FA-50130 / PCM sample encoding / Member archive

Pcm escaped residuals: truncated escape · case 05

A dangling PCM escape is falsely reported as a complete packet.

Member previewVariant 5 · 3 implementations · 8 checks per implementation

Case contract

Decode a stipulated PCM residual stream with an escape token followed by an absolute sample anchor; report a dangling escape without losing valid prefix state.

Why this case matters

Offline PCM interchange uses these exact bounded packet and sample representation decisions.

One recorded failure

Sample boundary fixture

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

Boundary fixture	Actual	Expected	Outcome
oracle 3	`[[4], 4, "ok"]`	`[[4], 4, "truncated"]`	Failed

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

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