修复：平均质量分为0.0

backend/app/api/v1/endpoints/agent_tasks.py

@@ -592,6 +592,7 @@ async def _execute_agent_task(task_id: str):
                 
                 # 计算安全评分
                 task.security_score = _calculate_security_score(findings)
+                task.quality_score = _calculate_security_score(findings)
                 # 🔥 注意: progress_percentage 是计算属性，不需要手动设置
                 # 当 status = COMPLETED 时会自动返回 100.0
                 

backend/app/api/v1/endpoints/projects.py

@@ -81,6 +81,7 @@ class StatsResponse(BaseModel):
     completed_tasks: int
     total_issues: int
     resolved_issues: int
+    avg_quality_score: float = 0.0
 
 @router.post("/", response_model=ProjectResponse)
 async def create_project(
@@ -201,6 +202,13 @@ async def get_stats(
         len([f for f in agent_findings if f.status == "resolved"])
     )
 
+    # 计算平均质量分（只统计已完成且有质量分的任务）
+    quality_scores = (
+        [t.quality_score for t in tasks if t.status == "completed" and t.quality_score and t.quality_score > 0] +
+        [t.quality_score for t in agent_tasks if t.status == AgentTaskStatus.COMPLETED and t.quality_score and t.quality_score > 0]
+    )
+    avg_quality_score = sum(quality_scores) / len(quality_scores) if quality_scores else 0.0
+
     return {
         "total_projects": len(projects),
         "active_projects": len([p for p in projects if p.is_active]),
@@ -208,6 +216,7 @@ async def get_stats(
         "completed_tasks": completed_tasks,
         "total_issues": total_issues,
         "resolved_issues": resolved_issues,
+        "avg_quality_score": avg_quality_score,
     }
 
 @router.get("/{id}", response_model=ProjectResponse)