EM1-0434: deeper wrist trim (wrist=94), declined window now cut

refresh 10 stale episodes: EM1-0434 wrist trim + standardized spans

sync to the public labeled corpus: 32 episodes (+14 incl. sweep, -5 dropped)

Scrub rig location token from overlay metadata

card: CaryX branding

HAND-JITTER-3: overlays now carry the wrist-stabilized hand keypoints

remove 019fb6e9-878f-74f3-a5d6-4465732b4c4f (EM1-0168): low label density, pulled from the sample

HAND-JITTER-2: overlays now carry the tip-smoothed hand keypoints

card: EM1 naming, no em-dashes, matched footer

Lighter mask/depth encodes: quarter-res, normal GOP (fixes 60fps decode stall)

Per-frame depth videos + depth spread metadata

All-intra mask videos (frame-locked seeking) + EM1 clip ids in overlays

Viewer assets: 24 episodes (rgb + mask videos + overlays)

initial commit