Add Android app: phone UI for hosts, SSH terminal with extra key row, keys, snippets, LAN sync and app lock (password + fingerprint), reusing the desktop Node modules via capacitor-nodejs; APKs per ABI in releases for Obtainium

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

src/main/ssh.js

@@ -35,7 +35,7 @@ class SshManager {
     const cfg = {
       host: host.address,
       port: Number(host.port) || 22,
-      username: host.username || os.userInfo().username,
+      username: host.username || (() => { try { return os.userInfo().username; } catch { return 'root'; } })(),
       readyTimeout: 20000,
       keepaliveInterval: (this.store.get().settings.keepAlive || 0) * 1000,
       tryKeyboard: true,

src/main/sync.js

@@ -193,7 +193,7 @@ class SyncService {
     d.sync ||= { enabled: false, peers: [], share: { keys: [], hosts: [], vpns: [] } };
     const s = d.sync;
     if (!s.deviceId) s.deviceId = crypto.randomUUID();
-    if (!s.deviceName) s.deviceName = os.hostname();
+    if (!s.deviceName) s.deviceName = process.env.MRTERM_DEVICE || os.hostname();
     s.peers ||= []; s.share ||= { keys: [], hosts: [], vpns: [] };
     return s;
   }
@@ -241,7 +241,9 @@ class SyncService {
   // ------------------------------------------------ Finden
   broadcastAddrs() {
     const out = new Set(['255.255.255.255']);
-    for (const list of Object.values(os.networkInterfaces())) {
+    let ifaces = {};
+    try { ifaces = os.networkInterfaces(); } catch {} // Android: je nach Version eingeschränkt
+    for (const list of Object.values(ifaces)) {
       for (const a of list || []) {
         if (a.family !== 'IPv4' || a.internal) continue;
         const ip = a.address.split('.').map(Number), mask = a.netmask.split('.').map(Number);