Füge Debug-Option hinzu, um das Laden von Anzeigen zu erzwingen, und verbessere das Fehlerhandling beim Laden des Propeller-Skripts

client/src/components/HeaderAdBanner.vue

@@ -31,6 +31,9 @@ const isEnabled = computed(() => {
 // Small sticky header option (thin sticky header)
 const sticky = (import.meta.env.VITE_HEADER_STICKY || 'true') === 'true';
 
+// Debug bypass: allow forcing ad load with ?ads_debug=1
+const debugForceLoad = typeof window !== 'undefined' && new URLSearchParams(window.location.search).get('ads_debug') === '1';
+
 // A/B test config
 const abRatio = Number(import.meta.env.VITE_AB_RATIO || '50'); // percent for variant B
 
@@ -100,6 +103,13 @@ async function renderPropeller() {
     s.dataset.zone = propSlotId;
     s.src = propScriptUrl;
     s.async = true;
+    s.onload = () => {
+      console.log('Propeller script loaded:', propScriptUrl, 'zone:', propSlotId);
+    };
+    s.onerror = (e) => {
+      console.warn('Propeller script failed to load:', propScriptUrl, e);
+      try { window.dispatchEvent(new CustomEvent('ads:load-failed', { detail: { provider: 'propeller', zone: propSlotId, error: String(e) } })); } catch {}
+    };
 
     // Append to the document (documentElement or body) like the snippet does
     const target = [document.documentElement, document.body].filter(Boolean).pop();