Merge nucleic/mellow-umber-tapir-3e0n into main

Mirrored from corpo 0d273c8.

scripts/render-og.mjs

@@ -45,10 +45,11 @@ const problems = await page.evaluate(() => {
   const height = 630;
 
   // The statement hangs its box outside the padding by a deliberate optical inset,
-  // so the R's printed edge — not its box — lands on the padding. That slack is a
+  // so the S's printed edge — not its box — lands on the padding. That slack is a
   // CONSTANT on purpose: reading it back off the element under test would let any
-  // margin-left, however wrong, widen the very bound meant to catch it.
-  const opticalSlack = 12;
+  // margin-left, however wrong, widen the very bound meant to catch it. 0.05em at
+  // 125px is 6.25px; the 2px over that is rounding room, not licence to drift.
+  const opticalSlack = 8;
 
   const found = [];
   const label = (element) => element.className || element.tagName;