fix: 结构化渲染审查总结，替换原始JSON显示

- 后端发送结构化数据（score/overall/findings/recommendations）而非格式化文本
- 增加灵活JSON解析，兼容LLM返回recommendations为数组的情况
- 前端渲染带样式的审查总结：评分徽章（颜色分级）、分区展示
- 两个页面统一处理：repo页面的内联审查和review页面的完整审查

templates/pages/repo.html

@@ -427,6 +427,34 @@
             }
         }
 
+        // ── Utilities ────────────────────────────────────────────────
+        function escapeHtml(text) {
+            if (!text) return '';
+            return String(text)
+                .replace(/&/g, '&')
+                .replace(/</g, '&lt;')
+                .replace(/>/g, '&gt;')
+                .replace(/"/g, '&quot;');
+        }
+
+        function renderSummaryHtml(data) {
+            let html = '<div class="space-y-3">';
+            const score = data.score || 0;
+            const scoreColor = score >= 7 ? 'bg-green-100 text-green-800' : score >= 4 ? 'bg-yellow-100 text-yellow-800' : 'bg-red-100 text-red-800';
+            html += `<div class="flex items-center gap-2"><span class="text-sm font-medium text-gray-600">整体评分</span><span class="px-2 py-0.5 rounded-full text-xs font-semibold ${scoreColor}">${score}/10</span></div>`;
+            if (data.overall) {
+                html += `<div><span class="text-sm font-medium text-gray-600">总体评价</span><p class="mt-1 text-sm text-gray-800">${escapeHtml(data.overall)}</p></div>`;
+            }
+            if (data.findings) {
+                html += `<div><span class="text-sm font-medium text-gray-600">主要发现</span><p class="mt-1 text-sm text-gray-800">${escapeHtml(data.findings)}</p></div>`;
+            }
+            if (data.recommendations) {
+                html += `<div><span class="text-sm font-medium text-gray-600">改进建议</span><p class="mt-1 text-sm text-gray-800">${escapeHtml(data.recommendations)}</p></div>`;
+            }
+            html += '</div>';
+            return html;
+        }
+
         // ── Inline AI Review ────────────────────────────────────────
 
         let inlineReviewSSE = null;
@@ -476,7 +504,12 @@
                     inlineSuggestions.push(data);
                 },
                 summary(data) {
-                    document.getElementById('review-summary-content').innerHTML = renderInlineMarkdown(data.content || '');
+                    const el = document.getElementById('review-summary-content');
+                    if (data.score !== undefined) {
+                        el.innerHTML = renderSummaryHtml(data);
+                    } else {
+                        el.innerHTML = renderInlineMarkdown(data.content || '');
+                    }
                     document.getElementById('review-progress-bar').style.width = '90%';
                 },
                 done() {