Fix adapter method links not clickable by using MUI Link component

Replace Typography-based cell renderer with Link + Tooltip pattern
(matching the architecture column) so PEFT doc links are clickable.

frontend/src/pages/LeaderboardPage/components/Leaderboard/utils/columnUtils.js

@@ -1040,29 +1040,25 @@ export const createColumns = (
       cell: ({ row }) => {
         const method = row.original.metadata.adapter_method || "-";
         const peftUrl = PEFT_DOCS_URLS[method.toLowerCase()];
+        if (peftUrl) {
+          return (
+            <Tooltip title={`${method} — view PEFT docs`}>
+              <Link
+                href={peftUrl}
+                target="_blank"
+                rel="noopener noreferrer"
+                underline="hover"
+                sx={{ display: "inline-flex", alignItems: "center", gap: 0.5 }}
+              >
+                {method}
+                <OpenInNewIcon sx={{ fontSize: 12, opacity: 0.5 }} />
+              </Link>
+            </Tooltip>
+          );
+        }
         return (
           <Tooltip title={method}>
-            <Typography
-              variant="body2"
-              component={peftUrl ? "a" : "span"}
-              {...(peftUrl && {
-                href: peftUrl,
-                target: "_blank",
-                rel: "noopener noreferrer",
-              })}
-              sx={{
-                overflow: "hidden",
-                textOverflow: "ellipsis",
-                whiteSpace: "nowrap",
-                ...(peftUrl && {
-                  color: "primary.main",
-                  textDecoration: "none",
-                  "&:hover": { textDecoration: "underline" },
-                }),
-              }}
-            >
-              {method}
-            </Typography>
+            <span>{method}</span>
           </Tooltip>
         );
       },