FA-12340 / Battery state accounting / Member archive

Balancing credits the receiver without debiting losses · case 05

Transfer loss is ignored while moving inventory between cells.

Member previewVariant 5 · 3 implementations · 6 checks per implementation

Case contract

For nonnegative inventories and even transfer no greater than donor inventory, return [donor,receiver,lost]; receiver has no capacity bound in this toy model and receives half the transfer.

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
partial	`[30, 30, 0]`	`[30, 20, 10]`	Failed

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

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