FA-93185 / EV charging session scheduling / Member archive

Demand-response curtailment of a charge plan: floor applies only to curtailment · case 05

Slots planned below the floor, even zero-power slots, are raised to the floor power.

Member previewVariant 5 · 3 implementations · 7 checks per implementation

Case contract

profile is planned watts per slot. events are [start, end, pct, opt_out]; during [start, end) a non-opted-out event limits power to pct percent of plan (integer floor of p*pct/100), and overlapping events apply the lowest pct. Curtailed power never drops below min(plan, floor_w). Return [new profile, total curtailed watts over slots].

Why this case matters

Depot, workplace and public EV chargers schedule sessions against prices, circuit limits and departure deadlines; a wrong decision silently strands a driver or overloads a feeder.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
boundary: plan below floor	`[[1380, 1380], 5640]`	`[[1000, 1380], 6020]`	Failed

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