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/G1049/generation.json

@@ -0,0 +1,28 @@
+{
+ "id": "G1049",
+ "pool": "train",
+ "object_type": "CLAS",
+ "category": "C",
+ "attempts": [
+  {
+   "stage": "bundle",
+   "errors": [
+    "reference/quote_merger.testclasses.abap line 96: syntax error for release v758 (abaplint): Statement does not exist in the configured ABAP version(or a parser error), \"lt_quotes_a\""
+   ],
+   "by_check": {
+    "abaplint": 1
+   }
+  },
+  {
+   "stage": "validate",
+   "oracle": 100.0,
+   "null": 0,
+   "mutation": {
+    "valid": 5,
+    "killed": 5,
+    "ok": true
+   }
+  }
+ ],
+ "accepted": true
+}