serving panel: requests-per-GPU multiple to 3.7x (nearly 4x), T=2 cached

Serving panel: replace TTFT speed claim with honest requests-per-GPU throughput framing

Dark mode: fix serving panel white-island text

Serving panel: darken secondary text, fold the note

Fix: bold the serving panel heading (explicit font-weight)

Re-add serving-economics panel (verified render; prior outage was the rebuild window)

Roll back serving panel (malformed .then lambda broke the frontend); fix incoming

Add serving-economics panel: TTFT race on Run comparison (measured, brand theme)