Complete XYZAC LinuxCNC WASM parity and smooth 3D preview

coverage/task-packets/WASM-00-REMEDIATION.handoff.json

@@ -0,0 +1,45 @@
+{
+  "schema": "task-handoff.v1",
+  "task_id": "WASM-00-REMEDIATION",
+  "context_id": "linuxcnc-2.10.0-pre0-wasm-m1-py-c1",
+  "status": "verified",
+  "result": "selected XYZAC authority verified for the simulation scope; physical power-loss and Safari are accepted scope exclusions",
+  "report": {"path": "coverage/xyzac-trt-wasm-authority-audit.report.json", "sha256": "279a9c2b0496e415cb3da25fc387ee245e826e942b67471a25796a3c23122205"},
+  "implemented": [
+    "sim_program C/WASM runtime owns selected XYZAC program load/control/interpreter/motion events",
+    "selected XYZAC jog/home/limit validation routes through WASM motion queue and home-limit",
+    "selected XYZAC snapshots omit JS compatibility planner state",
+    "sim_io C/WASM owns spindle/tool/probe/ESTOP/recovery and HAL scalar writes",
+    "sim_device_io C/WASM owns encoder/coolant/door/interlock/ack state",
+    "Chromium SIGKILL/profile reopen and corruption detection verified",
+    "Firefox Worker OPFS round-trip verified"
+  ],
+  "tests": {
+    "native_ctest": "20/20 passed",
+    "react_typecheck_build": "passed",
+    "xyzac_worker": "passed",
+    "xyzac_program_authority": "passed",
+    "xyzac_io_authority": "passed",
+    "native_xyzac_xyzbc_startup": "passed",
+    "native_wasm_parity": "passed",
+    "chromium_opfs_crash": "passed",
+    "chromium_opfs_corruption": "passed",
+    "firefox_opfs_round_trip": "passed",
+    "authority_audit": "passed"
+  },
+  "authority_matrix": {
+    "program_interpreter": "verified",
+    "motion_jog_home_limit": "verified",
+    "task_state": "verified",
+    "hal_io_tool_probe": "verified",
+    "kinematics_rtcp_switchkins": "verified"
+  },
+  "accepted_scope_exclusions": [
+    {"code": "PHYSICAL_POWER_LOSS_OUTSIDE_BROWSER", "status": "accepted_scope_exclusion"},
+    {"code": "SAFARI_NOT_REQUIRED", "status": "accepted_scope_exclusion"}
+  ],
+  "failure_samples": [],
+  "next_task": "RTCP-01",
+  "next_task_status": "queued",
+  "release_status": "STOP_RELEASE"
+}