Implement AXIS parity UI and execution baseline

scripts/test_minimal_xyz_vertical_s8_04.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+"""Contract tests for the S8-04 minimal XYZ vertical 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_minimal_xyz_vertical_s8_04
+
+
+ROOT = Path(__file__).resolve().parents[1]
+REPORT = ROOT / "coverage/minimal-xyz-vertical-s8-04.report.json"
+
+
+class MinimalXYZVerticalS804Tests(unittest.TestCase):
+    def test_contract(self) -> None:
+        report = json.loads(REPORT.read_text(encoding="utf-8"))
+        self.assertEqual(report["schema"], "minimal-xyz-vertical-s8-04-report.v1")
+        self.assertEqual(report["status"], "verified")
+        self.assertEqual(report["checks"]["startup_task_ready"]["status"], "verified")
+        self.assertTrue(report["checks"]["checkpoint_recovery_parity"]["endpoint_equal"])
+        self.assertEqual(report["checks"]["estop_recover"]["blocked_code"], "sim_io_estop")
+
+    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_minimal_xyz_vertical_s8_04.canonical(unsigned).encode()).hexdigest())
+
+
+if __name__ == "__main__":
+    unittest.main()