Merge lane base check: develop 7219208eafc5

Merge lane base check: run the full gate on `develop` at `7219208eafc5f97e40a79e0687693d27ace3aa44` alone and report it certified or red, beside lane run 7099. Filed by the control plane (`app/merge_lane.py::request_base_check`).

Base 7219208 RED (develop_red reported): 2 stale tests after Task 6722 removed script runs (TaskDetailPage script-run test, test_host_platform launch_kinds). Fixed forward in #5779 (full gate green, merged 33d55d0b, Jaah Deploy success). mem-2 used.