0.9.7.25: Piwigo-Core-Synchronisation wiederherstellen

Merge pull request #46 from Terranom674/fix/09724-native-ajaxload-placeholder
0.9.7.24: Piwigo-Nachladen für WebDAV-Platzhalter reparieren
2026-09-19 22:14:33 +00:00 · 2026-08-20 09:12:01 +02:00 · 2026-08-20 09:02:33 +02:00 · 2026-08-20 09:00:53 +02:00 · 2026-08-20 09:00:36 +02:00 · 2026-08-20 08:34:32 +02:00
28 changed files with 1131 additions and 1580 deletions
--- a/.ci-trigger-0977
+++ b/.ci-trigger-0977
@@ -0,0 +1 @@
+0.9.7.7
--- a/include/nc_connector_delete_safe.inc.php
+++ b/include/nc_connector_delete_safe.inc.php
@@ -4,42 +4,84 @@ if (!defined('PHPWG_ROOT_PATH'))
  die('Hacking attempt!');
 }

-function bratonien_tools_nc_connector_webdav_site_id(array $connection)
+function bratonien_tools_nc_connector_db_prefix_from_absolute($path)
 {
-  $config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
-  if ((string)($connection['adapter'] ?? '') !== 'remote') return 0;
-  if ((string)($config['source_mode'] ?? '') !== 'webdav-placeholder') return 0;
+  $path = rtrim(str_replace('\\', '/', (string)$path), '/');
+  $piwigo_root = rtrim(str_replace('\\', '/', PHPWG_ROOT_PATH), '/');
+  if ($path === '' || strpos($path, $piwigo_root.'/') !== 0) return '';

-  $gallery_root = rtrim((string)($config['parallel_gallery_root'] ?? ''), '/');
-  $piwigo_root = rtrim(PHPWG_ROOT_PATH, '/');
-  if ($gallery_root === '' || strpos($gallery_root, $piwigo_root.'/') !== 0) return 0;
+  $relative = ltrim(substr($path, strlen($piwigo_root)), '/');
+  return $relative === '' ? '' : './'.rtrim($relative, '/').'/';
+}

-  $relative = ltrim(substr($gallery_root, strlen($piwigo_root)), '/');
-  if ($relative === '') return 0;
-  $site_url = './'.rtrim($relative, '/').'/';
+function bratonien_tools_nc_connector_owned_db_prefixes(array $connection)
+{
+  $id = (int)($connection['id'] ?? 0);
+  if ($id < 1) return array();

-  $result = pwg_query(
-    "SELECT id FROM ".SITES_TABLE.
-    " WHERE galleries_url='".pwg_db_real_escape_string($site_url)."' LIMIT 1"
+  $prefixes = array(
+    './_data/bratonien-tools/nc-webdav-gallery/connection-'.$id.'/',
+    './_data/bratonien-tools/nc-webdav-source/connection-'.$id.'/',
+    './galleries/bratonien-webdav-'.$id.'/',
  );
-  if (!pwg_db_num_rows($result)) return 0;

-  $row = pwg_db_fetch_assoc($result);
-  return (int)$row['id'];
+  $config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
+  $configured = bratonien_tools_nc_connector_db_prefix_from_absolute($config['parallel_gallery_root'] ?? '');
+  if ($configured !== '') $prefixes[] = $configured;
+
+  return array_values(array_unique($prefixes));
+}
+
+function bratonien_tools_nc_connector_owned_site_urls(array $connection)
+{
+  $id = (int)($connection['id'] ?? 0);
+  if ($id < 1) return array();
+
+  $urls = array(
+    './_data/bratonien-tools/nc-webdav-gallery/connection-'.$id.'/',
+    './galleries/bratonien-webdav-'.$id.'/',
+  );
+
+  $config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
+  $configured = bratonien_tools_nc_connector_db_prefix_from_absolute($config['parallel_gallery_root'] ?? '');
+  if ($configured !== '') $urls[] = $configured;
+
+  return array_values(array_unique($urls));
 }

 function bratonien_tools_nc_connector_remove_webdav_piwigo_content(array $connection)
 {
-  $site_id = bratonien_tools_nc_connector_webdav_site_id($connection);
-  if ($site_id < 1) return array('site_id'=>0, 'images'=>0);
-
  include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');

+  $prefixes = bratonien_tools_nc_connector_owned_db_prefixes($connection);
+  if (!$prefixes) return array('sites'=>0, 'images'=>0);
+
+  $where = array();
+  foreach ($prefixes as $prefix)
+  {
+    $escaped = pwg_db_real_escape_string(addcslashes($prefix, '_%\\'));
+    $where[] = "path LIKE '".$escaped."%' ESCAPE '\\\\'";
+  }
+
  $image_rows = array();
-  $query = '\nSELECT DISTINCT i.id, i.path, i.representative_ext\n  FROM '.IMAGES_TABLE.' AS i\n  LEFT JOIN '.CATEGORIES_TABLE.' AS sc ON sc.id = i.storage_category_id\n  LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.image_id = i.id\n  LEFT JOIN '.CATEGORIES_TABLE.' AS vc ON vc.id = ic.category_id\n  WHERE sc.site_id = '.$site_id.' OR vc.site_id = '.$site_id.'\n;';
-  $result = pwg_query($query);
+  $result = pwg_query(
+    'SELECT id, path, representative_ext FROM '.IMAGES_TABLE.
+    ' WHERE '.implode(' OR ', $where)
+  );
  while ($row = pwg_db_fetch_assoc($result))
  {
+    $path = (string)$row['path'];
+    $owned = false;
+    foreach ($prefixes as $prefix)
+    {
+      if (strpos($path, $prefix) === 0)
+      {
+        $owned = true;
+        break;
+      }
+    }
+    if (!$owned) continue;
+
    $row['id'] = (int)$row['id'];
    $image_rows[$row['id']] = $row;
  }
@@ -56,24 +98,28 @@ function bratonien_tools_nc_connector_remove_webdav_piwigo_content(array $connec
    }
  }

-  delete_site($site_id);
-
  if ($image_rows)
  {
-    $ids = array_keys($image_rows);
-    $remaining = query2array(
-      'SELECT id FROM '.IMAGES_TABLE.' WHERE id IN ('.implode(',', array_map('intval', $ids)).')',
-      null,
-      'id'
+    delete_elements(array_map('intval', array_keys($image_rows)), false);
+  }
+
+  $site_count = 0;
+  foreach (bratonien_tools_nc_connector_owned_site_urls($connection) as $site_url)
+  {
+    $result = pwg_query(
+      "SELECT id FROM ".SITES_TABLE.
+      " WHERE galleries_url='".pwg_db_real_escape_string($site_url)."'"
    );
-    if ($remaining)
+    while ($row = pwg_db_fetch_assoc($result))
    {
-      delete_elements(array_map('intval', $remaining), false);
+      delete_site((int)$row['id']);
+      $site_count++;
    }
  }

+  update_category('all');
  invalidate_user_cache(true);
-  return array('site_id'=>$site_id, 'images'=>count($image_rows));
+  return array('sites'=>$site_count, 'images'=>count($image_rows));
 }

 /**
@@ -89,7 +135,7 @@ function bratonien_tools_nc_connector_delete_safe()
    throw new RuntimeException('Connector-Verbindung wurde nicht gefunden.');
  }

-  $cleanup = array('site_id'=>0, 'images'=>0);
+  $cleanup = array('sites'=>0, 'images'=>0);
  if (
    (string)($connection['adapter'] ?? '') === 'remote'
    && (string)($connection['config']['source_mode'] ?? '') === 'webdav-placeholder'
@@ -110,14 +156,7 @@ function bratonien_tools_nc_connector_delete_safe()
    @file_put_contents($status_dir.'/deleted-'.$id, date('c')."\n", LOCK_EX);
  }

-  if ((int)$cleanup['site_id'] > 0)
-  {
-    return array(
-      'message'=>'Verbindung wurde gelöscht. Die zugehörigen Piwigo-Alben und '.(int)$cleanup['images'].' Bilder wurden aus Piwigo entfernt. Nextcloud-Dateien blieben unverändert.',
-    );
-  }
-
  return array(
-    'message'=>'Verbindung wurde gelöscht. Verbliebene Laufzeitdaten werden automatisch bereinigt. Quelldateien blieben unverändert.',
+    'message'=>'Verbindung wurde gelöscht. '.(int)$cleanup['images'].' eindeutig zu dieser Verbindung gehörende Bilder wurden aus Piwigo entfernt. Nextcloud-Dateien blieben unverändert.',
  );
 }
--- a/include/nc_connector_scheduler.inc.php
+++ b/include/nc_connector_scheduler.inc.php
@@ -16,6 +16,7 @@ function bratonien_tools_nc_scheduler_paths()
    'trigger_lock'=>$base.'/nc-connector-scheduler/trigger.lock',
    'worker_lock'=>$base.'/nc-connector-scheduler/worker.lock',
    'log'=>$base.'/nc-connector-scheduler/last-worker.log',
+    'status_root'=>$base.'/nc-connector-status',
  );
 }

@@ -59,6 +60,31 @@ function bratonien_tools_nc_scheduler_write_state(array $state)
  return @rename($tmp, $paths['state']);
 }

+function bratonien_tools_nc_scheduler_write_connection_status($connection_id, $state, $message)
+{
+  $connection_id = (int)$connection_id;
+  if ($connection_id < 1) return false;
+  $paths = bratonien_tools_nc_scheduler_paths();
+  if (!bratonien_tools_nc_scheduler_ensure_dirs()) return false;
+  $target = $paths['status_root'].'/connection-'.$connection_id.'.json';
+  $existing = array();
+  if (is_readable($target))
+  {
+    $decoded = json_decode((string)@file_get_contents($target), true);
+    if (is_array($decoded)) $existing = $decoded;
+  }
+  $existing['state'] = (string)$state;
+  $existing['message'] = (string)$message;
+  $existing['timestamp'] = time();
+  $existing['connection_id'] = $connection_id;
+  $json = json_encode($existing, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT);
+  if (!is_string($json)) return false;
+  $tmp = $target.'.tmp';
+  if (@file_put_contents($tmp, $json."\n", LOCK_EX) === false) return false;
+  @chmod($tmp, 0644);
+  return @rename($tmp, $target);
+}
+
 function bratonien_tools_nc_scheduler_install()
 {
  if (!bratonien_tools_nc_scheduler_ensure_dirs()) return false;
@@ -82,8 +108,9 @@ function bratonien_tools_nc_scheduler_php_binary()
  return '';
 }

-function bratonien_tools_nc_scheduler_spawn($force = false)
+function bratonien_tools_nc_scheduler_spawn($force = false, $connection_id = 0)
 {
+  $connection_id = max(0, (int)$connection_id);
  $paths = bratonien_tools_nc_scheduler_paths();
  if (!bratonien_tools_nc_scheduler_ensure_dirs())
  {
@@ -118,14 +145,20 @@ function bratonien_tools_nc_scheduler_spawn($force = false)
  $state['enabled'] = true;
  $state['mode'] = 'piwigo-native';
  $state['state'] = 'queued';
-  $state['message'] = 'NC-Abgleich wurde angefordert.';
+  $state['message'] = $connection_id > 0 ? 'NC-Abgleich für Verbindung #'.$connection_id.' wurde angefordert.' : 'NC-Abgleich für alle Verbindungen wurde angefordert.';
  $state['queued_at'] = $now;
  $state['timestamp'] = $now;
+  $state['connection_id'] = $connection_id;
  $state['next_due'] = $now + bratonien_tools_nc_scheduler_interval();
  bratonien_tools_nc_scheduler_write_state($state);
+  if ($connection_id > 0)
+  {
+    bratonien_tools_nc_scheduler_write_connection_status($connection_id, 'queued', 'Abgleich wurde angefordert.');
+  }

  $runner = BRATONIEN_TOOLS_PATH.'runtime/native-runner.php';
-  $command = escapeshellarg($php).' '.escapeshellarg($runner).' >> '.escapeshellarg($paths['log']).' 2>&1 &';
+  $runner_args = $connection_id > 0 ? ' --connection-id='.escapeshellarg((string)$connection_id) : '';
+  $command = escapeshellarg($php).' '.escapeshellarg($runner).$runner_args.' >> '.escapeshellarg($paths['log']).' 2>&1 &';
  $spec = array(
    0=>array('file','/dev/null','r'),
    1=>array('file','/dev/null','a'),
@@ -144,10 +177,14 @@ function bratonien_tools_nc_scheduler_spawn($force = false)
    $state['message'] = 'Der native NC-Abgleich konnte nicht gestartet werden.';
    $state['timestamp'] = time();
    bratonien_tools_nc_scheduler_write_state($state);
+    if ($connection_id > 0)
+    {
+      bratonien_tools_nc_scheduler_write_connection_status($connection_id, 'error', 'Abgleich konnte nicht gestartet werden.');
+    }
    throw new RuntimeException('Der native NC-Abgleich konnte nicht gestartet werden.');
  }

-  return array('started'=>true, 'message'=>'NC-Abgleich wurde angefordert.');
+  return array('started'=>true, 'message'=>$connection_id > 0 ? 'Abgleich für Verbindung #'.$connection_id.' wurde angefordert.' : 'Abgleich für alle Verbindungen wurde angefordert.');
 }

 function bratonien_tools_nc_scheduler_tick()
@@ -159,7 +196,7 @@ function bratonien_tools_nc_scheduler_tick()

  try
  {
-    bratonien_tools_nc_scheduler_spawn(false);
+    bratonien_tools_nc_scheduler_spawn(false, 0);
  }
  catch (Throwable $e)
  {
--- a/include/nc_productive_ws.inc.php
+++ b/include/nc_productive_ws.inc.php
@@ -18,7 +18,7 @@ function bratonien_tools_register_nc_productive_ws_methods($arr)
        'info' => 'Piwigo storage site to synchronize. Default: 1.',
      ),
    ),
-    'Synchronizes the NC Connector into the existing Piwigo album hierarchy.',
+    'Runs the approved Piwigo filesystem synchronization for the Bratonien NC Connector.',
    null,
    array(
      'admin_only' => true,
@@ -27,279 +27,117 @@ function bratonien_tools_register_nc_productive_ws_methods($arr)
  );
 }

-function bratonien_tools_nc_productive_error(&$errors, $path, $type)
-{
-  $errors[] = array(
-    'path' => (string)$path,
-    'type' => (string)$type,
-  );
-}
-
-function bratonien_tools_nc_relative_path($basedir, $path)
-{
-  $basedir = rtrim(str_replace('\\', '/', (string)$basedir), '/');
-  $path = str_replace('\\', '/', (string)$path);
-  if ($path === $basedir) return '';
-  if (strpos($path, $basedir.'/') !== 0)
-  {
-    throw new RuntimeException('WebDAV-Pfad liegt ausserhalb der Connector-Wurzel: '.$path);
-  }
-  return trim(substr($path, strlen($basedir)), '/');
-}
-
-function bratonien_tools_nc_find_album($parent_id, $dir, $name, $excluded_site_id)
-{
-  $where_parent = $parent_id === null ? 'id_uppercat IS NULL' : 'id_uppercat='.(int)$parent_id;
-  $dir_sql = pwg_db_real_escape_string((string)$dir);
-  $name_sql = pwg_db_real_escape_string((string)$name);
-  $query = '
-SELECT id, dir, name
-  FROM '.CATEGORIES_TABLE.'
-  WHERE '.$where_parent.'
-    AND (
-      dir = \''.$dir_sql.'\'
-      OR LOWER(name) = LOWER(\''.$name_sql.'\')
-    )
-  ORDER BY CASE WHEN dir = \''.$dir_sql.'\' THEN 0 ELSE 1 END, id
-  LIMIT 1
-;';
-  $result = pwg_query($query);
-  if (!pwg_db_num_rows($result)) return null;
-  $row = pwg_db_fetch_assoc($result);
-  return (int)$row['id'];
-}
-
-function bratonien_tools_nc_ensure_album_path($relative_dir, $excluded_site_id, array &$cache, array &$created_ids)
-{
-  $relative_dir = trim((string)$relative_dir, '/');
-  if ($relative_dir === '') return null;
-  if (isset($cache[$relative_dir])) return $cache[$relative_dir];
-
-  $parts = explode('/', $relative_dir);
-  $parent_id = null;
-  $path = '';
-  foreach ($parts as $part)
-  {
-    if ($part === '') continue;
-    $path = $path === '' ? $part : $path.'/'.$part;
-    if (isset($cache[$path]))
-    {
-      $parent_id = $cache[$path];
-      continue;
-    }
-
-    $display_name = str_replace('_', ' ', $part);
-    $album_id = bratonien_tools_nc_find_album($parent_id, $part, $display_name, $excluded_site_id);
-    if ($album_id === null)
-    {
-      $created = create_virtual_category($display_name, $parent_id);
-      if (!is_array($created) || empty($created['id']))
-      {
-        $detail = is_array($created) && !empty($created['error']) ? (string)$created['error'] : 'unbekannter Fehler';
-        throw new RuntimeException('Album "'.$display_name.'" konnte nicht angelegt werden: '.$detail);
-      }
-      $album_id = (int)$created['id'];
-      pwg_query('UPDATE '.CATEGORIES_TABLE." SET status='private' WHERE id=".$album_id.' LIMIT 1');
-      add_permission_on_category(array($album_id), get_admins());
-      $created_ids[] = $album_id;
-    }
-
-    $cache[$path] = $album_id;
-    $parent_id = $album_id;
-  }
-
-  return $parent_id;
-}
-
-function bratonien_tools_nc_managed_images($basedir)
-{
-  $prefix = rtrim((string)$basedir, '/').'/';
-  $escaped = pwg_db_real_escape_string(addcslashes($prefix, '_%\\'));
-  $query = "SELECT id, path FROM ".IMAGES_TABLE." WHERE path LIKE '".$escaped."%' ESCAPE '\\\\'";
-  return simple_hash_from_query($query, 'id', 'path');
-}
-
-function bratonien_tools_nc_remove_storage_categories($site_id)
-{
-  // Bestehende Piwigo-Alben gehoeren nicht automatisch dem Connector.
-  // Ohne eindeutige Connector-Eigentumsmarkierung darf hier nichts geloescht werden.
-  return 0;
-}
-
 function bratonien_tools_ws_nc_sync_productive($params, &$service)
 {
-  global $conf, $user;
+  global $conf, $user, $template, $page;

