feat: 归档旧迁移文件，创建初始化数据迁移和重置脚本

migrations/archive/000029_add_one_time_commission.down.sql

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+-- 回滚迁移: 一次性佣金功能
+
+-- ========================================
+-- 1. 恢复 tb_commission_record 表结构
+-- ========================================
+
+-- 1.1 删除新字段
+ALTER TABLE tb_commission_record
+    DROP COLUMN IF EXISTS commission_source,
+    DROP COLUMN IF EXISTS iot_card_id,
+    DROP COLUMN IF EXISTS device_id,
+    DROP COLUMN IF EXISTS remark;
+
+-- 1.2 恢复旧字段
+ALTER TABLE tb_commission_record
+    ADD COLUMN IF NOT EXISTS agent_id BIGINT,
+    ADD COLUMN IF NOT EXISTS rule_id BIGINT,
+    ADD COLUMN IF NOT EXISTS commission_type VARCHAR(50),
+    ADD COLUMN IF NOT EXISTS unfrozen_at TIMESTAMP WITH TIME ZONE;
+
+-- 1.3 恢复索引
+CREATE INDEX IF NOT EXISTS idx_commission_record_agent_id ON tb_commission_record(agent_id);
+CREATE INDEX IF NOT EXISTS idx_commission_record_rule_id ON tb_commission_record(rule_id);
+
+-- ========================================
+-- 2. 删除 tb_shop_series_one_time_commission_tier 表
+-- ========================================
+
+DROP TABLE IF EXISTS tb_shop_series_one_time_commission_tier;
+
+-- ========================================
+-- 3. 删除 tb_shop_series_allocation 的一次性佣金字段
+-- ========================================
+
+ALTER TABLE tb_shop_series_allocation
+    DROP COLUMN IF EXISTS enable_one_time_commission,
+    DROP COLUMN IF EXISTS one_time_commission_type,
+    DROP COLUMN IF EXISTS one_time_commission_trigger,
+    DROP COLUMN IF EXISTS one_time_commission_threshold,
+    DROP COLUMN IF EXISTS one_time_commission_mode,
+    DROP COLUMN IF EXISTS one_time_commission_value;