claude overtook and fixes

tests/auth.test.ts

@@ -42,6 +42,29 @@ describe("SessionManager", () => {
     expect(sessionManager.buildCookieHeader(session)).toBe("B1SESSION=abc123; ROUTEID=.node1");
   });
 
+  it("sends the language as an integer code to the Login action", async () => {
+    const http = {
+      post: vi.fn().mockResolvedValue({
+        data: { SessionId: "abc123", SessionTimeout: 30 },
+        headers: {}
+      })
+    };
+
+    const sessionManager = new SessionManager(http as never, { ...config, language: "3" });
+    await sessionManager.getSession();
+
+    expect(http.post).toHaveBeenCalledWith(
+      "/Login",
+      {
+        CompanyDB: "SBODEMOUS",
+        UserName: "manager",
+        Password: "secret",
+        Language: 3
+      },
+      { skipAuth: true }
+    );
+  });
+
   it("logs out and clears the current session", async () => {
     const http = {
       post: vi
@@ -57,7 +80,10 @@ describe("SessionManager", () => {
     await sessionManager.getSession();
     await sessionManager.logout();
 
-    expect(http.post).toHaveBeenLastCalledWith("/Logout", undefined, { skipAuth: false });
+    expect(http.post).toHaveBeenLastCalledWith("/Logout", undefined, {
+      skipAuth: true,
+      headers: { Cookie: "B1SESSION=abc123" }
+    });
     expect(sessionManager.currentSession).toBeUndefined();
   });
 });