chore: release server-v1.0.81

修复入库单/出库单按商品名搜不到历史导入单：搜索酒名条件由 COALESCE(被占位名劫持) 改为 p.name OR it.product_name 任一命中，并加回归测试。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YZ4DskSRKsSiheQonFtQvx

backend/internal/handler/stock_out.go

@@ -46,16 +46,18 @@ func (h *StockOutHandler) List(c *gin.Context) {
 	if kw := strings.TrimSpace(c.Query("keyword")); kw != "" {
 		like := "%" + kw + "%"
 		// keyword 同时命中：单号 / 往来单位 / 酒名（含全拼+首字母，反查含该酒明细的单据）。
-		// 酒名优先取 product 主数据、回退快照列；拼音只在 products 上（快照无拼音列）。
+		// 酒名「product 主数据名 OR 明细快照名」任一命中——不能用 COALESCE 二选一：历史导入单的
+		// 明细 product_id 统一指向占位商品「历史导入占位」（p.name 非空），COALESCE 会被占位名劫持，
+		// 永远取不到真实快照 product_name，导致导入单按真实酒名搜不到。拼音只在 products 上（快照无拼音列）。
 		query = query.Where(
 			"order_no LIKE ?"+
 				" OR partner_id IN (SELECT id FROM partners WHERE shop_id = ? AND name LIKE ?)"+
 				" OR id IN (SELECT it.order_id FROM stock_out_items it"+
 				"   LEFT JOIN products p ON p.id = it.product_id AND p.shop_id = it.shop_id"+
 				"   WHERE it.shop_id = ? AND it.deleted_at IS NULL"+
-				"     AND (COALESCE(NULLIF(p.name,''), it.product_name) LIKE ?"+
+				"     AND (p.name LIKE ? OR it.product_name LIKE ?"+
 				"          OR p.name_pinyin LIKE ? OR p.name_initials LIKE ?))",
-			like, shopID, like, shopID, like, like, like,
+			like, shopID, like, shopID, like, like, like, like,
 		)
 	}
 	// 按商品编码反查单据：精确匹配，走 idx_so_items_shop_code(shop_id, product_code) 索引