Mark the launchability probe skipped in ordinary package runs so a helper-only guard cannot be mistaken for executed coverage.
Signed-off-by: Ewen Cuthiell <ewencuthiell@gmail.com>
Agent-Signature: codex-gpt-5-unknown-reasoning on behalf of Ewen Cuthiell
Derive the complete test-runner output with go env GOEXE before both
building and exporting it. Add a fast process regression for launchability
and caller precedence, maintained by the existing three-host preflight lane.
Fixes#5502
Agent-Signature: codex-gpt-5-unknown-reasoning on behalf of Ewen Cuthiell