Implement AXIS parity UI and execution baseline

scripts/test_sim_case_batch_s8_03.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+"""Contract tests for the S8-03 XZ batch report."""
+
+from __future__ import annotations
+
+import hashlib
+import json
+import sys
+import unittest
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent))
+import generate_sim_case_batch_s8_03
+
+
+ROOT = Path(__file__).resolve().parents[1]
+REPORT = ROOT / "coverage/sim-case-batch-s8-03.report.json"
+
+
+class SimCaseBatchS803Tests(unittest.TestCase):
+    def test_contract(self) -> None:
+        report = json.loads(REPORT.read_text(encoding="utf-8"))
+        self.assertEqual(report["schema"], "sim-case-batch-s8-03-report.v1")
+        self.assertEqual(report["status"], "verified")
+        self.assertEqual(report["implementation_status"], "verified")
+        self.assertEqual(report["checks"]["three_case_batch"]["cases"], 3)
+        self.assertEqual(report["checks"]["task_ready"]["status"], "verified")
+
+    def test_self_hash(self) -> None:
+        report = json.loads(REPORT.read_text(encoding="utf-8"))
+        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
+        self.assertEqual(report["report_sha256"], hashlib.sha256(generate_sim_case_batch_s8_03.canonical(unsigned).encode()).hexdigest())
+
+
+if __name__ == "__main__":
+    unittest.main()