feat: dedup expected data by handover_no before export submit

- store.get_existing_handover_nos: query PG expected_record.handover_no

- inject dedup skip before submitting export in zto/yunda/anneng/shunxin

- shunxin reads RTS handover_no from waybill-list view (method 1)

- force-redownload switch threaded via task_spec -> dispatch -> impl

- schema: add idx_expected_handover index

Co-Authored-By: Claude <noreply@anthropic.com>

inbound_verify/sites/yunda.py

@@ -169,18 +169,18 @@ def yunda_smart_menu_click(page, menu_path):
             page.wait_for_timeout(1000)
 
 
-def yunda_expected_download(page):
+def yunda_expected_download(page, force=False):
     """韵达：应到货物数据下载（内部含异常兜底重试，路由层无感）。"""
 
     return with_retry(
         "韵达",
         "应到",
-        lambda: yunda_expected_download_impl(page),
+        lambda: yunda_expected_download_impl(page, force=force),
         lambda: yunda_reset(page),
     )
 
 
-def yunda_expected_download_impl(page):
+def yunda_expected_download_impl(page, force=False):
     """韵达：应到货物数据下载（单次执行，无重试；供自动化测试探测原始结果用）。"""
     print("\n▶ 开始执行【韵达 - 应到货物数据下载】任务...")
 
@@ -283,6 +283,19 @@ def yunda_expected_download_impl(page):
         row_count = main_rows.count()
         print(f">> 当前视窗共捕获到活跃交接单记录: {row_count} 条")
 
+        # 【去重】加载本站已落库交接单号；force=True 或查询失败时 existing=空集（不去重）
+        if force:
+            existing = set()
+            print(">> [去重] 强制重下，跳过去重。")
+        else:
+            try:
+                from inbound_verify import store
+
+                existing = store.get_existing_handover_nos("韵达")
+            except Exception as _e:
+                existing = set()
+                print(f">> [去重] 加载已落库交接单号失败，本次不去重: {_e}")
+
         # 5. 逐行双击并提交导出
         for i in range(row_count):
             print(f"   ⏳ 正在处理第 {i+1}/{row_count} 个交接单模块...")
@@ -290,6 +303,11 @@ def yunda_expected_download_impl(page):
 
             raw_no = current_row.locator("td").nth(1).inner_text().strip()
 
+            # 【去重】已落库的交接单号不再提交导出任务
+            if raw_no in existing:
+                print(f"      ⏭️ 交接单号 {raw_no} 已落库，跳过提交导出。")
+                continue
+
             # 跳过已绑定的交接单
             bind_status = current_row.locator("td").nth(2).inner_text().strip()
             print(f"      -> 交接单号: {raw_no} [绑定状态: {bind_status}]")
@@ -404,7 +422,7 @@ def yunda_expected_download_impl(page):
         return False
 
 
-def yunda_actual_download(page):
+def yunda_actual_download(page, force=False):
     """韵达：实到货物数据下载（内部含异常兜底重试，路由层无感）。"""
 
     return with_retry(