Pipeline controller: plan 2 (hard +, error +50 %), backlog throttle, 2 trajectory workers, stop rules, summaries every 50; budget reserve

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

tasks_gen/train/G1032/generation.json

@@ -0,0 +1,28 @@
+{
+ "id": "G1032",
+ "pool": "train",
+ "object_type": "DDLS",
+ "category": "B",
+ "attempts": [
+  {
+   "stage": "bundle",
+   "errors": [
+    "seed/lesson.tabl.asabap: field name minutes is a reserved word; choose another name"
+   ],
+   "by_check": {
+    "static": 1
+   }
+  },
+  {
+   "stage": "validate",
+   "oracle": 100.0,
+   "null": 0,
+   "mutation": {
+    "valid": 5,
+    "killed": 4,
+    "ok": true
+   }
+  }
+ ],
+ "accepted": true
+}