Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1956/task.json

@@ -0,0 +1,43 @@
+{
+  "id": "G1956",
+  "category": "A",
+  "object_type": "INTF",
+  "difficulty": 3,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [],
+  "contract": [
+    {
+      "type": "INTF",
+      "name": "{{P}}IF_COBBLER"
+    }
+  ],
+  "out_of_scope": [],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}COBBLER_HIDDEN",
+      "file": "hidden/cobbler_hidden.clas.abap",
+      "description": "Contract tests for {{P}}IF_COBBLER"
+    }
+  ],
+  "reference": [
+    {
+      "type": "INTF",
+      "name": "{{P}}IF_COBBLER",
+      "file": "reference/if_cobbler.intf.abap",
+      "description": "Pricing contract of the cobbler workshop"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}COBBLER_TEST",
+      "file": "reference/cobbler_test.clas.abap",
+      "description": "Own tests for the interface"
+    }
+  ],
+  "craft_checks": []
+}