Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1937/task.json

@@ -0,0 +1,51 @@
+{
+  "id": "G1937",
+  "category": "A",
+  "object_type": "INTF",
+  "difficulty": 2,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [],
+  "contract": [
+    {
+      "type": "INTF",
+      "name": "{{P}}IF_SWEEP_CHECK"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CHIMNEY_CHECKER",
+      "implements": "{{P}}IF_SWEEP_CHECK"
+    }
+  ],
+  "out_of_scope": [],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T02_HIDDEN",
+      "file": "hidden/t02_hidden.clas.abap",
+      "description": "T02 hidden tests: the test class implements the interface, calls the methods through the interface, reads the constants and checks the type lengths"
+    }
+  ],
+  "reference": [
+    {
+      "type": "INTF",
+      "name": "{{P}}IF_SWEEP_CHECK",
+      "file": "reference/if_sweep_check.intf.abap",
+      "description": "Sweep order check contract"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CHIMNEY_CHECKER",
+      "file": "reference/chimney_checker.clas.abap",
+      "description": "Chimney sweep order checker and fee calculator",
+      "testclasses_file": "reference/chimney_checker.testclasses.abap"
+    }
+  ],
+  "craft_checks": [
+    "method_length"
+  ]
+}