Stage 2 summary at 50 accepted trajectories

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tasks_gen/train/_logs/G1123.json

@@ -0,0 +1,40 @@
+{
+ "id": "G1123",
+ "pool": "train",
+ "object_type": "CLAS",
+ "category": "A",
+ "attempts": [
+  {
+   "stage": "validate",
+   "oracle": 89.2,
+   "null": 0
+  },
+  {
+   "stage": "validate",
+   "oracle": 100.0,
+   "null": 0,
+   "mutation": {
+    "valid": 5,
+    "killed": 3,
+    "ok": false
+   }
+  },
+  {
+   "stage": "bundle",
+   "errors": [
+    "invalid JSON: Unterminated string starting at: line 1 column 8619 (char 8618)"
+   ],
+   "by_check": {
+    "json": 1
+   }
+  },
+  {
+   "stage": "validate",
+   "oracle": 0,
+   "null": 0
+  }
+ ],
+ "accepted": false,
+ "error_kind": "named-type",
+ "spent_total": 87.0034
+}