fullstackandHermes CI Fix
60b6ef3bfe
GET /api/cma/alert-rules/dynamic-thresholds 在 {c.name: getattr(c, c.name) for c in
DynamicThresholdCache.__table__.columns} 里把 Column 对象当 ORM 行取属性，触发
AttributeError: 'Comparator' object has no attribute 'id'。改为列名取自表元数据、
值取自 query 结果行；entity_id 过滤与 limit 50/kpi_id 分支不变。
(cherry picked from commit 4130726be411a74a3318d9dc6bbc518a6c60d0ff)