fix: resolve TS type mismatch for parsed_summary array and add percentage sign to match list UI

frontend/src/app/jds/[id]/candidates/[cid]/page.tsx

@@ -320,7 +320,7 @@ export default function CandidateDetailPage() {
             <div className="bg-[var(--color-card)] border border-[var(--color-border)] rounded-2xl p-6">
               <div className="font-semibold mb-3 flex items-center gap-2"><TrendingUp className="w-4 h-4 text-purple-400" /> Profile Summary</div>
               {(() => {
-                let parsed = cand.parsed_summary;
+                let parsed: string | string[] = cand.parsed_summary || "";
                 try {
                   // Sometimes PostgreSQL arrays are formatted as {"A", "B"} and stored as string
                   let rawStr = cand.parsed_summary.trim();