0.2.72 - Magic button, Next up fixes

server/internal/api/preferences_test.go

@@ -30,6 +30,34 @@ func TestNormalizePreferencesDropsUnknownKeys(t *testing.T) {
 	}
 }
 
+func TestNormalizePreferencesBoundsAndNormalisesProfileInitials(t *testing.T) {
+	if got := normalizePreferences(map[string]any{"profileInitials": " mc "})["profileInitials"]; got != "MC" {
+		t.Errorf("profileInitials = %v, want MC", got)
+	}
+	for _, value := range []any{"MAT", "M\nC", 12} {
+		if got := normalizePreferences(map[string]any{"profileInitials": value})["profileInitials"]; got != "" {
+			t.Errorf("profileInitials for %v = %v, want automatic fallback", value, got)
+		}
+	}
+}
+
+func TestDevicePreferenceWritePreservesAdminInitials(t *testing.T) {
+	stored, err := json.Marshal(normalizePreferences(map[string]any{"profileInitials": "MC"}))
+	if err != nil {
+		t.Fatal(err)
+	}
+	merged := preserveAdminPreferences(map[string]any{
+		"profileInitials": "XX", "showTitleLogo": false,
+	}, stored)
+	normalised := normalizePreferences(merged)
+	if normalised["profileInitials"] != "MC" {
+		t.Errorf("profileInitials = %v, want preserved MC", normalised["profileInitials"])
+	}
+	if normalised["showTitleLogo"] != false {
+		t.Errorf("showTitleLogo = %v, want device change false", normalised["showTitleLogo"])
+	}
+}
+
 func TestNormalizePreferencesRejectsIllegalValues(t *testing.T) {
 	result := normalizePreferences(map[string]any{
 		"homeCardDensity":  "enormous",