Seven more apps: support 64x64 square panels (round 2)

[nsluke]

Seven more. Each rendered at 64×32, 64×64 and 128×64, then installed on real hardware — a 64×32, two 64×64 and a 128×64 display on the bench — and rendered by the server for all four.

app	64×32 (unchanged)	64×64
worldclock
binaryclock
cisaticker
germanpartypolls
citibikebymk
usdebtclock
solartimeclock

_{64×64 column: the committed @64x64.webp preview (native 64px, upscaled by the browser). 64×32 column: the app's existing preview.}

What changed, per app

• worldclock — already spreads its cities down the panel (space_around, expanded); flag only, verified by rendering.
• binaryclock — six columns of bits across the panel width, which a square panel shares, so every bar and the box it sits in get 2× the height.
• cisaticker — an 8px masthead over 7px alert rows with 1px rules. ROWS = (canvas.height() - 8) // 8: 3 on 64×32, 7 on 64×64.
• germanpartypolls — a 16px pie beside a scrolling list. On square: a 24px pie with the poll date on top, and the full list underneath, where six parties fit without scrolling.
• citibikebymk — a ~30-row block, centred instead of hung from the top edge.
• usdebtclock — crops a 68×50 flag to 64×32; a square panel has the rows for all 50, so it's centred and the five lines of figures are centred over it. Its square preview is a still (the animated one was 478 KB).
• solartimeclock — box sized to the panel; the column expands on square so space_evenly spreads the title and times.

usdebtclock and the render deadline

This one animates 1,500 frames, and on the bench's Raspberry Pi 3B that already costs 18–30 s of the server's 30 s at 64×32, untouched — it timed out on the 64×32 display during testing with the original code. A larger canvas multiplies that, so taller canvases now get a pixel-frame budget rather than a flat count: 488 frames at 64×64, 244 at 128×64, still 1,500 at 64×32. Measured after the change: 15 s on both 64×64 displays (was a 30 s timeout). Worth knowing that this app is marginal on Pi-class servers in animated mode regardless; the still mode is instant.

Verification

• solartimeclock is byte-identical at 64×32. binaryclock renders thirty seconds from "now" so can't be byte-compared; it and the live-data apps were checked by eye at 64×32. The classic code path is untouched in each — the square branch is additive.
• All seven pass pixlet check; shape tested with h == w via is_square(), never h == 64; none claim supports2x.

🤖 Generated with Claude Code