  $piwigo_version = defined('PHPWG_VERSION') ? (string)PHPWG_VERSION : '';
  if ($piwigo_version !== '16.4.0')
  {
-    return new PwgError(409, 'Bratonien API synchronization is not approved for Piwigo '.$piwigo_version.'.');
+    return new PwgError(
+      409,
+      'Bratonien API synchronization is not approved for Piwigo '.$piwigo_version.'. Use the administrator fallback until this Piwigo version has been verified.'
+    );
  }
+
  if (empty($conf['enable_synchronization']))
  {
    return new PwgError(403, 'Piwigo filesystem synchronization is disabled.');
  }

  $site_id = isset($params['site_id']) ? (int)$params['site_id'] : 1;
-  if ($site_id < 1) return new PwgError(400, 'Invalid site_id.');
+  if ($site_id < 1)
+  {
+    return new PwgError(400, 'Invalid site_id.');
+  }

-  include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
-  include_once(PHPWG_ROOT_PATH.'admin/site_reader_local.php');
-
-  $result = pwg_query('SELECT galleries_url FROM '.SITES_TABLE.' WHERE id='.$site_id.' LIMIT 1');
-  if (!pwg_db_num_rows($result)) return new PwgError(404, 'Piwigo site does not exist.');
-  list($site_url) = pwg_db_fetch_row($result);
-  if (url_is_remote($site_url)) return new PwgError(400, 'Remote Piwigo sites are not supported.');
-
-  $site_reader = new LocalSiteReader($site_url);
-  if (!$site_reader->open()) return new PwgError(500, 'Piwigo could not open the configured local site.');
-
-  $basedir = preg_replace('#/*$#', '', (string)$site_url);
-  $errors = array();
-  $counts = array(
-    'reused_categories'=>0,
-    'new_categories'=>0,
-    'removed_duplicate_categories'=>0,
-    'new_elements'=>0,
-    'del_elements'=>0,
-    'upd_elements'=>0,
-  );
+  $saved_get = $_GET;
+  $saved_post = $_POST;
+  $saved_request_method = isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] : null;
+  $saved_default_status = isset($conf['newcat_default_status']) ? $conf['newcat_default_status'] : null;
+  $saved_template_dirs = null;
+  $output = '';
+  $counts = array();

  try
  {
-    list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW()'));
-    $fs_dirs = $site_reader->get_full_directories($basedir);
-    usort($fs_dirs, function($a, $b)
+    if (!defined('IN_ADMIN'))
    {
-      return substr_count((string)$a, '/') <=> substr_count((string)$b, '/');
-    });
-
-    $album_cache = array();
-    $created_ids = array();
-    $dir_to_album = array();
-    foreach ($fs_dirs as $full_dir)
-    {
-      $relative = bratonien_tools_nc_relative_path($basedir, $full_dir);
-      if ($relative === '') continue;
-      $before = count($created_ids);
-      $album_id = bratonien_tools_nc_ensure_album_path($relative, $site_id, $album_cache, $created_ids);
-      if ($album_id !== null)
-      {
-        $dir_to_album[$full_dir] = $album_id;
-        if (count($created_ids) === $before) $counts['reused_categories']++;
-      }
-    }
-    $counts['new_categories'] = count($created_ids);
-
-    $fs = $site_reader->get_elements($basedir);
-    $db_elements = bratonien_tools_nc_managed_images($basedir);
-    $db_by_path = array_flip($db_elements);
-
-    // Nicht-destruktiver Schutz: Bestehende Piwigo-Bilder werden niemals allein
-    // deshalb geloescht, weil sie im aktuellen WebDAV-Scan nicht vorkommen.
-    // Das Entfernen ist erst wieder zulaessig, wenn Connector-Eigentum eindeutig
-    // und verbindungsbezogen gespeichert wird.
-
-    $next_element_id = pwg_db_nextval('id', IMAGES_TABLE);
-    $image_inserts = array();
-    $image_links = array();
-    $new_ids = array();
-    $all_ids = array();
-
-    foreach ($fs as $path=>$file_info)
-    {
-      $dirname = dirname($path);
-      $relative_dir = bratonien_tools_nc_relative_path($basedir, $dirname);
-      $category_id = null;
-      if ($relative_dir !== '')
-      {
-        $category_id = $dir_to_album[$dirname] ?? bratonien_tools_nc_ensure_album_path($relative_dir, $site_id, $album_cache, $created_ids);
-      }
-
-      if (isset($db_by_path[$path]))
-      {
-        // Altbestand niemals umhaengen. Vorhandene Bild-Album-Zuordnungen bleiben
-        // exakt bestehen; der Connector darf nur neue Datensaetze ergaenzen.
-        $all_ids[] = (int)$db_by_path[$path];
-        continue;
-      }
-
-      $filename = basename($path);
-      if (!preg_match($conf['sync_chars_regex'], $filename))
-      {
-        bratonien_tools_nc_productive_error($errors, $path, 'PWG-UPDATE-1');
-        continue;
-      }
-
-      $id = $next_element_id++;
-      $image_inserts[] = array(
-        'id'=>$id,
-        'file'=>$filename,
-        'name'=>get_name_from_file($filename),
-        'date_available'=>$dbnow,
-        'path'=>$path,
-        'representative_ext'=>$file_info['representative_ext'],
-        'storage_category_id'=>null,
-        'added_by'=>(int)$user['id'],
-      );
-      if ($category_id !== null)
-      {
-        $image_links[] = array('image_id'=>$id, 'category_id'=>$category_id);
-      }
-      $new_ids[] = $id;
-      $all_ids[] = $id;
+      define('IN_ADMIN', true);
    }

-    if ($image_inserts)
+    if (is_object($template) && isset($template->smarty) && method_exists($template, 'set_template_dir'))
    {
-      mass_inserts(IMAGES_TABLE, array_keys($image_inserts[0]), $image_inserts);
-      if ($image_links) mass_inserts(IMAGE_CATEGORY_TABLE, array_keys($image_links[0]), $image_links);
-      pwg_activity('photo', $new_ids, 'add', array('sync'=>true));
-      $counts['new_elements'] = count($new_ids);
+      $saved_template_dirs = $template->smarty->getTemplateDir();
+      $template->set_template_dir(PHPWG_ROOT_PATH.'admin/themes/default/template');
    }

-    // Bestehende Bilder werden nicht durch den Connector aktualisiert. Nur neu
-    // angelegte Connector-Bilder erhalten die aus der Quelle ermittelten Attribute.
-    $updates = array();
-    foreach ($new_ids as $id)
-    {
-      $path_result = pwg_query('SELECT path FROM '.IMAGES_TABLE.' WHERE id='.(int)$id.' LIMIT 1');
-      if (!pwg_db_num_rows($path_result)) continue;
-      list($path) = pwg_db_fetch_row($path_result);
-      $data = $site_reader->get_element_update_attributes($path);
-      if (!is_array($data)) continue;
-      $data['id'] = (int)$id;
-      $updates[] = $data;
-    }
-    if ($updates)
-    {
-      mass_updates(
-        IMAGES_TABLE,
-        array('primary'=>array('id'), 'update'=>$site_reader->get_update_attributes()),
-        $updates
-      );
-    }
-    $counts['upd_elements'] = count($updates);
-
-    images_integrity();
-    categories_integrity();
-    update_uppercats();
-    update_category('all');
-    update_global_rank();
-    invalidate_user_cache();
-
-    return array(
-      'mode'=>'productive',
-      'piwigo_version'=>$piwigo_version,
-      'site_id'=>$site_id,
-      'site_url'=>$site_url,
-      'counts'=>$counts,
-      'errors'=>$errors,
-      'database_writes'=>array_sum($counts) > 0,
+    $conf['newcat_default_status'] = 'private';
+    $_SERVER['REQUEST_METHOD'] = 'POST';
+    $_GET = array(
+      'page' => 'site_update',
+      'site' => $site_id,
    );
+    $_POST = array(
+      'sync' => 'files',
+      'display_info' => 1,
+      'privacy_level' => 0,
+      'sync_meta' => 1,
+      'simulate' => 0,
+      'subcats-included' => 1,
+      'bratonien_connector' => 1,
+      'submit' => 1,
+    );
+
+    ob_start();
+    include(PHPWG_ROOT_PATH.'admin/site_update.php');
+    $output = (string)ob_get_clean();
  }
-  catch (Throwable $error)
+  catch (Throwable $e)
  {
-    return new PwgError(500, 'Bratonien NC synchronization failed: '.$error->getMessage());
+    if (ob_get_level() > 0)
+    {
+      ob_end_clean();
+    }
+    return new PwgError(500, 'Piwigo core synchronization failed: '.$e->getMessage());
  }
+  finally
+  {
+    $_GET = $saved_get;
+    $_POST = $saved_post;
+
+    if ($saved_template_dirs !== null && is_object($template) && isset($template->smarty))
+    {
+      $template->smarty->setTemplateDir($saved_template_dirs);
+    }
+
+    if ($saved_default_status === null)
+    {
+      unset($conf['newcat_default_status']);
+    }
+    else
+    {
+      $conf['newcat_default_status'] = $saved_default_status;
+    }
+    if ($saved_request_method === null)
+    {
+      unset($_SERVER['REQUEST_METHOD']);
+    }
+    else
+    {
+      $_SERVER['REQUEST_METHOD'] = $saved_request_method;
+    }
+  }
+
+  return array(
+    'mode' => 'productive',
+    'approved_piwigo_version' => '16.4.0',
+    'piwigo_version' => $piwigo_version,
+    'site_id' => $site_id,
+    'counts' => is_array($counts) ? $counts : array(),
+    'database_writes' => true,
+    'core_output_bytes' => strlen($output),
+    'username' => isset($user['username']) ? (string)$user['username'] : '',
+    'status' => isset($user['status']) ? (string)$user['status'] : '',
+  );
 }
--- a/include/tool_registry.inc.php
+++ b/include/tool_registry.inc.php
@@ -47,8 +47,17 @@ require_once(BRATONIEN_TOOLS_PATH . 'include/nc_connector_system.inc.php');

 function bratonien_tools_nc_connector_run_now()
 {
-  $result = bratonien_tools_nc_scheduler_spawn(true);
-  return array('message'=>(string)($result['message'] ?? 'NC-Abgleich wurde gestartet.'));
+  $connection_id = isset($_POST['connection_id']) ? max(0, (int)$_POST['connection_id']) : 0;
+  if ($connection_id > 0)
+  {
+    $connection = bratonien_tools_nc_connector_connection($connection_id, false);
+    if (!$connection)
+    {
+      throw new RuntimeException('Die ausgewählte Verbindung existiert nicht.');
+    }
+  }
+  $result = bratonien_tools_nc_scheduler_spawn(true, $connection_id);
+  return array('message'=>(string)($result['message'] ?? ($connection_id > 0 ? 'Abgleich wurde gestartet.' : 'Abgleich für alle Verbindungen wurde gestartet.')));
 }

 function bratonien_tools_get_tools()
--- a/include/watermark_engine.inc.php
+++ b/include/watermark_engine.inc.php
@@ -8,8 +8,17 @@ require_once(BRATONIEN_TOOLS_PATH . 'include/watermark_base.inc.php');

 function bratonien_tools_watermark_engine_enabled()
 {
+  static $initialized = false;
+  static $enabled = false;
+
+  if ($initialized)
+  {
+    return $enabled;
+  }
+
  $config = bratonien_tools_get_watermark_engine_config();
  $enabled = !empty($config['enabled']);
+  $initialized = true;

  // Piwigo recalculates use_watermark for custom derivatives from the native
  // watermark file itself. Therefore an active Bratonien engine must keep the
--- a/include/webdav_image_runtime.inc.php
+++ b/include/webdav_image_runtime.inc.php
@@ -49,21 +49,18 @@ function bratonien_tools_webdav_image_source_info($image_id)
  }

  $root_path = '';
-  $root_found = false;
  $roots = isset($config['roots']) && is_array($config['roots']) ? $config['roots'] : array();
  foreach ($roots as $root)
  {
    if ((int)($root['fileid'] ?? 0) === $root_fileid)
    {
      $root_path = trim((string)($root['webdav_path'] ?? ''), '/');
-      $root_found = true;
      break;
    }
  }
-  if (!$root_found) return $cache[$image_id] = null;
+  if ($root_path === '') return $cache[$image_id] = null;

-  $root_is_base = $root_path === '';
-  $webdav_path = $root_is_base ? $relative_path : $root_path.'/'.$relative_path;
+  $webdav_path = $root_path.'/'.$relative_path;
  $content_type = '';
  $size = 0;
  $etag = '';
@@ -93,7 +90,6 @@ function bratonien_tools_webdav_image_source_info($image_id)
    'image_id'=>$image_id,
    'connection_id'=>$connection_id,
    'webdav_path'=>$webdav_path,
-    'root_is_base'=>$root_is_base,
    'content_type'=>$content_type,
    'size'=>$size,
    'etag'=>$etag,
@@ -419,22 +415,19 @@ function bratonien_tools_filter_webdav_derivative_url($url, $params, $src_image,
  $info = bratonien_tools_webdav_image_source_info((int)$src_image->id);
  if (!$info) return $url;

-  if (empty($info['root_is_base']))
+  try
  {
-    try
+    $derivative = new DerivativeImage($params, $src_image);
+    if (!$derivative->same_as_source())
    {
-      $derivative = new DerivativeImage($params, $src_image);
-      if (!$derivative->same_as_source())
-      {
-        $path = $derivative->get_path();
-        if ($path !== '' && is_file($path) && is_readable($path)) return $url;
-      }
-    }
-    catch (Throwable $e)
-    {
-      error_log('Bratonien WebDAV derivative lookup #'.(int)$src_image->id.': '.$e->getMessage());
+      $path = $derivative->get_path();
+      if ($path !== '' && is_file($path) && is_readable($path)) return $url;
    }
  }
+  catch (Throwable $e)
+  {
+    error_log('Bratonien WebDAV derivative lookup #'.(int)$src_image->id.': '.$e->getMessage());
+  }

  $preview_url = bratonien_tools_webdav_image_url((int)$src_image->id, true);
  return $preview_url ?: $url;
--- a/js/admin_tabs.js
+++ b/js/admin_tabs.js
@@ -1,94 +1,6 @@
 (function () {
  'use strict';

-  function initNcRouteStatus() {
-    var section = document.getElementById('nc-connector');
-    if (!section) return;
-
-    var statusCard = section.querySelector('.bratonien-grid .bratonien-card');
-    if (!statusCard) return;
-
-    var grid = statusCard.querySelector('.bratonien-form-grid');
-    if (!grid) return;
-
-    var routeLabel = document.createElement('span');
-    routeLabel.className = 'bratonien-label';
-    routeLabel.textContent = 'Aktiver Datenweg';
-
-    var routeValue = document.createElement('strong');
-    routeValue.setAttribute('data-nc-route-status', '');
-    routeValue.textContent = 'Noch kein Lauf erfasst';
-
-    var routeTimeLabel = document.createElement('span');
-    routeTimeLabel.className = 'bratonien-label';
-    routeTimeLabel.textContent = 'Datenweg zuletzt';
-
-    var routeTimeValue = document.createElement('strong');
-    routeTimeValue.setAttribute('data-nc-route-time', '');
-    routeTimeValue.textContent = 'Nicht verfügbar';
-
-    grid.appendChild(routeLabel);
-    grid.appendChild(routeValue);
-    grid.appendChild(routeTimeLabel);
-    grid.appendChild(routeTimeValue);
-
-    var detail = document.createElement('p');
-    detail.className = 'bratonien-base-note';
-    detail.setAttribute('data-nc-route-detail', '');
-    detail.textContent = 'Der Datenweg wird nach dem nächsten Connector-Lauf angezeigt.';
-    statusCard.appendChild(detail);
-
-    var basePath = window.location.pathname.replace(/admin\.php.*$/, '');
-    var statusUrl = basePath + '_data/bratonien-tools/nc-connector-status/route-status.json';
-
-    function formatTime(timestamp) {
-      if (!timestamp) return 'Nicht verfügbar';
-      var date = new Date(Number(timestamp) * 1000);
-      if (Number.isNaN(date.getTime())) return 'Nicht verfügbar';
-      return date.toLocaleString('de-DE');
-    }
-
-    function render(data) {
-      var label = data && data.label ? String(data.label) : 'Unbekannt';
-      var route = data && data.route ? String(data.route) : '';
-      routeValue.textContent = label;
-      routeTimeValue.textContent = formatTime(data && data.timestamp);
-
-      if (route === 'webdav') {
-        routeValue.textContent = 'WEBDAV PRIMÄR';
-        detail.textContent = 'Portierung läuft über WebDAV. Legacy wurde in diesem Lauf nicht benutzt.';
-      } else if (route === 'legacy_fallback') {
-        routeValue.textContent = 'LEGACY-FALLBACK AKTIV';
-        detail.textContent = 'WebDAV war nicht erfolgreich. Dieser Lauf wurde über die alte Struktur abgefangen.';
-      } else if (route === 'failed') {
-        routeValue.textContent = 'FEHLER - KEIN ERFOLGREICHER DATENWEG';
-        detail.textContent = data && data.detail ? String(data.detail) : 'WebDAV und Fallback sind fehlgeschlagen.';
-      } else {
-        detail.textContent = data && data.detail ? String(data.detail) : 'Unbekannter Datenweg.';
-      }
-    }
-
-    function refresh() {
-      fetch(statusUrl + '?t=' + Date.now(), {
-        cache: 'no-store',
-        credentials: 'same-origin'
-      })
-        .then(function (response) {
-          if (!response.ok) throw new Error('status unavailable');
-          return response.json();
-        })
-        .then(render)
-        .catch(function () {
-          routeValue.textContent = 'Noch kein Lauf erfasst';
-          routeTimeValue.textContent = 'Nicht verfügbar';
-          detail.textContent = 'Nach dem nächsten Connector-Lauf wird hier WebDAV oder Legacy-Fallback angezeigt.';
-        });
-    }
-
-    refresh();
-    window.setInterval(refresh, 10000);
-  }
-
  function initBratonienTabs() {
    var admin = document.querySelector('.bratonien-admin');
    if (!admin) return;
@@ -201,14 +113,9 @@
    activate(initial, false);
  }

