FA-93244 / EV charging session scheduling / Member archive

Contiguous cheap charging blocks: run accumulator reset · case 04

Separate cheap periods are merged into one long run that includes expensive gaps.

Member previewVariant 4 · 3 implementations · 7 checks per implementation

Case contract

Slots with price <= threshold form runs of consecutive slots; runs shorter than min_len are ignored to avoid contactor cycling. Slots of qualifying runs are taken chronologically until need_slots are chosen. If still short, the remaining cheapest unchosen slots (ties: earlier) are added regardless of runs and fallback is True. Return [sorted slots, fallback].

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
regression: run accumulator reset	`[[0, 2], false]`	`[[2, 4], true]`	Failed

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