v1.26.0

What's Changed

• docs: derive JSON-LD softwareVersion and dateModified from build by @druide67 in #62
• feat(fleet): stacked UMA bars — now vs after-load on one scale by @druide67 in #63
• feat(web): leaderboard client quick wins — sort, engine chips, tok/s bars, counter by @druide67 in #64
• feat(bench): model picker on the six mode forms by @druide67 in #65
• docs(leaderboard): dedup style/script ×9 into shared assets + v2 column parity by @druide67 in #66
• feat(web): leaderboard v2 — window selector, v2 columns, per-row drill-down by @druide67 in #67

Full Changelog: v1.25.0...v1.26.0