继续推进：浏览器批量验证LinuxCNC配置入口

结论：浏览器 WASM smoke 已读取 LinuxCNC 生成的 64 个 switchkins 配置用例，覆盖 config/MACHINE/KINEMATICS/HALFILE 入口；native 与 source-link 验证通过。

web/test-browser-wasm-smoke.html

@@ -44,6 +44,37 @@
               throw new Error(`missing LinuxCNC WASM browser M${427 + line} switchkins type ${kinstype}`);
             }
           }
+
+          const configCaseResponse = await fetch("/public/linuxcnc_switchkins_remap_config_cases.json");
+          if (!configCaseResponse.ok) {
+            throw new Error(`failed to load LinuxCNC switchkins config cases: ${configCaseResponse.status}`);
+          }
+          const configCases = await configCaseResponse.json();
+          if (!Array.isArray(configCases) || configCases.length === 0) {
+            throw new Error("missing LinuxCNC switchkins config cases");
+          }
+          for (const configCase of configCases) {
+            const options = {
+              backend: "linuxcnc-rs274",
+              [configCase.field]: configCase.value,
+            };
+            const program = configCase.m430 >= 0 ? "M428\nM429\nM430\n" : "M428\nM429\n";
+            const configEvents = simulator.parse(program, "linuxcnc", options);
+            for (const [line, kinstype] of [
+              [1, configCase.m428],
+              [2, configCase.m429],
+              ...(configCase.m430 >= 0 ? [[3, configCase.m430]] : []),
+            ]) {
+              const sawSwitch = configEvents.some(
+                (event) => event.type === "kinematics-switch" && event.line === line && event.reserved === kinstype,
+              );
+              if (!sawSwitch) {
+                throw new Error(
+                  `missing LinuxCNC WASM browser generated ${configCase.field}=${configCase.value} line ${line} switchkins type ${kinstype}`,
+                );
+              }
+            }
+          }
           result.textContent = "browser wasm smoke passed";
         } finally {
           simulator.dispose();