fix: harden online validation flows

backend/app/services/fission_pipeline.py

@@ -130,7 +130,7 @@ def execute_fission_pipeline(db: Session, clients, fission_id: int, source_task_
     from app.models.fission import FissionTask, FissionNote
     from app.models.task import GenerationTask
     from app.models.product import Product
-    from app.workers.pipeline_steps import build_product_dict
+    from app.workers.pipeline_steps import build_product_dict, load_benchmark_features
     from app.services.ai_engine.fission_prompt import build_fission_prompt
 
     ft = db.query(FissionTask).filter(FissionTask.id == fission_id).first()
@@ -150,6 +150,7 @@ def execute_fission_pipeline(db: Session, clients, fission_id: int, source_task_
         return {"fission_id": fission_id, "status": "failed", "reason": "源任务或产品缺失"}
 
     product = build_product_dict(product_row)
+    product["benchmark_refs"] = load_benchmark_features(db, src, ft.workspace_id)
     image_count = max(1, src.image_count or 3)
     banned = []  # 违禁词分级表后续接入；评分器内置 BANNED_WORDS_DEFAULT 已兜底