Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1928/task.json

@@ -0,0 +1,76 @@
+{
+  "id": "G1928",
+  "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}}TURBINE",
+      "file": "seed/turbine.tabl.asabap",
+      "description": "Wind turbine master data"
+    },
+    {
+      "type": "TABL",
+      "name": "{{P}}YIELD",
+      "file": "seed/yield.tabl.asabap",
+      "description": "Monthly yield of one wind turbine"
+    },
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_WIND_GRADE",
+      "file": "seed/i_wind_grade.ddls.asddls",
+      "description": "Legacy view with nested CASE expressions"
+    }
+  ],
+  "contract": [
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_WIND_GRADE",
+      "fields": [
+        "TURBINE_ID",
+        "CALMONTH",
+        "SITE",
+        "ENERGY_KWH",
+        "DOWNTIME_HRS",
+        "YIELD_GRADE",
+        "AVAILABILITY",
+        "RATING",
+        "PENALTY"
+      ]
+    }
+  ],
+  "out_of_scope": [
+    "{{P}}TURBINE",
+    "{{P}}YIELD"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T31_HIDDEN",
+      "file": "hidden/t31_hidden.clas.abap",
+      "description": "T31 hidden tests"
+    }
+  ],
+  "reference": [
+    {
+      "type": "DDLS",
+      "name": "{{P}}I_WIND_GRADE",
+      "file": "reference/i_wind_grade.ddls.asddls",
+      "description": "Refactored view entity with flat CASE expressions"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}T31_TEST",
+      "file": "reference/t31_test.clas.abap",
+      "description": "T31 own tests"
+    }
+  ],
+  "craft_checks": []
+}