diff --git a/pipeline_bidding/bid_analysis_capability.py b/pipeline_bidding/bid_analysis_capability.py
index 0b01275..2bc002d 100644
--- a/pipeline_bidding/bid_analysis_capability.py
+++ b/pipeline_bidding/bid_analysis_capability.py
@@ -148,6 +148,13 @@ __CONTENT__
 
 async def list_tender_files(project_id, extract_status=""):
     """列出项目的招标文件。"""
+    try:
+        project_id = await resolve_project_id(project_id)
+    except ValueError as e:
+        # 2026-09-04：与 list_scoring_items 同款——静默返空会让分析角色误判
+        # 「无招标文件」而阻塞（实测中电新项目：LLM 传项目名当 id，查空 →
+        # 全维度首跑跑空）。明确报错指引补真实 project_id。
+        return "ERROR: 项目上下文缺失（%s）。请显式传 project_id 后重试。" % e
     db, dbname = get_db()
     async with db.sqlorContext(dbname) as sor:
         sql = ("SELECT id, file_name, file_type, extract_status, file_size, file_path "