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

services/review.go

@@ -287,9 +287,9 @@ func GenerateReview(db *sql.DB, repoPath, base, head string, topN, concurrency i
   "score": 7,
   "overall": "总体评价（2-3 句话）",
   "findings": "按严重程度排序的主要发现汇总",
-  "recommendations": "改进建议优先级列表"
+  "recommendations": "改进建议，用换行分隔多条建议"
 }
-请用中文回复。`, strings.Join(reviewParts, "\n\n"))
+注意：所有字段必须是字符串类型，不要使用数组。请用中文回复。`, strings.Join(reviewParts, "\n\n"))
 
 		messages := []goopenai.ChatCompletionMessage{
 			{Role: goopenai.ChatMessageRoleUser, Content: summaryPrompt},
@@ -299,20 +299,52 @@ func GenerateReview(db *sql.DB, repoPath, base, head string, topN, concurrency i
 		if err == nil {
 			jsonStr := extractJSON(summaryResponse)
 			if json.Unmarshal([]byte(jsonStr), &summary) == nil {
-				summaryText := fmt.Sprintf("整体评分: %d/10\n\n%s", summary.Score, summary.Overall)
-				if summary.Findings != "" {
-					summaryText += "\n\n**主要发现:**\n" + summary.Findings
-				}
-				if summary.Recommendations != "" {
-					summaryText += "\n\n**改进建议:**\n" + summary.Recommendations
-				}
 				if callback != nil {
-					callback("summary", map[string]interface{}{"content": summaryText})
+					callback("summary", map[string]interface{}{
+						"score":          summary.Score,
+						"overall":        summary.Overall,
+						"findings":       summary.Findings,
+						"recommendations": summary.Recommendations,
+					})
 				}
 			} else {
-				// If parsing fails, send raw response as summary
-				if callback != nil {
-					callback("summary", map[string]interface{}{"content": summaryResponse})
+				// Try flexible parsing (handle recommendations as array)
+				var raw map[string]json.RawMessage
+				if json.Unmarshal([]byte(jsonStr), &raw) == nil {
+					var flexible struct {
+						Score   int    `json:"score"`
+						Overall string `json:"overall"`
+						Findings string `json:"findings"`
+					}
+					json.Unmarshal(raw["score"], &flexible.Score)
+					json.Unmarshal(raw["overall"], &flexible.Overall)
+					json.Unmarshal(raw["findings"], &flexible.Findings)
+
+					recommendations := ""
+					if rec, ok := raw["recommendations"]; ok {
+						var arr []string
+						if json.Unmarshal(rec, &arr) == nil {
+							recommendations = strings.Join(arr, "\n")
+						} else {
+							var s string
+							json.Unmarshal(rec, &s)
+							recommendations = s
+						}
+					}
+
+					if callback != nil {
+						callback("summary", map[string]interface{}{
+							"score":          flexible.Score,
+							"overall":        flexible.Overall,
+							"findings":       flexible.Findings,
+							"recommendations": recommendations,
+						})
+					}
+				} else {
+					// If all parsing fails, send raw response as summary
+					if callback != nil {
+						callback("summary", map[string]interface{}{"content": summaryResponse})
+					}
 				}
 			}
 		} else {