Quantara 1.2.1-beta.3

Android test release after Supervisor UI fix

Product: Quantara
Build: 2111
Commit: a051798
Android upgrade-compatible: yes, only over the same canonical package/signing lineage.
Minimum supported version: 1.2.0-rc.3.
Staged rollout eligibility: 100%.
Emergency revocation recovery is forward-only through this signed/checksummed release.
Platforms: signed Android APK/AAB, PWA archive.