Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1931/task.json

@@ -0,0 +1,64 @@
+{
+  "id": "G1931",
+  "category": "E",
+  "object_type": "DDLS",
+  "difficulty": 2,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [
+    {
+      "type": "TABL",
+      "name": "{{P}}RENTAL",
+      "file": "seed/rental.tabl.asabap",
+      "description": "Rental record of the car rental company"
+    },
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_RENTAL_FEE",
+      "file": "seed/i_rental_fee.ddls.asddls",
+      "description": "Legacy rental fee view with deeply nested CASE expressions"
+    }
+  ],
+  "contract": [
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_RENTAL_FEE",
+      "fields": [
+        "RENTAL_ID",
+        "CAR_GROUP",
+        "RENTAL_DAYS",
+        "FEE"
+      ]
+    }
+  ],
+  "out_of_scope": [
+    "{{P}}RENTAL"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}E_RENTAL_HIDDEN",
+      "file": "hidden/e_rental_hidden.clas.abap",
+      "description": "Hidden tests for the unchanged behavior of the rental fee view"
+    }
+  ],
+  "reference": [
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_RENTAL_FEE",
+      "file": "reference/i_rental_fee.ddls.asddls",
+      "description": "Clean rental fee view entity"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}E_RENTAL_TEST",
+      "file": "reference/e_rental_test.clas.abap",
+      "description": "Own tests for the rental fee view"
+    }
+  ],
+  "craft_checks": []
+}