feat: 订单列表/详情返回自动结算倒计时字段，并加小程序结算率接口

仅 eligible 结算中订单下发预计时间；支持 auto_settle_pending 筛选；新增 /dingdan/wo-de-deal-stat。

Co-authored-by: Cursor <cursoragent@cursor.com>

jituan/services/deal_stats.py

@@ -287,3 +287,48 @@ def serialize_dashou_stat(row) -> dict:
         'deal_rate': round(c / n, 6) if n else 0,
         'fined_rate': round(f / n, 6) if n else 0,
     }
+
+
+def miniapp_merchant_deal_payload(row) -> dict | None:
+    """小程序商家订单列表顶：有样本才返回；文案字段供前端标「结算率」。"""
+    if not row:
+        return None
+    n = int(row.order_count or 0)
+    if n <= 0:
+        return None
+    full = serialize_merchant_stat(row)
+    out = {
+        'role': 'merchant',
+        'order_count': full['order_count'],
+        'deal_rate': full['deal_rate'],
+        'fine_rate': full['fine_rate'],
+        'deal_rate_text': f"{round(full['deal_rate'] * 100, 1)}%",
+        'fine_rate_text': f"{round(full['fine_rate'] * 100, 1)}%",
+    }
+    sc = int(full.get('settle_duration_sample_count') or 0)
+    if sc > 0 and full.get('avg_deal_hours'):
+        h = float(full['avg_deal_hours'])
+        out['avg_deal_hours'] = h
+        if h < 1:
+            out['avg_deal_hours_text'] = f'{max(1, int(round(h * 60)))}分钟'
+        else:
+            out['avg_deal_hours_text'] = f'{round(h, 1)}小时'
+    return out
+
+
+def miniapp_dashou_deal_payload(row) -> dict | None:
+    """小程序打手订单列表顶：有样本才返回。"""
+    if not row:
+        return None
+    n = int(row.order_count or 0)
+    if n <= 0:
+        return None
+    full = serialize_dashou_stat(row)
+    return {
+        'role': 'dashou',
+        'order_count': full['order_count'],
+        'deal_rate': full['deal_rate'],
+        'fined_rate': full['fined_rate'],
+        'deal_rate_text': f"{round(full['deal_rate'] * 100, 1)}%",
+        'fined_rate_text': f"{round(full['fined_rate'] * 100, 1)}%",
+    }

jituan/services/order_deal.py

@@ -27,6 +27,41 @@ def get_or_create_deal_config(club_id: str):
     return row
 
 
+def order_auto_settle_payload(order) -> dict:
+    """
+    小程序列表/详情展示用。
+    仅 Status=8 且 AutoSettleEligible 且有 AutoExpireAt 时返回字段；否则空 dict。
+    前端有字段才展示，避免关开关/老单误报。
+    """
+    from backend.utils import fmt_datetime
+
+    if not order:
+        return {}
+    try:
+        status = int(getattr(order, 'Status', 0) or 0)
+    except (TypeError, ValueError):
+        status = 0
+    if status != 8:
+        return {}
+    if not bool(getattr(order, 'AutoSettleEligible', False)):
+        return {}
+    expire_at = getattr(order, 'AutoExpireAt', None)
+    if not expire_at:
+        return {}
+    now = timezone.now()
+    # 与项目 USE_TZ 对齐，避免剩余秒数偏差
+    if timezone.is_aware(expire_at) and timezone.is_naive(now):
+        now = timezone.make_aware(now, timezone.get_current_timezone())
+    elif timezone.is_naive(expire_at) and timezone.is_aware(now):
+        expire_at = timezone.make_aware(expire_at, timezone.get_current_timezone())
+    remain = int((expire_at - now).total_seconds())
+    return {
+        'auto_settle_eligible': True,
+        'auto_expire_at': fmt_datetime(expire_at),
+        'auto_settle_remain_seconds': max(0, remain),
+    }
+
+
 def config_to_dict(row) -> dict:
     if not row:
         return {