diff --git a/backend/routes/friends.py b/backend/routes/friends.py
index df7c96a..cac5f4b 100644
--- a/backend/routes/friends.py
+++ b/backend/routes/friends.py
@@ -32,6 +32,7 @@ async def list_friends(user=Depends(get_current_user)):
                    u.name AS friend_name,
                    u.bio, u.wohnort, u.erfahrung, u.social_link,
                    u.profil_sichtbarkeit, u.avatar_url,
+                   u.is_founder, u.is_partner, u.founder_number,
                    {dogs_sq} AS dogs_json
             FROM friendships f
             JOIN users u ON u.id = CASE WHEN f.requester_id=? THEN f.addressee_id ELSE f.requester_id END
@@ -92,6 +93,7 @@ async def search_users(q: str = "", user=Depends(get_current_user)):
             SELECT u.id, u.name,
                    u.bio, u.wohnort, u.erfahrung, u.social_link,
                    u.profil_sichtbarkeit, u.avatar_url,
+                   u.is_founder, u.is_partner, u.founder_number,
                    (SELECT json_group_array(json_object('name', d.name, 'rasse', d.rasse))
                     FROM dogs d WHERE d.user_id=u.id AND d.is_public=1) AS dogs_json
             FROM users u
diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index a9732a2..668140f 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '531'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '532'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.1.1'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 
diff --git a/backend/static/js/pages/friends.js b/backend/static/js/pages/friends.js
index 837474c..3f2e690 100644
--- a/backend/static/js/pages/friends.js
+++ b/backend/static/js/pages/friends.js
@@ -610,10 +610,23 @@ window.Page_friends = (() => {
                           margin-bottom:var(--space-4)">${parts.join('')}</div>`;
     })();
 
+    const badgesHTML = (profile.is_founder || profile.is_partner) ? `
+      <div style="display:flex;gap:var(--space-2);margin-bottom:var(--space-3);flex-wrap:wrap">
+        ${profile.is_founder ? `<span class="badge" style="background:#7c3aed;color:#fff">
+          <svg class="ph-icon" aria-hidden="true" style="width:12px;height:12px"><use href="/icons/phosphor.svg#key"></use></svg>
+          ${profile.founder_number ? `Gründer #${profile.founder_number}` : 'Gründer'}
+        </span>` : ''}
+        ${profile.is_partner ? `<span class="badge" style="background:#0ea5e9;color:#fff">
+          <svg class="ph-icon" aria-hidden="true" style="width:12px;height:12px"><use href="/icons/phosphor.svg#handshake"></use></svg>
+          Partner
+        </span>` : ''}
+      </div>` : '';
+
     UI.modal.open({
       title: _esc(friendName),
       body: `
         <div>
+          ${badgesHTML}
           ${profileInfoHTML}
           <div class="by-section-label">${dogs.length === 1 ? 'Hund' : 'Hunde'}</div>
           ${dogsHTML}
@@ -667,10 +680,12 @@ window.Page_friends = (() => {
                         ${i < results.length - 1 ? 'border-bottom:1px solid var(--c-border)' : ''}">
               ${_userAvatar(u.name, null, u.avatar_url)}
               <div style="flex:1;min-width:0">
-                <div style="display:flex;align-items:center;flex-wrap:wrap;gap:2px;
+                <div style="display:flex;align-items:center;flex-wrap:wrap;gap:4px;
                              margin-bottom:2px">
                   <span style="font-size:var(--text-sm);font-weight:var(--weight-semibold);
                                color:var(--c-text)">${_esc(u.name)}</span>
+                  ${u.is_founder ? `<span style="font-size:10px;font-weight:700;background:#7c3aed;color:#fff;padding:1px 5px;border-radius:4px">${u.founder_number ? `Gründer #${u.founder_number}` : 'Gründer'}</span>` : ''}
+                  ${u.is_partner ? `<span style="font-size:10px;font-weight:700;background:#0ea5e9;color:#fff;padding:1px 5px;border-radius:4px">Partner</span>` : ''}
                   ${_erfahrungSpan(u.erfahrung)}
                 </div>
                 ${_wohnortLine(u.wohnort)}
diff --git a/backend/static/sw.js b/backend/static/sw.js
index f9233a2..0b1e344 100644
--- a/backend/static/sw.js
+++ b/backend/static/sw.js
@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v554';
+const CACHE_VERSION = 'by-v555';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache