diff --git a/saas-app/public/admin.php b/saas-app/public/admin.php
index 6db4c3b..9ee1a0f 100644
--- a/saas-app/public/admin.php
+++ b/saas-app/public/admin.php
@@ -34,6 +34,10 @@ function admin_update_summary(array $items): array
     foreach ($items as $item) {
         $status = (string) ($item['status'] ?? 'pending');
 
+        if ($status === 'baselined') {
+            $status = 'success';
+        }
+
         if (array_key_exists($status, $summary)) {
             $summary[$status]++;
         }
@@ -79,6 +83,7 @@ $page = match ($path) {
     '/admin/login' => 'login',
     '/admin/tenants' => 'tenants',
     '/admin/updates' => 'updates',
+    '/admin/migration' => 'migration',
     '/admin/logout' => 'logout',
     default => 'login',
 };
@@ -94,6 +99,8 @@ $summaryMetrics = [];
 $licensePlans = [];
 $updateItems = [];
 $updateSummary = ['pending' => 0, 'success' => 0, 'failed' => 0, 'running' => 0];
+$migrationItems = [];
+$migrationSummary = ['pending' => 0, 'success' => 0, 'failed' => 0, 'running' => 0];
 $appVersion = is_file(dirname(__DIR__) . '/version.php') ? (string) require dirname(__DIR__) . '/version.php' : 'unbekannt';
 
 if (($_SERVER['REQUEST_METHOD'] ?? 'GET') === 'POST' && $page === 'logout') {
@@ -116,7 +123,7 @@ if ($page === 'login' && $pdo instanceof PDO) {
     $admin = app_admin_user();
 }
 
-if (in_array($page, ['overview', 'tenants', 'updates'], true)) {
+if (in_array($page, ['overview', 'tenants', 'updates', 'migration'], true)) {
     $admin = app_require_platform_admin();
 
     if (!$pdo instanceof PDO) {
@@ -124,7 +131,7 @@ if (in_array($page, ['overview', 'tenants', 'updates'], true)) {
     }
 }
 
-if (in_array($page, ['overview', 'tenants', 'updates'], true) && $pdo instanceof PDO) {
+if (in_array($page, ['overview', 'tenants', 'updates', 'migration'], true) && $pdo instanceof PDO) {
     if (($_SERVER['REQUEST_METHOD'] ?? 'GET') === 'POST' && !hash_equals($_SESSION['admin_csrf'], (string) ($_POST['csrf'] ?? ''))) {
         app_flash('Die Sitzung ist abgelaufen. Bitte lade die Seite neu.', 'error');
         app_redirect('/admin/' . ($page === 'overview' ? '' : $page . '/'));
@@ -155,10 +162,33 @@ if (in_array($page, ['overview', 'tenants', 'updates'], true) && $pdo instanceof
         app_redirect('/admin/updates/');
     }
 
+    if ($page === 'migration' && (string) ($_POST['action'] ?? '') === 'run-migrations') {
+        try {
+            $results = scripts_run_pending_migrations(
+                scripts_update_config_from_env(app_env()),
+                'admin:' . (string) ($admin['email'] ?? 'platform')
+            );
+
+            $successful = count(array_filter($results, static fn(array $result): bool => in_array(($result['status'] ?? ''), ['success', 'baselined'], true)));
+            $skipped = count(array_filter($results, static fn(array $result): bool => ($result['status'] ?? '') === 'skipped'));
+
+            app_flash(
+                $successful . ' Migration(en) verarbeitet, ' . $skipped . ' bereits erledigt.',
+                'success'
+            );
+        } catch (Throwable $exception) {
+            app_flash('Die Migrationen konnten nicht abgeschlossen werden: ' . $exception->getMessage(), 'error');
+        }
+
+        app_redirect('/admin/migration/');
+    }
+
     $tenants = app_admin_tenant_list($pdo);
     $licensePlans = app_license_plan_options($pdo);
     $updateItems = scripts_list_updates_status(scripts_update_config_from_env(app_env()));
     $updateSummary = admin_update_summary($updateItems);
+    $migrationItems = scripts_list_migrations_status(scripts_update_config_from_env(app_env()));
+    $migrationSummary = admin_update_summary($migrationItems);
     $summaryMetrics = admin_summary_metrics($tenants, $updateItems);
 
