Implement AXIS parity UI and execution baseline

web/workspace/test_sim_case_loader.mjs

@@ -0,0 +1,30 @@
+import assert from "node:assert/strict";
+import { readFile } from "node:fs/promises";
+import { loadSimulationCase, toWorkerConfiguration } from "./sim-case-loader.mjs";
+
+const fetchImpl = async (url) => {
+  const path = new URL(`../../${String(url).replace(/^\//, "")}`, import.meta.url);
+  try {
+    const body = await readFile(path);
+    return { ok: true, text: async () => body.toString("utf8") };
+  } catch {
+    return { ok: false, text: async () => "" };
+  }
+};
+
+const ready = await loadSimulationCase({ path: "linuxcnc/configs/sim/axis/corexy/corexy_by_hal.ini", fetchImpl });
+assert.equal(ready.status, "ready");
+assert.ok(ready.files["linuxcnc/configs/sim/axis/corexy/corexy_base.inc"]);
+assert.ok(ready.files["linuxcnc/configs/sim/axis/corexy/3joint_xyz.hal"]);
+assert.ok(ready.files["linuxcnc/configs/sim/axis/corexy/corexy_by_hal.hal"]);
+assert.equal(toWorkerConfiguration(ready).entrypoint, ready.entrypoint);
+assert.match(ready.state_hash, /^fnv1a64:/);
+
+const blocked = await loadSimulationCase({ path: "linuxcnc/configs/sim/axis/anglejog/anglejog.ini", fetchImpl });
+assert.equal(blocked.status, "blocked");
+assert.ok(blocked.missing.includes("linuxcnc/configs/sim/axis/anglejog/anglejog.var"));
+assert.equal(blocked.catalog.status, "blocked");
+assert.equal((await loadSimulationCase({ path: ready.entrypoint, fetchImpl })).state_hash, ready.state_hash);
+assert.ok(ready.files["linuxcnc/configs/sim/axis/corexy/linuxcnc.var"]);
+assert.ok(ready.files["linuxcnc/configs/sim/axis/corexy/tool.tbl"]);
+console.log(JSON.stringify({ schema: "simulation-case-loader-sample.v1", status: "verified", case: { entrypoint: ready.entrypoint, files: ready.fetched.length, missing: ready.missing.length, state_hash: ready.state_hash }, blocked: { entrypoint: blocked.entrypoint, missing: blocked.missing.length, state_hash: blocked.state_hash } }));