include glyph sdk to release build

.gitea/workflows/android-release.yml

@@ -4,10 +4,10 @@
 # unit tests run — `:core`'s suite is in `tests.yml`, where no SDK is needed
 # because `settings.gradle.kts` leaves `:app` out when there is none.
 #
-# The Glyph Matrix AAR is deliberately *not* fetched: its licence forbids
-# redistribution, and `app/build.gradle.kts` compiles the `noglyph` source set
-# without it. A CI APK therefore has an inert rear display, which is also exactly
-# right for any phone that is not a Nothing.
+# The Glyph Matrix AAR is not committed (its licence forbids redistribution), so
+# the job runs `android/fetch-glyph-sdk.sh` to download it from Nothing before
+# Gradle configures the app. That means the APK this produces really has the
+# rear-display implementation compiled in, rather than the no-op fallback.
 name: android
 
 on:
@@ -32,6 +32,13 @@ jobs:
           apt-get install -y --no-install-recommends \
             openjdk-21-jdk-headless curl unzip >/dev/null
 
+      # The AAR is git-ignored but required for a Glyph-enabled build. The
+      # script exits non-zero if the download is not a real archive, so a vendor
+      # URL that moves fails the job instead of quietly producing a no-op APK.
+      - name: Fetch the Glyph Matrix SDK
+        working-directory: android
+        run: ./fetch-glyph-sdk.sh
+
       # Keyed on the pinned SDK versions, so this is a download once and a
       # restore every time after.
       - uses: actions/cache@v4