feat(dashboard): availability-by-speed panel in Supply Squeeze (class + price trend + why per tier)

packages/dashboard/index.html

@@ -8129,12 +8129,51 @@ async function loadSwitchCompat() {
 }
 
 /* ── C: Supply Squeeze Detector ────────────────────────────────────────── */
+
+/* ── Verfügbarkeit pro Speed-Tier (mit Warum-Begründung) ────────────────── */
+async function renderAvailabilityPanel() {
+  var host = el('proc-squeeze-summary');
+  if (!host) return;
+  try {
+    var d = await api('/api/procurement/availability');
+    var tiers = (d && d.tiers) || [];
+    if (!tiers.length) return;
+    var meta = {
+      scarce:      { c:'#ef4444', bg:'rgba(239,68,68,0.10)', lbl:'KNAPP' },
+      constrained: { c:'#f97316', bg:'rgba(249,115,22,0.10)', lbl:'eng' },
+      moderate:    { c:'#f59e0b', bg:'rgba(245,158,11,0.10)', lbl:'moderat' },
+      abundant:    { c:'#22c55e', bg:'rgba(34,197,94,0.10)', lbl:'breit' }
+    };
+    function spd(g){ return g>=1000 ? (g/1000)+'T' : g+'G'; }
+    var html = '<div style="margin-bottom:1rem">'
+      + '<div style="font-size:0.8rem;font-weight:700;color:var(--text-bright);margin-bottom:0.5rem">📦 Verfügbarkeit nach Geschwindigkeit <span style="font-weight:400;color:var(--text-dim);font-size:0.7rem">— aus Anbieter-Diversität, Stock-Coverage &amp; Preis-Momentum (echte Daten)</span></div>'
+      + '<div style="display:flex;gap:0.5rem;flex-wrap:wrap">';
+    tiers.forEach(function(t) {
+      var m = meta[t.availability] || meta.moderate;
+      var pt = t.price_trend, pd = t.price_delta_pct;
+      var priceTag = pt==='rising' ? '<span style="color:#ef4444">▲ +'+pd+'%</span>' : pt==='falling' ? '<span style="color:#22c55e">▼ '+pd+'%</span>' : '<span style="color:var(--text-dim)">→ stabil</span>';
+      html += '<div title="' + esc(t.why || '') + '" style="flex:1;min-width:150px;border:1px solid '+m.c+'44;background:'+m.bg+';border-radius:9px;padding:0.6rem 0.7rem">'
+        + '<div style="display:flex;align-items:baseline;justify-content:space-between">'
+        + '<span style="font-size:1.05rem;font-weight:800;color:var(--text-bright)">'+spd(t.speed_gbps)+'</span>'
+        + '<span style="font-size:0.62rem;font-weight:800;color:'+m.c+';text-transform:uppercase;letter-spacing:0.03em">'+m.lbl+'</span>'
+        + '</div>'
+        + '<div style="font-size:0.68rem;color:var(--text-dim);margin-top:2px">'+t.suppliers+' Anbieter · '+(t.in_stock_pct!=null?t.in_stock_pct+'% stock':'k.A.')+' · '+priceTag+'</div>'
+        + '<div style="font-size:0.66rem;color:var(--text-dim);margin-top:5px;line-height:1.35">'+esc((t.why||'').charAt(0).toUpperCase()+(t.why||'').slice(1))+'</div>'
+        + '</div>';
+    });
+    html += '</div></div>';
+    // prepend to summary (before the squeeze severity badges, which get set after)
+    host.insertAdjacentHTML('afterbegin', html);
+  } catch(e) { /* silent */ }
+}
+
 async function loadSupplySqueeze() {
   var token = (window.loadToken ? window.loadToken() : '') || '';
   var summEl = el('proc-squeeze-summary');
   var listEl = el('proc-squeeze-list');
   if (listEl) listEl.innerHTML = '<div style="color:var(--text-dim)">Analysiere Preis- & Nachfragesignale…</div>';
   try {
+    renderAvailabilityPanel();
     var r = await fetch('/api/procurement/supply-squeeze', { headers: { 'Authorization': 'Bearer ' + token } });
     var d = await r.json();
     if (!d.success) throw new Error(d.error);