完善订单交接结账流程留痕

backend/migrations/000058_process_events_and_order_source.sql

@@ -0,0 +1,37 @@
+-- +goose Up
+
+CREATE TABLE process_events (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
+  business_type VARCHAR(32) NOT NULL,
+  business_id BIGINT UNSIGNED NOT NULL,
+  stage VARCHAR(32) NOT NULL DEFAULT '',
+  action VARCHAR(64) NOT NULL,
+  actor_type VARCHAR(16) NOT NULL,
+  actor_id BIGINT UNSIGNED NOT NULL DEFAULT 0,
+  actor_name VARCHAR(128) NOT NULL DEFAULT '',
+  target_type VARCHAR(16) NOT NULL DEFAULT '',
+  target_id BIGINT UNSIGNED NULL,
+  target_name VARCHAR(128) NOT NULL DEFAULT '',
+  content TEXT NOT NULL,
+  reason TEXT NOT NULL,
+  payload JSON NOT NULL,
+  attachment_urls JSON NOT NULL,
+  state_before JSON NOT NULL,
+  state_after JSON NOT NULL,
+  created_at DATETIME NOT NULL,
+  PRIMARY KEY (id),
+  KEY idx_process_event_business (business_type, business_id, id),
+  KEY idx_process_event_created_at (created_at)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='订单与提号不可变过程留痕';
+
+ALTER TABLE rental_orders
+  ADD COLUMN account_source VARCHAR(32) NOT NULL DEFAULT 'internal' COMMENT '订单创建时账号来源快照' AFTER account_snapshot,
+  ADD COLUMN source_channel VARCHAR(32) NOT NULL DEFAULT '' COMMENT '订单创建时外部来源渠道快照' AFTER account_source;
+
+-- +goose Down
+
+ALTER TABLE rental_orders
+  DROP COLUMN source_channel,
+  DROP COLUMN account_source;
+
+DROP TABLE IF EXISTS process_events;