[bilal-]

Summary

• Prepare Android and iOS marketing version 1.2.1 from the merged direct-recovery fix in Recover silent mobile direct connections #11.
• Consume the single mobile patch Changeset and update the package and pending public changelogs.
• Stage Android Firebase client configuration at a relative path for the public Expo manifest.
• Export iOS candidates with matching dSYMs retained as private diagnostics.

Verification

• App Store Connect lists iOS 1.2.0 as ready for sale. Google Play production has 1.2.0 assigned.
• The Changesets plan contains one mobile bump. Frozen install, docs, version, release tooling and public-source checks passed.
• Local-build regression tests and Fastlane lane tests passed, including relative Firebase configuration and symbol-export settings.
• Signed local candidates are being rebuilt with fresh platform numbers after package metadata review.