Consolidate more things

bin/list-packages

@@ -4,9 +4,9 @@
 SCRIPT_DIR=$(realpath "${BASH_SOURCE[0]%/*}")
 BUILD_ROOT=$(realpath "$SCRIPT_DIR/..")
 
-ARCH=${ARCH:-x86_64}
-ARCH_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
-DB_FILE="$ARCH_DIR/omarchy.db.tar.zst"
+source "$BUILD_ROOT/helpers/paths.sh"
+
+DB_FILE="$REPO_DIR/omarchy.db.tar.zst"
 
 if [[ ! -f "$DB_FILE" ]]; then
   echo "Repository database not found"