fix: prefer complete row when deduping config re-runs

fix: dedupe config re-runs in results table

fix: count depth submit axes in cap; surface lossless/use_log in depth leaderboard; doc + fallback cleanups

refactor: drop dead _column helper and unused schema import in compute

refactor: parameterize compute.leaderboard and compare_scatter per benchmark

feat(gradio): update to gradio app