Complete XYZAC LinuxCNC WASM parity and smooth 3D preview

scripts/generate_xyzac_trt_parity_report.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+"""Generate the legacy XYZAC parity report from the structured comparator."""
+
+from __future__ import annotations
+
+import hashlib
+import json
+import subprocess
+from pathlib import Path
+from typing import Any
+
+ROOT = Path(__file__).resolve().parents[1]
+STRUCTURED = ROOT / "coverage/xyzac-trt-trace-parity.report.json"
+REPORT = ROOT / "coverage/xyzac-trt-native-wasm-parity.report.json"
+
+
+def canonical(value: Any) -> str:
+    return json.dumps(value, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
+
+
+def main() -> int:
+    result = subprocess.run(["python3", "scripts/compare_xyzac_native_wasm_trace.py"], cwd=ROOT, check=False)
+    if result.returncode != 0 or not STRUCTURED.is_file():
+        return 1
+    source = json.loads(STRUCTURED.read_text(encoding="utf-8"))
+    report: dict[str, Any] = {
+        "schema": "xyzac-trt-native-wasm-parity.v2",
+        "task_id": "PARITY-00",
+        "context_id": source["context_id"],
+        "case": source["case"]["path"],
+        "scope": "xyzac_only",
+        "status": source["status"],
+        "native": source.get("traces", {}).get("native", {}),
+        "wasm": source.get("traces", {}).get("wasm", {}),
+        "worker": source.get("traces", {}).get("worker", {}),
+        "trace": {
+            "levels": source["levels"],
+            "native_wasm": source["native_wasm"],
+            "native_worker": source["native_worker"],
+            "first_divergent_tick": source["first_divergent_tick"],
+            "positive_divergence_sample": source["positive_divergence_sample"],
+        },
+        "authority": "linuxcnc-wasm-worker",
+        "js_authority": 0,
+        "release_status": "STOP_RELEASE",
+        "report_sha256": None,
+    }
+    report["report_sha256"] = hashlib.sha256(canonical({key: value for key, value in report.items() if key != "report_sha256"}).encode()).hexdigest()
+    REPORT.write_text(json.dumps(report, ensure_ascii=False, sort_keys=True, indent=2) + "\n", encoding="utf-8")
+    print(json.dumps({"schema": report["schema"], "status": report["status"], "scope": report["scope"], "report_sha256": report["report_sha256"]}, ensure_ascii=False))
+    return 0 if report["status"] == "verified" else 1
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())