diff --git a/public/assets/js/bridge/blocks-api.js b/public/assets/js/bridge/blocks-api.js
index 8e2585b..3f5c661 100644
--- a/public/assets/js/bridge/blocks-api.js
+++ b/public/assets/js/bridge/blocks-api.js
@@ -129,6 +129,33 @@
 		
 		log(`Starte Registrierung des Komponententyps '${REFERENCE_COMPONENT_TYPE}'.`, '#1E90FF');
 
+		const referenceRegistry = {};
+		const makeKey = (kind, id) => (kind && id) ? `${kind}::${id}` : null;
+		const registerReference = (key, model) => {
+			if (!key || !model) return;
+			if (!referenceRegistry[key]) referenceRegistry[key] = new Set();
+			referenceRegistry[key].add(model);
+		};
+		const unregisterReference = (key, model) => {
+			if (!key) return;
+			const set = referenceRegistry[key];
+			if (!set) return;
+			set.delete(model);
+			if (set.size === 0) delete referenceRegistry[key];
+		};
+		const cascadeReferenceUpdate = (kind, id, source) => {
+			const key = makeKey(kind, id);
+			if (!key) return;
+			const set = referenceRegistry[key];
+			if (!set) return;
+			set.forEach((model) => {
+				if (!model || model === source) return;
+				if (typeof model.reloadComponentContent === 'function') {
+					model.reloadComponentContent({ forced: true, reason: 'CASCADE', skipCascade: true });
+				}
+			});
+		};
+
 			setTimeout(() => {
 				const ReferenceModel = defaultType.model.extend({
 
@@ -139,10 +166,13 @@
 
 						this.on('change:lib-kind change:lib-id', () => {
 							this.ensureReferenceMetadata();
+							this.updateReferenceRegistration();
 							this.reloadComponentContent();
 					});
 
 					this.ensureReferenceMetadata();
+					this.updateReferenceRegistration();
+					this.on('destroy remove', () => this.unregisterReferenceInstance());
 					const id = this.get('lib-id');
 					const kind = this.get('lib-kind');
 					const startContent = this.get('startContent');
@@ -222,6 +252,25 @@
 					}
 				},
 
+				getReferenceKey() {
+					return makeKey(this.get('lib-kind'), this.get('lib-id'));
+				},
+
+				updateReferenceRegistration() {
+					const nextKey = this.getReferenceKey();
+					if (this._refKey === nextKey) return;
+					if (this._refKey) unregisterReference(this._refKey, this);
+					if (nextKey) registerReference(nextKey, this);
+					this._refKey = nextKey;
+				},
+
+				unregisterReferenceInstance() {
+					if (this._refKey) {
+						unregisterReference(this._refKey, this);
+						this._refKey = null;
+					}
+				},
+
 				getCachedApiItem(kind, id) {
 					const key = `${kind}-${id}`;
 					const item = B.ApiItemCache?.[key];
@@ -282,6 +331,9 @@
 							if (item && item.html) {
 								this.setPreviewHtml(item.html);
 								log(`INHALT erfolgreich für ${kind}/${id} geladen.`, '#008000');
+								if (!opts.skipCascade) {
+									cascadeReferenceUpdate(kind, id, this);
+								}
 							} else {
 								log(`RELOAD FEHLER: Inhalt ${kind}/${id} nicht gefunden.`, '#dc3545', 'error', true);
 								this.setPreviewHtml(