fix: CommissionService 编译错误 - 补充 familyId 字段和 L2 调用参数

cfc-backend/src/main/resources/schema.sql

@@ -1262,10 +1262,12 @@ CREATE TABLE IF NOT EXISTS commission_records (
     status VARCHAR(16) NOT NULL DEFAULT 'settled' COMMENT '状态: pending/settled',
     remark TEXT DEFAULT NULL COMMENT '备注',
     created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    family_id BIGINT DEFAULT NULL COMMENT '归属家庭ID',
     settled_at DATETIME DEFAULT NULL COMMENT '结算时间',
     withdrawn_at DATETIME DEFAULT NULL COMMENT '提现时间',
     INDEX idx_referrer (referrer_id),
     INDEX idx_buyer (buyer_id),
+    INDEX idx_family (family_id),
     INDEX idx_order (order_id, order_type)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='佣金记录表';