Add simple knowledge graph build wrapper

RUN_INSTRUCTION.md

@@ -105,6 +105,12 @@ python scripts/kg/build_adc_knowledge_graph.py `
 
 Build the full graph:
 
+```powershell
+python build_knowledge_graph.py
+```
+
+Equivalent explicit command:
+
 ```powershell
 python scripts/kg/build_adc_knowledge_graph.py `
   --input data_adc_databaza/adc_scrape_2026_05_04/adc_products_structured.json `

build_knowledge_graph.py

@@ -0,0 +1,11 @@
+"""Build the ADC knowledge graph with default project paths.
+
+Usage:
+    python build_knowledge_graph.py
+"""
+
+from scripts.kg.build_adc_knowledge_graph import main
+
+
+if __name__ == "__main__":
+    main()