Presentability: neutralize competition-meta, tidy logbook pages

retag: pages

retag: logbook.json (verbatim titles)

retag: index.html title

retag -> paper-BXE3Z0EHCs + new title

retag: drop stale pages/

Update logbook: Reproduction: SCENT — Stochastic Compositional Entropic Risk Minimization

repro: add C1/C3/C4 mathematical verification pages (closed-form dual, bounded iterates, kappa)

Update logbook: Reproduction: SCENT — Stochastic Compositional Entropic Risk Minimization

Update logbook: Reproduction: SCENT — Stochastic Compositional Entropic Risk Minimization

Update logbook: Reproduction: SCENT — Stochastic Compositional Entropic Risk Minimization

Update logbook: Reproduction: SCENT — Stochastic Compositional Entropic Risk Minimization

initial commit