-  function init() {
-    initBratonienTabs();
-    initNcRouteStatus();
-  }
-
  if (document.readyState === 'loading') {
-    document.addEventListener('DOMContentLoaded', init);
+    document.addEventListener('DOMContentLoaded', initBratonienTabs);
  } else {
-    init();
+    initBratonienTabs();
  }
 })();
--- a/js/nc_connector_edit_v2.js
+++ b/js/nc_connector_edit_v2.js
@@ -1,236 +1,193 @@
 (function () {
  'use strict';

-  function ready(callback) {
-    if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', callback);
-    else callback();
+  var statusEndpoint = 'plugins/bratonien_tools/nc-connector-status.php';
+
+  function ensureLiveStatus(detail, actions) {
+    var node = detail.querySelector('[data-nc-run-live]');
+    if (node) return node;
+
+    node = document.createElement('div');
+    node.setAttribute('data-nc-run-live', '1');
+    node.className = 'bratonien-base-note';
+    node.style.marginTop = '.6rem';
+    node.hidden = true;
+    actions.parentNode.insertBefore(node, actions.nextSibling);
+    return node;
  }

-  ready(function () {
+  function renderLiveStatus(node, data) {
+    var state = String(data && data.state || '');
+    var message = String(data && data.message || '');
+    var detail = String(data && data.error_detail || '');
+
+    node.hidden = false;
+    node.innerHTML = '';
+
+    var strong = document.createElement('strong');
+    if (state === 'queued') strong.textContent = 'Angefordert: ';
+    else if (state === 'running') strong.textContent = 'Läuft: ';
+    else if (state === 'ok' || state === 'success') strong.textContent = 'Erfolgreich: ';
+    else if (state === 'error') strong.textContent = 'Fehler: ';
+    else strong.textContent = 'Status: ';
+    node.appendChild(strong);
+    node.appendChild(document.createTextNode(message || state || 'Status wird ermittelt …'));
+
+    if (detail) {
+      var details = document.createElement('details');
+      details.style.marginTop = '.35rem';
+      var summary = document.createElement('summary');
+      summary.textContent = 'Technische Laufzeitdetails';
+      var pre = document.createElement('pre');
+      pre.style.whiteSpace = 'pre-wrap';
+      pre.style.wordBreak = 'break-word';
+      pre.textContent = detail;
+      details.appendChild(summary);
+      details.appendChild(pre);
+      node.appendChild(details);
+    }
+  }
+
+  function pollConnection(connectionId, node, button) {
+    var attempts = 0;
+    var maxAttempts = 180;
+    var timer = null;
+
+    function stop() {
+      if (timer) window.clearInterval(timer);
+      timer = null;
+      if (button) {
+        button.disabled = false;
+        button.textContent = 'Jetzt abgleichen';
+      }
+    }
+
+    function poll() {
+      attempts += 1;
+      fetch(statusEndpoint + '?connection_id=' + encodeURIComponent(connectionId) + '&_=' + Date.now(), {
+        credentials: 'same-origin',
+        cache: 'no-store',
+        headers: {'Accept': 'application/json'}
+      })
+        .then(function (response) {
+          if (!response.ok) throw new Error('HTTP ' + response.status);
+          return response.json();
+        })
+        .then(function (data) {
+          renderLiveStatus(node, data);
+          var state = String(data && data.state || '');
+          if (state === 'ok' || state === 'success' || state === 'error' || attempts >= maxAttempts) stop();
+        })
+        .catch(function (error) {
+          if (attempts >= maxAttempts) {
+            renderLiveStatus(node, {state: 'error', message: 'Status konnte nicht gelesen werden.', error_detail: error.message});
+            stop();
+          }
+        });
+    }
+
+    poll();
+    timer = window.setInterval(poll, 1000);
+  }
+
+  function bindRunNow(form, detail, liveNode) {
+    if (form.dataset.ncRunBound === '1') return;
+    form.dataset.ncRunBound = '1';
+
+    form.addEventListener('submit', function (event) {
+      event.preventDefault();
+      detail.open = true;
+
+      var button = form.querySelector('button[value="nc_connector_run_now"]');
+      var connectionInput = form.querySelector('input[name="connection_id"]');
+      if (!connectionInput) return;
+
+      if (button) {
+        button.disabled = true;
+        button.textContent = 'Abgleich wird gestartet …';
+      }
+      renderLiveStatus(liveNode, {state: 'queued', message: 'Abgleich wird angefordert …'});
+
+      fetch(form.action || window.location.href, {
+        method: 'POST',
+        credentials: 'same-origin',
+        cache: 'no-store',
+        body: new FormData(form)
+      })
+        .then(function (response) {
+          if (!response.ok) throw new Error('HTTP ' + response.status);
+          renderLiveStatus(liveNode, {state: 'queued', message: 'Abgleich wurde angefordert.'});
+          pollConnection(connectionInput.value, liveNode, button);
+        })
+        .catch(function (error) {
+          renderLiveStatus(liveNode, {state: 'error', message: 'Abgleich konnte nicht angefordert werden.', error_detail: error.message});
+          if (button) {
+            button.disabled = false;
+            button.textContent = 'Jetzt abgleichen';
+          }
+        });
+    });
+  }
+
+  function restoreRunNowButtons() {
    var section = document.getElementById('nc-connector');
    if (!section) return;

-    var tokenInput = section.querySelector('input[name="pwg_token"]');
-    var pwgToken = tokenInput ? tokenInput.value : '';
+    var connectionCard = null;
+    var headings = section.querySelectorAll('h4');
+    for (var i = 0; i < headings.length; i++) {
+      if ((headings[i].textContent || '').trim() === 'Bestehende Verbindungen') {
+        connectionCard = headings[i].closest('.bratonien-card');
+        break;
+      }
+    }
+    if (!connectionCard) return;

-    var technicalButton = document.getElementById('bratonien-nc-technical-open');
-    if (technicalButton) technicalButton.remove();
-    var technicalCreate = document.getElementById('bratonien-nc-technical-create');
-    if (technicalCreate) technicalCreate.remove();
+    var details = connectionCard.querySelectorAll(':scope > details');
+    details.forEach(function (detail) {
+      var actions = detail.querySelector('.bratonien-actions');
+      if (!actions) return;

-    var statusHeading = Array.prototype.find.call(section.querySelectorAll('h4'), function (heading) {
-      return heading.textContent.trim() === 'Status';
+      var connectionInput = detail.querySelector('input[name="connection_id"]');
+      var tokenInput = detail.querySelector('input[name="pwg_token"]');
+      if (!connectionInput || !tokenInput) return;
+
+      var form = actions.querySelector('form[data-nc-run-now]');
+      if (!form) {
+        form = document.createElement('form');
+        form.method = 'post';
+        form.setAttribute('data-nc-run-now', '1');
+
+        var token = document.createElement('input');
+        token.type = 'hidden';
+        token.name = 'pwg_token';
+        token.value = tokenInput.value;
+        form.appendChild(token);
+
+        var connection = document.createElement('input');
+        connection.type = 'hidden';
+        connection.name = 'connection_id';
+        connection.value = connectionInput.value;
+        form.appendChild(connection);
+
+        var button = document.createElement('button');
+        button.className = 'buttonLike';
+        button.type = 'submit';
+        button.name = 'bratonien_tool';
+        button.value = 'nc_connector_run_now';
+        button.textContent = 'Jetzt abgleichen';
+        form.appendChild(button);
+
+        actions.insertBefore(form, actions.firstChild);
+      }
+
+      bindRunNow(form, detail, ensureLiveStatus(detail, actions));
    });
-    var statusCard = statusHeading ? statusHeading.closest('.bratonien-card') : null;
-    if (statusCard && pwgToken && !statusCard.querySelector('[data-nc-run-now]')) {
-      var runForm = document.createElement('form');
-      runForm.method = 'post';
-      runForm.className = 'bratonien-actions';
-      runForm.style.marginTop = '1rem';
-      runForm.setAttribute('data-nc-run-now', '1');
-      runForm.innerHTML = '<input type="hidden" name="pwg_token" value="'+escapeHtml(pwgToken)+'">'
-        + '<button class="buttonLike" type="submit" name="bratonien_tool" value="nc_connector_run_now">Jetzt abgleichen</button>';
-      runForm.addEventListener('submit', function () {
-        var button = runForm.querySelector('button');
-        if (button) {
-          button.disabled = true;
-          button.textContent = 'Abgleich wird gestartet …';
-        }
-      });
-      statusCard.appendChild(runForm);
-    }
+  }

