Profilbild: zufälliger DiceBear-Avatar (Big Smile) pro Kunde

Der Server erzeugt das SVG lokal unter /api/avatar.svg (Seed = Kunden-ID),
es geht also keine Anfrage an dicebear.com. Die Initialen bleiben als
Fallback, bis das Bild geladen ist.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

public/app.js

@@ -1920,6 +1920,20 @@ function showView(name, { updateHash = true } = {}) {
   document.dispatchEvent(new CustomEvent('kb:view', { detail: { name } }))
 }
 
+/* Profilbild (DiceBear Big Smile vom eigenen Server); die Initialen bleiben stehen, bis das Bild geladen ist,
+   und falls es nicht laedt. Die Kunden-ID im Query sorgt dafuer, dass "Als Kunde ansehen" nicht das gecachte Bild zeigt. */
+function setAvatar(el, initials, seed) {
+  if (!el) return
+  el.textContent = initials
+  el.dataset.initials = initials
+  if (!seed) return
+  const img = new Image()
+  img.alt = ''
+  img.decoding = 'async'
+  img.onload = () => { el.textContent = ''; el.appendChild(img); el.classList.add('has-img') }
+  img.src = `/api/avatar.svg?c=${encodeURIComponent(seed)}`
+}
+
 function initialsOf(name) {
   const words = String(name || '').split(/\s+/).filter((w) => /^[\p{L}\p{N}]/u.test(w))
   const letters = words.length > 1 ? words[0][0] + words[1][0] : (words[0] || '').slice(0, 2)
@@ -1985,7 +1999,7 @@ async function initDashboardPage() {
     document.getElementById('customer-name').textContent = displayName
     document.getElementById('customer-meta').textContent =
       [customer.code ? `Kundennr. ${customer.code}` : '', customer.email].filter(Boolean).join(' · ')
-    document.getElementById('customer-avatar').textContent = initialsOf(displayName)
+    setAvatar(document.getElementById('customer-avatar'), initialsOf(displayName), customer.id)
 
     api('/api/contact')
       .then((c) => {
@@ -2212,7 +2226,11 @@ function initAccountSheet() {
   const fill = () => {
     document.getElementById('kb-sheet-name').textContent = document.getElementById('customer-name')?.textContent || 'Mein Konto'
     document.getElementById('kb-sheet-meta').textContent = document.getElementById('customer-meta')?.textContent || ''
-    document.getElementById('kb-sheet-avatar').textContent = avatar.textContent
+    const sheetAvatar = document.getElementById('kb-sheet-avatar')
+    const img = avatar.querySelector('img')
+    sheetAvatar.textContent = img ? '' : avatar.textContent
+    sheetAvatar.classList.toggle('has-img', Boolean(img))
+    if (img) sheetAvatar.appendChild(img.cloneNode())
     renderInstallOffers()
   }
   if (typeof sheet.showModal !== 'function') {