reconcile_opened_issue's two early exits were bare returns, which carry
the failed guard's status into the executed script's set -e — every
triage-authored mint killed the labels run before one issue was
reconciled (#91, 4/4 observed). The stand-downs now say return 0; a
genuine failure on the arrival path still aborts loudly.
The suite sources the script and takes the set -u-only branch, so it
was blind to this by construction. The new arrival section executes the
script as a subprocess behind a fixture-serving gh stub (the house
pattern from test/release-chain.test.sh) and covers all three arrival
outcomes plus the preserved loud-failure path; it fails against
bb37c15 with the production signature — exit 1, empty output.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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