Farmer-Header v2 nach Thomas-Feedback + Default-Musikplayer

- Header nach oben RECHTS (raus aus dem Leaflet-Zoom oben links),
  Geld-Anzeige entfernt (steht in linker Sidebar), Emoji aus Titel,
  Jahr als Badge in die Pille (Konsistenz mit Batch 1), Inter-Font.
- Jahr-Leiste + Anbau-Versuch-Spalte nach unten geschoben (unter Header).
- Komponente: wiederverwendbarer Default-Musikplayer (data-ggs-music,
  Klima-Tracks als Plattform-Standard) + Musik-Widget-Styling fuer Sims
  ohne design-system.css.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

App/assets/js/ggs-header.js

@@ -87,6 +87,43 @@
     new MutationObserver(apply).observe(btn, { childList: true, characterData: true, subtree: true });
   }
 
+  /* Standard-Musikplayer (Klima-Tracks als Plattform-Default) für Sims
+     ohne eigenen Player. Aktiviert per data-ggs-music="default". */
+  // Plattform-Standardmusik (Platzhalter: Klima-Tracks, dort abgelegt)
+  var DEFAULT_TRACKS = [
+    { label: '🎹 Lounge',  file: '/sims/klima/assets/music/piano-lobby.mp3' },
+    { label: '🌿 Ambient', file: '/sims/klima/assets/music/fingertip-rain.mp3' },
+    { label: '🌙 Ruhig',   file: '/sims/klima/assets/music/limestone-lullaby.mp3' },
+    { label: '☕ Chill',    file: '/sims/klima/assets/music/vibrocoffee-calm.mp3' },
+    { label: '🎭 Drama',    file: '/sims/klima/assets/music/rising-pressure.mp3' }
+  ];
+  function buildDefaultMusic() {
+    var wrap = document.createElement('div');
+    wrap.className = 'ggs-music';
+    wrap.id = 'ggs-music';
+    var sel = document.createElement('select');
+    sel.className = 'ggs-music-sel'; sel.id = 'ggs-music-sel'; sel.title = 'Musik wählen';
+    DEFAULT_TRACKS.forEach(function (t) {
+      var o = document.createElement('option'); o.value = t.file; o.textContent = t.label; sel.appendChild(o);
+    });
+    var btn = document.createElement('button');
+    btn.className = 'ggs-music-btn'; btn.id = 'ggs-music-toggle'; btn.type = 'button'; btn.title = 'Play / Pause'; btn.textContent = '▶';
+    var vol = document.createElement('input');
+    vol.type = 'range'; vol.className = 'ggs-music-vol'; vol.id = 'ggs-music-vol';
+    vol.min = 0; vol.max = 100; vol.value = 30; vol.title = 'Lautstärke';
+    wrap.appendChild(sel); wrap.appendChild(btn); wrap.appendChild(vol);
+
+    var audio = new Audio();
+    audio.loop = true; audio.volume = 0.3; audio.src = DEFAULT_TRACKS[0].file;
+    var playing = false;
+    function play() { audio.play().then(function () { playing = true; btn.textContent = '⏸'; btn.classList.add('playing'); }).catch(function () {}); }
+    function pause() { audio.pause(); playing = false; btn.textContent = '▶'; btn.classList.remove('playing'); }
+    btn.addEventListener('click', function (e) { e.stopPropagation(); playing ? pause() : play(); });
+    sel.addEventListener('change', function () { audio.src = sel.value; if (playing) play(); });
+    vol.addEventListener('input', function () { audio.volume = (vol.value || 0) / 100; });
+    return wrap;
+  }
+
   /* ------------------------------------------------------------ */
   function enhance(header, opts) {
     if (!header || header.hasAttribute('data-ggs-enhanced')) return;
@@ -212,7 +249,12 @@
       });
     }
 
-    /* --- 5) Musik-Panel (nur wenn #ggs-music vorhanden) ------- */
+    /* --- 5) Musik-Panel ---------------------------------------- */
+    // Default-Player erzeugen, falls die Sim keinen eigenen Player hat
+    var musicSpec = opts.music || header.getAttribute('data-ggs-music');
+    if (musicSpec && !q('#ggs-music') && actions) {
+      actions.appendChild(buildDefaultMusic());
+    }
     var music = q('#ggs-music');
     var musicWrap = null;
     if (music) {