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/anneng.py

@@ -855,13 +855,15 @@ def _load_query_days():
     return max(1, days)
 
 
-def anneng_expected_download():
+def anneng_expected_download(force=False):
     """安能：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("安能", "应到", anneng_expected_download_impl, anneng_reset)
+    return with_retry(
+        "安能", "应到", lambda: anneng_expected_download_impl(force=force), anneng_reset
+    )
 
 
-def anneng_expected_download_impl():
+def anneng_expected_download_impl(force=False):
     """安能：应到货物数据（运单信息）下载，完整流程（单次执行，无重试；供自动化测试用）。"""
     print("\n▶ 开始执行【安能 - 应到货物数据下载】任务 ...")
     download_dir = DOWNLOAD_DIR
@@ -880,6 +882,20 @@ def anneng_expected_download_impl():
 
     main_cdp = find_main_page_cdp()
     export_times = []
+
+    # 【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("安能")
+        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}")
+
     try:
         # 1) 确认主页就绪并导航到“进站交接单查询”
         wait_home_ready(main_cdp)
@@ -918,6 +934,10 @@ def anneng_expected_download_impl():
 
             for i, ewbs_no in enumerate(target_ids, start=1):
                 print(f"   ⏳ [{i}/{len(target_ids)}] 交接单号 {ewbs_no}")
+                # 【去重】已落库则跳过：不双击、不导出、不 append export_times
+                if ewbs_no in existing:
+                    print(f"      ⏭️ 交接单号 {ewbs_no} 已落库，跳过。")
+                    continue
                 activate_tab(tab_cdp, "交接单信息")
                 time.sleep(0.3)
                 if not dblclick_jiaojie_dan_row(tab_cdp, ewbs_no):
@@ -936,6 +956,11 @@ def anneng_expected_download_impl():
         close_tab_by_label(main_cdp, "进站交接单查询")
         time.sleep(0.8)
 
+        # 【去重兜底】全部已落库/无数据 → 无导出任务，查询 tab 已关，跳过下载段
+        if not export_times:
+            print(">> 本次无新交接单需导出（全部已落库或无数据），结束。")
+            return True
+
         # 5) 打开导出下载 tab，轮询并下载
         print(">> 打开【导出下载】tab ...")
         export_cdp = ensure_tab_open(main_cdp, "导出下载", EXPORT_TAB_URL_HINT)
@@ -1233,7 +1258,7 @@ def _save_actual(rows, download_dir):
     print("====================================================")
 
 
-def anneng_actual_download():
+def anneng_actual_download(force=False):
     """安能：实到数据下载（内部含异常兜底重试，路由层无感）。"""
 
     return with_retry("安能", "实到", anneng_actual_download_impl, anneng_reset)