Consolidated explorer shell on the Space: sidebar nav (eval/sessions toggle), bundled demo session, footer cross-nav to essay/arXiv/github; relative same-origin fetch; +2 datasets in SUGGESTED

feat: free-text 'any HF dataset' input (live-ingest)

copy: tighten comparator sub-line

feat: outcome axis first + default in comparator

feat: outcome axis, provenance, mobile, generalized comparator

feat: side-by-side comparator (agent/eval axes) + trail-as-thread

feat: quick stats, larger cap (20k), readable hit rows, tighter copy

deploy procgrep explorer