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P8 scheduler: deadline risk uses exact deadline and arrival instants - #19
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aaneyasabharwal merged 1 commit intoNov 14, 2026
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…s [P8] The workflow floored the deadline to a whole forecast hour and the engine measured a window in the arrival slot from the start of that hour: - a window ending 32 min before the deadline was treated as having zero slack (50 % miss risk at cv > 0) and was rejected (over-conservative); - an immediate start was measured up to an hour early, so its risk was understated. The floor masked this; fixing the deadline alone would have recommended a window with ~34 % true risk under a 5 % tolerance. Now the deadline is fractional and the arrival slot carries its offset (arrivalOffsetHours), so P(miss) uses the true slack. Whole-hour inputs (benchmark replays) are unchanged. Regression tests for both cases, the deterministic boundary (1 min early/late), whole-hour behaviour and input validation. Methodology documented. Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The workflow floored the deadline to a whole forecast hour, and the engine measured a window in the arrival slot from the start of that hour:
Fix: fractional deadline and an arrival offset (
arrivalOffsetHours) so P(miss) uses the true slack. Whole-hour inputs (benchmark replays) are unchanged. 6 regression tests (both cases, the deterministic 1-minute boundary, whole-hour behaviour, validation); methodology documented. CI 4/4 green.Not merged, not deployed;
mainuntouched.🤖 Generated with Claude Code