Improve KeePassGO vault navigation UX

main_test.go

@@ -1694,6 +1694,53 @@ func TestUIRequiresExplicitEditModeForEntryEditor(t *testing.T) {
 	}
 }
 
+func TestUIAutoEntersSingleVaultRootGroupAndDisplaysSlashRoot(t *testing.T) {
+	t.Parallel()
+
+	path := filepath.Join(t.TempDir(), "keepass.kdbx")
+	var encoded bytes.Buffer
+	if err := vault.SaveKDBX(&encoded, vault.Model{
+		Entries: []vault.Entry{
+			{ID: "git-server", Title: "Git Server", Path: []string{"keepass", "Joe", "Internet"}},
+		},
+	}, "correct horse battery staple"); err != nil {
+		t.Fatalf("SaveKDBX() error = %v", err)
+	}
+	if err := os.WriteFile(path, encoded.Bytes(), 0o600); err != nil {
+		t.Fatalf("WriteFile(keepass.kdbx) error = %v", err)
+	}
+
+	u := newUIWithSession("desktop", &session.Manager{})
+	u.masterPassword.SetText("correct horse battery staple")
+	u.vaultPath.SetText(path)
+	if err := u.openVaultAction(); err != nil {
+		t.Fatalf("openVaultAction() error = %v", err)
+	}
+
+	if got := u.currentPath; !slices.Equal(got, []string{"keepass"}) {
+		t.Fatalf("currentPath = %v, want [keepass]", got)
+	}
+	if got := u.displayPath(); len(got) != 0 {
+		t.Fatalf("displayPath() = %v, want root slash path", got)
+	}
+	if got := u.childGroups(); !slices.Equal(got, []string{"Joe"}) {
+		t.Fatalf("childGroups() = %v, want [Joe]", got)
+	}
+}
+
+func TestUINoteRecentVaultDeduplicatesAndOrdersMostRecentFirst(t *testing.T) {
+	t.Parallel()
+
+	u := newUIWithSession("desktop", &session.Manager{})
+	u.noteRecentVault("/tmp/one.kdbx")
+	u.noteRecentVault("/tmp/two.kdbx")
+	u.noteRecentVault("/tmp/one.kdbx")
+
+	if got := u.recentVaults; !slices.Equal(got, []string{"/tmp/one.kdbx", "/tmp/two.kdbx"}) {
+		t.Fatalf("recentVaults = %v, want [/tmp/one.kdbx /tmp/two.kdbx]", got)
+	}
+}
+
 func TestUICopyActionsWriteExpectedClipboardContentsAndSanitizedFeedback(t *testing.T) {
 	t.Parallel()