fix: panic on flatpak installations

script/bundle-snap

@@ -35,3 +35,7 @@ SNAP_NAME="coop_${1}_${ARCH_SUFFIX}.snap"
 snapcraft --destructive-mode --output "$SNAP_NAME"
 
 echo "Created snap package: $SNAP_NAME"
+echo ""
+echo "This snap is unsigned (built without Snap Store credentials)."
+echo "To install it locally, use:"
+echo "  sudo snap install --dangerous ./$SNAP_NAME"

script/try-snap

@@ -15,11 +15,26 @@ if [ "$#" -ne 1 ]; then
   exit 1
 fi
 
+# Get system architecture (same mapping as script/bundle-snap)
+ARCH=$(uname -m)
+case "$ARCH" in
+  x86_64) ARCH_SUFFIX="x86_64" ;;
+  aarch64) ARCH_SUFFIX="aarch64" ;;
+  *) echo "Unsupported architecture: $ARCH"; exit 1 ;;
+esac
+
+snap_file="coop_${1}_${ARCH_SUFFIX}.snap"
+if [ ! -f "$snap_file" ]; then
+  echo "Snap file not found: $snap_file"
+  echo "Build it first with: script/bundle-snap $1"
+  exit 1
+fi
+
 # Rerun as root
 [ "$UID" -eq 0 ] || exec sudo bash -e "$0" "$@"
 
 snap remove coop || true
 mkdir -p snap
 rm -rf snap/unpacked
-unsquashfs -dest snap/unpacked "coop_$1_amd64.snap"
+unsquashfs -dest snap/unpacked "$snap_file"
 snap try --classic snap/unpacked