fix: prevent double updateUI, move imports to top, label for attributes

js/app.js

@@ -1,3 +1,5 @@
+import { initEingabe } from './eingabe.js';
+
 // Globaler State — aktive Farbe als { h, s, l } (HSL, 0-360, 0-100, 0-100)
 // state.color is read-only from outside — always use setColor() to update,
 // so that the colorChanged event is dispatched to all listening modules.
@@ -22,8 +24,6 @@ document.querySelectorAll('.tab-btn').forEach(btn => {
   });
 });
 
-import { initEingabe } from './eingabe.js';
-
 function addFavorit(hsl) { console.log('addFavorit', hsl); }
 function addColorToSchema(hsl) { console.log('addColorToSchema', hsl); }