Fixing unit tests on windows (#813)

* Add Windows stub for orphan cleanup

* Fix account switch tests on Windows

* Make query session events test portable

* Disable beads daemon in query session events test

* Add Windows bd stubs for sling tests

* Make expandOutputPath test OS-agnostic

* Make role_agents test Windows-friendly

* Make config path tests OS-agnostic

* Make HealthCheckStateFile test OS-agnostic

* Skip orphan process check on Windows

* Normalize sparse checkout detail paths

* Make dog path tests OS-agnostic

* Fix bare repo refspec config on Windows

* Add Windows process detection for locks

* Add Windows CI workflow

* Make mail path tests OS-agnostic

* Skip plugin file mode test on Windows

* Skip tmux-dependent polecat tests on Windows

* Normalize polecat paths and AGENTS.md content

* Make beads init failure test Windows-friendly

* Skip rig agent bead init test on Windows

* Make XDG path tests OS-agnostic

* Make exec tests portable on Windows

* Adjust atomic write tests for Windows

* Make wisp tests Windows-friendly

* Make workspace find tests OS-agnostic

* Fix Windows rig add integration test

* Make sling var logging Windows-friendly

* Fix sling attached molecule update ordering

---------

Co-authored-by: Johann Dirry <johann.dirry@microsea.at>

internal/cmd/test_helpers_test.go

@@ -0,0 +1,61 @@
+package cmd
+
+import (
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"testing"
+)
+
+// buildGT builds the gt binary and returns its path.
+// It caches the build across tests in the same run.
+var cachedGTBinary string
+
+func buildGT(t *testing.T) string {
+	t.Helper()
+
+	if cachedGTBinary != "" {
+		// Verify cached binary still exists
+		if _, err := os.Stat(cachedGTBinary); err == nil {
+			return cachedGTBinary
+		}
+		// Binary was cleaned up, rebuild
+		cachedGTBinary = ""
+	}
+
+	// Find project root (where go.mod is)
+	wd, err := os.Getwd()
+	if err != nil {
+		t.Fatalf("failed to get working directory: %v", err)
+	}
+
+	// Walk up to find go.mod
+	projectRoot := wd
+	for {
+		if _, err := os.Stat(filepath.Join(projectRoot, "go.mod")); err == nil {
+			break
+		}
+		parent := filepath.Dir(projectRoot)
+		if parent == projectRoot {
+			t.Fatal("could not find project root (go.mod)")
+		}
+		projectRoot = parent
+	}
+
+	// Build gt binary to a persistent temp location (not per-test)
+	tmpDir := os.TempDir()
+	binaryName := "gt-integration-test"
+	if runtime.GOOS == "windows" {
+		binaryName += ".exe"
+	}
+	tmpBinary := filepath.Join(tmpDir, binaryName)
+	cmd := exec.Command("go", "build", "-o", tmpBinary, "./cmd/gt")
+	cmd.Dir = projectRoot
+	if output, err := cmd.CombinedOutput(); err != nil {
+		t.Fatalf("failed to build gt: %v\nOutput: %s", err, output)
+	}
+
+	cachedGTBinary = tmpBinary
+	return tmpBinary
+}