-    function escapeHtml(value) {
-      return String(value == null ? '' : value).replace(/[&<>"']/g, function (c) {
-        return {'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#039;'}[c];
-      });
-    }
-
-    function loadConnection(id) {
-      return fetch('plugins/bratonien_tools/nc-connector-edit-data.php?connection_id='+encodeURIComponent(id)+'&_='+Date.now(), {
-        credentials:'same-origin', cache:'no-store', headers:{'Accept':'application/json'}
-      }).then(function (response) {
-        return response.json().then(function (data) {
-          if (!response.ok) throw new Error(data.error || ('HTTP '+response.status));
-          return data;
-        });
-      });
-    }
-
-    function createPostForm(label, tool, id) {
-      var form = document.createElement('form');
-      form.method = 'post';
-      form.style.display = 'inline';
-      form.innerHTML = '<input type="hidden" name="pwg_token" value="'+escapeHtml(pwgToken)+'">'
-        + '<input type="hidden" name="connection_id" value="'+escapeHtml(id)+'">'
-        + '<button class="buttonLike" type="submit" name="bratonien_tool" value="'+escapeHtml(tool)+'">'+escapeHtml(label)+'</button>';
-      return form;
-    }
-
-    function dialog() {
-      var node = document.getElementById('bratonien-nc-connection-edit-v2');
-      if (node) return node;
-      node = document.createElement('dialog');
-      node.id = 'bratonien-nc-connection-edit-v2';
-      node.className = 'bratonien-edit-dialog';
-      node.innerHTML = '<div class="bratonien-edit-dialog__body">'
-        + '<div style="display:flex;align-items:flex-start;justify-content:space-between;gap:1rem">'
-        + '<div><h4 style="margin:0">Verbindung bearbeiten</h4><p class="bratonien-base-note" style="margin:.35rem 0 0">Die Einstellungen gelten nur für diese Verbindung.</p></div>'
-        + '<button type="button" class="buttonLike" data-edit-close>Schließen</button></div>'
-        + '<div data-edit-content style="margin-top:1rem"></div></div>';
-      document.body.appendChild(node);
-      node.querySelector('[data-edit-close]').addEventListener('click', function () { node.close(); });
-      node.addEventListener('click', function (event) { if (event.target === node) node.close(); });
-      return node;
-    }
-
-    function storageRow(storage) {
-      storage = storage || {};
-      return '<div class="bratonien-storage-row" data-storage-row>'
-        + '<label>Storage-ID<input name="nc_storage_id[]" value="'+escapeHtml(storage.storage_id || '')+'" required></label>'
-        + '<label>Quellordner<input name="nc_source_prefix[]" value="'+escapeHtml(storage.source_prefix || '')+'" placeholder="optional"></label>'
-        + '<label>Lokaler Speicherpfad<input name="nc_local_mount[]" value="'+escapeHtml(storage.local_mount || '')+'" required></label>'
-        + '<button type="button" class="buttonLike" data-remove-storage>Entfernen</button></div>';
-    }
-
-    function showError(form, data) {
-      var old = form.querySelector('[data-edit-error]');
-      if (old) old.remove();
-      var box = document.createElement('div');
-      box.dataset.editError = '1';
-      box.className = 'bratonien-main-cache__warning';
-      box.style.margin = '0 0 1rem';
-      box.textContent = (data && data.message) ? data.message : 'Die Verbindung konnte nicht gespeichert werden.';
-      form.insertBefore(box, form.firstChild);
-    }
-
-    function submitLocal(form, editDialog) {
-      if (!form.reportValidity()) return;
-      var button = form.querySelector('button[type="submit"]');
-      if (button) button.disabled = true;
-      fetch('plugins/bratonien_tools/nc-connector-edit-save.php', {
-        method:'POST', credentials:'same-origin', cache:'no-store', headers:{'Accept':'application/json'}, body:new FormData(form)
-      }).then(function (response) {
-        return response.json().then(function (data) {
-          if (!response.ok || !data.ok) { showError(form, data); return; }
-          editDialog.close();
-          window.location.reload();
-        });
-      }).catch(function (error) {
-        showError(form, {message:error.message || String(error)});
-      }).finally(function () {
-        if (button) button.disabled = false;
-      });
-    }
-
-    function openLocalEditor(id) {
-      var editDialog = dialog();
-      var content = editDialog.querySelector('[data-edit-content]');
-      content.innerHTML = '<p class="bratonien-base-note">Verbindung wird geladen …</p>';
-      if (typeof editDialog.showModal === 'function') editDialog.showModal();
-      else editDialog.setAttribute('open', 'open');
-
-      loadConnection(id).then(function (data) {
-        if (data.adapter !== 'local') throw new Error('Diese Verbindung wird über den WebDAV-Assistenten bearbeitet.');
-        var legacy = data.legacy || {};
-        var webdav = data.webdav || {};
-        var storages = Array.isArray(legacy.storages) ? legacy.storages : [];
-        var rows = storages.map(storageRow).join('') || storageRow({});
-
-        content.innerHTML = '<form method="post" data-edit-form>'
-          + '<input type="hidden" name="pwg_token" value="'+escapeHtml(pwgToken)+'">'
-          + '<input type="hidden" name="connection_id" value="'+escapeHtml(data.id)+'">'
-          + '<h5>Verbindung</h5><div class="bratonien-form-grid">'
-          + '<label class="bratonien-label">Name</label><input name="connection_name" value="'+escapeHtml(data.name)+'" required>'
-          + '</div>'
-          + '<h5 style="margin-top:1.2rem">Nextcloud</h5><div class="bratonien-form-grid">'
-          + '<label class="bratonien-label">Nextcloud-Adresse</label><input name="nc_nextcloud_url" value="'+escapeHtml(webdav.nextcloud_url || '')+'">'
-          + '<label class="bratonien-label">Nextcloud-Benutzer</label><input name="nc_nextcloud_user" value="'+escapeHtml(webdav.nextcloud_user || '')+'" autocomplete="username">'
-          + '<label class="bratonien-label">Nextcloud-Passwort</label><input name="nc_nextcloud_password" type="password" autocomplete="current-password" placeholder="'+(webdav.has_nextcloud_password ? 'gespeichert – leer = unverändert' : 'noch nicht gespeichert')+'">'
-          + '</div>'
-          + '<h5 style="margin-top:1.2rem">Piwigo-Zugang</h5><div class="bratonien-form-grid">'
-          + '<label class="bratonien-label">API-Schlüssel-ID</label><input name="nc_connection_api_key_id" value="'+escapeHtml(webdav.api_key_id || '')+'" autocomplete="off">'
-          + '<label class="bratonien-label">API-Geheimnis</label><input name="nc_connection_api_key_secret" type="password" autocomplete="new-password" placeholder="'+(webdav.has_api_key_secret ? 'gespeichert – leer = unverändert' : 'noch nicht gespeichert')+'">'
-          + '<label class="bratonien-label">Fallback-Benutzer</label><input name="nc_fallback_user" value="'+escapeHtml(webdav.fallback_user || '')+'" autocomplete="username">'
-          + '<label class="bratonien-label">Fallback-Passwort</label><input name="nc_fallback_password" type="password" autocomplete="current-password" placeholder="'+(webdav.has_fallback_password ? 'gespeichert – leer = unverändert' : 'noch nicht gespeichert')+'">'
-          + '</div>'
-          + '<h5 style="margin-top:1.2rem">Lokaler Connector</h5><div class="bratonien-form-grid">'
-          + '<label class="bratonien-label">Datenbank-Server</label><input name="nc_host" value="'+escapeHtml(legacy.host)+'" required>'
-          + '<label class="bratonien-label">Port</label><input name="nc_port" type="number" min="1" max="65535" value="'+escapeHtml(legacy.port || 5432)+'" required>'
-          + '<label class="bratonien-label">Datenbank</label><input name="nc_database" value="'+escapeHtml(legacy.database)+'" required>'
-          + '<label class="bratonien-label">Reader-Benutzer</label><input name="nc_user" value="'+escapeHtml(legacy.user)+'" required>'
-          + '<label class="bratonien-label">Reader-Passwort</label><input name="nc_db_password" type="password" autocomplete="new-password" placeholder="'+(legacy.has_db_password ? 'gespeichert – leer = unverändert' : 'noch nicht gespeichert')+'">'
-          + '</div>'
-          + '<h5 style="margin-top:1.2rem">Speicherorte</h5><div data-storage-list>'+rows+'</div>'
-          + '<button type="button" class="buttonLike" data-add-storage>Speicherort hinzufügen</button>'
-          + '<details style="margin-top:1rem"><summary>Erweiterte Einstellungen</summary><div class="bratonien-form-grid" style="margin-top:.75rem">'
-          + '<label class="bratonien-label">Source-View</label><input name="nc_source_view" value="'+escapeHtml(legacy.source_view)+'" required>'
-          + '<label class="bratonien-label">Activity-View</label><input name="nc_activity_view" value="'+escapeHtml(legacy.activity_view)+'" required>'
-          + '<label class="bratonien-label">Piwigo-Galerieordner</label><input name="nc_gallery_root" value="'+escapeHtml(legacy.gallery_root)+'" required>'
-          + '<label class="bratonien-label">Ruhezeit (Sek.)</label><input name="nc_quiet_seconds" type="number" min="0" value="'+escapeHtml(legacy.quiet_seconds)+'">'
-          + '<label class="bratonien-label">Maximale Wartezeit (Sek.)</label><input name="nc_max_wait_seconds" type="number" min="60" value="'+escapeHtml(legacy.max_wait_seconds)+'">'
-          + '<label class="bratonien-label">Vollprüfung nach (Sek.)</label><input name="nc_full_sync_seconds" type="number" min="300" value="'+escapeHtml(legacy.full_sync_seconds)+'">'
-          + '</div></details>'
-          + '<div class="bratonien-actions" style="margin-top:1rem"><button class="buttonLike" type="submit">Änderungen prüfen und speichern</button><button class="buttonLike" type="button" data-cancel>Abbrechen</button></div>'
-          + '</form>';
-
-        var form = content.querySelector('[data-edit-form]');
-        form.querySelector('[data-cancel]').addEventListener('click', function () { editDialog.close(); });
-        form.querySelector('[data-add-storage]').addEventListener('click', function () {
-          form.querySelector('[data-storage-list]').insertAdjacentHTML('beforeend', storageRow({}));
-        });
-        form.addEventListener('click', function (event) {
-          var remove = event.target.closest('[data-remove-storage]');
-          if (remove) {
-            var row = remove.closest('[data-storage-row]');
-            if (row) row.remove();
-          }
-        });
-        form.addEventListener('submit', function (event) {
-          event.preventDefault();
-          submitLocal(form, editDialog);
-        });
-      }).catch(function (error) {
-        content.innerHTML = '<p class="bratonien-main-cache__warning"><strong>Bearbeiten nicht möglich:</strong> '+escapeHtml(error.message || String(error))+'</p>';
-      });
-    }
-
-    [].slice.call(section.querySelectorAll('button[value="nc_connector_edit_start"]')).forEach(function (button) {
-      var form = button.closest('form');
-      if (form) form.remove();
-    });
-
-    [].slice.call(section.querySelectorAll('button[value="nc_connector_migrate_start"]')).forEach(function (button) {
-      var form = button.closest('form');
-      if (form) form.remove();
-    });
-
-    [].slice.call(section.querySelectorAll('button[value="nc_connector_delete"]')).forEach(function (deleteButton) {
-      var deleteForm = deleteButton.closest('form');
-      if (!deleteForm || !deleteForm.parentElement) return;
-      var idInput = deleteForm.querySelector('input[name="connection_id"]');
-      if (!idInput) return;
-      var id = idInput.value;
-      var actions = deleteForm.parentElement;
-
-      loadConnection(id).then(function (data) {
-        var edit;
-        if (data.adapter === 'local') {
-          edit = document.createElement('button');
-          edit.type = 'button';
-          edit.className = 'buttonLike';
-          edit.textContent = 'Bearbeiten';
-          edit.addEventListener('click', function () { openLocalEditor(id); });
-        } else {
-          edit = createPostForm('Bearbeiten', 'nc_connector_edit_start', id);
-        }
-        actions.insertBefore(edit, deleteForm);
-      }).catch(function (error) {
-        var info = document.createElement('span');
-        info.className = 'bratonien-main-cache__warning';
-        info.textContent = 'Verbindung konnte nicht geladen werden: '+(error.message || String(error));
-        actions.insertBefore(info, deleteForm);
-      });
-    });
-  });
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', restoreRunNowButtons);
+  } else {
+    restoreRunNowButtons();
+  }
 })();
--- a/main.inc.php
+++ b/main.inc.php
@@ -1,7 +1,7 @@
 <?php
 /*
 Plugin Name: Bratonien Tools
-Version: 0.9.7.3
+Version: 0.9.7.24
 Description: Erweiterbare Administrationswerkzeuge fuer die Bratonien-Piwigo-Installation.
 Plugin URI: https://github.com/Terranom674/Piwigo_Bratonien_Tools
 Author: Bratonien
@@ -36,7 +36,6 @@ add_event_handler('init', 'bratonien_tools_prepare_connector_private_import', EV
 add_event_handler('init', 'bratonien_tools_prepare_private_album_permissions', EVENT_HANDLER_PRIORITY_NEUTRAL - 20);
 add_event_handler('init', 'bratonien_tools_preserve_private_album_access', EVENT_HANDLER_PRIORITY_NEUTRAL - 10);
 add_event_handler('init', 'bratonien_tools_album_shares_init');
-add_event_handler('init', 'bratonien_tools_nc_scheduler_tick', EVENT_HANDLER_PRIORITY_NEUTRAL + 100);
 add_event_handler('delete_categories', 'bratonien_tools_album_shares_on_delete_categories');
 add_event_handler('ws_add_methods', 'bratonien_tools_register_ws_methods');
 add_event_handler('ws_add_methods', 'bratonien_tools_register_nc_orphan_ws_methods');
--- a/nc-connector-edit-data.php
+++ b/nc-connector-edit-data.php
@@ -1,93 +0,0 @@
-<?php
-$piwigo_root = realpath(dirname(__DIR__, 2));
-if ($piwigo_root === false)
-{
-  http_response_code(500);
-  exit;
-}
-define('PHPWG_ROOT_PATH', rtrim($piwigo_root, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR);
-include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
-
-header('Content-Type: application/json; charset=utf-8');
-header('Cache-Control: no-store, max-age=0');
-
-if (!defined('BRATONIEN_TOOLS_PATH'))
-{
-  http_response_code(404);
-  echo json_encode(array('error'=>'Bratonien Tools ist nicht aktiv.'));
-  exit;
-}
-if (!function_exists('is_admin') || !is_admin())
-{
-  http_response_code(403);
-  echo json_encode(array('error'=>'Administratorrechte erforderlich.'));
-  exit;
-}
-
-require_once(BRATONIEN_TOOLS_PATH.'include/nc_connector.inc.php');
-require_once(BRATONIEN_TOOLS_PATH.'include/nc_connector_manage.inc.php');
-require_once(BRATONIEN_TOOLS_PATH.'include/nc_connector_connection_scope.inc.php');
-
-$id = (int)($_GET['connection_id'] ?? 0);
-$connection = bratonien_tools_nc_connector_connection($id, true);
-if (!$connection)
-{
-  http_response_code(404);
-  echo json_encode(array('error'=>'Connector-Verbindung wurde nicht gefunden.'));
-  exit;
-}
-
-$config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
-$credentials = array();
-try
-{
-  $credentials = bratonien_tools_nc_connector_scoped_secret($connection);
-}
-catch (Throwable $e)
-{
-  $credentials = array();
-}
-
-$storages = array();
-foreach ((array)($config['storages'] ?? array()) as $storage)
-{
-  $storages[] = array(
-    'storage_id'=>(string)($storage['storage_id'] ?? ''),
-    'source_prefix'=>(string)($storage['source_prefix'] ?? ''),
-    'local_mount'=>(string)($storage['local_mount'] ?? ''),
-  );
-}
-
-$payload = array(
-  'id'=>(int)$connection['id'],
-  'name'=>(string)$connection['name'],
-  'adapter'=>(string)$connection['adapter'],
-  'enabled'=>(bool)$connection['enabled'],
-  'takeover_state'=>(string)$connection['takeover_state'],
-  'source_mode'=>(string)($config['source_mode'] ?? ''),
-  'legacy'=>array(
-    'host'=>(string)($config['host'] ?? ''),
-    'port'=>(string)($config['port'] ?? '5432'),
-    'database'=>(string)($config['database'] ?? ''),
-    'user'=>(string)($config['user'] ?? ''),
-    'has_db_password'=>trim((string)($credentials['db_password'] ?? '')) !== '',
-    'source_view'=>(string)($config['source_view'] ?? ''),
-    'activity_view'=>(string)($config['activity_view'] ?? ''),
-    'gallery_root'=>(string)($config['gallery_root'] ?? ''),
-    'quiet_seconds'=>(int)($config['quiet_seconds'] ?? 120),
-    'max_wait_seconds'=>(int)($config['max_wait_seconds'] ?? 900),
-    'full_sync_seconds'=>(int)($config['full_sync_seconds'] ?? 86400),
-    'storages'=>$storages,
-  ),
-  'webdav'=>array(
-    'nextcloud_url'=>(string)($config['nextcloud_url'] ?? ''),
-    'nextcloud_user'=>(string)($credentials['nextcloud_user'] ?? $config['nextcloud_access_user'] ?? $config['access_user'] ?? ''),
-    'has_nextcloud_password'=>(string)($credentials['nextcloud_password'] ?? '') !== '',
-    'api_key_id'=>(string)($credentials['api_key_id'] ?? ''),
-    'has_api_key_secret'=>trim((string)($credentials['api_key_secret'] ?? '')) !== '',
-    'fallback_user'=>(string)($credentials['piwigo_user'] ?? ''),
-    'has_fallback_password'=>(string)($credentials['piwigo_password'] ?? '') !== '',
-  ),
-);
-
-echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
--- a/nc-connector-edit-save.php
+++ b/nc-connector-edit-save.php
@@ -1,356 +0,0 @@
-<?php
-$piwigo_root = realpath(dirname(__DIR__, 2));
-if ($piwigo_root === false)
-{
-  http_response_code(500);
-  exit;
-}
-define('PHPWG_ROOT_PATH', rtrim($piwigo_root, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR);
-include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
-
-header('Content-Type: application/json; charset=utf-8');
-header('Cache-Control: no-store, max-age=0');
-
-function bratonien_tools_nc_edit_json($status, array $payload)
-{
-  http_response_code((int)$status);
-  echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
-  exit;
-}
-
-function bratonien_tools_nc_edit_fail($message, array $fields = array(), $stage = '', $detail = '')
-{
-  $visible = trim((string)$message);
-  if ($stage !== '') $visible = 'Bereich: '.$stage.' — '.$visible;
-  if ($detail !== '') $visible .= ' Technische Ursache: '.$detail;
-
-  bratonien_tools_nc_edit_json(422, array(
-    'ok'=>false,
-    'message'=>$visible,
-    'stage'=>(string)$stage,
-    'detail'=>(string)$detail,
-    'fields'=>array_values(array_unique($fields)),
-  ));
-}
-
-function bratonien_tools_nc_edit_probe($url, $username = '', $password = '', array $headers = array())
-{
-  if (!function_exists('curl_init'))
-  {
-    return array('ok'=>false, 'http'=>0, 'errno'=>-1, 'error'=>'cURL ist in PHP nicht verfügbar.', 'body'=>'');
-  }
-
-  $ch = curl_init($url);
-  $options = array(
-    CURLOPT_RETURNTRANSFER=>true,
-    CURLOPT_FOLLOWLOCATION=>true,
-    CURLOPT_MAXREDIRS=>3,
-    CURLOPT_CONNECTTIMEOUT=>8,
-    CURLOPT_TIMEOUT=>15,
-    CURLOPT_HTTPHEADER=>array_merge(array('Accept: application/json'), $headers),
-    CURLOPT_USERAGENT=>'Bratonien-Tools-NC-Editor/'.(function_exists('bratonien_tools_current_version') ? bratonien_tools_current_version() : 'dev'),
-  );
-  if ($username !== '')
-  {
-    $options[CURLOPT_HTTPAUTH] = CURLAUTH_BASIC;
-    $options[CURLOPT_USERPWD] = $username.':'.$password;
-  }
-  curl_setopt_array($ch, $options);
-  $body = curl_exec($ch);
-  $errno = curl_errno($ch);
-  $error = curl_error($ch);
-  $http = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
-  curl_close($ch);
-
-  return array(
-    'ok'=>$body !== false && $errno === 0,
-    'http'=>$http,
-    'errno'=>$errno,
-    'error'=>$error,
-    'body'=>$body === false ? '' : (string)$body,
-  );
-}
-
-if (!defined('BRATONIEN_TOOLS_PATH'))
-{
-  bratonien_tools_nc_edit_json(404, array('ok'=>false, 'message'=>'Bratonien Tools ist nicht aktiv.', 'fields'=>array()));
-}
-if (!function_exists('is_admin') || !is_admin())
-{
-  bratonien_tools_nc_edit_json(403, array('ok'=>false, 'message'=>'Administratorrechte erforderlich.', 'fields'=>array()));
-}
-if (($_SERVER['REQUEST_METHOD'] ?? '') !== 'POST')
-{
-  bratonien_tools_nc_edit_json(405, array('ok'=>false, 'message'=>'Nur POST ist erlaubt.', 'fields'=>array()));
-}
-
-try
-{
-  check_pwg_token();
-  require_once(BRATONIEN_TOOLS_PATH.'include/tool_registry.inc.php');
-
-  $id = (int)($_POST['connection_id'] ?? 0);
-  $connection = bratonien_tools_nc_connector_connection($id, true);
-  if (!$connection)
-  {
-    bratonien_tools_nc_edit_fail('Die zu bearbeitende Verbindung wurde nicht gefunden.', array(), 'Verbindung');
-  }
-
-  $config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
-  $credentials = bratonien_tools_nc_connector_scoped_secret($connection);
-
-  $nextcloud_input = trim((string)($_POST['nc_nextcloud_url'] ?? ($config['nextcloud_url'] ?? '')));
-  $nextcloud_user = trim((string)($_POST['nc_nextcloud_user'] ?? ($credentials['nextcloud_user'] ?? '')));
-  $submitted_nc_password = (string)($_POST['nc_nextcloud_password'] ?? '');
-  $nextcloud_password = $submitted_nc_password !== '' ? $submitted_nc_password : (string)($credentials['nextcloud_password'] ?? '');
-
-  $has_any_nextcloud = $nextcloud_input !== '' || $nextcloud_user !== '' || $nextcloud_password !== '';
-  if ($has_any_nextcloud)
-  {
-    $missing = array();
-    if ($nextcloud_input === '') $missing[] = 'nc_nextcloud_url';
-    if ($nextcloud_user === '') $missing[] = 'nc_nextcloud_user';
-    if ($nextcloud_password === '') $missing[] = 'nc_nextcloud_password';
-    if ($missing)
-    {
-      bratonien_tools_nc_edit_fail(
-        'Die WebDAV-Daten sind unvollständig. Adresse, Benutzer und Passwort werden gemeinsam benötigt.',
-        $missing,
-        'Nextcloud / WebDAV'
-      );
-    }
-
-    try
-    {
-      $candidate_urls = bratonien_tools_nc_wizard_candidate_urls($nextcloud_input);
-    }
-    catch (Throwable $e)
-    {
-      bratonien_tools_nc_edit_fail($e->getMessage(), array('nc_nextcloud_url'), 'Nextcloud / WebDAV');
-    }
-
-    $nextcloud_url = '';
-    $last_probe = null;
-    $last_status_url = '';
-    foreach ($candidate_urls as $candidate_url)
-    {
-      $status_url = $candidate_url.'/status.php';
-      $probe = bratonien_tools_nc_edit_probe($status_url);
-      $last_probe = $probe;
-      $last_status_url = $status_url;
-
-      if (!$probe['ok'] || $probe['http'] < 200 || $probe['http'] >= 300)
-      {
-        continue;
-      }
-
-      $status = json_decode($probe['body'], true);
-      if (!is_array($status) || empty($status['installed']))
-      {
-        continue;
-      }
-
-      $nextcloud_url = $candidate_url;
-      break;
-    }
-
-    if ($nextcloud_url === '')
-    {
-      $attempts = array();
-      foreach ($candidate_urls as $candidate_url)
-      {
-        $attempts[] = $candidate_url.'/status.php';
-      }
-      if (is_array($last_probe) && !$last_probe['ok'])
-      {
-        $technical = $last_probe['errno'] >= 0
-          ? 'cURL '.$last_probe['errno'].($last_probe['error'] !== '' ? ': '.$last_probe['error'] : '')
-          : $last_probe['error'];
-        bratonien_tools_nc_edit_fail(
-          'Die Nextcloud-Adresse ist vom Piwigo-Server aus nicht erreichbar. Ohne angegebenes Protokoll wurden HTTPS und HTTP geprüft.',
-          array('nc_nextcloud_url'),
-          'Nextcloud / WebDAV – Erreichbarkeit',
-          $technical.' · Geprüft: '.implode(' ; ', $attempts)
-        );
-      }
-
-      bratonien_tools_nc_edit_fail(
-        'Unter der angegebenen Adresse wurde keine erreichbare installierte Nextcloud gefunden. Ohne angegebenes Protokoll wurden HTTPS und HTTP geprüft.',
-        array('nc_nextcloud_url'),
-        'Nextcloud / WebDAV – Erkennung',
-        'Geprüft: '.implode(' ; ', $attempts).($last_probe ? ' · Letzter HTTP-Status: '.$last_probe['http'] : '')
-      );
-    }
-
-    $_POST['nc_nextcloud_url'] = $nextcloud_url;
-
-    $user_url = $nextcloud_url.'/ocs/v2.php/cloud/user?format=json';
-    $user_probe = bratonien_tools_nc_edit_probe($user_url, $nextcloud_user, $nextcloud_password, array('OCS-APIRequest: true'));
-    if (!$user_probe['ok'])
-    {
-      $technical = $user_probe['errno'] >= 0
-        ? 'cURL '.$user_probe['errno'].($user_probe['error'] !== '' ? ': '.$user_probe['error'] : '')
-        : $user_probe['error'];
-      bratonien_tools_nc_edit_fail(
-        'Die Nextcloud-Anmeldung konnte technisch nicht geprüft werden.',
-        array('nc_nextcloud_url','nc_nextcloud_user','nc_nextcloud_password'),
-        'Nextcloud / WebDAV – Anmeldung',
-        $technical.' · Ziel: '.$user_url
-      );
-    }
-    if ($user_probe['http'] === 401 || $user_probe['http'] === 403)
-    {
-      bratonien_tools_nc_edit_fail(
-        'Nextcloud hat Benutzername oder Passwort abgelehnt.',
-        array('nc_nextcloud_user','nc_nextcloud_password'),
-        'Nextcloud / WebDAV – Anmeldung',
-        'HTTP '.$user_probe['http']
-      );
-    }
-    if ($user_probe['http'] < 200 || $user_probe['http'] >= 300)
-    {
-      bratonien_tools_nc_edit_fail(
-        'Nextcloud ist erreichbar, aber die Benutzerprüfung wurde vom Server abgelehnt.',
-        array('nc_nextcloud_user','nc_nextcloud_password'),
-        'Nextcloud / WebDAV – Anmeldung',
-        'HTTP '.$user_probe['http'].' · Ziel: '.$user_url
-      );
-    }
-    try
-    {
-      bratonien_tools_nc_wizard_ocs_data($user_probe['body']);
-    }
-    catch (Throwable $e)
-    {
-      bratonien_tools_nc_edit_fail(
-        'Nextcloud antwortet auf die Benutzerprüfung, die Antwort ist aber nicht gültig: '.$e->getMessage(),
-        array('nc_nextcloud_user','nc_nextcloud_password'),
-        'Nextcloud / WebDAV – Anmeldung'
-      );
-    }
-  }
-
-  $api_key_id = trim((string)($_POST['nc_connection_api_key_id'] ?? ($credentials['api_key_id'] ?? '')));
-  $submitted_api_secret = trim((string)($_POST['nc_connection_api_key_secret'] ?? ''));
-  $api_key_secret = $submitted_api_secret !== '' ? $submitted_api_secret : trim((string)($credentials['api_key_secret'] ?? ''));
-  if (($api_key_id === '') !== ($api_key_secret === ''))
-  {
-    $missing = $api_key_id === '' ? array('nc_connection_api_key_id') : array('nc_connection_api_key_secret');
-    bratonien_tools_nc_edit_fail(
-      'API-Schlüssel-ID und API-Geheimnis müssen gemeinsam vollständig sein.',
-      $missing,
-      'Piwigo API'
-    );
-  }
-  if ($api_key_id !== '')
-  {
-    try
-    {
-      bratonien_tools_nc_connector_validate_scoped_api($api_key_id, $api_key_secret);
-    }
-    catch (Throwable $e)
-    {
-      bratonien_tools_nc_edit_fail(
-        'Der Piwigo-API-Zugang konnte nicht bestätigt werden: '.$e->getMessage(),
-        array('nc_connection_api_key_id','nc_connection_api_key_secret'),
-        'Piwigo API'
-      );
-    }
-  }
-
-  $fallback_user = trim((string)($_POST['nc_fallback_user'] ?? ($credentials['piwigo_user'] ?? '')));
-  $submitted_fallback_password = (string)($_POST['nc_fallback_password'] ?? '');
-  $fallback_password = $submitted_fallback_password !== '' ? $submitted_fallback_password : (string)($credentials['piwigo_password'] ?? '');
-  if (($fallback_user === '') !== ($fallback_password === ''))
-  {
-    bratonien_tools_nc_edit_fail(
-      'Fallback-Benutzer und Fallback-Passwort müssen gemeinsam vollständig sein.',
-      array('nc_fallback_user','nc_fallback_password'),
-      'Piwigo-Fallback'
-    );
-  }
-  if ($fallback_user !== '')
-  {
-    try
-    {
-      bratonien_tools_nc_connector_validate_fallback_credentials($fallback_user, $fallback_password);
-    }
-    catch (Throwable $e)
-    {
-      bratonien_tools_nc_edit_fail(
-        'Der Piwigo-Fallback wurde abgelehnt: '.$e->getMessage(),
-        array('nc_fallback_user','nc_fallback_password'),
-        'Piwigo-Fallback'
-      );
-    }
-  }
-
-  $result = bratonien_tools_nc_connector_update_local_friendly();
-
-  if (array_key_exists('nc_fallback_user', $_POST) || array_key_exists('nc_fallback_password', $_POST))
-  {
-    $updated = bratonien_tools_nc_connector_connection($id, true);
-    if (!$updated) throw new RuntimeException('Die Verbindung konnte nach dem Speichern nicht erneut geladen werden.');
-    $updated_credentials = bratonien_tools_nc_connector_scoped_secret($updated);
-    $updated_credentials['piwigo_user'] = $fallback_user;
-    $updated_credentials['piwigo_password'] = $fallback_password;
-    bratonien_tools_nc_connector_store_scoped_secret($id, $updated, $updated_credentials);
-  }
-
-  bratonien_tools_nc_edit_json(200, array(
-    'ok'=>true,
-    'message'=>(string)($result['message'] ?? 'Verbindung wurde gespeichert.'),
-    'fields'=>array(),
-  ));
-}
-catch (Throwable $e)
-{
-  $message = trim($e->getMessage());
-  if ($message === '') $message = 'Die Verbindung konnte nicht gespeichert werden.';
-
-  $fields = array();
-  $stage = 'Verbindung';
-  $add = function($name) use (&$fields)
-  {
-    if (!in_array($name, $fields, true)) $fields[] = $name;
-  };
-
-  if (stripos($message, 'Name') !== false && stripos($message, 'Datenbankname') === false) $add('connection_name');
-  if (stripos($message, 'Datenbank-Server') !== false) { $add('nc_host'); $stage = 'Legacy-Datenbank'; }
-  if (stripos($message, 'Datenbank-Port') !== false) { $add('nc_port'); $stage = 'Legacy-Datenbank'; }
-  if (stripos($message, 'Datenbankname') !== false) { $add('nc_database'); $stage = 'Legacy-Datenbank'; }
-  if (stripos($message, 'Reader-Benutzer') !== false) { $add('nc_user'); $stage = 'Legacy-Datenbank'; }
-  if (stripos($message, 'Datenbankpasswort') !== false) { $add('nc_db_password'); $stage = 'Legacy-Datenbank'; }
-  if (stripos($message, 'Storage-ID') !== false) { $add('nc_storage_id[]'); $stage = 'Speicherorte'; }
-  if (stripos($message, 'lokaler Pfad') !== false || stripos($message, 'Speicherort') !== false) { $add('nc_local_mount[]'); $stage = 'Speicherorte'; }
-  if (stripos($message, 'Galerieordner') !== false) { $add('nc_gallery_root'); $stage = 'Erweiterte Legacy-Einstellungen'; }
-  if (stripos($message, 'Datenbankansichten') !== false || stripos($message, 'Source-View') !== false) { $add('nc_source_view'); $stage = 'Erweiterte Legacy-Einstellungen'; }
-  if (stripos($message, 'Datenbankansichten') !== false || stripos($message, 'Activity-View') !== false) { $add('nc_activity_view'); $stage = 'Erweiterte Legacy-Einstellungen'; }
-
-  if (stripos($message, 'Nextcloud') !== false)
-  {
-    $stage = 'Nextcloud / WebDAV';
-    if (stripos($message, 'Adresse') !== false) $add('nc_nextcloud_url');
-    if (stripos($message, 'Benutzer') !== false) $add('nc_nextcloud_user');
-    if (stripos($message, 'Passwort') !== false) $add('nc_nextcloud_password');
-  }
-  if (stripos($message, 'API') !== false)
-  {
-    $stage = 'Piwigo API';
-    $add('nc_connection_api_key_id');
-    $add('nc_connection_api_key_secret');
-  }
-  if (stripos($message, 'Fallback') !== false)
-  {
-    $stage = 'Piwigo-Fallback';
-    $add('nc_fallback_user');
-    $add('nc_fallback_password');
-  }
-
-  bratonien_tools_nc_edit_fail(
-    $message,
-    $fields,
-    $stage,
-    'Interne Prüfung: '.get_class($e)
-  );
-}
--- a/nc-connector-source-picker-start.php
+++ b/nc-connector-source-picker-start.php
@@ -1,104 +0,0 @@
-<?php
-$piwigo_root = realpath(dirname(__DIR__, 2));
-if ($piwigo_root === false)
-{
-  http_response_code(500);
-  exit;
-}
-define('PHPWG_ROOT_PATH', rtrim($piwigo_root, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR);
-include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
-
-header('Content-Type: application/json; charset=utf-8');
-header('Cache-Control: no-store, max-age=0');
-
-function bratonien_tools_nc_source_picker_json($status, array $payload)
-{
-  http_response_code((int)$status);
-  echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
-  exit;
-}
-
-function bratonien_tools_nc_source_picker_fail($message, array $fields = array())
-{
-  bratonien_tools_nc_source_picker_json(422, array(
-    'ok'=>false,
-    'message'=>(string)$message,
-    'fields'=>array_values(array_unique($fields)),
-  ));
-}
-
-if (!defined('BRATONIEN_TOOLS_PATH'))
-{
-  bratonien_tools_nc_source_picker_json(404, array('ok'=>false, 'message'=>'Bratonien Tools ist nicht aktiv.', 'fields'=>array()));
-}
-if (!function_exists('is_admin') || !is_admin())
-{
-  bratonien_tools_nc_source_picker_json(403, array('ok'=>false, 'message'=>'Administratorrechte erforderlich.', 'fields'=>array()));
-}
-if (($_SERVER['REQUEST_METHOD'] ?? '') !== 'POST')
-{
-  bratonien_tools_nc_source_picker_json(405, array('ok'=>false, 'message'=>'Nur POST ist erlaubt.', 'fields'=>array()));
-}
-
-try
-{
-  check_pwg_token();
-  require_once(BRATONIEN_TOOLS_PATH.'include/tool_registry.inc.php');
-
-  $id = (int)($_POST['connection_id'] ?? 0);
-  $connection = bratonien_tools_nc_connector_connection($id, true);
-  if (!$connection)
-  {
-    bratonien_tools_nc_source_picker_fail('Die zu bearbeitende Verbindung wurde nicht gefunden.');
-  }
-  if ((string)$connection['adapter'] !== 'local')
-  {
-    bratonien_tools_nc_source_picker_fail('Die automatische Migrationsauswahl ist nur für die bestehende Legacy-Verbindung vorgesehen.');
-  }
-
-  $config = isset($connection['config']) && is_array($connection['config']) ? $connection['config'] : array();
-  $credentials = bratonien_tools_nc_connector_scoped_secret($connection);
-
-  $base_url = trim((string)($config['nextcloud_url'] ?? ''));
-  $username = trim((string)($credentials['nextcloud_user'] ?? ''));
-  $password = (string)($credentials['nextcloud_password'] ?? '');
-
-  $missing = array();
-  if ($base_url === '') $missing[] = 'nc_nextcloud_url';
-  if ($username === '') $missing[] = 'nc_nextcloud_user';
-  if ($password === '') $missing[] = 'nc_nextcloud_password';
-  if ($missing)
-  {
-    bratonien_tools_nc_source_picker_fail(
-      'Für die automatische Ordnerauswahl müssen Nextcloud-Adresse, Benutzer und Passwort gespeichert sein.',
-      $missing
-    );
-  }
-
-  bratonien_tools_nc_connector_prepare_webdav_wizard_from_connection($connection, 'migrate');
-
-  $state = bratonien_tools_nc_wizard_state();
-  if ((int)($state['step'] ?? 0) !== 2 || empty($state['scan_ok']) || empty($state['directory_selection_ready']))
-  {
-    $detail = trim((string)($state['technical_error'] ?? ''));
-    bratonien_tools_nc_source_picker_fail(
-      $detail !== '' ? 'Die Nextcloud-Ordner konnten nicht geladen werden: '.$detail : 'Die Nextcloud-Ordner konnten nicht geladen werden.',
-      array('nc_nextcloud_url','nc_nextcloud_user','nc_nextcloud_password')
-    );
-  }
-
-  bratonien_tools_nc_source_picker_json(200, array(
-    'ok'=>true,
-    'message'=>'Nextcloud-Ordner wurden geladen. Die Auswahl wird geöffnet.',
-    'fields'=>array(),
-  ));
-}
-catch (Throwable $e)
-{
-  $message = trim($e->getMessage());
-  if ($message === '') $message = 'Die Nextcloud-Ordnerauswahl konnte nicht vorbereitet werden.';
-  bratonien_tools_nc_source_picker_fail(
-    $message,
-    array('nc_nextcloud_url','nc_nextcloud_user','nc_nextcloud_password')
-  );
-}
--- a/nc-connector-status.php
+++ b/nc-connector-status.php
@@ -24,6 +24,7 @@ if (!function_exists('is_admin') || !is_admin())
  exit;
 }

