedrock	14	0
reasoning	14	0

see 62 files with indirect coverage changes