diff --git a/app/core/retrieval/decision_engine.py b/app/core/retrieval/decision_engine.py
index ed90d21..ffcf8ac 100644
--- a/app/core/retrieval/decision_engine.py
+++ b/app/core/retrieval/decision_engine.py
@@ -225,8 +225,11 @@ class DecisionEngine:
         else:
             logger.info(f"✨ [SUCCESS] Stream '{name}' lieferte {len(response.results)} Treffer.")
             # Top 3 Treffer im DEBUG-Level loggen
+            # WP-24c v4.5.4: QueryHit hat kein chunk_id Feld - verwende node_id (enthält die Chunk-ID)
             for i, hit in enumerate(response.results[:3]):
-                logger.debug(f"   [{i+1}] Chunk: {hit.chunk_id} | Score: {hit.score:.4f} | Path: {hit.source.get('path', 'N/A')}")
+                chunk_id = hit.node_id  # node_id ist die Chunk-ID (pid)
+                score = hit.total_score  # QueryHit hat total_score, nicht score
+                logger.debug(f"   [{i+1}] Chunk: {chunk_id} | Score: {score:.4f} | Path: {hit.source.get('path', 'N/A') if hit.source else 'N/A'}")
         
         for hit in response.results:
             hit.stream_origin = name
diff --git a/app/core/retrieval/retriever.py b/app/core/retrieval/retriever.py
index c6926f5..8a697ed 100644
--- a/app/core/retrieval/retriever.py
+++ b/app/core/retrieval/retriever.py
@@ -357,8 +357,10 @@ def _build_hits_from_semantic(
     else:
         logger.info(f"✨ [SUCCESS] Hybride Suche lieferte {len(results)} Treffer (Latency: {latency_ms}ms)")
         # Top 3 finale Scores loggen
+        # WP-24c v4.5.4: QueryHit hat kein chunk_id Feld - verwende node_id (enthält die Chunk-ID)
         for i, hit in enumerate(results[:3]):
-            logger.debug(f"   [{i+1}] Final: Chunk={hit.chunk_id} | Total-Score={hit.total_score:.4f} | Semantic={hit.semantic_score:.4f} | Edge={hit.edge_bonus:.4f}")
+            chunk_id = hit.node_id  # node_id ist die Chunk-ID (pid)
+            logger.debug(f"   [{i+1}] Final: Chunk={chunk_id} | Total-Score={hit.total_score:.4f} | Semantic={hit.semantic_score:.4f} | Edge={hit.edge_bonus:.4f}")
     
     return QueryResponse(results=results, used_mode=used_mode, latency_ms=latency_ms)