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/G1020/task.json

@@ -0,0 +1,59 @@
+{
+  "id": "G1020",
+  "category": "B",
+  "object_type": "DDLS",
+  "difficulty": 2,
+  "release_target": "v758",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [
+    {
+      "type": "TABL",
+      "name": "{{P}}PLANT",
+      "file": "seed/plant.tabl.asabap",
+      "description": "Tree sapling"
+    }
+  ],
+  "contract": [
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_PLANT_GRADE",
+      "fields": [
+        "TREE_ID",
+        "SPECIES",
+        "HEIGHT_M",
+        "GRADE",
+        "GRADE_TEXT"
+      ]
+    }
+  ],
+  "out_of_scope": [
+    "{{P}}PLANT"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T33_HIDDEN",
+      "file": "hidden/t33_hidden.clas.abap",
+      "description": "T33 hidden tests"
+    }
+  ],
+  "reference": [
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_PLANT_GRADE",
+      "file": "reference/i_plant_grade.ddls.asddls",
+      "description": "Grade of each tree sapling"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}T33_TEST",
+      "file": "reference/t33_test.clas.abap",
+      "description": "T33 own tests"
+    }
+  ],
+  "craft_checks": []
+}