diff --git a/server/broadcast.js b/server/broadcast.js
index 87ccf43..bb649c8 100755
--- a/server/broadcast.js
+++ b/server/broadcast.js
@@ -2,6 +2,7 @@ import crypto from 'crypto';
 import { readFileSync, writeFileSync, appendFileSync, existsSync, mkdirSync } from 'fs';
 import { join } from 'path';
 import axios from 'axios';
+import { getServerStartStats } from './server-lifecycle.js';
 
 const TIMEOUT_SECONDS = 1800; // 30 Minuten
 const MAX_ACTIVE_VIDEO_CONNECTIONS = 3;
@@ -609,27 +610,6 @@ function logClientLogin(client, __dirname) {
   }
 }
 
-function checkAndLogStart(__dirname) {
-  try {
-    const logsDir = join(__dirname, '../logs');
-    // Erstelle logs-Verzeichnis falls es nicht existiert
-    if (!existsSync(logsDir)) {
-      try {
-        mkdirSync(logsDir, { recursive: true });
-        console.log(`[Log] Logs-Verzeichnis erstellt: ${logsDir}`);
-      } catch (mkdirError) {
-        console.error(`[Log] Fehler beim Erstellen des Logs-Verzeichnisses: ${mkdirError.message}`);
-        return; // Beende Funktion, wenn Verzeichnis nicht erstellt werden kann
-      }
-    }
-    const logPath = join(logsDir, 'starts.log');
-    const logEntry = `${new Date().toISOString()}\n`;
-    appendFileSync(logPath, logEntry, 'utf-8');
-  } catch (error) {
-    console.error('Fehler beim Loggen des Starts:', error.message);
-  }
-}
-
 export function setupBroadcast(io, __dirname) {
   // Länderliste beim Start laden
   let countriesMap = {};
@@ -728,23 +708,8 @@ export function setupBroadcast(io, __dirname) {
       .slice(0, limit);
   }
 
-  function readStartsLogStats() {
-    const path = join(ensureLogsDir(__dirname), 'starts.log');
-    if (!existsSync(path)) {
-      return { count: 0, first: null, last: null };
-    }
-    const lines = readFileSync(path, 'utf-8')
-      .split('\n')
-      .map((l) => l.trim())
-      .filter(Boolean);
-    if (lines.length === 0) {
-      return { count: 0, first: null, last: null };
-    }
-    return { count: lines.length, first: lines[0], last: lines[lines.length - 1] };
-  }
-
   /**
-   * Sammelt alle verfügbaren Kennzahlen: Live-Server, starts.log, vollständige Auswertung von logins.log
+   * Sammelt alle verfügbaren Kennzahlen: Live-Server, echte Serverstarts und vollständige Login-Auswertung.
    * (entspricht inhaltlich den /stat-Unterbefehlen in einer Tabelle).
    */
   function buildFullAllStatsRows(records) {
@@ -763,7 +728,7 @@ export function setupBroadcast(io, __dirname) {
       totalMessages += Array.isArray(msgs) ? msgs.length : 0;
     }
 
-    const starts = readStartsLogStats();
+    const starts = getServerStartStats(__dirname);
 
     push('— Live (Server) —', '');
     push('Nutzer mit Chat-Login und aktiver Verbindung', liveOnline);
@@ -771,13 +736,17 @@ export function setupBroadcast(io, __dirname) {
     push('Client-Sitzungen im Speicher', clients.size);
     push('Unterhaltungen im Speicher (Paare)', conversations.size);
     push('Nachrichten-Einträge gesamt (RAM)', totalMessages);
-    push('Server-Starts protokolliert (starts.log)', starts.count);
+    push('Server-Starts protokolliert (server-lifecycle.jsonl)', starts.count);
     if (starts.first) {
-      push('Erster Start (Timestamp)', starts.first);
+      push('Erster Server-Start (Timestamp)', starts.first.timestamp);
     }
     if (starts.last) {
-      push('Letzter Start (Timestamp)', starts.last);
+      push('Letzter Server-Start (Timestamp)', starts.last.timestamp);
+      push('Anlass des letzten Server-Starts', starts.last.reason);
     }
+    starts.latest.forEach((start, index) => {
+      push(`Server-Start ${index + 1} (UTC)`, `${start.timestamp} — ${start.reason}`);
+    });
 
