Fix test broker leaks, state races, and signal-masked command failures#541

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apedroheringer wants to merge 20 commits into

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apedroheringer:fix/broker-teardown-state-locking

Commits on Jul 22, 2026

Fix test broker leaks, state races, and signal-masked failures
apedroheringer
committed

Commits on Jul 23, 2026

Commits on Jul 25, 2026

Fix tokenless legacy broker upgrades
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Fix reused-PID lock ownership across platforms
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Refactor private file and process helpers
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Serialize broker teardown and session cleanup
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Fix shutdown edge cases and consolidate duplicated helpers

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Keep Linux processes with unreadable /proc metadata running

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Tighten remaining duplication in broker entry points

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Verify legacy brokers by session artifacts, not launch cwd

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Honor verified legacy ownership during forced shutdown

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Trust proven process ownership for endpoint cleanup

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Consolidate broker teardown and defer process identity lookup

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Drop unused verifyProcess override from token matching

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Confirm broker spawn before persisting session state

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Fail closed on pid file errors and unwind failed session persists

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Pin broker liveness checks to a persisted process identity

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Reclaim sessions whose dead leader left an orphaned process group

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