Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/_logs/G1948.json

@@ -0,0 +1,33 @@
+{
+ "id": "G1948",
+ "pool": "train",
+ "object_type": "MSAG",
+ "category": "D",
+ "attempts": [
+  {
+   "stage": "bundle",
+   "errors": [
+    "Too close to task G0137 (similarity spec 0.35, rules 0.19, names 1.00). Choose a different business topic and different object names.",
+    "Too close to task G1902 (similarity spec 0.68, rules 0.61, names 1.00). Choose a different business topic and different object names."
+   ],
+   "by_check": {
+    "extra": 2
+   }
+  },
+  {
+   "stage": "validate",
+   "oracle": 100.0,
+   "null": 0,
+   "mutation": {
+    "valid": 4,
+    "killed": 4,
+    "ok": true
+   }
+  }
+ ],
+ "accepted": true,
+ "kind": "MSAG",
+ "error_kind": null,
+ "difficulty": 2,
+ "spent_total": 110.3164
+}