+$requested_connection_id = isset($_GET['connection_id']) ? max(0, (int)$_GET['connection_id']) : 0;
 $dir = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-connector-status';
 $latest = array(
  'state'=>'idle',
@@ -41,11 +42,16 @@ $latest = array(
  'route_timestamp'=>0,
  'route_time_label'=>'Nicht verfügbar',
  'route_detail'=>'',
+  'connection_id'=>$requested_connection_id,
 );

 if (is_dir($dir))
 {
-  foreach (glob($dir.'/connection-*.json') ?: array() as $file)
+  $files = $requested_connection_id > 0
+    ? array($dir.'/connection-'.$requested_connection_id.'.json')
+    : (glob($dir.'/connection-*.json') ?: array());
+
+  foreach ($files as $file)
  {
    if (!is_readable($file))
    {
@@ -63,60 +69,58 @@ if (is_dir($dir))
    }
  }

-  $route_file = $dir.'/route-status.json';
-  if (is_readable($route_file))
+  if ($requested_connection_id === 0)
  {
-    $route = json_decode((string)@file_get_contents($route_file), true);
-    if (is_array($route))
+    $route_file = $dir.'/route-status.json';
+    if (is_readable($route_file))
    {
-      $route_name = (string)($route['route'] ?? '');
-      $route_timestamp = (int)($route['timestamp'] ?? 0);
-      $route_label = (string)($route['label'] ?? '');
+      $route = json_decode((string)@file_get_contents($route_file), true);
+      if (is_array($route))
+      {
+        $route_name = (string)($route['route'] ?? '');
+        $route_timestamp = (int)($route['timestamp'] ?? 0);
+        $route_label = (string)($route['label'] ?? '');

-      if ($route_name === 'webdav')
-      {
-        $route_label = 'WEBDAV PRIMÄR';
-      }
-      elseif ($route_name === 'legacy_fallback')
-      {
-        $route_label = 'LEGACY-FALLBACK AKTIV';
-      }
-      elseif ($route_name === 'failed')
-      {
-        $route_label = 'FEHLER - KEIN ERFOLGREICHER DATENWEG';
-      }
-      elseif ($route_label === '')
-      {
-        $route_label = 'UNBEKANNTER DATENWEG';
-      }
+        if ($route_name === 'webdav')
+        {
+          $route_label = 'WEBDAV PRIMÄR';
+        }
+        elseif ($route_name === 'legacy_fallback')
+        {
+          $route_label = 'LEGACY-FALLBACK AKTIV';
+        }
+        elseif ($route_name === 'failed')
+        {
+          $route_label = 'FEHLER - KEIN ERFOLGREICHER DATENWEG';
+        }
+        elseif ($route_label === '')
+        {
+          $route_label = 'UNBEKANNTER DATENWEG';
+        }

-      $route_detail = trim((string)($route['detail'] ?? ''));
-      $latest['route'] = $route_name;
-      $latest['route_label'] = $route_label;
-      $latest['route_timestamp'] = $route_timestamp;
-      $latest['route_time_label'] = $route_timestamp > 0 ? date('d.m.Y H:i:s', $route_timestamp) : 'Nicht verfügbar';
-      $latest['route_detail'] = $route_detail;
+        $route_detail = trim((string)($route['detail'] ?? ''));
+        $latest['route'] = $route_name;
+        $latest['route_label'] = $route_label;
+        $latest['route_timestamp'] = $route_timestamp;
+        $latest['route_time_label'] = $route_timestamp > 0 ? date('d.m.Y H:i:s', $route_timestamp) : 'Nicht verfügbar';
+        $latest['route_detail'] = $route_detail;

-      $base_message = trim((string)($latest['message'] ?? ''));
-      $message_parts = array($route_label);
-      if ($route_name !== 'webdav' && $route_detail !== '')
-      {
-        $message_parts[] = $route_detail;
+        $base_message = trim((string)($latest['message'] ?? ''));
+        $message_parts = array($route_label);
+        if ($route_name !== 'webdav' && $route_detail !== '')
+        {
+          $message_parts[] = $route_detail;
+        }
+        if ($base_message !== '')
+        {
+          $message_parts[] = $base_message;
+        }
+        $latest['message'] = implode(' · ', $message_parts);
      }
-      if ($base_message !== '')
-      {
-        $message_parts[] = $base_message;
-      }
-      $latest['message'] = implode(' · ', $message_parts);
    }
  }
 }

-if ((int)$latest['timestamp'] > 0)
-{
-  $latest['last_run_label'] = date('d.m.Y H:i:s', (int)$latest['timestamp']);
-}
-
 $system_file = BRATONIEN_TOOLS_PATH.'include/nc_connector_system.inc.php';
 if (is_readable($system_file))
 {
@@ -129,4 +133,27 @@ if (is_readable($system_file))
  }
 }

+$scheduler_file = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-connector-scheduler/state.json';
+if ($requested_connection_id > 0 && is_readable($scheduler_file))
+{
+  $scheduler = json_decode((string)@file_get_contents($scheduler_file), true);
+  if (
+    is_array($scheduler)
+    && (int)($scheduler['connection_id'] ?? 0) === $requested_connection_id
+    && in_array((string)($scheduler['state'] ?? ''), array('queued','running'), true)
+    && (int)($scheduler['timestamp'] ?? 0) >= (int)($latest['timestamp'] ?? 0)
+  )
+  {
+    $latest['state'] = (string)$scheduler['state'];
+    $latest['message'] = (string)($scheduler['message'] ?? 'NC-Abgleich läuft.');
+    $latest['timestamp'] = (int)($scheduler['timestamp'] ?? time());
+    $latest['error_detail'] = '';
+  }
+}
+
+if ((int)$latest['timestamp'] > 0)
+{
+  $latest['last_run_label'] = date('d.m.Y H:i:s', (int)$latest['timestamp']);
+}
+
 echo json_encode($latest, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
--- a/runtime/build-webdav-media.sh
+++ b/runtime/build-webdav-media.sh
@@ -1,35 +1,7 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail

