style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/components/__tests__/motion-reduce-spin-coverage.test.ts

@@ -50,8 +50,7 @@ describe("motion-reduce coverage — every animate-spin pairs with motion-reduce
       lines.forEach((line, idx) => {
         if (!line.includes("animate-spin")) return;
         // Skip comments and string literals that aren't classNames.
-        if (line.trim().startsWith("//") || line.trim().startsWith("*"))
-          return;
+        if (line.trim().startsWith("//") || line.trim().startsWith("*")) return;
         if (!line.includes("motion-reduce:animate-none")) {
           violations.push(`${file}:${idx + 1}: ${line.trim()}`);
         }