Plan full LinuxCNC TP numerical parity

coverage/task-packets/TP-PARITY-00.json

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+{
+  "schema": "task-packet.v1",
+  "task_id": "TP-PARITY-00",
+  "status": "blocked",
+  "title": "Native LinuxCNC XYZAC per-tick oracle",
+  "milestone": "M7-TP-NUMERICAL-PARITY",
+  "context_id": "linuxcnc-2.10.0-pre0-wasm-m1-py-c1",
+  "case": "linuxcnc/configs/sim/axis/vismach/5axis/table-rotary-tilting/xyzac-trt.ini",
+  "scope": "xyzac_only",
+  "depends_on": ["RELEASE-00"],
+  "direct_inputs": [
+    "run-5axis-rtcp.sh",
+    "scripts/run_axis3_tutorial_native_sequence.py",
+    "linuxcnc/src/emc/usr_intf/axis/extensions/emcmodule.cc",
+    "linuxcnc/src/emc/task/taskintf.cc",
+    "linuxcnc/src/emc/motion/motion.h",
+    "linuxcnc/src/emc/tp/tp_debug.h",
+    "linuxcnc/src/emc/tp/tp.c",
+    "linuxcnc/src/emc/tp/tcq.c",
+    "linuxcnc/src/emc/tp/tc.c",
+    "doc-rtcp/xyzac-trt-full-tp-parity-plan.md"
+  ],
+  "required_outputs": [
+    "scripts/run_xyzac_native_tick_trace.py",
+    "coverage/xyzac-native-tick-trace.report.json",
+    "coverage/task-packets/TP-PARITY-00.handoff.json"
+  ],
+  "observed": {
+    "report": "coverage/xyzac-native-tick-trace.report.json",
+    "report_sha256": "812a0bb8de8438aa18bc16789c40a33bcaadfaf3fcdc704ecf109c4b77bfdbfd",
+    "row_count": 0,
+    "first_blocker": "NATIVE_STAT_BUFFER_INVALID"
+  },
+  "acceptance": [
+    "run-5axis-rtcp.sh launches native LinuxCNC",
+    "linuxcnc.stat captures task/interpreter/motion/queue/pose/joint/current-line fields",
+    "tick source is native taskbeat or explicitly blocked with evidence",
+    "empty queue and queue drain ticks are retained",
+    "source/config/program hashes are recorded",
+    "native trace report is self-hashed",
+    "no claim of full parity before TP-PARITY-06 passes"
+  ],
+  "next_tasks": [
+    "TP-PARITY-01",
+    "TP-PARITY-02",
+    "TP-PARITY-03",
+    "TP-PARITY-04",
+    "TP-PARITY-05",
+    "TP-PARITY-06",
+    "TP-PARITY-07",
+    "TP-PARITY-08"
+  ],
+  "known_blockers": [
+    "native stat API may not expose TP segment geometry; map motion_id and retain explicit unavailable field",
+    "native GUI process requires DISPLAY and cleanup",
+    "full LinuxCNC TP source integration may require ABI-compatible C port rather than simplified queue extension"
+  ],
+  "release_status": "STOP_RELEASE"
+}