-CONFIG_FILE="${PIWIGO_CONFIG:-}"
-[[ -n "$CONFIG_FILE" && -r "$CONFIG_FILE" ]] || { echo "WebDAV-Konfiguration fehlt: ${CONFIG_FILE:-<leer>}" >&2; exit 1; }
-
-# shellcheck source=/dev/null
-source "$CONFIG_FILE"
-
-: "${PIWIGO_ROOT:?PIWIGO_ROOT fehlt}"
-: "${CONNECTION_ID:?CONNECTION_ID fehlt}"
-: "${WEBDAV_BASE_URL:?WEBDAV_BASE_URL fehlt}"
-: "${WEBDAV_USER:?WEBDAV_USER fehlt}"
-: "${WEBDAV_PASSWORD_FILE:?WEBDAV_PASSWORD_FILE fehlt}"
-: "${WEBDAV_MAPPING_FILE:?WEBDAV_MAPPING_FILE fehlt}"
-: "${STATE_DIR:?STATE_DIR fehlt}"
-
-SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
-LOCK_FILE="$STATE_DIR/webdav-media.lock"
-mkdir -p -- "$STATE_DIR"
-exec 9>"$LOCK_FILE"
-flock -n 9 || exit 0
-
-PREVIEW_CACHE="$PIWIGO_ROOT/_data/bratonien-tools/nc-webdav-preview/connection-$CONNECTION_ID"
-
-php "$SCRIPT_DIR/lib/precache-webdav-previews.php" \
-    --mapping="$WEBDAV_MAPPING_FILE" \
-    --base-url="$WEBDAV_BASE_URL" \
-    --user="$WEBDAV_USER" \
-    --password-file="$WEBDAV_PASSWORD_FILE" \
-    --cache-dir="$PREVIEW_CACHE"
-
-php "$SCRIPT_DIR/lib/build-webdav-derivatives.php" \
-    --piwigo-root="$PIWIGO_ROOT" \
-    --connection-id="$CONNECTION_ID"
+# Seit 0.9.7.20 greift der NC Connector nicht mehr in Piwigos Bild-/Derivatlogik ein.
+# Der Shadowtree dient nur der Piwigo-Synchronisation; die Bild-URL wird zur Laufzeit
+# ueber den bestehenden WebDAV-URL-Hook auf Nextcloud aufgeloest.
+exit 0
--- a/runtime/cleanup-missing-webdav-images.php
+++ b/runtime/cleanup-missing-webdav-images.php
@@ -0,0 +1,142 @@
+#!/usr/bin/env php
+<?php
+if (PHP_SAPI !== 'cli')
+{
+  fwrite(STDERR, "CLI only\n");
+  exit(1);
+}
+
+$options = getopt('', array('piwigo-root:', 'connection-id:'));
+$piwigo_root = rtrim((string)($options['piwigo-root'] ?? ''), '/');
+$connection_id = (int)($options['connection-id'] ?? 0);
+if ($piwigo_root === '' || $connection_id < 1)
+{
+  fwrite(STDERR, "Parameter --piwigo-root und --connection-id werden benoetigt.\n");
+  exit(1);
+}
+
+$db_config = $piwigo_root.'/local/config/database.inc.php';
+if (!is_readable($db_config))
+{
+  fwrite(STDERR, "Piwigo-Datenbankkonfiguration ist nicht lesbar.\n");
+  exit(1);
+}
+
+$conf = array();
+$prefixeTable = 'piwigo_';
+require $db_config;
+foreach (array('db_host','db_user','db_password','db_base') as $key)
+{
+  if (!isset($conf[$key]))
+  {
+    fwrite(STDERR, "Piwigo-Datenbankkonfiguration ist unvollstaendig: $key\n");
+    exit(1);
+  }
+}
+
+$db = new mysqli($conf['db_host'], $conf['db_user'], $conf['db_password'], $conf['db_base']);
+if ($db->connect_errno)
+{
+  fwrite(STDERR, "Piwigo-Datenbank ist nicht erreichbar: ".$db->connect_error."\n");
+  exit(1);
+}
+$db->set_charset('utf8mb4');
+
+$table = $prefixeTable.'bratonien_tools_nc_connections';
+$result = $db->query('SELECT config_json FROM `'.$table.'` WHERE id='.$connection_id.' LIMIT 1');
+if (!$result || !$result->num_rows)
+{
+  fwrite(STDERR, "Connector-Verbindung #$connection_id wurde nicht gefunden.\n");
+  exit(1);
+}
+$config = json_decode((string)$result->fetch_assoc()['config_json'], true);
+if (!is_array($config) || (string)($config['source_mode'] ?? '') !== 'webdav-placeholder')
+{
+  echo "Keine WebDAV-Bereinigung erforderlich.\n";
+  exit(0);
+}
+
+$prefixes = array(
+  './_data/bratonien-tools/nc-webdav-gallery/connection-'.$connection_id.'/',
+  './_data/bratonien-tools/nc-webdav-source/connection-'.$connection_id.'/',
+  './galleries/bratonien-webdav-'.$connection_id.'/',
+);
+
+$gallery_root = rtrim(str_replace('\\', '/', (string)($config['parallel_gallery_root'] ?? '')), '/');
+$normalized_piwigo_root = rtrim(str_replace('\\', '/', $piwigo_root), '/');
+if ($gallery_root !== '' && strpos($gallery_root, $normalized_piwigo_root.'/') === 0)
+{
+  $relative = ltrim(substr($gallery_root, strlen($normalized_piwigo_root)), '/');
+  if ($relative !== '') $prefixes[] = './'.rtrim($relative, '/').'/';
+}
+$prefixes = array_values(array_unique($prefixes));
+
+$where = array();
+foreach ($prefixes as $prefix)
+{
+  $escaped = $db->real_escape_string(addcslashes($prefix, "_%\\"));
+  $where[] = "path LIKE '{$escaped}%' ESCAPE '\\\\'";
+}
+
+$images_table = $prefixeTable.'images';
+$rows = $db->query("SELECT id, path FROM `{$images_table}` WHERE ".implode(' OR ', $where));
+if (!$rows)
+{
+  fwrite(STDERR, "Connector-Bilder konnten nicht gelesen werden: ".$db->error."\n");
+  exit(1);
+}
+
+$missing_ids = array();
+while ($row = $rows->fetch_assoc())
+{
+  $path = (string)$row['path'];
+  $owned = false;
+  foreach ($prefixes as $prefix)
+  {
+    if (strpos($path, $prefix) === 0)
+    {
+      $owned = true;
+      break;
+    }
+  }
+  if (!$owned) continue;
+
+  $absolute = $piwigo_root.'/'.ltrim(preg_replace('#^\./#', '', $path), '/');
+  if (!is_file($absolute))
+  {
+    $missing_ids[] = (int)$row['id'];
+  }
+}
+$db->close();
+
+if (!$missing_ids)
+{
+  echo "WebDAV-Bereinigung: keine fehlenden Piwigo-Bilder.\n";
+  exit(0);
+}
+
+// Dieser Prozess wird ausschliesslich nach einem erfolgreich abgeschlossenen
+// WebDAV-Aufbau und erfolgreicher Piwigo-Synchronisierung gestartet. Eine
+// nicht erreichbare Verbindung kann deshalb niemals ueber diesen Pfad Bilder
+// entfernen.
+define('PHPWG_ROOT_PATH', $piwigo_root.'/');
+$_SERVER['REMOTE_ADDR'] = '127.0.0.1';
+$_SERVER['SERVER_ADDR'] = '127.0.0.1';
+$_SERVER['SERVER_NAME'] = 'localhost';
+$_SERVER['HTTP_HOST'] = 'localhost';
+$_SERVER['SERVER_PORT'] = '80';
+$_SERVER['REQUEST_METHOD'] = 'GET';
+$_SERVER['REQUEST_URI'] = '/';
+$_SERVER['SCRIPT_NAME'] = '/plugins/bratonien_tools/runtime/cleanup-missing-webdav-images.php';
+$_SERVER['PHP_SELF'] = $_SERVER['SCRIPT_NAME'];
+$_SERVER['QUERY_STRING'] = '';
+$_SERVER['HTTPS'] = 'off';
+
+require_once(PHPWG_ROOT_PATH.'include/common.inc.php');
+include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
+
+$deleted = delete_elements(array_values(array_unique(array_map('intval', $missing_ids))), false);
+update_category('all');
+invalidate_user_cache(true);
+
+echo 'WebDAV-Bereinigung: '.(int)$deleted." nicht mehr freigegebene/vorhandene Bilder aus Piwigo entfernt.\n";
--- a/runtime/cleanup-webdav-piwigo.php
+++ b/runtime/cleanup-webdav-piwigo.php
@@ -47,24 +47,31 @@ function bratonien_cleanup_tree($path, $allowed_root)
  @rmdir($path);
 }

-function bratonien_webdav_site_images($site_id)
+function bratonien_connection_id_from_owned_path($path)
 {
-  $rows = array();
-  $query = '
-SELECT DISTINCT i.id, i.path, i.representative_ext
-  FROM '.IMAGES_TABLE.' AS i
-  LEFT JOIN '.CATEGORIES_TABLE.' AS sc ON sc.id = i.storage_category_id
-  LEFT JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON ic.image_id = i.id
-  LEFT JOIN '.CATEGORIES_TABLE.' AS vc ON vc.id = ic.category_id
-  WHERE sc.site_id = '.(int)$site_id.' OR vc.site_id = '.(int)$site_id.'
-;';
-  $result = pwg_query($query);
-  while ($row = pwg_db_fetch_assoc($result))
+  $path = (string)$path;
+  foreach (array(
+    '#^\./_data/bratonien-tools/nc-webdav-gallery/connection-([0-9]+)/#',
+    '#^\./_data/bratonien-tools/nc-webdav-source/connection-([0-9]+)/#',
+    '#^\./galleries/bratonien-webdav-([0-9]+)/#',
+  ) as $pattern)
  {
-    $row['id'] = (int)$row['id'];
-    $rows[$row['id']] = $row;
+    if (preg_match($pattern, $path, $match)) return (int)$match[1];
  }
-  return $rows;
+  return 0;
+}
+
+function bratonien_connection_id_from_site_url($url)
+{
+  $url = (string)$url;
+  foreach (array(
+    '#^\./_data/bratonien-tools/nc-webdav-gallery/connection-([0-9]+)/$#',
+    '#^\./galleries/bratonien-webdav-([0-9]+)/$#',
+  ) as $pattern)
+  {
+    if (preg_match($pattern, $url, $match)) return (int)$match[1];
+  }
+  return 0;
 }

 try
@@ -84,24 +91,24 @@ try
    }
  }

-  $site_prefix = './_data/bratonien-tools/nc-webdav-gallery/connection-';
-  $result = pwg_query(
-    "SELECT id, galleries_url FROM ".SITES_TABLE.
-    " WHERE galleries_url LIKE '".pwg_db_real_escape_string($site_prefix)."%'"
-  );
-
-  $removed_sites = 0;
  $removed_images = 0;
-  while ($site = pwg_db_fetch_assoc($result))
+  $stale_by_connection = array();
+  $result = pwg_query(
+    "SELECT id, path, representative_ext FROM ".IMAGES_TABLE.
+    " WHERE path LIKE './_data/bratonien-tools/nc-webdav-gallery/connection-%'".
+    " OR path LIKE './_data/bratonien-tools/nc-webdav-source/connection-%'".
+    " OR path LIKE './galleries/bratonien-webdav-%'"
+  );
+  while ($row = pwg_db_fetch_assoc($result))
  {
-    $site_id = (int)$site['id'];
-    $site_url = (string)$site['galleries_url'];
-    if (!preg_match('#^\./_data/bratonien-tools/nc-webdav-gallery/connection-([0-9]+)/$#', $site_url, $match)) continue;
-
-    $connection_id = (int)$match[1];
+    $connection_id = bratonien_connection_id_from_owned_path($row['path'] ?? '');
    if ($connection_id < 1 || isset($active[$connection_id])) continue;
+    $row['id'] = (int)$row['id'];
+    $stale_by_connection[$connection_id][$row['id']] = $row;
+  }

-    $images = bratonien_webdav_site_images($site_id);
+  foreach ($stale_by_connection as $connection_id=>$images)
+  {
    foreach ($images as $row)
    {
      try
@@ -114,48 +121,60 @@ try
      }
    }

-    delete_site($site_id);
-
-    if ($images)
-    {
-      $ids = array_keys($images);
-      $remaining = query2array(
-        'SELECT id FROM '.IMAGES_TABLE.' WHERE id IN ('.implode(',', array_map('intval', $ids)).')',
-        null,
-        'id'
-      );
-      if ($remaining)
-      {
-        delete_elements(array_map('intval', $remaining), false);
-      }
-    }
-
-    $removed_sites++;
+    delete_elements(array_map('intval', array_keys($images)), false);
    $removed_images += count($images);
-    echo 'NC WebDAV: entferne verwaiste Piwigo-Site '.$site_id.' für gelöschte Verbindung '.$connection_id.".\n";
+    echo 'NC WebDAV: entferne '.count($images).' verwaiste Bilder der gelöschten Verbindung '.$connection_id.".\n";
+  }

-    $gallery_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-gallery';
-    $source_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-source';
-    $preview_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-preview';
+  $removed_sites = 0;
+  $result = pwg_query('SELECT id, galleries_url FROM '.SITES_TABLE);
+  $stale_sites = array();
+  while ($site = pwg_db_fetch_assoc($result))
+  {
+    $connection_id = bratonien_connection_id_from_site_url($site['galleries_url'] ?? '');
+    if ($connection_id < 1 || isset($active[$connection_id])) continue;
+    $stale_sites[] = array('id'=>(int)$site['id'], 'connection_id'=>$connection_id);
+  }
+
+  foreach ($stale_sites as $site)
+  {
+    delete_site($site['id']);
+    $removed_sites++;
+    echo 'NC WebDAV: entferne verwaiste Piwigo-Site '.$site['id'].' der gelöschten Verbindung '.$site['connection_id'].".\n";
+  }
+
+  $stale_connection_ids = array_unique(array_merge(
+    array_map('intval', array_keys($stale_by_connection)),
+    array_map(function($site) { return (int)$site['connection_id']; }, $stale_sites)
+  ));
+
+  $gallery_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-gallery';
+  $source_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-source';
+  $preview_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-webdav-preview';
+  $legacy_root = PHPWG_ROOT_PATH.'galleries';
+  $state_root = '/var/lib/bratonien-tools/nc-connector';
+  $status_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-connector-status';
+
+  foreach ($stale_connection_ids as $connection_id)
+  {
+    if ($connection_id < 1) continue;
    bratonien_cleanup_tree($gallery_root.'/connection-'.$connection_id, $gallery_root);
    bratonien_cleanup_tree($source_root.'/connection-'.$connection_id, $source_root);
    bratonien_cleanup_tree($preview_root.'/connection-'.$connection_id, $preview_root);
-
-    $state_root = '/var/lib/bratonien-tools/nc-connector';
+    bratonien_cleanup_tree($legacy_root.'/bratonien-webdav-'.$connection_id, $legacy_root);
    bratonien_cleanup_tree($state_root.'/connection-'.$connection_id, $state_root);

    foreach (glob('/etc/bratonien-tools/nc-connector/webdav-connection-'.$connection_id.'.*') ?: array() as $file)
    {
      @unlink($file);
    }
-
-    $status_root = PHPWG_ROOT_PATH.'_data/bratonien-tools/nc-connector-status';
    @unlink($status_root.'/connection-'.$connection_id.'.json');
    @unlink($status_root.'/deleted-'.$connection_id);
  }

-  if ($removed_sites > 0)
+  if ($removed_sites > 0 || $removed_images > 0)
  {
+    update_category('all');
    invalidate_user_cache(true);
  }

--- a/runtime/lib/build-webdav-derivatives.php
+++ b/runtime/lib/build-webdav-derivatives.php
--- a/runtime/lib/build_webdav_placeholder_source.py
+++ b/runtime/lib/build_webdav_placeholder_source.py
@@ -2,8 +2,12 @@
 """Build a placeholder-backed local source tree from Nextcloud WebDAV.

 This creates only tiny placeholder files plus a metadata mapping; no Nextcloud
-original media is downloaded. The authenticated Nextcloud user is never used as
-an album name.
+original media is stored locally. The authenticated Nextcloud user is never used
+as an album name.
+
+Each placeholder carries the original image dimensions. Dimensions are read
+from Nextcloud metadata first. If those metadata are unavailable, only the
+beginning of the original file is read through WebDAV and parsed locally.
 """

 from __future__ import annotations
@@ -27,8 +31,10 @@ from pathlib import Path, PurePosixPath

 DAV = "DAV:"
 OC = "http://owncloud.org/ns"
+NC = "http://nextcloud.org/ns"
 SUPPORTED_IMAGE_EXTENSIONS = {".jpg", ".jpeg", ".png", ".gif", ".webp"}
 PLACEHOLDER = base64.b64decode("R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==")
+DIMENSION_PROBE_BYTES = 4 * 1024 * 1024


 def fail(message: str) -> None:
@@ -54,6 +60,101 @@ def safe_local_name(name: str) -> str:
    return name


+def parse_dimensions(prop: ET.Element) -> tuple[int, int]:
+    for property_name in ("file-metadata-size", "metadata-photos-size"):
+        raw = prop.findtext(f"{{{NC}}}{property_name}", default="").strip()
+        if not raw:
+            continue
+        try:
+            decoded = json.loads(raw)
+        except (TypeError, ValueError, json.JSONDecodeError):
+            continue
+        if isinstance(decoded, dict) and isinstance(decoded.get("value"), dict):
+            decoded = decoded["value"]
+        if not isinstance(decoded, dict):
+            continue
+        try:
+            width = int(decoded.get("width", 0) or 0)
+            height = int(decoded.get("height", 0) or 0)
+        except (TypeError, ValueError):
+            continue
+        if width > 0 and height > 0:
+            return width, height
+    return 0, 0
+
+
+def parse_image_header_dimensions(data: bytes) -> tuple[int, int]:
+    if len(data) >= 24 and data.startswith(b"\x89PNG\r\n\x1a\n") and data[12:16] == b"IHDR":
+        return int.from_bytes(data[16:20], "big"), int.from_bytes(data[20:24], "big")
+
+    if len(data) >= 10 and data[:6] in (b"GIF87a", b"GIF89a"):
+        return int.from_bytes(data[6:8], "little"), int.from_bytes(data[8:10], "little")
+
+    if len(data) >= 12 and data[:4] == b"RIFF" and data[8:12] == b"WEBP":
+        chunk = data[12:16]
+        if chunk == b"VP8X" and len(data) >= 30:
+            width = 1 + int.from_bytes(data[24:27], "little")
+            height = 1 + int.from_bytes(data[27:30], "little")
+            return width, height
+        if chunk == b"VP8 " and len(data) >= 30:
+            payload = 20
+            if data[payload + 3:payload + 6] == b"\x9d\x01\x2a":
+                width = int.from_bytes(data[payload + 6:payload + 8], "little") & 0x3FFF
+                height = int.from_bytes(data[payload + 8:payload + 10], "little") & 0x3FFF
+                return width, height
+        if chunk == b"VP8L" and len(data) >= 25 and data[20] == 0x2F:
+            b1, b2, b3, b4 = data[21:25]
+            width = 1 + b1 + ((b2 & 0x3F) << 8)
+            height = 1 + ((b2 & 0xC0) >> 6) + (b3 << 2) + ((b4 & 0x0F) << 10)
+            return width, height
+
+    if len(data) >= 4 and data[:2] == b"\xff\xd8":
+        sof_markers = {
+            0xC0, 0xC1, 0xC2, 0xC3,
+            0xC5, 0xC6, 0xC7,
+            0xC9, 0xCA, 0xCB,
+            0xCD, 0xCE, 0xCF,
+        }
+        pos = 2
+        while pos + 4 <= len(data):
+            if data[pos] != 0xFF:
+                pos += 1
+                continue
+            while pos < len(data) and data[pos] == 0xFF:
+                pos += 1
+            if pos >= len(data):
+                break
+            marker = data[pos]
+            pos += 1
+            if marker in (0xD8, 0xD9) or 0xD0 <= marker <= 0xD7:
+                continue
+            if marker == 0xDA:
+                break
+            if pos + 2 > len(data):
+                break
+            segment_length = int.from_bytes(data[pos:pos + 2], "big")
+            if segment_length < 2:
+                break
+            if marker in sof_markers:
+                if pos + 7 > len(data):
+                    break
+                height = int.from_bytes(data[pos + 3:pos + 5], "big")
+                width = int.from_bytes(data[pos + 5:pos + 7], "big")
+                return width, height
+            pos += segment_length
+
+    return 0, 0
+
+
+def placeholder_bytes(width: int, height: int) -> bytes:
+    if not (1 <= width <= 65535 and 1 <= height <= 65535):
+        fail(f"unsupported image dimensions for placeholder: {width}x{height}")
+    data = bytearray(PLACEHOLDER)
+    data[6:8] = width.to_bytes(2, "little")
+    data[8:10] = height.to_bytes(2, "little")
+    return bytes(data)
+
+
@contextmanager
 def pinned_resolution(host: str, ip: str):
    host = host.strip("[]").lower()
@@ -92,22 +193,50 @@ class WebDavClient:
        self.auth_header = f"Basic {token}"
        self.context = ssl.create_default_context()

