fix: temporarily disable pipefail to prevent process substitution failures during cleanup operations

lib/optimize/maintenance.sh

@@ -11,6 +11,13 @@ fix_broken_preferences() {
 
     local broken_count=0
 
+    # Temporarily disable pipefail to prevent process substitution failures from interrupting
+    local pipefail_was_set=false
+    if [[ -o pipefail ]]; then
+        pipefail_was_set=true
+        set +o pipefail
+    fi
+
     while IFS= read -r plist_file; do
         [[ -f "$plist_file" ]] || continue
 
@@ -49,5 +56,10 @@ fix_broken_preferences() {
         done < <(command find "$byhost_dir" -name "*.plist" -type f 2> /dev/null || true)
     fi
 
+    # Restore pipefail if it was previously set
+    if [[ "$pipefail_was_set" == "true" ]]; then
+        set -o pipefail
+    fi
+
     echo "$broken_count"
 }