     push('— Login-Protokoll (logins.log, UTC) —', '');
     if (records.length === 0) {
@@ -887,7 +856,7 @@ export function setupBroadcast(io, __dirname) {
         ['/stat ages', 'Jüngster und ältester Nutzer'],
         ['/stat names', 'Häufigkeit der verwendeten Namen'],
         ['/stat countries', 'Häufigkeit der Länder'],
-        ['/all-stats', 'Alle Kennzahlen: Live-Server + starts.log + komplette logins.log-Auswertung']
+        ['/all-stats', 'Alle Kennzahlen: Live-Server + echte Serverstarts + komplette Login-Auswertung']
       ]);
       return;
     }
@@ -1148,7 +1117,7 @@ export function setupBroadcast(io, __dirname) {
         ['/logout-admin', 'Admin-/Command-Login beenden'],
         ['/whoami-rights', 'Aktuelle Admin-Rechte anzeigen'],
         ['/stat help', 'Hilfe zu Statistikbefehlen anzeigen'],
-        ['/all-stats', 'Alle Kennzahlen: Live-Server + starts.log + komplette logins.log-Auswertung'],
+        ['/all-stats', 'Alle Kennzahlen: Live-Server + echte Serverstarts + komplette Login-Auswertung'],
         ['/kick <username>', 'Benutzer aus dem Chat werfen'],
         ['/help oder /?', 'Diese Hilfe anzeigen']
       ]);
@@ -1670,7 +1639,6 @@ export function setupBroadcast(io, __dirname) {
     });
     
     logClientLogin(client, __dirname);
-    checkAndLogStart(__dirname);
     
     // Benutzerliste an alle senden
     broadcastUserList();
diff --git a/server/index.js b/server/index.js
index 579bd4e..f3abccd 100755
--- a/server/index.js
+++ b/server/index.js
@@ -9,12 +9,14 @@ import { dirname, join } from 'path';
 import { setupBroadcast } from './broadcast.js';
 import { setupRoutes } from './routes.js';
 import { setupSEORoutes } from './routes-seo.js';
+import { installLifecycleHandlers, logServerStart } from './server-lifecycle.js';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
 const app = express();
 const server = createServer(app);
+installLifecycleHandlers(__dirname, server);
 
 // Umgebungsvariablen
 const NODE_ENV = process.env.NODE_ENV || 'development';
@@ -233,6 +235,7 @@ if (IS_PRODUCTION) {
 const HOST = process.env.HOST || '127.0.0.1';
 
