For Judges page: compact contact sheets for every tool screenshot

The page drops from about 10,260 px to about 5,080 px at 1280 wide, and the default view from about 1,550 words to about 790.

• A sticky bar keeps the 5 weighted categories one click away
• The 7 official evidence rows sit in a two-column grid, one line each
• neatlogs, Entire and cfo.ai each get one headline number and a contact sheet: 10, 6 and 5 screenshots, each with a numbered chip and a caption that names its trace or file where the repo records one
• Thumbnails open full size in a native dialog: Enter opens, arrows move, Escape closes
• New cfo.ai images: the AccuKnox receipt and two crops of the plan page
• Entire coverage is recomputed from git on main: 77 of 115
• The 4 upstream PRs show as a screenshot row
• Each section has one "Show details" block