Adrià Arrufat ed966e15ec python: kill the sidecar when its parent dies ...

PR_SET_PDEATHSIG on the spawned lightpanda mcp process (Linux) so a
SIGKILLed or crashed interpreter cannot leak a browser process — a
2h44m orphan surfaced during the v6 benchmark campaign. Regression
test kills a parent and asserts the sidecar exits.

2026-07-24 16:26:03 +02:00

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