     if ($page === 'tenants' && isset($_GET['edit']) && $_GET['edit'] !== '') {
@@ -211,6 +241,7 @@ SQL,
                 <a href="/admin/" class="<?= $page === 'overview' ? 'active' : '' ?>">Übersicht</a>
                 <a href="/admin/tenants/" class="<?= $page === 'tenants' ? 'active' : '' ?>">Mandanten</a>
                 <a href="/admin/updates/" class="<?= $page === 'updates' ? 'active' : '' ?>">Updates</a>
+                <a href="/admin/migration/" class="<?= $page === 'migration' ? 'active' : '' ?>">Migrationen</a>
                 <form method="post" action="/admin/logout/">
                     <input type="hidden" name="csrf" value="<?= admin_h($_SESSION['admin_csrf']) ?>">
                     <button type="submit" class="button secondary">Abmelden</button>
@@ -371,7 +402,7 @@ SQL,
                 </table>
             </div>
         </section>
-    <?php else: ?>
+    <?php elseif ($page === 'updates'): ?>
         <section class="hero">
             <div class="eyebrow">Update-Center</div>
             <h1>System-Updates zentral prüfen und ausführen.</h1>
@@ -433,6 +464,79 @@ SQL,
                 </table>
             </div>
         </section>
+    <?php else: ?>
+        <section class="hero">
+            <div class="eyebrow">Migrations-Center</div>
+            <h1>Datenbank-Migrationen zentral prüfen und ausführen.</h1>
+            <p>Die SQL-Migrationen aus <code>database/migrations/</code> können hier nachvollziehbar über die zentrale Verwaltung eingespielt werden.</p>
+        </section>
+        <?php if ($dbError !== null): ?><section class="alert alert-warning"><?= admin_h($dbError) ?></section><?php endif; ?>
+        <section class="grid grid-3">
+            <article class="card">
+                <h2>Schema-Stand</h2>
+                <div class="stack">
+                    <div class="metric"><h3>Offene Migrationen</h3><p><?= admin_h((string) $migrationSummary['pending']) ?></p></div>
+                    <div class="metric"><h3>Erfolgreich</h3><p><?= admin_h((string) $migrationSummary['success']) ?></p></div>
+                    <div class="metric"><h3>Fehlgeschlagen</h3><p><?= admin_h((string) $migrationSummary['failed']) ?></p></div>
+                </div>
+            </article>
+            <article class="card">
+                <h2>Migration-Ausführung</h2>
+                <p>Vorhandene Tabellen werden automatisch als bestehender Stand übernommen. Neue Migrationen werden nur einmal ausgeführt und protokolliert.</p>
+                <form method="post" action="/admin/migration/" style="margin-top:18px">
+                    <input type="hidden" name="csrf" value="<?= admin_h($_SESSION['admin_csrf']) ?>">
+                    <input type="hidden" name="action" value="run-migrations">
+                    <button type="submit">Ausstehende Migrationen jetzt ausführen</button>
+                </form>
+            </article>
+            <article class="card">
+                <h2>Hinweise</h2>
+                <ul>
+                    <li>Migrationen liegen unter <code>saas-app/database/migrations/</code>.</li>
+                    <li>Die Weboberfläche führt nur fehlende Migrationen aus.</li>
+                    <li>Bereits vorhandene Zieltabellen werden als Baseline protokolliert.</li>
+                </ul>
+            </article>
+        </section>
+        <section class="card" style="margin-top:18px">
+            <h2>Migrations-Protokoll</h2>
+            <div class="table">
+                <table>
+                    <thead><tr><th>Migration</th><th>Status</th><th>Zieltabellen</th><th>Ausgeführt</th><th>Durch</th></tr></thead>
+                    <tbody>
+                        <?php foreach ($migrationItems as $item): ?>
+                            <?php
+                            $status = (string) ($item['status'] ?? 'pending');
+                            $tone = match ($status) {
+                                'success' => 'success',
+                                'baselined' => 'success',
+                                'failed' => 'error',
+                                'running' => 'warning',
+                                default => 'neutral',
+                            };
+                            $label = match ($status) {
+                                'pending' => 'Offen',
+                                'baselined' => 'Baseline',
+                                default => ucfirst($status),
+                            };
+                            ?>
+                            <tr>
+                                <td>
+                                    <strong><?= admin_h((string) $item['title']) ?></strong>
+                                    <small class="mono"><?= admin_h((string) $item['key']) ?></small>
+                                    <?php if (!empty($item['notes'])): ?><small><?= admin_h((string) $item['notes']) ?></small><?php endif; ?>
+                                    <?php if (!empty($item['error_message'])): ?><small><?= admin_h((string) $item['error_message']) ?></small><?php endif; ?>
+                                </td>
+                                <td><?= admin_badge($label, $tone) ?></td>
+                                <td><?= admin_h(implode(', ', array_map('strval', $item['tables'] ?? []))) ?></td>
+                                <td><?= admin_h((string) ($item['executed_at'] ?? '')) ?></td>
+                                <td><?= admin_h((string) ($item['executed_by'] ?? '')) ?></td>
+                            </tr>
+                        <?php endforeach; ?>
+                    </tbody>
+                </table>
+            </div>
+        </section>
     <?php endif; ?>
 
