feat(primo): Boards rail toggle, facet rename, ScientaLab data repos

Add task-by-repeat Elo leaderboard

Use repeated subject-grouped CV scoring

fix(primo): preserve legacy leaderboard history

Ship redesigned PRIMO Space (rail nav, primo.css) reading PRIMOmics data

Rewrite the Space copy: remove em-dashes, soften phrasing

PRIMO Space redesign: baselines, open boards, Contribute tab, quickstart, PRIMO identity

Per-category leaderboard (drop skill)

PRIMO: transfer-task scoring (split column)

Rename Lodestar -> PRIMO

Task-based evaluator

Upload folder using huggingface_hub

Upload folder using huggingface_hub

Upload folder using huggingface_hub