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Runner IPC fails in AI harness sandboxes #562
Description
A cached vt run fails before starting the task because runner IPC binds a Unix socket. The default Codex and Claude Code sandboxes deny it:
Failed to set up task communication: Operation not permitted (os error 1)
Make cached tasks and nested runners work under both default sandbox profiles without adding Unix-socket allowances.
Sources: Codex permissions, Claude Code sandboxing.
Activity
[-]Avoid Unix-domain sockets for runner IPC in AI harness sandboxes[/-][+]Runner IPC fails in AI harness sandboxes[/+]test(e2e): cover fspy in agent sandboxes (#564)
fix(ipc): use named FIFOs on Unix
fix(ipc): use named FIFOs on Unix (voidzero-dev#565)
fix(ipc): use named FIFOs for task communication on Unix (#569)