When an automation fails silently you lose the worst kind of data — the kind that nobody knows is missing. Hardening adds eyes to every step so you find out within minutes, not weeks.
How the engagement runs
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01
Map failure modes
Every step inspected for what happens when an API rate-limits or returns null.
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02
Wire fallbacks
Error paths added with retry, formatter recovery, and human-readable Slack alerts.
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03
Dead-letter route
A central Sheet or channel collects anything the pipeline could not recover.