-    def collection_url(self, relative: str) -> str:
+    def file_url(self, relative: str) -> str:
        user = urllib.parse.quote(self.user, safe="")
        suffix = quote_path(relative)
-        url = f"{self.base_url}/remote.php/dav/files/{user}/"
-        if suffix:
-            url += suffix + "/"
+        return f"{self.base_url}/remote.php/dav/files/{user}/{suffix}"
+
+    def collection_url(self, relative: str) -> str:
+        url = self.file_url(relative)
+        if not url.endswith("/"):
+            url += "/"
        return url

+    def probe_dimensions(self, relative: str) -> tuple[int, int]:
+        request = urllib.request.Request(self.file_url(relative), method="GET")
+        request.add_header("Authorization", self.auth_header)
+        request.add_header("Range", f"bytes=0-{DIMENSION_PROBE_BYTES - 1}")
+        try:
+            with pinned_resolution(self.host, self.connect_ip):
+                with urllib.request.urlopen(request, timeout=self.timeout, context=self.context) as response:
+                    if response.status not in (200, 206):
+                        fail(f"Nextcloud image header returned HTTP {response.status}")
+                    data = response.read(DIMENSION_PROBE_BYTES)
+        except urllib.error.HTTPError as error:
+            if error.code in {401, 403}:
+                fail("Nextcloud rejected the WebDAV credentials or file access")
+            fail(f"Nextcloud image header request failed with HTTP {error.code}")
+        except urllib.error.URLError as error:
+            fail(f"Nextcloud WebDAV is unreachable while reading image dimensions: {error.reason}")
+
+        width, height = parse_image_header_dimensions(data)
+        if width < 1 or height < 1:
+            fail(f"original image dimensions could not be read from Nextcloud file header: {relative}")
+        return width, height
+
    def list_collection(self, relative: str) -> tuple[dict[str, object], list[dict[str, object]]]:
        relative = validate_relative(relative)
        url = self.collection_url(relative)
        body = (
            '<?xml version="1.0"?>'
-            '<d:propfind xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns">'
+            '<d:propfind xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns" '
+            'xmlns:nc="http://nextcloud.org/ns">'
            '<d:prop><d:displayname/><d:resourcetype/><d:getcontenttype/>'
-            '<d:getcontentlength/><d:getetag/><oc:fileid/></d:prop></d:propfind>'
+            '<d:getcontentlength/><d:getetag/><oc:fileid/>'
+            '<nc:file-metadata-size/><nc:metadata-photos-size/>'
+            '</d:prop></d:propfind>'
        ).encode("utf-8")
        request = urllib.request.Request(url, data=body, method="PROPFIND")
        request.add_header("Authorization", self.auth_header)
@@ -151,6 +280,7 @@ class WebDavClient:
            fileid_text = prop.findtext(f"{{{OC}}}fileid", default="").strip()
            resource_type = prop.find(f"{{{DAV}}}resourcetype")
            is_dir = resource_type is not None and resource_type.find(f"{{{DAV}}}collection") is not None
+            width, height = parse_dimensions(prop)
            item = {
                "display_name": display,
                "fileid": int(fileid_text) if fileid_text.isdigit() else 0,
@@ -158,6 +288,8 @@ class WebDavClient:
                "content_type": prop.findtext(f"{{{DAV}}}getcontenttype", default=""),
                "size": int(prop.findtext(f"{{{DAV}}}getcontentlength", default="0") or 0),
                "etag": prop.findtext(f"{{{DAV}}}getetag", default="").strip('"'),
+                "width": width,
+                "height": height,
            }
            if href_path == base_path:
                current = item
@@ -169,18 +301,17 @@ class WebDavClient:
        return current, children


-def link_placeholder(seed: Path, target: Path) -> None:
+def write_placeholder(target: Path, width: int, height: int) -> None:
    target.parent.mkdir(parents=True, exist_ok=True)
-    try:
-        os.link(seed, target)
-    except OSError:
-        target.write_bytes(PLACEHOLDER)
+    target.write_bytes(placeholder_bytes(width, height))
+    os.chmod(target, 0o644)


-def build_root(client: WebDavClient, remote_root: str, local_root: Path, seed: Path, mapping: dict[str, dict[str, object]]) -> tuple[int, int, int]:
+def build_root(client: WebDavClient, remote_root: str, local_root: Path, mapping: dict[str, dict[str, object]]) -> tuple[int, int, int, int]:
    files = 0
    folders = 0
    skipped = 0
+    probed = 0
    stack: list[tuple[str, Path]] = [(validate_relative(remote_root), local_root)]
    visited: set[str] = set()

@@ -210,7 +341,16 @@ def build_root(client: WebDavClient, remote_root: str, local_root: Path, seed: P
            if extension not in SUPPORTED_IMAGE_EXTENSIONS:
                skipped += 1
                continue
-            link_placeholder(seed, child_local)
+
+            width = int(child.get("width", 0) or 0)
+            height = int(child.get("height", 0) or 0)
+            dimension_source = "metadata"
+            if width < 1 or height < 1:
+                width, height = client.probe_dimensions(child_remote)
+                dimension_source = "header"
+                probed += 1
+
+            write_placeholder(child_local, width, height)
            files += 1
            mapping[str(child_local)] = {
                "kind": "file",
@@ -220,8 +360,11 @@ def build_root(client: WebDavClient, remote_root: str, local_root: Path, seed: P
                "content_type": str(child.get("content_type", "")),
                "size": int(child.get("size", 0)),
                "etag": str(child.get("etag", "")),
+                "width": width,
+                "height": height,
+                "dimension_source": dimension_source,
            }
-    return files, folders, skipped
+    return files, folders, skipped, probed


 def atomic_json(path: Path, payload: object) -> None:
@@ -265,10 +408,7 @@ def main() -> int:
        source_dir = args.source_dir.resolve()
        staging = source_dir.with_name(f".{source_dir.name}.next")
        previous = source_dir.with_name(f".{source_dir.name}.previous")
-        seed = source_dir.parent / ".bratonien-webdav-placeholder.gif"
        source_dir.parent.mkdir(parents=True, exist_ok=True)
-        seed.write_bytes(PLACEHOLDER)
-        os.chmod(seed, 0o644)
        if staging.exists():
            shutil.rmtree(staging)
        staging.mkdir(parents=True)
@@ -276,7 +416,7 @@ def main() -> int:
        client = WebDavClient(args.base_url, args.user, password, max(1, args.timeout), args.connect_ip)
        mapping: dict[str, dict[str, object]] = {}
        manifest: list[str] = []
-        total_files = total_folders = total_skipped = 0
+        total_files = total_folders = total_skipped = total_probed = 0
        used_fileids: set[int] = set()

        for remote_root_raw in args.root:
@@ -288,10 +428,11 @@ def main() -> int:
            used_fileids.add(fileid)
            local_name = f"root-{fileid}"
            local_root = staging / local_name
-            files, folders, skipped = build_root(client, remote_root, local_root, seed, mapping)
+            files, folders, skipped, probed = build_root(client, remote_root, local_root, mapping)
            total_files += files
            total_folders += folders
            total_skipped += skipped
+            total_probed += probed

            if remote_root == "":
                for child in sorted(root_children, key=lambda item: str(item.get("display_name", "")).casefold()):
@@ -333,7 +474,7 @@ def main() -> int:

        atomic_text(args.manifest, "\n".join(manifest) + "\n")
        atomic_json(args.mapping, {
-            "version": 1,
+            "version": 3,
            "base_url": args.base_url.rstrip("/"),
            "connect_ip": client.connect_ip,
            "user": args.user,
@@ -344,6 +485,7 @@ def main() -> int:
            "files": total_files,
            "folders": total_folders,
            "skipped": total_skipped,
+            "dimension_header_probes": total_probed,
            "connect_ip": client.connect_ip,
            "source_dir": str(source_dir),
            "manifest": str(args.manifest),
--- a/runtime/lib/piwigo-sync.php
+++ b/runtime/lib/piwigo-sync.php
@@ -252,6 +252,8 @@ try
      );
      decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncProductive', 'site_id'=>$site_id), $headers));
      $orphan = decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>$site_id, 'simulate'=>0), $headers));
+      // Entfernt alte technische bratonien-webdav-N Wrapper aus Site 1,
+      // nachdem deren generierte Verzeichnisse beim Reconcile entfernt wurden.
      if ($site_id !== 1)
      {
        decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>1, 'simulate'=>0), $headers));
@@ -282,31 +284,16 @@ try
  try
  {
    decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'pwg.session.login', 'username'=>$fallback_user, 'password'=>$fallback_password), array(), $cookie_file));
-
-    // Der Fallback darf keinen zweiten Strukturpfad benutzen. Auch mit
-    // Benutzer/Passwort wird exakt derselbe Bratonien-Sync wie mit API-Key
-    // ausgefuehrt. Dadurch werden alte technische WebDAV-Kategorien entfernt
-    // und vorhandene Piwigo-Alben wiederverwendet.
-    decode_ws(http_request(
-      $base_url.'/ws.php?format=json',
-      array('method'=>'bratonien.nc.syncProductive', 'site_id'=>$site_id),
+    http_request(
+      $base_url.'/admin.php?page=site_update&site='.$site_id,
+      array('sync'=>'files','display_info'=>1,'privacy_level'=>0,'sync_meta'=>1,'simulate'=>0,'subcats-included'=>1,'bratonien_connector'=>1,'submit'=>1),
      array(),
      $cookie_file
-    ));
-    $orphan = decode_ws(http_request(
-      $base_url.'/ws.php?format=json',
-      array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>$site_id, 'simulate'=>0),
-      array(),
-      $cookie_file
-    ));
+    );
+    $orphan = decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>$site_id, 'simulate'=>0), array(), $cookie_file));
    if ($site_id !== 1)
    {
-      decode_ws(http_request(
-        $base_url.'/ws.php?format=json',
-        array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>1, 'simulate'=>0),
-        array(),
-        $cookie_file
-      ));
+      decode_ws(http_request($base_url.'/ws.php?format=json', array('method'=>'bratonien.nc.syncOrphans', 'site_id'=>1, 'simulate'=>0), array(), $cookie_file));
    }
    $added = (int)($orphan['added_orphans'] ?? 0);
    $deleted = (int)($orphan['deleted_orphans'] ?? 0);
--- a/runtime/lib/precache-webdav-previews.php
+++ b/runtime/lib/precache-webdav-previews.php
@@ -34,7 +34,7 @@ function fetch_remote_blob($url, $user, $password)
    CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
    CURLOPT_USERPWD => $user.':'.$password,
    CURLOPT_FAILONERROR => false,
-    CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Precache/0.9.7.1',
+    CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Precache/0.9.7.16',
  );
  bratonien_tools_nc_transport_apply_curl($options, $url);
  curl_setopt_array($ch, $options);
@@ -52,12 +52,11 @@ function fetch_remote_blob($url, $user, $password)

 function preview_extension_for_entry(array $entry)
 {
-  $content_type = strtolower(trim((string)($entry['content_type'] ?? '')));
  $path = strtolower((string)($entry['webdav_path'] ?? ''));
-  if ($content_type === 'image/png' || preg_match('/\.png$/', $path))
-  {
-    return 'png';
-  }
+  $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION));
+  if ($extension === 'png') return 'png';
+  if ($extension === 'gif') return 'gif';
+  if ($extension === 'webp') return 'webp';
  return 'jpg';
 }

@@ -68,7 +67,7 @@ function preview_target_for_entry($cache_dir, $key, array $entry)

 function remove_other_preview_format($cache_dir, $key, $keep_target)
 {
-  foreach (array('jpg', 'png', 'webp') as $ext)
+  foreach (array('jpg', 'png', 'gif', 'webp') as $ext)
  {
    $candidate = $cache_dir.'/'.$key.'.'.$ext;
    if ($candidate !== $keep_target && is_file($candidate)) @unlink($candidate);
@@ -90,13 +89,19 @@ function write_preview_imagick($blob, $target, $extension)
    {
      $image->setImageFormat('png');
    }
+    elseif ($extension === 'gif')
+    {
+      $image->setImageFormat('gif');
+    }
+    elseif ($extension === 'webp')
+    {
+      $image->setImageFormat('webp');
+      $image->setImageCompressionQuality(BRATONIEN_WEBDAV_PREVIEW_JPEG_QUALITY);
+    }
    else
    {
      $image->setImageBackgroundColor('white');
-      if (method_exists($image, 'mergeImageLayers'))
-      {
-        $image = $image->mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN);
-      }
+      if (method_exists($image, 'mergeImageLayers')) $image = $image->mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN);
      $image->setImageFormat('jpeg');
      $image->setImageCompression(Imagick::COMPRESSION_JPEG);
      $image->setImageCompressionQuality(BRATONIEN_WEBDAV_PREVIEW_JPEG_QUALITY);
@@ -131,7 +136,7 @@ function write_preview_gd($blob, $target, $extension)

    try
    {
-      if ($extension === 'png')
+      if (in_array($extension, array('png', 'gif', 'webp'), true))
      {
        imagealphablending($preview, false);
        imagesavealpha($preview, true);
@@ -149,10 +154,12 @@ function write_preview_gd($blob, $target, $extension)
        fail_preview('GD konnte das Preview nicht skalieren.');
      }

-      $written = $extension === 'png'
-        ? imagepng($preview, $target, 6)
-        : imagejpeg($preview, $target, BRATONIEN_WEBDAV_PREVIEW_JPEG_QUALITY);
-      if (!$written) fail_preview('GD konnte das Preview nicht schreiben.');
+      if ($extension === 'png') $written = imagepng($preview, $target, 6);
+      elseif ($extension === 'gif') $written = function_exists('imagegif') ? imagegif($preview, $target) : false;
+      elseif ($extension === 'webp') $written = function_exists('imagewebp') ? imagewebp($preview, $target, BRATONIEN_WEBDAV_PREVIEW_JPEG_QUALITY) : false;
+      else $written = imagejpeg($preview, $target, BRATONIEN_WEBDAV_PREVIEW_JPEG_QUALITY);
+
+      if (!$written) fail_preview('GD konnte das Preview im Format '.$extension.' nicht schreiben.');
    }
    finally
    {
@@ -168,7 +175,7 @@ function write_preview_gd($blob, $target, $extension)
 function write_preview($blob, $target, $extension)
 {
  $dir = dirname($target);
-  if (!is_dir($dir) && !mkdir($dir, 0755, true) && !is_dir($dir)) fail_preview('Preview-Verzeichnis konnte nicht angelegt werden.');
+  if (!is_dir($dir) && !mkdir($dir, 0775, true) && !is_dir($dir)) fail_preview('Preview-Verzeichnis konnte nicht angelegt werden.');

  if (class_exists('Imagick'))
  {
@@ -190,7 +197,48 @@ function write_preview($blob, $target, $extension)
    @unlink($target);
    fail_preview('Das erzeugte Preview ist ungültig.');
  }
-  @chmod($target, 0644);
+  @chmod($target, 0664);
+}
+
+function local_source_is_hydrated($source_path, $preview)
+{
+  if (!is_file($source_path) || !is_readable($source_path)) return false;
+  $source_size = @getimagesize($source_path);
+  $preview_size = @getimagesize($preview);
+  if (!is_array($source_size) || !is_array($preview_size)) return false;
+  if ((int)$source_size[0] !== (int)$preview_size[0] || (int)$source_size[1] !== (int)$preview_size[1]) return false;
+  $source_bytes = @filesize($source_path);
+  $preview_bytes = @filesize($preview);
+  return $source_bytes !== false && $preview_bytes !== false && (int)$source_bytes === (int)$preview_bytes;
+}
+
+function hydrate_local_source($source_path, $preview)
+{
+  $normalized = str_replace('\\', '/', (string)$source_path);
+  if (!preg_match('#/nc-webdav-source/connection-[0-9]+/root-[0-9]+/#', $normalized))
+  {
+    fail_preview('Unsicherer lokaler Connector-Quellpfad: '.$source_path);
+  }
+  if (!is_file($preview) || !is_readable($preview)) fail_preview('Preview für lokale Quelle fehlt: '.$preview);
+  if (local_source_is_hydrated($source_path, $preview)) return false;
+
+  $dir = dirname($source_path);
+  if (!is_dir($dir) && !mkdir($dir, 0775, true) && !is_dir($dir)) fail_preview('Lokales Connector-Verzeichnis konnte nicht angelegt werden: '.$dir);
+
+  $tmp = $source_path.'.bratonien-next-'.getmypid();
+  if (!@copy($preview, $tmp)) fail_preview('Preview konnte nicht in lokale Piwigo-Quelle kopiert werden: '.$source_path);
+  @chmod($tmp, 0664);
+  $mtime = @filemtime($preview);
+  if ($mtime) @touch($tmp, $mtime);
+  if (!@rename($tmp, $source_path))
+  {
+    @unlink($tmp);
+    fail_preview('Lokale Piwigo-Quelle konnte nicht ersetzt werden: '.$source_path);
+  }
+  clearstatcache(true, $source_path);
+  $size = @getimagesize($source_path);
+  if (!is_array($size) || empty($size[0]) || empty($size[1])) fail_preview('Lokale Piwigo-Quelle ist nach dem Ersetzen ungültig: '.$source_path);
+  return true;
 }

 try
@@ -212,8 +260,8 @@ try
  $mapping = json_decode((string)file_get_contents($mapping_file), true);
  if (!is_array($mapping) || !isset($mapping['files']) || !is_array($mapping['files'])) fail_preview('WebDAV-Mapping ist ungültig.');

