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/runtime.py

@@ -454,14 +454,14 @@ def _web_handler(site, download_func):
     焦点；交互模式置顶便于调试。顺心是 page 列表，置顶标志透传给 shunxin_download。
     """
 
-    def handler(ctx):
+    def handler(ctx, force=False):
         pg = ctx.pages_map[site]
         if isinstance(pg, list):
             # 顺心双账号：置顶与否交给 shunxin_download 在逐账号循环里按 foreground 决定
-            return download_func(pg, foreground=ctx.foreground)
+            return download_func(pg, foreground=ctx.foreground, force=force)
         if ctx.foreground:
             pg.bring_to_front()
-        return download_func(pg)
+        return download_func(pg, force=force)
 
     return handler
 
@@ -470,11 +470,13 @@ def _site_undelivered_handler(site):
     """4 站未到：下应到+实到 → 比对写 downloads/<站>-未到数据.xlsx。
     任一下载失败 → 清掉旧未到文件、返回 False（前端不展示陈旧未到）。"""
 
-    def handler(ctx):
+    def handler(ctx, force=False):
         # 各站下载入口约定返回 True/False；顺心历史返回 None（视为成功，与 dispatch 一致）
-        exp_ok = TASK_HANDLERS[(site, "expected")](ctx) is not False
+        exp_ok = TASK_HANDLERS[(site, "expected")](ctx, force) is not False
         act_ok = (
-            (TASK_HANDLERS[(site, "actual")](ctx) is not False) if exp_ok else False
+            (TASK_HANDLERS[(site, "actual")](ctx, force) is not False)
+            if exp_ok
+            else False
         )
         if exp_ok and act_ok:
             return compare.write_site_file(site)
@@ -502,10 +504,14 @@ TASK_HANDLERS = {
     ("韵达", "expected"): _web_handler("韵达", yunda.yunda_expected_download),
     ("韵达", "actual"): _web_handler("韵达", yunda.yunda_actual_download),
     ("韵达", "undelivered"): _site_undelivered_handler("韵达"),
-    ("安能", "expected"): lambda ctx: anneng.anneng_expected_download(),
-    ("安能", "actual"): lambda ctx: anneng.anneng_actual_download(),
+    ("安能", "expected"): lambda ctx, force=False: anneng.anneng_expected_download(
+        force=force
+    ),
+    ("安能", "actual"): lambda ctx, force=False: anneng.anneng_actual_download(
+        force=force
+    ),
     ("安能", "undelivered"): _site_undelivered_handler("安能"),
-    ("__compare__", "compare"): lambda ctx: (compare.main() or True),
+    ("__compare__", "compare"): lambda ctx, force=False: (compare.main() or True),
 }
 
 
@@ -594,7 +600,7 @@ def dispatch_task(ctx, task_spec):
     if handler is None:
         return (state_store.TASK_FAILED, f"未知任务: {site}/{kind}")
     try:
-        ret = handler(ctx)
+        ret = handler(ctx, bool(task_spec.get("force", False)))
         if ret is False:
             return (state_store.TASK_FAILED, "任务执行失败（重试耗尽）")
         _record_business_date(site, kind)