Write the on-call alert when the handoff score drops hard

About this exercise

Pedalbot's nightly handoff-accuracy score came in at 89 and the alert rule in the material applies. Write a 4-line plain-text Slack message to the on-call person. Line 1 is exactly 'ALERT: Pedalbot handoff score 89 tonight'. Line 2 is 'Math: avg A, SD S, alert line L, tonight N SD below' with real numbers. Line 3 is 'Check first: ' plus the deploy from the deploy log, as a thing to check and not a claimed cause. Line 4 is 'Owner: ' plus the on-call name. Under 55 words.

Common mistakes when you ask AI for this

• Excusing it with the bar. The AI says 89 is still above 85, so no worry. Try: Say: "The alert rule is standard deviations, not the merge bar."
• Wrong statistics. The AI uses the range or divides by 6 and gets the wrong threshold. Try: Add: "Average and SD of the previous 7 nights, divide by 7."
• Blaming v7 as fact. The AI states the deploy caused the drop. Try: Add: "Say 'check', do not claim the cause."
• Long Slack post. The AI writes greetings, bullets and bold. Try: Add: "Plain text, exactly 4 lines, under 55 words."

What a strong prompt includes

• Fixes the four line openers
• Includes the numbers
• Names who gets it
• Treats the cause as a lead
• Asks for plain text

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