Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1919/task.json

@@ -0,0 +1,56 @@
+{
+  "id": "G1919",
+  "category": "B",
+  "object_type": "TABL",
+  "difficulty": 3,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [],
+  "contract": [
+    {
+      "type": "TABL",
+      "name": "{{P}}RESCUE",
+      "fields": [
+        "client",
+        "callout_id",
+        "callout_date",
+        "location",
+        "duration_min",
+        "team_size",
+        "rescued_count",
+        "fee_amount",
+        "currency_code"
+      ]
+    }
+  ],
+  "out_of_scope": [
+    "Other objects in package $TMP"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T20_HIDDEN",
+      "file": "hidden/t20_hidden.clas.abap",
+      "description": "Structure and storage tests for {{P}}RESCUE"
+    }
+  ],
+  "reference": [
+    {
+      "type": "TABL",
+      "name": "{{P}}RESCUE",
+      "file": "reference/rescue.tabl.asabap",
+      "description": "Mountain rescue callouts"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}T20_TEST",
+      "file": "reference/t20_test.clas.abap",
+      "description": "Own tests for {{P}}RESCUE"
+    }
+  ],
+  "craft_checks": []
+}