扩展解释器WASM夹具覆盖

结论：解释器核心WASM验证已从minimal_linear扩展到弧、单位、增量、平面和坐标偏置等第一批基础夹具，仍直接调用LinuxCNC解释器源码。

wasm-port/tests/wasm/node/verify_interp_wasm.mjs

@@ -40,23 +40,37 @@ const interp = await createLinuxCncInterpModule({
   },
 });
 
-const fixtureName = "minimal_linear";
-const programText = readFileSync(
-  resolve(rootDir, `tests/fixtures/gcode/${fixtureName}.ngc`),
-  "utf8",
-);
-const expectedEvents = readFileSync(
-  resolve(rootDir, `tests/fixtures/canon/${fixtureName}.events`),
-  "utf8",
-).trimEnd();
+const fixtureNames = [
+  "minimal_linear",
+  "arc_semantics",
+  "length_units",
+  "modal_incremental",
+  "plane_selection",
+  "coordinate_offsets",
+];
 
-const output = runProgram(interp, programText);
-const actualEventSet = new Set(
-  output.split("\n").filter((line) => line.startsWith("canon_event=")),
-);
-const expectedEventLines = expectedEvents.split("\n").filter(Boolean);
+for (const fixtureName of fixtureNames) {
+  const programText = readFileSync(
+    resolve(rootDir, `tests/fixtures/gcode/${fixtureName}.ngc`),
+    "utf8",
+  );
+  const expectedEvents = readFileSync(
+    resolve(rootDir, `tests/fixtures/canon/${fixtureName}.events`),
+    "utf8",
+  ).trimEnd();
 
-for (const expectedEvent of expectedEventLines) {
-  assert.equal(actualEventSet.has(expectedEvent), true, expectedEvent);
+  const output = runProgram(interp, programText);
+  const actualEventSet = new Set(
+    output.split("\n").filter((line) => line.startsWith("canon_event=")),
+  );
+  const expectedEventLines = expectedEvents.split("\n").filter(Boolean);
+
+  for (const expectedEvent of expectedEventLines) {
+    assert.equal(
+      actualEventSet.has(expectedEvent),
+      true,
+      `${fixtureName}: ${expectedEvent}`,
+    );
+  }
 }
 console.log("interp_wasm_node_smoke=ok");