客服知识整改发布门禁

1. 1. Copy and redact the authorized source data using examples/input.json as the schema.
2. Run python scripts/gate_kb_remediation.py --input examples/input.json --output examples/output.json.
3. Review the structured result and hand only approved fields to the next workflow step.

不会创建、更新或发布知识文章；所有READY结果仍须编辑完成正文并按组织流程审批上线。