Misconfigured Default Triggered False Outage Alerts for Weeks Before Fix

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A software team's migration of cron job alerts from email to a Nostr-relay chat system called Buzz inadvertently introduced a bug that caused repeated false outage notifications. A shared library used by all cron producers contained a default command that always failed, causing every producer to exhaust its Buzz retries and fall back to sending email alerts instead. The flaw went undetected because a CLI workaround had quietly applied the correct transport for a subset of callers, masking the library path's broken behavior. Developers resolved the issue by promoting the real transport to the default for all code paths, eliminating the need for each producer to manually opt in. A secondary bug in dry-run handling was also uncovered and fixed during the process, with all 103 tests in the alert-floor suite ultimately passing.

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