fix(test): fix flaky ctrl-c e2e test on macOS Rosetta CI#308
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Move "ctrl-c received" print from the signal handler to the main thread (after OnceLock::wait), so it always executes after the milestone flush println!(). Previously, std::process::exit(0) in the handler could terminate before output reached the PTY, causing flaky snapshot diffs. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
println!()aftermark_milestoneinexit-on-ctrlc— the\nwas flaky on macOS Rosetta CI (sometimes lost in the PTY, causing snapshot mismatch)\n)OnceLockto wait for ctrl-c on the main thread instead ofstd::process::exit(0)in the signal handlerFailed job: https://github.com/voidzero-dev/vite-task/actions/runs/23702188288/job/69047978201
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