The Prompt Canary: Catching Silent Input Truncation Before Your Nightly Job Ships Bad Output
Why does a nightly summarisation job keep producing summaries that sound confident and completely ignore the last third of every document? Nothing crashes, no retry fires, the queue drains by morning, and the only symptom is a human noticing that paragraph nine never made it into the output. I spen…
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- 2026-11-07 03:53 · DEV Community — AI
The Prompt Canary: Catching Silent Input Truncation Before Your Nightly Job Ships Bad Output