Rename APK artifact to synchronicity-debug.apk

Build script copies gradle's app-debug.apk to synchronicity-debug.apk
at the repo root. Both scripts define the name in a variable for
consistency.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

scripts/build-apk-ci.sh

@@ -8,6 +8,9 @@ set -euo pipefail
 : "${AAPT2_PATH:?AAPT2_PATH must be set}"
 
 REPO_ROOT="$PWD"
+APK_NAME="synchronicity-debug.apk"
+APK_BUILD_OUTPUT="$REPO_ROOT/android/app/build/outputs/apk/debug/app-debug.apk"
+APK_PATH="$REPO_ROOT/$APK_NAME"
 CACHE_DIR="${STATE_DIRECTORY:-/var/lib/gitea-runner}/cache"
 mkdir -p "$CACHE_DIR"
 
@@ -39,7 +42,8 @@ echo "=== sccache stats after build ==="
 "$SCCACHE_BIN" --show-stats || true
 
 echo "=== APK size ==="
-ls -lh "$REPO_ROOT/android/app/build/outputs/apk/debug/app-debug.apk"
+cp "$APK_BUILD_OUTPUT" "$APK_PATH"
+ls -lh "$APK_PATH"
 
 echo "=== cleaning old cargo artifacts ==="
 "$CARGO_SWEEP_BIN" sweep --maxsize 2GB "$REPO_ROOT/rust" || true

scripts/create-release-ci.sh

@@ -11,7 +11,8 @@ set -euo pipefail
 : "${GITEA_TOKEN:?GITEA_TOKEN must be set}"
 
 REPO_ROOT="$PWD"
-APK_PATH="$REPO_ROOT/android/app/build/outputs/apk/debug/app-debug.apk"
+APK_NAME="synchronicity-debug.apk"
+APK_PATH="$REPO_ROOT/$APK_NAME"
 SHORT_SHA="${GITEA_SHA:0:7}"
 TAG="build-${SHORT_SHA}"