fix(web): token linter ignores comments

web/scripts/check-tokens.mjs

@@ -99,7 +99,13 @@ function checkCss(source, rel) {
 }
 
 function checkPlain(source, rel) {
-  source.split("\n").forEach((rawLine, index) => {
+  // Comments are prose, not styling — `checkCss` already ignores them, and
+  // without the same treatment here an issue reference like `#140` reads as a
+  // three-digit hex colour and fails the gate.
+  const stripped = source
+    .replace(/\/\*[\s\S]*?\*\//g, (comment) => comment.replace(/[^\n]/g, " "))
+    .replace(/\/\/.*$/gm, "");
+  stripped.split("\n").forEach((rawLine, index) => {
     const neutral = rawLine.replace(RELATIVE_FROM_TOKEN, "from-token(");
     if (COLOR_LITERAL.test(neutral)) {
       errors.push(`${rel}:${index + 1}: literal colour outside the token block`);