Confirmed prune. Space pinned by OS-update snapshots (macOS 26.5.2 staged); realizes on next reboot. Updated DECISIONS.md Decision 2. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Decisions needing John
Lane B stops here per the PLAN's John-decision protocol. Full analysis in B1_BAKEOFF.md.
Headline: the SMPL hard-stop is (probably) avoided
The gate the plan feared — "SOTA model needs SMPL, which is research-licensed, so a commercial license decision blocks everything" — does not fire for the recommended engine. The fresh search turned up MoCapAnything V2: MIT code + MIT weights, commercial use permitted, no SMPL anywhere, and it emits BVH straight onto our mixamorig rig. So the remaining decision is lighter and strategic, not a legal wall.
Decision 1 — pose engine (the real choice)
| Option | Pros | Cons |
|---|---|---|
| A. MoCapAnything V2 (recommended) | commercial-clean (MIT/MIT), no SMPL, BVH-direct onto mixamorig (kills a spec file + most of Lane C), runs on the fleet, cross-species bonus for centaurs | newer/less battle-tested; linked code is a re-implementation; global-trajectory + MPS not yet proven (cheap to verify) |
| B. Pay for GVHMR-grade | best measured accuracy (beats WHAM 18–28%) | GVHMR code is non-commercial → must negotiate a paid ZJU license and separately clear SMPL. Two negotiations for one engine. |
| C. GEM-X | cleanest license + best output format | CUDA-only — needs an NVIDIA box the fleet doesn't have; renting cloud CUDA breaks the zero-cloud rule |
Recommendation: A. Go MoCapAnything V2. It's the only option that is commercial-clean, on-fleet, and BVH-direct at once. Verify its two unknowns (global trajectory, MPS) on the sample data next session before committing B2 code to it. Keep GVHMR as a research-only accuracy yardstick if you ever want to know what B would buy.
→ John: confirm "go MoCapAnything," or say if you want the paid-GVHMR route explored.
Decision 2 — clear m3ultra disk (RESOLVED pending reboot, 2026-07-17)
Was 98% full (20 GB free). Deleted unsloth/GLM-4.6-GGUF (147 GB, re-downloadable, 0 code
refs) from the HF cache with John's OK. But df still shows 20 GB — the freed blocks are
pinned by macOS OS-update snapshots: a macOS Tahoe 26.5.2 update is staged (recommended
/ security, "Action: restart") and the box has 18 days uptime. Space realizes on next
reboot, which also applies the pending update. No ~/.jobs heartbeat job is running (load is
just the Claude desktop app), so a reboot kills nothing tracked.
→ John: reboot m3ultra when convenient → applies 26.5.2 + reclaims 147 GB (→ ~167 GB free, ample for Lane B). Not doing this myself — it's your workstation. Kept the FLUX variants (you deselected them); another ~200 GB is prunable there later if wanted.
Decision 3 — test footage (blocker for the real quality call)
capture/inbox/ is empty. I can smoke-test MoCapAnything on its bundled sample, but the
honest walk/dance/pick-up-object quality verdict — and all of B2/B3 + the acceptance check —
needs your clips. Film the PLAN's three per docs/CAPTURE.md (T-pose bookends, feet in
frame) and drop them in the inbox, then python3 ingest.py.
→ John: film + ingest walk / dance / pick-up-object when convenient.
Once Decision 1 is confirmed and 2–3 are unblocked, the next session installs MoCapAnything on m3ultra, proves MPS + global trajectory, and proceeds to B2 (service-ize) / B3 (jitter).