fix: harden online validation flows

backend/app/services/task_service.py

@@ -87,6 +87,29 @@ def create_generation_task(
     # 第2环：关联标杆笔记ID存库（JSON list）。pipeline 据此读 features_json 注入文案 prompt。
     import json
     _bids = getattr(body, "benchmark_ids", None) or []
+    if _bids:
+        from app.models.product import BenchmarkNote
+
+        ids = [int(i) for i in _bids]
+        rows = (
+            db.query(BenchmarkNote)
+            .filter(
+                BenchmarkNote.id.in_(ids),
+                BenchmarkNote.workspace_id == current_user.workspace_id,
+                BenchmarkNote.product_id == body.product_id,
+            )
+            .all()
+        )
+        by_id = {int(b.id): b for b in rows}
+        missing = [i for i in ids if i not in by_id]
+        if missing:
+            raise_business(f"标杆笔记不存在或不属于当前产品：{missing[:3]}")
+        not_ready = [
+            i for i in ids
+            if by_id[i].analyze_status != "done" or by_id[i].analysis_source == "fallback"
+        ]
+        if not_ready:
+            raise_business("所选标杆尚未分析完成，请先到系统管理里点击「分析标杆」")
     benchmark_ids_json = json.dumps([int(i) for i in _bids]) if _bids else None
 
     task = GenerationTask(