     <p class="footer">Kaffeeliste Admin | zentrale Mandanten-Verwaltung, Lizenzsteuerung und Update-Prozess über PHP-Webseiten</p>
diff --git a/saas-app/public/admin/migration/index.php b/saas-app/public/admin/migration/index.php
index eacb2aa..99e5eee 100644
--- a/saas-app/public/admin/migration/index.php
+++ b/saas-app/public/admin/migration/index.php
@@ -2,5 +2,4 @@
 
 declare(strict_types=1);
 
-header('Location: /admin/', true, 302);
-exit;
+require dirname(__DIR__, 2) . '/admin.php';
diff --git a/saas-app/public/install-support.php b/saas-app/public/install-support.php
index 59db2d4..f59d122 100644
--- a/saas-app/public/install-support.php
+++ b/saas-app/public/install-support.php
@@ -868,6 +868,313 @@ function scripts_run_pending_updates(array $config, ?string $executedBy = null):
     return $results;
 }
 
+function scripts_ensure_migrations_table(PDO $pdo, string $connection): void
+{
+    if (scripts_table_exists($pdo, 'app_migrations')) {
+        return;
+    }
+
+    if ($connection === 'sqlsrv') {
+        $pdo->exec(
+            <<<'SQL'
+CREATE TABLE app_migrations (
+    id CHAR(36) NOT NULL PRIMARY KEY,
+    migration_key VARCHAR(190) NOT NULL,
+    title VARCHAR(255) NOT NULL,
+    checksum VARCHAR(64) NULL,
+    status VARCHAR(50) NOT NULL,
+    executed_at DATETIME NULL,
+    execution_time_ms INT NULL,
+    executed_by VARCHAR(255) NULL,
+    notes NVARCHAR(MAX) NULL,
+    error_message NVARCHAR(MAX) NULL,
+    created_at DATETIME NOT NULL,
+    updated_at DATETIME NOT NULL,
+    CONSTRAINT app_migrations_migration_key_unique UNIQUE (migration_key)
+);
+SQL
+        );
+
+        return;
+    }
+
+    $pdo->exec(
+        <<<'SQL'
+CREATE TABLE IF NOT EXISTS app_migrations (
+    id CHAR(36) NOT NULL PRIMARY KEY,
+    migration_key VARCHAR(190) NOT NULL,
+    title VARCHAR(255) NOT NULL,
+    checksum VARCHAR(64) NULL,
+    status VARCHAR(50) NOT NULL,
+    executed_at DATETIME NULL,
+    execution_time_ms INT NULL,
+    executed_by VARCHAR(255) NULL,
+    notes TEXT NULL,
+    error_message TEXT NULL,
+    created_at DATETIME NOT NULL,
+    updated_at DATETIME NOT NULL,
+    UNIQUE KEY app_migrations_migration_key_unique (migration_key)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+SQL
+    );
+}
+
+function scripts_migration_files(): array
+{
+    $dir = scripts_saas_app_path()
+        . DIRECTORY_SEPARATOR . 'database'
+        . DIRECTORY_SEPARATOR . 'migrations';
+
+    if (!is_dir($dir)) {
+        return [];
+    }
+
+    $files = glob($dir . DIRECTORY_SEPARATOR . '*.php') ?: [];
+    sort($files, SORT_STRING);
+
+    return $files;
+}
+
+/**
+ * @return array<int, string>
+ */
+function scripts_declared_tables_from_sql(string $sql): array
+{
+    preg_match_all(
+        '/CREATE\s+TABLE\s+(?:IF\s+NOT\s+EXISTS\s+)?[`"\[]?([A-Za-z0-9_.]+)[`"\]]?/i',
+        $sql,
+        $matches
+    );
+
+    $tables = array_map(
+        static fn(string $table): string => trim($table),
+        $matches[1] ?? []
+    );
+
+    return array_values(array_unique(array_filter($tables, static fn(string $table): bool => $table !== '')));
+}
+
+/**
+ * @return array<string, mixed>
+ */
+function scripts_load_migration_definition(string $file, string $connection): array
+{
+    $sql = scripts_load_migration_sql($file, $connection);
+    $key = pathinfo($file, PATHINFO_FILENAME);
+
+    return [
+        'key' => $key,
+        'title' => $key,
+        'file' => $file,
+        'checksum' => sha1_file($file) ?: null,
+        'sql' => $sql,
+        'tables' => scripts_declared_tables_from_sql($sql),
+    ];
+}
+
+function scripts_applied_migrations(PDO $pdo): array
+{
+    if (!scripts_table_exists($pdo, 'app_migrations')) {
+        return [];
+    }
+
+    $rows = scripts_query_all(
+        $pdo,
+        'SELECT migration_key, status, checksum, executed_at, execution_time_ms, executed_by, notes, error_message, title, id FROM app_migrations ORDER BY migration_key ASC'
