Generator: pilot analysis and fixes; G0002-G0021 tasks; handover notes merged

- Static bundle checks (name length, seed type, reserved words, contract test classes,
  testclasses_file), local abaplint parser check before SAP, max_tokens, robust JSON parse
- Runner: G2 for CDS views with parameters, contract_check detail in report
- G0020 and G0013 fixed by review and revalidated (oracle 100, null 0)
- Pilot results in docs/faz1-tasarim.md 11e; handover notes merged into CLAUDE.md and docs

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

tasks_gen/eval/G0005/task.json

@@ -0,0 +1,90 @@
+{
+  "id": "G0005",
+  "category": "D",
+  "object_type": "CLAS",
+  "difficulty": 2,
+  "release_target": "v816",
+  "expected_outcome": "implement",
+  "budget": {
+    "max_tool_calls": 60,
+    "max_activations": 20
+  },
+  "seed": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}ZONE_MASTER",
+      "file": "seed/zone_master.clas.abap",
+      "description": "Zone master data provider"
+    }
+  ],
+  "contract": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_FREIGHT_ERROR"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_UNKNOWN_ZONE"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_INVALID_WEIGHT"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_WEIGHT_LIMIT"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}FREIGHT_CALC"
+    }
+  ],
+  "out_of_scope": [
+    "{{P}}ZONE_MASTER"
+  ],
+  "hidden_tests": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}T02_HIDDEN",
+      "file": "hidden/t02_hidden.clas.abap",
+      "description": "T02 hidden tests"
+    }
+  ],
+  "reference": [
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_FREIGHT_ERROR",
+      "file": "reference/cx_freight_error.clas.abap",
+      "description": "Abstract base exception"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_UNKNOWN_ZONE",
+      "file": "reference/cx_unknown_zone.clas.abap",
+      "description": "Unknown zone exception"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_INVALID_WEIGHT",
+      "file": "reference/cx_invalid_weight.clas.abap",
+      "description": "Invalid weight exception"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}CX_WEIGHT_LIMIT",
+      "file": "reference/cx_weight_limit.clas.abap",
+      "description": "Weight limit exception"
+    },
+    {
+      "type": "CLAS",
+      "name": "{{P}}FREIGHT_CALC",
+      "file": "reference/freight_calc.clas.abap",
+      "description": "Freight cost calculator",
+      "testclasses_file": "reference/freight_calc.testclasses.abap"
+    }
+  ],
+  "craft_checks": [
+    "method_length",
+    "exception_handling"
+  ]
+}