Why:
Go-to-Python tests leave ignored bytecode in fixed sources, lifecycle clones need a fixed main reference, and boundary gates require ripgrep.
Evidence:
SELF real byproduct and clone regressions failed before repair; host passed 11 component cases, 4 hook cases and 33 CI credential cases.
Impact:
Execute versioned Go checks in disposable clones while preserving editable overlays and strict dirty guards; install the boundary prerequisite and seed only isolated pinned lifecycle refs.
Refs:
R8-R10, R14-R15; dependency-workspace U5; Dev PR 537 run 3036