Complete 3axis tutorial native and Web/WASM parity tools

tool/linuxcnc-web-wasm-manual-execution/SKILL.md

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+---
+name: linuxcnc-web-wasm-manual-execution
+description: "Run the selected 3axis-tutorial LinuxCNC Web/WASM panel in a real browser and compare the observable workflow with native AXIS."
+---
+
+# LinuxCNC Web/WASM Manual Execution
+
+This tool is the browser-side counterpart to
+`tool/linuxcnc-axis-manual-execution`. It is simulation-only and targets the
+exact `3axis-tutorial` case.
+
+The runner starts the production React preview, uses a real Chromium page with
+the built WASM module and Dedicated Worker, sends user-level DOM/keyboard
+events, captures screenshots and DOM state, then closes the preview/browser.
+It must not replace the browser Worker with a mock, JS G-code preview, or a
+Node-only session.
+
+Run it from the repository root:
+
+```bash
+python3 tool/linuxcnc-web-wasm-manual-execution/run_web_axis_manual.py
+```
+
+Required success evidence:
+
+- the page title and selected `3axis-tutorial` case;
+- `TASK_READY`/machine state visible in the panel;
+- E-stop, power, Home All, and Run controls exercised through the DOM;
+- changing authoritative DRO and a non-empty Three.js canvas;
+- program completion at `M2`/idle or an explicit Worker diagnostic;
+- screenshot and DOM hashes;
+- preview/browser cleanup after the run.
+
+The resulting report is written to
+`coverage/axis3-tutorial-web-manual-verification.report.json`.