Fix coverage with several contract classes; table annotation and file path checks; clean task dir on write

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0105/task.json

@@ -0,0 +1,82 @@
+{
+  "id": "G0105",
+  "category": "A",
+  "object_type": "FUNC",
+  "difficulty": 2,
+  "release_target": "v758",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 40,
+    "max_activations": 10
+  },
+  "seed": [
+    {
+      "type": "FUGR",
+      "name": "{{P}}FG_TOLL",
+      "description": "Toll fee function group"
+    }
+  ],
+  "contract": [
+    {
+      "type": "FUNC",
+      "name": "{{P}}TOLL_FEE",
+      "functionGroup": "{{P}}FG_TOLL",
+      "params": [
+        {
+          "name": "iv_distance_km",
+          "type": "decfloat34"
+        },
+        {
+          "name": "iv_weight_class",
+          "type": "i"
+        },
+        {
+          "name": "iv_axles",
+          "type": "i"
+        },
+        {
+          "name": "ev_fee",
+          "type": "decfloat34"
+        }
+      ]
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}TOLL_CALC"
+    }
+  ],
+  "out_of_scope": [],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T14_HIDDEN",
+      "file": "hidden/t14_hidden.clas.abap",
+      "description": "T14 hidden tests"
+    }
+  ],
+  "reference": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}TOLL_CALC",
+      "file": "reference/toll_calc.clas.abap",
+      "testclasses_file": "reference/toll_calc.testclasses.abap",
+      "description": "Toll fee calculation"
+    },
+    {
+      "type": "FUNC",
+      "name": "{{P}}TOLL_FEE",
+      "functionGroup": "{{P}}FG_TOLL",
+      "file": "reference/toll_fee.func.abap",
+      "description": "Toll fee function module"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}T14_TEST",
+      "file": "reference/t14_test.clas.abap",
+      "description": "T14 own tests"
+    }
+  ],
+  "craft_checks": [
+    "method_length"
+  ]
+}