diff --git a/src/cli/windows-argv.test.ts b/src/cli/windows-argv.test.ts
new file mode 100644
index 00000000000..6c05b221c9c
--- /dev/null
+++ b/src/cli/windows-argv.test.ts
@@ -0,0 +1,38 @@
+import { describe, expect, it } from "vitest";
+import { normalizeWindowsArgv } from "./windows-argv.js";
+
+describe("normalizeWindowsArgv", () => {
+  it("returns argv unchanged on non-windows platforms", () => {
+    const argv = ["node", "ironclaw", "status"];
+    expect(
+      normalizeWindowsArgv(argv, {
+        platform: "darwin",
+      }),
+    ).toEqual(argv);
+  });
+
+  it("removes duplicated node executable arguments on windows", () => {
+    const execPath = "C:\\Program Files\\nodejs\\node.exe";
+    const argv = ["node", execPath, "C:\\repo\\openclaw.mjs", execPath, "status"];
+
+    expect(
+      normalizeWindowsArgv(argv, {
+        platform: "win32",
+        execPath,
+      }),
+    ).toEqual(["node", "C:\\repo\\openclaw.mjs", "status"]);
+  });
+
+  it("strips control chars and wrapping quotes before exec-path matching", () => {
+    const execPath = "C:\\Program Files\\nodejs\\node.exe";
+    const argv = ["node", `"\u0000${execPath}\u0000"`, "C:\\repo\\openclaw.mjs", "status"];
+
+    expect(
+      normalizeWindowsArgv(argv, {
+        platform: "win32",
+        execPath,
+        existsSync: () => true,
+      }),
+    ).toEqual(["node", "C:\\repo\\openclaw.mjs", "status"]);
+  });
+});