Merge remote-tracking branch 'origin/test' into dev

# Conflicts:
#	deploy/sql/海外区域统一增量-MySQL8.sql

scripts/db/incremental.sql

@@ -3870,8 +3870,27 @@ PREPARE ll_inbound_lx_code_stmt FROM @ddl; EXECUTE ll_inbound_lx_code_stmt; DEAL
 
 -- ============================================================================
 -- 2026-09-02 / 031
--- 海外业务费用来源与写操作幂等审计；入仓码为可选业务引用。
+-- 海外异常退回冻结/幂等与业务费用来源；入仓码为可选业务引用。
 -- ============================================================================
+CREATE TABLE IF NOT EXISTS ll_exception_return_item (
+  id BIGINT NOT NULL COMMENT '异常退回明细ID', customer_id VARCHAR(128) NOT NULL COMMENT '客户数据隔离键',
+  exception_order_id BIGINT NOT NULL COMMENT '异常订单ID', outbound_pallet_item_id BIGINT NOT NULL COMMENT '原出库托盘明细ID',
+  inventory_position_id BIGINT NOT NULL COMMENT '原出库库存位置ID', pallet_no VARCHAR(128) NULL COMMENT '原出库托盘码快照',
+  sku_code VARCHAR(128) NULL COMMENT '原出库SKU快照', max_return_packages BIGINT NOT NULL COMMENT '原出库可退箱数上限',
+  approved_return_packages BIGINT NOT NULL COMMENT '批准退回箱数', created_at DATETIME(3) NOT NULL COMMENT '创建时间',
+  PRIMARY KEY(id), UNIQUE KEY uk_ll_exception_return_source(customer_id,exception_order_id,outbound_pallet_item_id,inventory_position_id),
+  KEY idx_ll_exception_return_order(customer_id,exception_order_id)
+) ENGINE=InnoDB COMMENT='异常退回原出库库存冻结明细';
+
+CREATE TABLE IF NOT EXISTS ll_exception_order_command (
+  id BIGINT NOT NULL COMMENT '异常处理命令ID', customer_id VARCHAR(128) NOT NULL COMMENT '客户数据隔离键',
+  exception_order_id BIGINT NOT NULL COMMENT '异常订单ID', action VARCHAR(32) NOT NULL COMMENT '异常处理动作',
+  idempotency_key VARCHAR(255) NOT NULL COMMENT '幂等键', request_hash VARCHAR(64) NOT NULL COMMENT '请求内容SHA256哈希',
+  result_json JSON NOT NULL COMMENT '命令结果快照', created_at DATETIME(3) NOT NULL COMMENT '创建时间',
+  PRIMARY KEY(id), UNIQUE KEY uk_ll_exception_command_key(customer_id,action,idempotency_key),
+  KEY idx_ll_exception_command_order(customer_id,exception_order_id,created_at)
+) ENGINE=InnoDB COMMENT='异常处理命令幂等审计';
+
 CREATE TABLE IF NOT EXISTS ll_finance_fee_source (
   id BIGINT NOT NULL COMMENT '费用版本记录ID', source_fee_id BIGINT NOT NULL COMMENT '跨版本稳定费用来源ID',
   source_version INT NOT NULL COMMENT '费用来源版本，从1递增', customer_id VARCHAR(128) NOT NULL COMMENT '客户ID和隔离键',