Distillation

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<observations> Date: Aug 4, 2026 * 🟡 (21:01) Scheduled follow-up (id rg2alv9d) executed to re-check CI status of PR #21336 * 🟡 (21:01) CI run 30949226540 all checks passed: backend typing pass 2m16s, backend test shards 0-6 all pass. Shard durations: 0=10m35s, 1=11m49s, 2=11m19s, 3=12m26s, 4=10m45s, 5=10m54s, 6=10m22s. PR #21336 is CI-green * 🟡 (21:01) Todo list final state — completed: trailing dot DNS fix in cellsilo.py, orbital.py refactor (no_socket metric at module load, conditional notify_orbital), mypy fixes in test_orbital.py, test_no_socket noop verification, prek lint/typecheck/format, push branch and re-verify CI. Cancelled: run orbital tests (skipped per cursorsabot feedback) * 🟡 (21:01) Final PR #21336 contains 6 commits on branch fix/orbital-volume-metrics-ip-dns: 6822013f33 (original fix: metrics, IP fallback, DNS), 1140515902 (noop when socket unset, FQDN default DNS), d5a1d30bab (drop unused # type: ignore), ae1ed477fe (exercise no