Implement AXIS parity UI and execution baseline

coverage/python-callbacks.report.json

@@ -0,0 +1,59 @@
+{
+  "callbacks": [
+    "remap_prolog",
+    "remap_epilog",
+    "filter",
+    "vcp_pin"
+  ],
+  "context_id": "linuxcnc-2.10.0-pre0-wasm-m1-py-c1",
+  "denied": [
+    "subprocess",
+    "socket",
+    "os.system",
+    "device_paths",
+    "arbitrary_host_paths"
+  ],
+  "determinism": {
+    "checkpoint_state_hash": true,
+    "logical_tick": true,
+    "random": false,
+    "wall_clock": false
+  },
+  "known_boundaries": [
+    "full VCP UI descriptor rendering is P7-03",
+    "Pyodide artifact and API compatibility are P5-01/P5-02"
+  ],
+  "limits": {
+    "exception": "isolated",
+    "max_callbacks": 256,
+    "max_source_bytes": 65536,
+    "reentrant": "blocked"
+  },
+  "outputs": [
+    {
+      "bytes": 7227,
+      "path": "web/worker/python-callbacks.mjs",
+      "sha256": "2351fb79254da15c1e97d9be7c7f3d5f5bde1478780f5f6d98ee9270d56562ec"
+    },
+    {
+      "bytes": 53849,
+      "path": "web/worker/sim-session.mjs",
+      "sha256": "715e3ce686e570514cd5549c26f1a7e272d344153ca8e47ec608b22c477b3cc2"
+    },
+    {
+      "bytes": 2120,
+      "path": "web/worker/test_python_callbacks.mjs",
+      "sha256": "0b78e429adf695483b39d68ec3561eab9ed5b4c3cc13841ef6f9eb91ef775fb7"
+    }
+  ],
+  "report_sha256": "35cd8687c11ddd2e3135d0573a3caedc432a5f0c1087982fefd75c1b29fd876f",
+  "schema": "python-callbacks-report.v1",
+  "status": "verified",
+  "task_id": "P5-03",
+  "test": {
+    "command": "node web/worker/test_python_callbacks.mjs",
+    "status": "verified",
+    "stderr": "",
+    "stdout": "python_callbacks=passed remap=3 errors=1 worker=real_hardware_excluded\n"
+  }
+}