fix: uncomment ALTER TABLE for article audit fields in schema.sql

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

@@ -1098,12 +1098,12 @@ CREATE TABLE IF NOT EXISTS articles (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='文章表';
 
 -- Article audit fields (for user-generated content)
--- ALTER TABLE articles
---     ADD COLUMN author_type VARCHAR(20) DEFAULT 'admin' COMMENT '作者类型：admin/parent/child' AFTER created_by,
---     ADD COLUMN audit_status VARCHAR(20) DEFAULT 'approved' COMMENT '审核状态：approved/pending/rejected' AFTER status,
---     ADD COLUMN audit_reason TEXT COMMENT '驳回原因' AFTER audit_status,
---     ADD COLUMN auditor_id BIGINT DEFAULT 0 COMMENT '审核人 ID' AFTER audit_reason,
---     ADD COLUMN audited_at DATETIME COMMENT '审核时间' AFTER auditor_id;
+ALTER TABLE articles
+    ADD COLUMN author_type VARCHAR(20) DEFAULT 'admin' COMMENT '作者类型：admin/parent/child' AFTER created_by,
+    ADD COLUMN audit_status VARCHAR(20) DEFAULT 'approved' COMMENT '审核状态：approved/pending/rejected' AFTER status,
+    ADD COLUMN audit_reason TEXT COMMENT '驳回原因' AFTER audit_status,
+    ADD COLUMN auditor_id BIGINT DEFAULT 0 COMMENT '审核人 ID' AFTER audit_reason,
+    ADD COLUMN audited_at DATETIME COMMENT '审核时间' AFTER auditor_id;
 
 -- =============================================
 -- 五维能量系统表