TasksDebuggingEngineering track

Time zone bug in appointment reminders

eng-debug-03suite v1.0code

Quality30%judge panel
Correctness55%deterministic · hidden-tests
Completeness15%judge panel

Exact prompt sent to every model

Below is a TypeScript service that schedules SMS reminders 24 hours before dental appointments. Symptom: "Patients in Arizona get reminders an hour early in summer, and on the day daylight saving ended everyone in Georgia got their reminder twice." Find and fix the root cause. Keep the existing exported API. Return changed files with // file: <path> first lines and a short explanation. If the fix requires a dependency, say so and why, but prefer none.

A private fixture (eng-debug-03/src) is shown to the model but not published.

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