diff --git a/lib/core/base.sh b/lib/core/base.sh
index 890e63a..d0efe1a 100644
--- a/lib/core/base.sh
+++ b/lib/core/base.sh
@@ -43,6 +43,27 @@ readonly ICON_NAV_UP="↑"
 readonly ICON_NAV_DOWN="↓"
 readonly ICON_INFO="ℹ"
 
+# ============================================================================
+# LaunchServices Utility
+# ============================================================================
+
+# Locate the lsregister binary (path varies across macOS versions).
+get_lsregister_path() {
+    local -a candidates=(
+        "/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister"
+        "/System/Library/CoreServices/Frameworks/LaunchServices.framework/Support/lsregister"
+    )
+    local candidate=""
+    for candidate in "${candidates[@]}"; do
+        if [[ -x "$candidate" ]]; then
+            echo "$candidate"
+            return 0
+        fi
+    done
+    echo ""
+    return 0
+}
+
 # ============================================================================
 # Global Configuration Constants
 # ============================================================================