Improve service stopping logic in stop_all_services

Refactored stop_all_services to handle empty service lists and avoid pipeline failures. Now checks for found services before attempting to stop and disable them, improving robustness and error handling.

misc/tools.func

@@ -72,15 +72,23 @@ stop_all_services() {
   local service_patterns=("$@")
 
   for pattern in "${service_patterns[@]}"; do
-    # Find all matching services
+    # Find all matching services (use || true to avoid pipeline failures)
-    systemctl list-units --type=service --all 2>/dev/null |
+    local services
-      grep -oE "${pattern}[^ ]*\.service" |
+    services=$(systemctl list-units --type=service --all 2>/dev/null |
-      sort -u |
+      grep -oE "${pattern}[^ ]*\.service" 2>/dev/null |
-      while read -r service; do
+      sort -u 2>/dev/null || true)
+
+    # Only process if we found any services
+    if [[ -n "$services" ]]; then
+      while IFS= read -r service; do
+        [[ -z "$service" ]] && continue
         $STD systemctl stop "$service" 2>/dev/null || true
         $STD systemctl disable "$service" 2>/dev/null || true
+      done <<<"$services"
+    fi
   done
-  done
+
+  return 0
 }
 
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