UI: mobile responsiveness — stack layout, full-width columns, fix A/B + badge on small screens

UI: revert hover (i) icons; restore plain control help text

UI: draw (i) help icon in CSS (fix tofu glyph)

UI: control help as hover (i) icons; primer collapsed by default

UI: add info tooltips to all generation controls

UI: default to Completion mode, add mode tooltip + completion examples

UI: add newcomer 60-second primer (what this is, how to read it, caveat, links)

UI: add metric tooltips + glossary panel explaining each SRT number

Fix verbalization truncation: AV decode length 32->64 tokens

Move gallery to bottom; add SRT meter stats (divergence, r-hat, regime, fidelity, per-layer depth profile)

Fix radio/checkbox: do not override native control background

ZeroGPU: lower duration to 120s (under cap)

Use gradio 6.17.3 (fix starlette incompat), theme on launch, bind 0.0.0.0

Fix Space launch: bind 0.0.0.0:7860

Initial SRT Showcase Space