The runtime socket dir accumulated orphaned *.sock nodes from crashed
instances — only the current workspace's own path was ever cleaned. Add a
best-effort startup sweep that probes every *.sock in the dir and unlinks
only the dead ones; live instances (something answers) and unresponsive
nodes (possibly hung) are left alone. Runs before bind, alongside the
existing per-workspace stale-unlink. Never blocks our own startup on a
sweep failure.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8
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