 server.listen(PORT, HOST, () => {
+  logServerStart(__dirname);
   console.log(`Server läuft auf http://${HOST}:${PORT}`);
   console.log(`Umgebung: ${NODE_ENV}`);
   console.log(`CORS erlaubt für: ${allowedOrigins.join(', ')}`);
diff --git a/server/server-lifecycle.js b/server/server-lifecycle.js
new file mode 100644
index 0000000..399f79c
--- /dev/null
+++ b/server/server-lifecycle.js
@@ -0,0 +1,111 @@
+import { appendFileSync, existsSync, mkdirSync, readFileSync } from 'fs';
+import { join } from 'path';
+
+const LIFECYCLE_LOG_FILE = 'server-lifecycle.jsonl';
+
+function getLogPath(__dirname) {
+  const logsDir = join(__dirname, '../logs');
+  if (!existsSync(logsDir)) {
+    mkdirSync(logsDir, { recursive: true });
+  }
+  return join(logsDir, LIFECYCLE_LOG_FILE);
+}
+
+function appendEvent(__dirname, event) {
+  const entry = { timestamp: new Date().toISOString(), ...event };
+  try {
+    appendFileSync(getLogPath(__dirname), `${JSON.stringify(entry)}\n`, 'utf-8');
+  } catch (error) {
+    console.error('[Lifecycle] Ereignis konnte nicht protokolliert werden:', error.message);
+  }
+  return entry;
+}
+
+function readEvents(__dirname) {
+  try {
+    const logPath = getLogPath(__dirname);
+    if (!existsSync(logPath)) return [];
+    return readFileSync(logPath, 'utf-8')
+      .split('\n')
+      .map((line) => line.trim())
+      .filter(Boolean)
+      .map((line) => {
+        try {
+          return JSON.parse(line);
+        } catch {
+          return null;
+        }
+      })
+      .filter((event) => event && typeof event.timestamp === 'string' && typeof event.type === 'string');
+  } catch (error) {
+    console.error('[Lifecycle] Protokoll konnte nicht gelesen werden:', error.message);
+    return [];
+  }
+}
+
+export function logServerStart(__dirname) {
+  const events = readEvents(__dirname);
+  const previous = events.at(-1);
+  let reason = 'Erststart oder vorheriger Shutdown ist bereits protokolliert';
+
+  // SIGKILL, OOM und Stromausfälle geben dem Node-Prozess keine Gelegenheit,
+  // einen Shutdown zu schreiben. Beim nächsten Start machen wir das transparent.
+  if (previous?.type === 'start') {
+    appendEvent(__dirname, {
+      type: 'stop',
+      reason: 'Abrupte Beendigung: kein sauberer Shutdown protokolliert',
+      previousPid: previous.pid
+    });
+    reason = 'Neustart nach abrupter Beendigung der vorherigen Instanz';
+  } else if (previous?.type === 'stop' && previous.reason?.startsWith('Kontrollierter Shutdown')) {
+    reason = `Kontrollierter Neustart nach: ${previous.reason}`;
+  }
+
+  return appendEvent(__dirname, { type: 'start', pid: process.pid, reason });
+}
+
+export function logServerStop(__dirname, reason, details = {}) {
+  return appendEvent(__dirname, { type: 'stop', pid: process.pid, reason, ...details });
+}
+
+export function getServerStartStats(__dirname, limit = 5) {
+  const starts = readEvents(__dirname).filter((event) => event.type === 'start');
+  return {
+    count: starts.length,
+    first: starts[0] || null,
+    last: starts.at(-1) || null,
+    latest: starts.slice(-limit).reverse()
+  };
+}
+
+export function installLifecycleHandlers(__dirname, httpServer) {
+  let shuttingDown = false;
+
+  const gracefulShutdown = (signal) => {
+    if (shuttingDown) return;
+    shuttingDown = true;
+    logServerStop(
+      __dirname,
+      `Kontrollierter Shutdown per ${signal} (manuell, Deployment oder System-Neustart)`
+    );
+    httpServer.close(() => process.exit(0));
+    setTimeout(() => process.exit(0), 10_000).unref();
+  };
+
+  process.on('SIGTERM', () => gracefulShutdown('SIGTERM'));
+  process.on('SIGINT', () => gracefulShutdown('SIGINT'));
+  process.on('uncaughtException', (error) => {
+    logServerStop(__dirname, 'Absturz durch unbehandelte Ausnahme', {
+      error: String(error?.stack || error?.message || error)
+    });
+    console.error('[Lifecycle] Unbehandelte Ausnahme:', error);
+    process.exit(1);
+  });
+  process.on('unhandledRejection', (reason) => {
+    logServerStop(__dirname, 'Absturz durch unbehandelte Promise-Ablehnung', {
+      error: String(reason?.stack || reason?.message || reason)
+    });
+    console.error('[Lifecycle] Unbehandelte Promise-Ablehnung:', reason);
+    process.exit(1);
+  });
+}