Use lowercase control ids for ckdev-mutate 0.9.8. Restrict the transition-epoch mutant to a torn row so setup remains healthy and the named test reaches the intended planning operation.

Verified locally: build, TypeScript 7.0.2 typecheck, Biome 2.5.14 lint; 1421 tests passed, 12 optional cases skipped; 1414 sources cells matched. All 31 final controls and 8 affected existing controls CAUGHT; 249 catalogue anchors checked. npm pack SHA-256 aebd3e2edde43d154b3bb99e4d684720b686e20fec2f04a3c6b91c854c3ce49a, 179 files.