🔧 Fix window KG entity reference - remove invalid rel_009 from window_0

backend/database/samples/knowledge_graphs/kg_algorithm_sample_1_window_0.json

@@ -3,7 +3,7 @@
   "trace_index": 0,
   "graph_data": {
     "system_name": "Location-Based Restaurant Discovery System",
-    "system_summary": "Initial stage of the Location-Based Restaurant Discovery System focusing on location identification and geographic analysis. The User Restaurant Query (input_001) is processed by the Location-Based Services Expert (agent_001) who begins Geographic Proximity Analysis (task_001). Computer Terminal (agent_004) provides computational support. This window shows the foundational setup with 3 entities and 3 relationships.",
+    "system_summary": "Initial stage of the Location-Based Restaurant Discovery System focusing on location identification and geographic analysis. The User Restaurant Query (input_001) is processed by the Location-Based Services Expert (agent_001) who begins Geographic Proximity Analysis (task_001). This window shows the foundational setup with 3 entities and 2 relationships.",
     "entities": [
       {
         "id": "agent_001",
@@ -78,21 +78,6 @@
             "confidence": 0.92
           }
         ]
-      },
-      {
-        "id": "rel_009",
-        "source": "agent_004",
-        "target": "task_001",
-        "type": "REQUIRED_BY",
-        "importance": "MEDIUM",
-        "interaction_prompt": "Computational task requires Computer Terminal for execution",
-        "interaction_prompt_ref": [
-          {
-            "line_start": 20,
-            "line_end": 25,
-            "confidence": 0.8
-          }
-        ]
       }
     ],
     "failures": [],
@@ -108,7 +93,7 @@
         "window_start_char": 0,
         "window_end_char": 8675,
         "entity_count": 3,
-        "relation_count": 3,
+        "relation_count": 2,
         "failure_count": 0,
         "optimization_count": 0,
         "created_at": "2025-09-01T20:30:56.631864"