feat: add MBResourceUsage mixin with POSIX getrusage() capture #110

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alubbock wants to merge 10 commits intomainfrom

feat/resource-usage-mixin

Commits on Mar 19, 2026

feat: add MBResourceUsage mixin with POSIX getrusage() capture
alubbock
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test: add real POSIX tests for MBResourceUsage in both CLI and Python API modes
alubbock
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docs: document MBResourceUsage mixin and update default mixins list
alubbock
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fix(resource-usage): drop maxrss from Python API mode; delta maxrss in CLI mode
alubbock
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test(resource-usage): update Python API tests for maxrss removal
alubbock
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feat(resource-usage): per-iteration list with os.wait4() for exact per-child rusage
alubbock
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refactor(resource-usage): remove dead _HAVE_WAIT4 fallback paths and simplify
alubbock
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fix(cli): add try/finally to ensure child process cleanup on exceptions
alubbock
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fix(cli): remove incorrect pragma: no cover on _do_wait4 exception handler
alubbock
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fix(resource-usage): produce one entry per timed iteration in Python API mode
alubbock
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