Read the homes in one order, so their test does not depend on a map's

The homes come from a map of the user database, and the test compared them in
the order it happened to iterate: it failed one run in four, the repo check
of 2026-10-09 among them.

internal/apply/home_links.go

@@ -42,6 +42,8 @@ var homes = func() []string {
 	for home := range accountsOfHomes() {
 		out = append(out, home)
 	}
+	// In one order: the user database is read into a map, and a map's order is not one.
+	sort.Strings(out)
 	return out
 }
 

internal/apply/home_links_test.go

@@ -196,7 +196,7 @@ func TestHomesAreAPersonsOrAnAgentsNotAServicesOrRoots(t *testing.T) {
 	passwdFile = passwd
 	t.Cleanup(func() { passwdFile = was })
 	got := strings.Join(homes(), ",")
-	if got != "/home/operator,/home/agent,/home/svc" {
+	if got != "/home/agent,/home/operator,/home/svc" {
 		t.Fatalf("homes %s", got)
 	}
 	if homeAbove("/home/agent/.claude") != "/home/agent" || homeAbove("/home/agent") != "" ||