feat(ui): in-card determinate progress bar via gr.Timer (Option T)

feat(ui): determinate per-clip encode progress bar (Option X)

feat(mps): blocked/streaming V-JEPA2 attention (Approach C) — structural memory bound, replaces per-layer empty_cache hook

fix(windowing): global z-score post-stitch (cross-window scale consistency) to cure WIN-1 seam

feat(quality): surface 'no speech track -> video-only' notice when no Word events

feat(mps): per-layer empty_cache hook on V-JEPA2 encoder layers (TRIBE_MPS_EMPTY_EVERY)

feat(memguard): vm_stat system-memory governor for local MPS runs

Integrate full app: 3-mode UI + windowed inference + ROI metrics + timeline

Scaffold TRIBE v2 Video Brain-Score Space