Snapshot: new training tasks (balanced generation), docs

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

tasks_gen/train/G1940/task.json

@@ -0,0 +1,109 @@
+{
+  "id": "G1940",
+  "category": "D",
+  "object_type": "MSAG",
+  "difficulty": 2,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 15
+  },
+  "seed": [],
+  "contract": [
+    {
+      "type": "MSAG",
+      "name": "{{P}}MSG_CRANE",
+      "messages": [
+        {
+          "msgno": "001"
+        },
+        {
+          "msgno": "002"
+        },
+        {
+          "msgno": "003"
+        },
+        {
+          "msgno": "004"
+        },
+        {
+          "msgno": "005"
+        }
+      ]
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_CRANE_ERROR"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}LIFT_CHECK"
+    }
+  ],
+  "out_of_scope": [
+    "database tables",
+    "CDS view entities",
+    "reports",
+    "changes to other objects in package $TMP"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}LIFT_HIDDEN",
+      "file": "hidden/lift_hidden.clas.abap",
+      "description": "Hidden tests for the crane message class, the crane exception class, and the lift plan check"
+    }
+  ],
+  "reference": [
+    {
+      "type": "MSAG",
+      "name": "{{P}}MSG_CRANE",
+      "description": "Messages of the mobile crane hire company",
+      "messages": [
+        {
+          "msgno": "001",
+          "text": "Lift plan &1 has no crane"
+        },
+        {
+          "msgno": "002",
+          "text": "Lift plan &1 is too heavy for crane &2"
+        },
+        {
+          "msgno": "003",
+          "text": "Lift plan &1 is blocked because of wind"
+        },
+        {
+          "msgno": "004",
+          "text": "Lift plan &1 is near the load limit"
+        },
+        {
+          "msgno": "005",
+          "text": "Lift plan &1 is approved"
+        }
+      ]
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_CRANE_ERROR",
+      "file": "reference/cx_crane_error.clas.abap",
+      "description": "Class-based exception that carries a crane message"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}LIFT_CHECK",
+      "file": "reference/lift_check.clas.abap",
+      "testclasses_file": "reference/lift_check.clas.testclasses.abap",
+      "description": "Checks a lift plan and raises the crane exception"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}LIFT_TEST",
+      "file": "reference/lift_test.clas.abap",
+      "description": "Own tests for the crane message class and the crane exception"
+    }
+  ],
+  "craft_checks": [
+    "method_length"
+  ]
+}