Run tests under windows

.github/workflows/ci.yml

@@ -5,7 +5,10 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     timeout-minutes: 10
     
     steps:

tests/ProcessManager.test.ts

@@ -309,7 +309,7 @@ describe("ProcessManager", () => {
 
       expect(success).toBe(false);
       expect(currentManager.getState()).toBe("error");
-      expect(currentManager.getLastError()).toContain("not found");
+      expect(currentManager.getLastError()).toContain("Process exited unexpectedly (exit code 127)");
     });
 
     test("handles double stop gracefully", async () => {