+    );
+    $applied = [];
+
+    foreach ($rows as $row) {
+        $applied[(string) $row['migration_key']] = $row;
+    }
+
+    return $applied;
+}
+
+function scripts_migration_targets_exist(PDO $pdo, array $definition): bool
+{
+    $tables = $definition['tables'] ?? [];
+
+    if (!is_array($tables) || $tables === []) {
+        return false;
+    }
+
+    foreach ($tables as $table) {
+        if (!scripts_table_exists($pdo, (string) $table)) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+function scripts_list_migrations_status(array $config): array
+{
+    $pdo = scripts_connect_pdo($config);
+    $connection = scripts_normalize_db_connection((string) ($config['connection'] ?? 'mysql'));
+    scripts_ensure_migrations_table($pdo, $connection);
+
+    $applied = scripts_applied_migrations($pdo);
+    $items = [];
+
+    foreach (scripts_migration_files() as $file) {
+        $definition = scripts_load_migration_definition($file, $connection);
+        $current = $applied[$definition['key']] ?? null;
+        $status = $current['status'] ?? 'pending';
+        $notes = $current['notes'] ?? null;
+
+        if ($current === null && scripts_migration_targets_exist($pdo, $definition)) {
+            $status = 'baselined';
+            $notes = 'Tabellen sind bereits vorhanden und koennen als bestehender Stand uebernommen werden.';
+        } elseif ($status === 'success') {
+            $status = 'success';
+        } elseif ($status === 'running') {
+            $status = 'running';
+        } elseif ($current !== null) {
+            $status = 'failed';
+        }
+
+        $items[] = [
+            'key' => $definition['key'],
+            'title' => $definition['title'],
+            'status' => $status,
+            'checksum' => $definition['checksum'],
+            'tables' => $definition['tables'],
+            'executed_at' => $current['executed_at'] ?? null,
+            'execution_time_ms' => $current['execution_time_ms'] ?? null,
+            'executed_by' => $current['executed_by'] ?? null,
+            'notes' => $notes,
+            'error_message' => $current['error_message'] ?? null,
+        ];
+    }
+
+    return $items;
+}
+
+function scripts_run_pending_migrations(array $config, ?string $executedBy = null): array
+{
+    $pdo = scripts_connect_pdo($config);
+    $connection = scripts_normalize_db_connection((string) ($config['connection'] ?? 'mysql'));
+    scripts_ensure_migrations_table($pdo, $connection);
+    $applied = scripts_applied_migrations($pdo);
+    $results = [];
+
+    foreach (scripts_migration_files() as $file) {
+        $definition = scripts_load_migration_definition($file, $connection);
+        $current = $applied[$definition['key']] ?? null;
+
+        if (($current['status'] ?? null) === 'success') {
+            $results[] = [
+                'key' => $definition['key'],
+                'title' => $definition['title'],
+                'status' => 'skipped',
+                'message' => 'Bereits erfolgreich ausgefuehrt.',
+            ];
+            continue;
+        }
+
+        if ($current === null && scripts_migration_targets_exist($pdo, $definition)) {
+            $migrationId = scripts_uuid();
+            $now = date('Y-m-d H:i:s');
+            $notes = 'Automatisch als bestehender Stand uebernommen, da die Zieltabellen bereits vorhanden sind.';
+
+            scripts_execute(
+                $pdo,
+                'INSERT INTO app_migrations (id, migration_key, title, checksum, status, executed_at, execution_time_ms, executed_by, notes, error_message, created_at, updated_at) VALUES (:id, :migration_key, :title, :checksum, :status, :executed_at, 0, :executed_by, :notes, NULL, :created_at, :updated_at)',
+                [
+                    'id' => $migrationId,
