Implement AXIS parity UI and execution baseline

scripts/generate_device_io_s2_report.py

@@ -0,0 +1,92 @@
+#!/usr/bin/env python3
+"""Generate deterministic S2-03 encoder/coolant/interlock/ack evidence."""
+
+from __future__ import annotations
+
+import hashlib
+import json
+import subprocess
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+OUTPUT = ROOT / "coverage/device-io-s2.report.json"
+
+INPUTS = (
+    "context-lock.json",
+    "wasm-core/include/sim_device_io.h",
+    "wasm-core/src/sim_device_io.c",
+    "wasm-core/tests/sim_device_io_test.c",
+    "web/worker/device-io.mjs",
+    "web/worker/test_device_io.mjs",
+    "web/worker/io-ack.mjs",
+    "web/worker/sim-session.mjs",
+    "linuxcnc/src/hal/components/sim_encoder.c",
+    "linuxcnc/src/hal/components/encoder.c",
+    "linuxcnc/configs/sim/axis/cooling.hal",
+)
+
+
+def sha256_bytes(data: bytes) -> str:
+    return hashlib.sha256(data).hexdigest()
+
+
+def canonical(value: object) -> bytes:
+    return json.dumps(value, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode("utf-8")
+
+
+def run(command: list[str]) -> dict[str, object]:
+    completed = subprocess.run(command, cwd=ROOT, text=True, capture_output=True, check=False)
+    sample = None
+    for line in reversed(completed.stdout.splitlines()):
+        if line.lstrip().startswith("{"):
+            try:
+                sample = json.loads(line)
+                break
+            except json.JSONDecodeError:
+                continue
+    return {
+        "command": command,
+        "returncode": completed.returncode,
+        "status": "verified" if completed.returncode == 0 else "blocked",
+        "stdout_sha256": sha256_bytes(completed.stdout.encode()),
+        "stderr_sha256": sha256_bytes(completed.stderr.encode()),
+        "sample": sample,
+    }
+
+
+def generate(output: Path = OUTPUT) -> dict[str, object]:
+    context = json.loads((ROOT / "context-lock.json").read_text(encoding="utf-8"))
+    native = run([str(ROOT / "build-native/sim_device_io_test")])
+    wasm = run(["node", str(ROOT / "build-wasm/sim_device_io_wasm_test.js")])
+    worker = run(["node", str(ROOT / "web/worker/test_device_io.mjs")])
+    native_sample = native["sample"]
+    wasm_sample = wasm["sample"]
+    report: dict[str, object] = {
+        "schema": "device-io-s2-report.v1",
+        "task_id": "S2-03",
+        "context_id": context["context_id"],
+        "status": "verified" if all(item["status"] == "verified" for item in (native, wasm, worker)) and native_sample == wasm_sample else "blocked",
+        "features": [
+            "fixed-tick quadrature encoder and index pulse",
+            "encoder position/velocity/count scaling",
+            "coolant mist/flood/lube interlock gating",
+            "door and latched interlock fault/recovery",
+            "deterministic IO ack issue/duplicate/timeout/late/abort",
+            "native/WASM byte-identical state sample",
+            "Worker checkpoint/replay device state",
+        ],
+        "capacities": {"encoders": 8, "ack_entries": 64, "max_tick_step": 1000000},
+        "boundaries": ["real encoder transport and physical safety circuits remain REAL-EXCLUDED", "nonfinite/range/unsafe commands fail closed"],
+        "inputs": [{"path": path, "sha256": sha256_bytes((ROOT / path).read_bytes())} for path in INPUTS],
+        "tests": {"native": native, "wasm": wasm, "worker": worker, "native_wasm_byte_identical": native_sample == wasm_sample},
+        "report_sha256": None,
+    }
+    report["report_sha256"] = sha256_bytes(canonical({key: value for key, value in report.items() if key != "report_sha256"}))
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(report, ensure_ascii=False, sort_keys=True, indent=2) + "\n", encoding="utf-8")
+    return report
+
+
+if __name__ == "__main__":
+    result = generate()
+    print(f"device_io_s2={result['status']} native_wasm={result['tests']['native_wasm_byte_identical']}")