Fix Windows CI test failures

Set USERPROFILE alongside HOME in remote_test.go so os.UserHomeDir()
resolves to the temp dir on Windows. Skip Unix file permission assertion
in TestTokenFilePermissions on Windows where 0600 is not enforceable.

Author: daniel-garcia

internal/config/remote_test.go

@@ -77,6 +77,7 @@ func TestFetchRemoteImportRoot_RemoteFails_CachedCatalog(t *testing.T) {
 	// Create a temp cache directory with a catalog
 	tmpHome := t.TempDir()
 	t.Setenv("HOME", tmpHome)
+	t.Setenv("USERPROFILE", tmpHome) // Windows: os.UserHomeDir uses USERPROFILE
 
 	cacheDir := filepath.Join(tmpHome, ".cache", "apx", "catalogs", "acme", "apis")
 	if err := os.MkdirAll(cacheDir, 0o755); err != nil {
@@ -106,6 +107,7 @@ func TestFetchRemoteImportRoot_AllFail(t *testing.T) {
 	// No cached catalog either (temp HOME has nothing)
 	tmpHome := t.TempDir()
 	t.Setenv("HOME", tmpHome)
+	t.Setenv("USERPROFILE", tmpHome) // Windows: os.UserHomeDir uses USERPROFILE
 
 	result := FetchRemoteImportRoot("acme", "apis")
 	assert.Equal(t, "", result)
@@ -125,6 +127,7 @@ func TestFetchRemoteImportRoot_MalformedYAML(t *testing.T) {
 
 	tmpHome := t.TempDir()
 	t.Setenv("HOME", tmpHome)
+	t.Setenv("USERPROFILE", tmpHome) // Windows: os.UserHomeDir uses USERPROFILE
 
 	result := FetchRemoteImportRoot("acme", "apis")
 	assert.Equal(t, "", result)
@@ -165,6 +168,7 @@ func TestFetchRemoteImportRoot_GHEndpoint(t *testing.T) {
 
 	tmpHome := t.TempDir()
 	t.Setenv("HOME", tmpHome)
+	t.Setenv("USERPROFILE", tmpHome) // Windows: os.UserHomeDir uses USERPROFILE
 
 	FetchRemoteImportRoot("myorg", "apis")
 	assert.Equal(t, "repos/myorg/apis/contents/apx.yaml", capturedEndpoint)

pkg/githubauth/token_test.go

@@ -3,6 +3,7 @@ package githubauth
 import (
 	"os"
 	"path/filepath"
+	"runtime"
 	"testing"
 	"time"
 
@@ -85,7 +86,10 @@ func TestTokenFilePermissions(t *testing.T) {
 	info, err := os.Stat(p)
 	require.NoError(t, err)
 	// File should be readable/writable only by owner (0600).
-	assert.Equal(t, os.FileMode(0600), info.Mode().Perm())
+	// Windows does not support Unix file permission bits.
+	if runtime.GOOS != "windows" {
+		assert.Equal(t, os.FileMode(0600), info.Mode().Perm())
+	}
 }
 
 func TestReadWriteCache(t *testing.T) {