* Add reviewed existing-only updates for disabled WEC subscriptions
* Pin loaded updater and flush locked recovery artifacts; reference PR 426
* Compare formatted WEC queries semantically before pinning raw native state
* Read native WEC subscription XML with bounded explicit Unicode pipes
* Use explicit Unicode reads for reviewed update and native cleanup
* Keep timestamp strings exact in inherited native evidence fixtures
* Reject XML-invalid descriptions before any native save
* Decode native WEC XML BOMs without unsupported Unicode switch
* Describe native XML byte decoding accurately
* Reference System.Xml explicitly when compiling under Windows PowerShell
