feat(firstleg): close phase3 outbound customs and schedule gates

firstleg/src/main/resources/db/phase3-loading-delivery-schema.sql

@@ -1,13 +1,13 @@
 SET NAMES utf8mb4;
 USE baiyue_firstleg;
 
-/* 装柜证据和派送完成；不设置证据完整度门禁，允许后续覆盖编辑。 */
+/* 装柜证据、PDA 拣货复核和派送完成。业务服务强制五类真实文件证据齐全后才能完成装柜。 */
 CREATE TABLE IF NOT EXISTS fl_loading_evidence (
   id BIGINT UNSIGNED NOT NULL,
   tenant_id BIGINT UNSIGNED NOT NULL,
   inbound_id BIGINT UNSIGNED NOT NULL,
   evidence_type VARCHAR(32) NOT NULL COMMENT 'PHOTO_STEP_1..4/SEAL',
-  file_id BIGINT UNSIGNED NULL COMMENT 'File 服务逻辑文件ID',
+  file_id BIGINT UNSIGNED NOT NULL COMMENT 'File 服务逻辑文件ID',
   file_name VARCHAR(255) NULL,
   seal_no VARCHAR(64) NULL,
   remark VARCHAR(1000) NULL,
@@ -20,6 +20,7 @@ CREATE TABLE IF NOT EXISTS fl_loading_evidence (
   updated_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
   PRIMARY KEY (id),
   UNIQUE KEY uk_loading_evidence_type (tenant_id, inbound_id, evidence_type),
+  UNIQUE KEY uk_loading_evidence_seal (tenant_id, seal_no),
   KEY idx_loading_evidence_time (tenant_id, inbound_id, updated_at),
   CONSTRAINT fk_loading_evidence_inbound FOREIGN KEY (inbound_id) REFERENCES fl_inbound_order (id)
 ) ENGINE=InnoDB COMMENT='订单装柜四步照片和铅封证据';