- pty.mjs: narrow the BSD argv set to {darwin, freebsd}. Grouping every
BSD together was wrong — NetBSD's `script` takes the command through
`-c`, so the argv form fails at `script` startup, which this smoke would
then report as a TUI crash. Rather than add an unverified `-c` branch
for netbsd/openbsd, they fall through to `null` and the smoke skips with
the reason: a guessed invocation turns a clean skip into a false failure
while looking like support.
- pty.test.mjs: "supported unless Windows" would fail `test:scripts` on
aix/sunos/netbsd/openbsd, where a null wrapper is correct and the smoke
skips by design. State the policy once (SUPPORTED_PLATFORMS) and branch
on it, keeping the real-probe teeth that catch a `script` missing from
PATH. Pin netbsd/openbsd/aix/sunos to null in scriptFlavorFor's tests
so "unsupported" reads as the default, not a win32 special case.
- render-smoke.mjs: the @returns contract claimed a close guarantee the
code does not give — both drain give-up branches resolve after only a
warning, so output can be truncated and the child may still hold the
work dir. Document the bounded fallback and name the required cleanup
shape (removeSafe, not rmSync), since a caller "tightening" cleanup on
the old wording would reintroduce #1801 exactly where it doesn't hold.
- AGENTS.md, clients/launcher/README.md: drop the pre-#2111 claim that the
smokes build test-servers "on demand if it is missing". ensureTestServers
rebuilds unconditionally, once per process — presence is not freshness.
- .github/copilot-instructions.md: mirror the survival rule, per the
same-PR mirroring requirement. One bullet, generalized past this fix:
a smoke must assert the thing survives, not that it started, and the
started-then-died branch belongs in a scripts/lib test against a stub.
Signed-off-by: Cliff Hall <cliff@futurescale.com>
Signed-off-by: cliffhall <cliff@futurescale.com>
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