feat(dashboard): Recent denials row drillable to /claims?claim=ID

src/pages/Dashboard.tsx

@@ -350,7 +350,14 @@ export function Dashboard() {
                 {topDenials.map((c) => (
                   <li
                     key={c.id}
-                    className="flex items-start gap-3 py-3 first:pt-0 last:pb-0"
+                    onClick={() => navigate(`/claims?claim=${encodeURIComponent(c.id)}`)}
+                    onKeyDown={(e) => {
+                      if (e.key === "Enter") navigate(`/claims?claim=${encodeURIComponent(c.id)}`);
+                    }}
+                    role="button"
+                    tabIndex={0}
+                    aria-label={`View claim ${c.id}`}
+                    className="drillable flex items-start gap-3 py-3 first:pt-0 last:pb-0"
                   >
                     <div className="display mono text-[12.5px] text-muted-foreground pt-0.5 w-24 shrink-0">
                       {c.id}