feat: 结果面板展示当前题的评分标准和参考答案

src/components/ResultDrawer.vue

@@ -20,6 +20,15 @@
           满分：{{ currentQuestion.maxScore }}
         </div>
 
+        <div class="result-section" v-if="currentQuestion.rubric">
+          <div class="section-title">当前评分标准</div>
+          <div class="rubric-text">{{ currentQuestion.rubric }}</div>
+        </div>
+        <div class="result-section" v-if="currentQuestion.referenceAnswer">
+          <div class="section-title">参考答案</div>
+          <div class="reference-text">{{ currentQuestion.referenceAnswer }}</div>
+        </div>
+
         <div class="result-score">
           <div class="score-value">{{ gradingStore.currentResult.score }}</div>
           <div class="score-label">建议分数</div>
@@ -306,6 +315,24 @@ async function confirmScore() {
   padding: 10px;
   border-radius: 6px;
 }
+.rubric-text {
+  font-size: 13px;
+  color: #333;
+  line-height: 1.6;
+  background: #fff7e6;
+  padding: 10px;
+  border-radius: 6px;
+  white-space: pre-wrap;
+}
+.reference-text {
+  font-size: 13px;
+  color: #666;
+  line-height: 1.6;
+  background: #f0f9eb;
+  padding: 10px;
+  border-radius: 6px;
+  white-space: pre-wrap;
+}
 .teacher-score-input {
   margin-top: 4px;
 }