FA-12329 / Battery state accounting / Member archive

Idle loss is charged once per observation · case 04

Repeated observations accumulate loss regardless of elapsed model time.

Member previewVariant 4 · 3 implementations · 6 checks per implementation

Case contract

Return final charge under a constant integer loss of one unit per tick and ordered observation timestamps at or after start; settle each elapsed interval once, floor at zero.

Why this case matters

An explicit synthetic battery bookkeeping model isolates this state-accounting error; it is not an engineering prediction or safety procedure.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
repeated timestamp	`77`	`72`	Failed

MEMBER ARCHIVE

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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.

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