Add FileSystem and Shell capabilities#177

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DouweM wants to merge 3 commits intomainfrom

capability/filesystem-shell

Commits on Apr 2, 2026

Add FileSystem and Shell capabilities

DouweM
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claude
committed
Add create_directory/find_files tools, Shell stderr separation and persist_cwd

DouweM
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claude
committed
Fix Python 3.10 test failure: properly close subprocess and suppress GC warnings

DouweM
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claude
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