Ship AIVPN smart protocol picker and bump to v3.0.0.

Heuristic selection (stealth/balanced/speed) for invites, guest create, and user connections.

Co-authored-by: Cursor <cursoragent@cursor.com>

templates/invites.html

@@ -197,7 +197,7 @@
     const xuiDefaultInbound = {{ xui_default_inbound | int }};
     const xuiDefaultPanelId = {{ (xui_default_panel_id or '') | tojson }};
     const VPN_PROTO_ORDER = ['awg2', 'awg', 'awg_legacy', 'wireguard', 'xray', 'telemt', 'hysteria', 'naiveproxy', 'mieru'];
-    const PROTO_TITLES = {
+        const PROTO_TITLES = {
         awg2: 'AmneziaWG 2.0',
         awg: 'AmneziaWG',
         awg_legacy: 'AWG Legacy',
@@ -207,6 +207,7 @@
         hysteria: 'Hysteria 2',
         naiveproxy: 'NaiveProxy',
         mieru: 'Mieru',
+        aivpn: 'AIVPN (auto)',
         xui: '3x-ui VLESS',
     };
 
@@ -264,6 +265,12 @@
             return;
         }
 
+        const aivpnOpt = document.createElement('option');
+        aivpnOpt.value = 'aivpn';
+        aivpnOpt.textContent = _('aivpn_protocol_option') || 'AIVPN (auto)';
+        if (preferProtocol === 'aivpn') aivpnOpt.selected = true;
+        sel.appendChild(aivpnOpt);
+
         installed.forEach(key => {
             const opt = document.createElement('option');
             opt.value = key;