fix: eliminate unbounded process spawning with 4-layer defense#1085

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rodboev wants to merge 9 commits intothedotmack:mainfrom

rodboev:fix/process-spawn-stabilization

Commits on Feb 13, 2026

chore: add proper-lockfile for spawn coordination
rodboev
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feat: add filesystem mutex for worker spawn coordination
rodboev
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feat: wrap worker spawn in filesystem mutex to prevent TOCTOU race
rodboev
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fix: exit immediately on EADDRINUSE instead of spawning zombie subprocesses
rodboev
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fix: remove redundant start commands from hooks — halves spawn attempts per event
rodboev
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fix: add ChromaSync connection mutex, circuit breaker, and safe state reset
rodboev
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fix: lower orphan age to 5min and add count-based chroma reaper
rodboev
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chore: add @types/proper-lockfile for type safety
rodboev
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refactor: address Gemini peer review findings
rodboev
committed