Remove the 140-line Iteration 16 test section (commit 5d4e7b5) that
represented manually supplied checkpoint values as evidence of
target-scoped contribution behaviour. The section used extractLiveExperimentCheckpoint
to construct mock result objects simulating multi-episode state transitions
but could not observe contributions — the deterministic seam has no
contributions field in its return shape.
Preserves: all pre-existing checkpoint tests, Iteration 15 source-level
assertions, synthetic CU synthesis tests, and existing helper imports.
robbond
f1fae621f1