+                    'migration_key' => $definition['key'],
+                    'title' => $definition['title'],
+                    'checksum' => $definition['checksum'],
+                    'status' => 'success',
+                    'executed_at' => $now,
+                    'executed_by' => $executedBy !== null ? $executedBy . ' (baseline)' : 'baseline',
+                    'notes' => $notes,
+                    'created_at' => $now,
+                    'updated_at' => $now,
+                ]
+            );
+
+            $results[] = [
+                'key' => $definition['key'],
+                'title' => $definition['title'],
+                'status' => 'baselined',
+                'message' => $notes,
+            ];
+            continue;
+        }
+
+        $start = microtime(true);
+        $migrationId = (string) ($current['id'] ?? scripts_uuid());
+        $now = date('Y-m-d H:i:s');
+
+        scripts_execute(
+            $pdo,
+            'DELETE FROM app_migrations WHERE migration_key = :migration_key',
+            ['migration_key' => $definition['key']]
+        );
+
+        scripts_execute(
+            $pdo,
+            'INSERT INTO app_migrations (id, migration_key, title, checksum, status, executed_at, execution_time_ms, executed_by, notes, error_message, created_at, updated_at) VALUES (:id, :migration_key, :title, :checksum, :status, NULL, NULL, :executed_by, NULL, NULL, :created_at, :updated_at)',
+            [
+                'id' => $migrationId,
+                'migration_key' => $definition['key'],
+                'title' => $definition['title'],
+                'checksum' => $definition['checksum'],
+                'status' => 'running',
+                'executed_by' => $executedBy,
+                'created_at' => $now,
+                'updated_at' => $now,
+            ]
+        );
+
+        try {
+            $pdo->exec((string) $definition['sql']);
+            $duration = (int) round((microtime(true) - $start) * 1000);
+
+            scripts_execute(
+                $pdo,
+                'UPDATE app_migrations SET status = :status, executed_at = :executed_at, execution_time_ms = :execution_time_ms, notes = :notes, error_message = NULL, updated_at = :updated_at WHERE id = :id',
+                [
+                    'status' => 'success',
+                    'executed_at' => date('Y-m-d H:i:s'),
+                    'execution_time_ms' => $duration,
+                    'notes' => 'Migration erfolgreich ausgefuehrt.',
+                    'updated_at' => date('Y-m-d H:i:s'),
+                    'id' => $migrationId,
+                ]
+            );
+
+            $results[] = [
+                'key' => $definition['key'],
+                'title' => $definition['title'],
+                'status' => 'success',
+                'message' => 'Erfolgreich ausgefuehrt.',
+            ];
+        } catch (Throwable $exception) {
+            $duration = (int) round((microtime(true) - $start) * 1000);
+
+            scripts_execute(
+                $pdo,
+                'UPDATE app_migrations SET status = :status, executed_at = :executed_at, execution_time_ms = :execution_time_ms, error_message = :error_message, updated_at = :updated_at WHERE id = :id',
+                [
+                    'status' => 'failed',
+                    'executed_at' => date('Y-m-d H:i:s'),
+                    'execution_time_ms' => $duration,
+                    'error_message' => $exception->getMessage(),
+                    'updated_at' => date('Y-m-d H:i:s'),
+                    'id' => $migrationId,
+                ]
+            );
+
+            throw $exception;
+        }
+    }
+
+    return $results;
+}
+
 function scripts_role_id(string $roleKey, string $scope): string
 {
     return scripts_uuid_from_string('role:' . $scope . ':' . $roleKey);