The download-only phase (EBI ~15 MB/s) left the CPU idle long enough for the idle alarm to terminate the first run. Streams are now cut to the manifest positions (±100 bp) and the 120 individuals while genotyping runs. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01814GKVzZVL3FuF3DeiZXhv