Quantara 1.2.1-beta.4

fix bot

Product: Quantara
Build: 2113
Commit: 9d1cec9
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.