From db5d0fad9f4bc5ba90417b54bd9e71206376de4c Mon Sep 17 00:00:00 2001
From: Wolfvin <wolfvin@users.noreply.github.com>
Date: Fri, 3 Jul 2026 21:10:19 +0700
Subject: [PATCH] fix(query-graph): map n.id to node_id string column, not
 integer PK (closes #187)

---
 scripts/query_graph_engine.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/query_graph_engine.py b/scripts/query_graph_engine.py
index 86641443..858c8e18 100644
--- a/scripts/query_graph_engine.py
+++ b/scripts/query_graph_engine.py
@@ -63,7 +63,7 @@
     "line": "line",
     "node_type": "node_type",
     "node_id": "node_id",
-    "id": "id",
+    "id": "node_id",  # Cypher n.id → SQLite node_id string (not integer PK)
 }
 
 # Valid edge types (from graph_model.py).