fix: support manual FBA quote fallback

firstleg/src/main/resources/db/phase2-inbound-schema.sql

@@ -665,8 +665,8 @@ CREATE TABLE IF NOT EXISTS fl_inbound_fee (
   fee_version INT UNSIGNED NOT NULL DEFAULT 1 COMMENT '费用快照版本',
   charge_rule_id BIGINT UNSIGNED NULL COMMENT '历史客户计费规则ID；渠道价格可为空',
   charge_rule_version INT UNSIGNED NULL COMMENT '历史客户规则版本快照',
-  carrier_rate_id BIGINT UNSIGNED NOT NULL COMMENT '船司FBA价格ID',
-  carrier_rate_version INT UNSIGNED NOT NULL COMMENT '船司价格版本快照',
+  carrier_rate_id BIGINT UNSIGNED NULL COMMENT '船司FBA价格ID；人工报价为空',
+  carrier_rate_version INT UNSIGNED NULL COMMENT '船司价格版本快照；人工报价为空',
   price_book_version_id BIGINT UNSIGNED NULL COMMENT '整表价格版本ID快照',
   rule_code VARCHAR(50) NULL COMMENT '历史客户规则编码快照',
   customer_id BIGINT UNSIGNED NULL COMMENT '可选业务客户快照；平台公共渠道计费不依赖该字段',
@@ -688,7 +688,7 @@ CREATE TABLE IF NOT EXISTS fl_inbound_fee (
   destination_warehouse_id BIGINT UNSIGNED NULL COMMENT '海外仓或FBA目的仓ID快照',
   destination_name VARCHAR(128) NULL COMMENT '目的仓名称快照',
   destination_code VARCHAR(32) NULL COMMENT 'FBA仓编码快照；海外仓可为空',
-  rate_effective_from DATETIME(3) NOT NULL COMMENT '价格生效开始快照',
+  rate_effective_from DATETIME(3) NULL COMMENT '价格生效开始快照；人工报价为空',
   rate_effective_to DATETIME(3) NULL COMMENT '价格生效结束快照',
   charge_mode VARCHAR(16) NULL COMMENT '计费口径：KG或CBM',
   conversion_factor DECIMAL(18,6) NULL COMMENT '历史客户规则使用的换算系数快照',
@@ -726,6 +726,11 @@ CREATE TABLE IF NOT EXISTS fl_inbound_fee (
   CONSTRAINT fk_fee_carrier_rate FOREIGN KEY (carrier_rate_id) REFERENCES fl_carrier_fba_rate (id)
 ) ENGINE=InnoDB COMMENT='入库头程费用计算和确认快照';
 
+ALTER TABLE fl_inbound_fee
+  MODIFY COLUMN carrier_rate_id BIGINT UNSIGNED NULL COMMENT '船司FBA价格ID；人工报价为空',
+  MODIFY COLUMN carrier_rate_version INT UNSIGNED NULL COMMENT '船司价格版本快照；人工报价为空',
+  MODIFY COLUMN rate_effective_from DATETIME(3) NULL COMMENT '价格生效开始快照；人工报价为空';
+
 SET @fee_baseline_quantity_sql = IF(
   EXISTS(SELECT 1 FROM information_schema.columns WHERE table_schema=DATABASE()
     AND table_name='fl_inbound_fee' AND column_name='baseline_chargeable_quantity'),