Feature: E-Mail-Verifikation + Forum öffentlich lesbar + Launch-Vorbereitung

- Forum ohne requiresAuth: öffentlich lesbar, Schreiben weiter via API-Guard
- E-Mail-Verifikation: Token bei Registrierung, support@-Mail, /verify-email/{token}
- Verifikations-Banner (orange, dismissible) wenn email_verified=0
- Grüner Haken / "Nicht bestätigt"-Chip in Settings
- POST /auth/resend-verification für Chip und Banner
- DB-Migration: users.verification_token TEXT
- SW by-v575, APP_VER 552

backend/static/js/pages/settings.js

@@ -138,7 +138,15 @@ window.Page_settings = (() => {
                    style="display:none">
             <div>
               <div style="font-weight:700;font-size:var(--text-lg)">${_esc(u.name)}</div>
-              <div style="color:var(--c-text-secondary);font-size:var(--text-sm)">${_esc(u.email)}</div>
+              <div style="display:flex;align-items:center;gap:var(--space-2);color:var(--c-text-secondary);font-size:var(--text-sm)">
+                ${_esc(u.email)}
+                ${u.email_verified
+                  ? `<svg class="ph-icon" aria-hidden="true" style="width:14px;height:14px;color:#22c55e" title="Bestätigt"><use href="/icons/phosphor.svg#check-circle"></use></svg>`
+                  : `<span id="settings-verify-chip"
+                          style="font-size:10px;background:#fef3c7;color:#d97706;padding:1px 7px;
+                                 border-radius:999px;cursor:pointer;white-space:nowrap"
+                          title="E-Mail noch nicht bestätigt">Nicht bestätigt</span>`}
+              </div>
               <div style="display:flex;flex-wrap:wrap;gap:var(--space-1);margin-top:var(--space-1)">
                 ${u.is_premium
                   ? `<span class="badge badge-primary">
@@ -480,6 +488,12 @@ window.Page_settings = (() => {
     });
 
     // Avatar-Hover-Overlay
+    // E-Mail-Verifikation: Chip → erneut senden
+    document.getElementById('settings-verify-chip')?.addEventListener('click', async () => {
+      await API.post('/auth/resend-verification', {});
+      UI.toast.success('Bestätigungs-Mail gesendet — bitte prüfe dein Postfach.');
+    });
+
     const avatarBtn = document.getElementById('settings-avatar-btn');
     const avatarOverlay = avatarBtn?.querySelector('.avatar-overlay');
     if (avatarBtn && avatarOverlay) {