README: what it is, reliability design, data model, backup format, build

Written for the repo's future reader (mostly me): why each reliability
mechanism exists, how to decrypt a backup off-device with age -d, the
FEST pipeline, and the keystore.properties signing convention. CLAUDE.md
now points at it for architecture detail, per its own placeholder.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Ole-Morten Duesund 2026-06-10 15:21:59 +02:00
commit 8157922efd
2 changed files with 129 additions and 1 deletions

View file

@ -91,4 +91,4 @@ All gradlew calls need `JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64` — system
- The phone (Pixel 7 Pro) has a RELEASE-signed install: `adb install` of debug builds is
rejected on signature; use release builds for the phone, emulator for debug.
<!-- Once a README exists, add: See @README.md for architecture detail. -->
See @README.md for architecture detail.