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rldb/lance: gripper steps schema and robot reads - #728

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@RyanPCo RyanPCo commented Oct 22, 2026 •

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Gripper steps tables (steps/{lab}/eva_/gripper.lance) store each arm's
measured and commanded EE pose, joints and gripper under the zarr key
names, plus left_valid/right_valid for forward-filled dropout frames. The
loader maps zarr keys to columns per end_effector, treats a validity flag
the table lacks (robots have no head) as always true, and knows the eva_

arm sets.

https://claude.ai/code/session_01HjCQBqQCr2igFEMR7yUovw

@RyanPCo
RyanPCo force-pushed the ryanco/aria-task-end branch from 8791de4 to 6f3ad13 Compare October 22, 2026 14:06
@RyanPCo
RyanPCo force-pushed the ryanco/eva-lance-loader branch 2 times, most recently from 45d3f6f to e47c29b Compare October 23, 2026 19:28
@RyanPCo
RyanPCo force-pushed the ryanco/aria-task-end branch from 6f3ad13 to aa4a683 Compare October 23, 2026 19:28
@RyanPCo RyanPCo changed the title rldb/lance: steps/eva schema and robot reads rldb/lance: gripper steps schema and robot reads Oct 23, 2026
@RyanPCo
RyanPCo force-pushed the ryanco/eva-lance-loader branch from e47c29b to 6f6e2ad Compare October 23, 2026 19:36
steps/eva stores each arm's measured and commanded EE pose, joints and
gripper under the zarr key names, plus left_valid/right_valid for
forward-filled dropout frames. The loader maps zarr keys to columns per
lab, treats a validity flag the table lacks (robots have no head) as
always true, and knows the eva_* arm sets. tag, compact and cleanup now
cover every lab's steps table.

Claude-Session: https://claude.ai/code/session_01Kt1E8T2x8kdV9akAvbJyVd
@RyanPCo
RyanPCo force-pushed the ryanco/eva-lance-loader branch from 6f6e2ad to 3207022 Compare October 23, 2026 20:03
@RyanPCo
RyanPCo force-pushed the ryanco/aria-task-end branch from 6c03a10 to 1019d82 Compare October 23, 2026 20:03
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