feat(frontend): integrate GraphRAG scored evaluation results

- Add getUnifiedEvaluationResults API function
- Extend ReviewPointsListProps with flowType, scoredResults, scoredSummary
- Add ScoredResultCard rendering for graphrag flow_type
- Modify reviews.tsx loader to call unified API
- Add scored evaluation component imports

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/components/evaluation/ScoreBar.tsx

@@ -0,0 +1,32 @@
+import React from 'react';
+
+interface ScoreBarProps {
+  score: number;        // Actual score (e.g., 3 for 3/5)
+  fullScore: number;    // Max score (e.g., 5)
+  percentage: number;   // 0.0-1.0
+  passed: boolean;
+}
+
+export function ScoreBar({ score, fullScore, percentage, passed }: ScoreBarProps) {
+  const pct = Math.round(percentage * 100);
+
+  return (
+    <div className="score-bar" data-passed={passed}>
+      <div className="score-bar__header">
+        <span className="score-bar__percentage">{pct}%</span>
+        <span className={`score-bar__status ${passed ? 'passed' : 'failed'}`}>
+          {passed ? '✅ 通过' : '❌ 未通过'}
+        </span>
+      </div>
+      <div className="score-bar__track">
+        <div
+          className={`score-bar__fill ${passed ? 'passed' : 'failed'}`}
+          style={{ width: `${pct}%` }}
+        />
+      </div>
+      <div className="score-bar__footer">
+        得分 {score.toFixed(1)} / 满分 {fullScore.toFixed(1)}
+      </div>
+    </div>
+  );
+}