Describe JEV accurately: typed probabilities via API, 20 output tokens per decision

Corrected constants: ZTC AUC 0.7289, JEV 0.591 s API round-trip; board framed as air-gapped deployment

numbers: corrected AUCs + state the statistical tie

numbers: ZTC 0.7389 +/- 0.0112, JEV 0.7350 - accuracy is a statistical tie

links: add Verifier Playground

docs: cross-link ZTC ecosystem badges

links: ZTC ecosystem row in the page

meta: declare linked models + ZTC tags

docs: cross-link ZTC ecosystem badges

i18n: localize document title

i18n: ko/en/zh with browser auto-detect and language switch

arcade: page

arcade: app

arcade: readme

space: page

space: app

space: README.md

space: Dockerfile

initial commit