-  if (!is_dir($cache_dir) && !mkdir($cache_dir, 0755, true) && !is_dir($cache_dir)) fail_preview('Preview-Cache konnte nicht angelegt werden.');
-  @chmod($cache_dir, 0755);
+  if (!is_dir($cache_dir) && !mkdir($cache_dir, 0775, true) && !is_dir($cache_dir)) fail_preview('Preview-Cache konnte nicht angelegt werden.');
+  @chmod($cache_dir, 2775);

  $state_file = $cache_dir.'/state.json';
  $old_state = array();
@@ -226,9 +274,10 @@ try
  $new_state = array();
  $generated = 0;
  $cached = 0;
+  $hydrated = 0;
  $errors = 0;

-  foreach ($mapping['files'] as $entry)
+  foreach ($mapping['files'] as $local_path=>$entry)
  {
    if (!is_array($entry) || (string)($entry['kind'] ?? '') !== 'file') continue;
    $webdav_path = trim((string)($entry['webdav_path'] ?? ''), '/');
@@ -245,26 +294,29 @@ try
      'version' => BRATONIEN_WEBDAV_PREVIEW_VERSION,
    );

-    $old = $old_state[$key] ?? null;
-    if (
-      is_file($target)
-      && is_array($old)
-      && (string)($old['etag'] ?? '') === $etag
-      && (string)($old['format'] ?? '') === $extension
-      && (int)($old['version'] ?? 0) === BRATONIEN_WEBDAV_PREVIEW_VERSION
-    )
-    {
-      $cached++;
-      continue;
-    }
-
    try
    {
-      $url = $base_url.'/remote.php/dav/files/'.rawurlencode($user).'/'.quote_webdav_path($webdav_path);
-      $blob = fetch_remote_blob($url, $user, $password);
-      write_preview($blob, $target, $extension);
-      remove_other_preview_format($cache_dir, $key, $target);
-      $generated++;
+      $old = $old_state[$key] ?? null;
+      $valid_cached = is_file($target)
+        && is_array($old)
+        && (string)($old['etag'] ?? '') === $etag
+        && (string)($old['format'] ?? '') === $extension
+        && (int)($old['version'] ?? 0) === BRATONIEN_WEBDAV_PREVIEW_VERSION;
+
+      if (!$valid_cached)
+      {
+        $url = $base_url.'/remote.php/dav/files/'.rawurlencode($user).'/'.quote_webdav_path($webdav_path);
+        $blob = fetch_remote_blob($url, $user, $password);
+        write_preview($blob, $target, $extension);
+        remove_other_preview_format($cache_dir, $key, $target);
+        $generated++;
+      }
+      else
+      {
+        $cached++;
+      }
+
+      if (hydrate_local_source((string)$local_path, $target)) $hydrated++;
    }
    catch (Throwable $e)
    {
@@ -277,14 +329,14 @@ try
  {
    if (!is_file($file) || basename($file) === 'state.json') continue;
    $name = basename($file);
-    if (!preg_match('/^([a-f0-9]{40})\.(jpg|png|webp)$/', $name, $m)) continue;
+    if (!preg_match('/^([a-f0-9]{40})\.(jpg|png|gif|webp)$/', $name, $m)) continue;
    if (!isset($new_state[$m[1]])) @unlink($file);
  }

  file_put_contents($state_file, json_encode($new_state, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT)."\n", LOCK_EX);
-  @chmod($state_file, 0644);
+  @chmod($state_file, 0664);

-  echo 'WebDAV-Previews: erzeugt='.$generated.' vorhanden='.$cached.' fehler='.$errors."\n";
+  echo 'WebDAV-Previews: erzeugt='.$generated.' vorhanden='.$cached.' lokale_quellen='.$hydrated.' fehler='.$errors."\n";
  exit($errors > 0 ? 1 : 0);
 }
 catch (Throwable $e)
--- a/runtime/native-runner.php
+++ b/runtime/native-runner.php
@@ -6,6 +6,9 @@ if (PHP_SAPI !== 'cli')
  exit(1);
 }

+$options = getopt('', array('connection-id::'));
+$connectionId = isset($options['connection-id']) ? (int)$options['connection-id'] : 0;
+
 $pluginRoot = dirname(__DIR__);
 $piwigoRoot = dirname($pluginRoot, 2);
 $base = rtrim($piwigoRoot, '/').'/_data/bratonien-tools';
@@ -44,9 +47,10 @@ $state = native_scheduler_state($stateFile);
 $state['enabled'] = true;
 $state['mode'] = 'piwigo-native';
 $state['state'] = 'running';
-$state['message'] = 'NC-Abgleich läuft.';
+$state['message'] = $connectionId > 0 ? 'NC-Abgleich für Verbindung #'.$connectionId.' läuft.' : 'NC-Abgleich läuft.';
 $state['started_at'] = time();
 $state['timestamp'] = time();
+$state['connection_id'] = $connectionId;
 native_scheduler_write($stateFile, $state);

 $env = $_ENV;
@@ -55,6 +59,7 @@ $env['BRATONIEN_NC_NATIVE'] = '1';
 $env['BRATONIEN_NC_PIWIGO_ROOT'] = $piwigoRoot;
 $env['BRATONIEN_NC_CONFIG_DIR'] = $runtimeDir;
 $env['BRATONIEN_NC_STATE_ROOT'] = $stateRoot;
+$env['BRATONIEN_NC_CONNECTION_ID'] = (string)$connectionId;
 $env['LC_ALL'] = 'C';
 $env['LANG'] = 'C';

@@ -86,10 +91,13 @@ $state = native_scheduler_state($stateFile);
 $state['enabled'] = true;
 $state['mode'] = 'piwigo-native';
 $state['state'] = $exit === 0 ? 'success' : 'error';
-$state['message'] = $exit === 0 ? 'NC-Abgleich erfolgreich abgeschlossen.' : 'NC-Abgleich fehlgeschlagen.';
+$state['message'] = $exit === 0
+  ? ($connectionId > 0 ? 'NC-Abgleich für Verbindung #'.$connectionId.' erfolgreich abgeschlossen.' : 'NC-Abgleich erfolgreich abgeschlossen.')
+  : ($connectionId > 0 ? 'NC-Abgleich für Verbindung #'.$connectionId.' fehlgeschlagen.' : 'NC-Abgleich fehlgeschlagen.');
 $state['timestamp'] = time();
 $state['finished_at'] = time();
 $state['exit_code'] = $exit;
+$state['connection_id'] = $connectionId;
 $state['stdout'] = trim($stdout);
 $state['stderr'] = trim($stderr);
 if (empty($state['next_due']) || (int)$state['next_due'] < time())
--- a/runtime/repair-webdav-cache-permissions.sh
+++ b/runtime/repair-webdav-cache-permissions.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+PIWIGO_ROOT="${1:-/var/www/piwigo}"
+PIWIGO_ROOT="${PIWIGO_ROOT%/}"
+DATA_DIR="$PIWIGO_ROOT/_data"
+
+[[ -d "$DATA_DIR" ]] || { echo "Piwigo-_data wurde nicht gefunden: $DATA_DIR" >&2; exit 1; }
+[[ "$(id -u)" -eq 0 ]] || { echo "Die Reparatur muss als root ausgeführt werden." >&2; exit 1; }
+
+DATA_UID="$(stat -c '%u' "$DATA_DIR")"
+DATA_GID="$(stat -c '%g' "$DATA_DIR")"
+
+PATHS=(
+  "$DATA_DIR/bratonien-tools/nc-webdav-gallery"
+  "$DATA_DIR/bratonien-tools/nc-webdav-preview"
+  "$DATA_DIR/i/_data/bratonien-tools/nc-webdav-gallery"
+  "$DATA_DIR/i/bratonien-watermark"
+)
+
+found=0
+for path in "${PATHS[@]}"; do
+  [[ -e "$path" ]] || continue
+  found=1
+  echo "Repariere: $path"
+  chown -R "$DATA_UID:$DATA_GID" -- "$path"
+  find "$path" -type d -exec chmod 2775 {} +
+  find "$path" -type f -exec chmod 0664 {} +
+done
+
+if [[ "$found" -eq 0 ]]; then
+  echo "Keine Bratonien-Cache-Verzeichnisse gefunden."
+  exit 0
+fi
+
+echo "Bratonien-Cache-Rechte wurden an $DATA_DIR angeglichen (UID $DATA_UID, GID $DATA_GID)."
--- a/runtime/run-all.sh
+++ b/runtime/run-all.sh
@@ -5,6 +5,7 @@ SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
 PIWIGO_ROOT_DEFAULT="${BRATONIEN_NC_PIWIGO_ROOT:-$(cd -- "$SCRIPT_DIR/../../.." && pwd)}"
 CONFIG_DIR="${BRATONIEN_NC_CONFIG_DIR:-/etc/bratonien-tools/nc-connector}"
 NATIVE_MODE="${BRATONIEN_NC_NATIVE:-0}"
+TARGET_CONNECTION_ID="${BRATONIEN_NC_CONNECTION_ID:-0}"
 GLOBAL_LOCK_DIR="${PIWIGO_ROOT_DEFAULT%/}/_data/bratonien-tools/nc-connector-scheduler"
 GLOBAL_LOCK_FILE="$GLOBAL_LOCK_DIR/worker.lock"
 mkdir -p -- "$GLOBAL_LOCK_DIR"
@@ -15,6 +16,11 @@ if ! flock -n 8; then
 fi
 shopt -s nullglob

+if [[ ! "$TARGET_CONNECTION_ID" =~ ^[0-9]+$ ]]; then
+    echo "NC Connector: ungültige Ziel-Verbindungs-ID: $TARGET_CONNECTION_ID" >&2
+    exit 1
+fi
+
 read_config_value() {
    local key="$1"
    local file="$2"
@@ -69,6 +75,10 @@ fi
 route_piwigo_root=""
 for candidate in "${webdav_configs[@]}" "${configs[@]}"; do
    [[ -f "$candidate" ]] || continue
+    candidate_id="$(read_config_value CONNECTION_ID "$candidate")"
+    if [[ "$TARGET_CONNECTION_ID" -gt 0 && "$candidate_id" != "$TARGET_CONNECTION_ID" ]]; then
+        continue
+    fi
    route_piwigo_root="$(read_config_value PIWIGO_ROOT "$candidate")"
    [[ -n "$route_piwigo_root" ]] && break
 done
@@ -79,6 +89,7 @@ failure_count=0
 webdav_count=0
 local_count=0
 summary_parts=()
+matched_count=0

 for config in "${webdav_configs[@]}"; do
    [[ -f "$config" ]] || continue
@@ -90,7 +101,11 @@ for config in "${webdav_configs[@]}"; do
        summary_parts+=("$name: ungueltige Verbindungs-ID")
        continue
    fi
+    if [[ "$TARGET_CONNECTION_ID" -gt 0 && "$connection_id" != "$TARGET_CONNECTION_ID" ]]; then
+        continue
+    fi

+    matched_count=$((matched_count + 1))
    webdav_count=$((webdav_count + 1))
    echo "NC Connector WebDAV #$connection_id: $name"
    output=""
@@ -119,7 +134,11 @@ if [[ "$NATIVE_MODE" != "1" ]]; then
            summary_parts+=("$name: ungueltige Verbindungs-ID")
            continue
        fi
+        if [[ "$TARGET_CONNECTION_ID" -gt 0 && "$connection_id" != "$TARGET_CONNECTION_ID" ]]; then
+            continue
+        fi

+        matched_count=$((matched_count + 1))
        piwigo_root="$(read_config_value PIWIGO_ROOT "$config")"
        [[ -n "$piwigo_root" ]] || piwigo_root="$PIWIGO_ROOT_DEFAULT"
        tombstone_dir="${piwigo_root%/}/_data/bratonien-tools/nc-connector-status"
@@ -145,6 +164,12 @@ if [[ "$NATIVE_MODE" != "1" ]]; then
    done
 fi

+if [[ "$TARGET_CONNECTION_ID" -gt 0 && "$matched_count" -eq 0 ]]; then
+    write_route_status "failed" "FEHLER - Verbindung #$TARGET_CONNECTION_ID" "Keine Laufzeitkonfiguration für Verbindung #$TARGET_CONNECTION_ID gefunden." "0"
+    echo "NC Connector: keine Laufzeitkonfiguration für Verbindung #$TARGET_CONNECTION_ID gefunden." >&2
+    exit 1
+fi
+
 summary_detail="$(IFS='; '; printf '%s' "${summary_parts[*]}")"
 [[ -n "$summary_detail" ]] || summary_detail="Keine Verbindung wurde ausgefuehrt."

@@ -160,10 +185,10 @@ if [[ "$failure_count" -eq 0 ]]; then
        label="Local"
    fi
    write_route_status "$route" "$label" "$summary_detail" "1"
-    echo "NC Connector: alle Verbindungen wurden erfolgreich verarbeitet."
+    echo "NC Connector: angeforderte Verbindung wurde erfolgreich verarbeitet."
    exit 0
 fi

-write_route_status "failed" "FEHLER - mindestens eine Verbindung" "$summary_detail" "0"
-echo "NC Connector: mindestens eine Verbindung ist fehlgeschlagen." >&2
+write_route_status "failed" "FEHLER - angeforderte Verbindung" "$summary_detail" "0"
+echo "NC Connector: die angeforderte Verbindung ist fehlgeschlagen." >&2
 exit 1
--- a/runtime/sync-webdav.sh
+++ b/runtime/sync-webdav.sh
@@ -78,7 +78,9 @@ done < "$WEBDAV_ROOTS_FILE"
 WEBDAV_CONNECT_IP="$(php "$SCRIPT_DIR/lib/resolve-nextcloud-target.php" "$WEBDAV_BASE_URL")"
 [[ -n "$WEBDAV_CONNECT_IP" ]] || { write_status error "Nextcloud-Zieladresse konnte nicht ermittelt werden"; exit 1; }

-python3 "$SCRIPT_DIR/lib/build_webdav_placeholder_source.py" \
+PLACEHOLDER_OUTPUT=""
+PLACEHOLDER_EXIT=0
+if PLACEHOLDER_OUTPUT="$(python3 "$SCRIPT_DIR/lib/build_webdav_placeholder_source.py" \
    --base-url "$WEBDAV_BASE_URL" \
    --connect-ip "$WEBDAV_CONNECT_IP" \
    --user "$WEBDAV_USER" \
@@ -86,12 +88,42 @@ python3 "$SCRIPT_DIR/lib/build_webdav_placeholder_source.py" \
    "${ROOT_ARGS[@]}" \
    --source-dir "$WEBDAV_SOURCE_DIR" \
    --manifest "$MANIFEST" \
-    --mapping "$WEBDAV_MAPPING_FILE"
+    --mapping "$WEBDAV_MAPPING_FILE" 2>&1)"; then
+    PLACEHOLDER_EXIT=0
+else
+    PLACEHOLDER_EXIT=$?
+fi
+[[ -z "$PLACEHOLDER_OUTPUT" ]] || printf '%s\n' "$PLACEHOLDER_OUTPUT"
+if [[ "$PLACEHOLDER_EXIT" -ne 0 ]]; then
+    DETAIL="Exit-Code: $PLACEHOLDER_EXIT"
+    if [[ -n "$PLACEHOLDER_OUTPUT" ]]; then
+        DETAIL+="; Ausgabe: $(printf '%s\n' "$PLACEHOLDER_OUTPUT" | tail -n 20 | tr '\n' ' ' | sed 's/[[:space:]]\+/ /g; s/^[[:space:]]//; s/[[:space:]]$//')"
+    fi
+    trap - ERR
+    write_status error "WebDAV-Shadow-Tree fehlgeschlagen" "$DETAIL"
+    exit "$PLACEHOLDER_EXIT"
+fi

-python3 "$SCRIPT_DIR/lib/shadow_tree.py" \
+SHADOW_OUTPUT=""
+SHADOW_EXIT=0
+if SHADOW_OUTPUT="$(python3 "$SCRIPT_DIR/lib/shadow_tree.py" \
    --manifest "$MANIFEST" \
    --destination "$GALLERY_ROOT" \
-    --state "$SHADOW_MAP_FILE"
+    --state "$SHADOW_MAP_FILE" 2>&1)"; then
+    SHADOW_EXIT=0
+else
+    SHADOW_EXIT=$?
+fi
+[[ -z "$SHADOW_OUTPUT" ]] || printf '%s\n' "$SHADOW_OUTPUT"
+if [[ "$SHADOW_EXIT" -ne 0 ]]; then
+    DETAIL="Exit-Code: $SHADOW_EXIT"
+    if [[ -n "$SHADOW_OUTPUT" ]]; then
+        DETAIL+="; Ausgabe: $(printf '%s\n' "$SHADOW_OUTPUT" | tail -n 20 | tr '\n' ' ' | sed 's/[[:space:]]\+/ /g; s/^[[:space:]]//; s/[[:space:]]$//')"
+    fi
+    trap - ERR
+    write_status error "WebDAV-Shadow-Tree fehlgeschlagen" "$DETAIL"
+    exit "$SHADOW_EXIT"
+fi

 trap - ERR

@@ -138,33 +170,9 @@ if [[ "${PIWIGO_SYNC_ENABLED:-0}" == "1" ]]; then
        exit "$PIWIGO_EXIT"
    fi

-    if [[ "${BRATONIEN_NC_NATIVE:-0}" == "1" ]]; then
-        if command -v timeout >/dev/null 2>&1; then
-            if ! timeout 30m env PIWIGO_CONFIG="$CONFIG_FILE" bash "$SCRIPT_DIR/build-webdav-media.sh"; then
-                write_status error "Bildaufbereitung ist fehlgeschlagen oder hat das 30-Minuten-Limit erreicht"
-                exit 1
-            fi
-        elif ! env PIWIGO_CONFIG="$CONFIG_FILE" bash "$SCRIPT_DIR/build-webdav-media.sh"; then
-            write_status error "Bildaufbereitung ist fehlgeschlagen"
-            exit 1
-        fi
-    else
-        MEDIA_UNIT="bratonien-nc-media-${CONNECTION_ID}-$(date +%s)"
-        if ! systemd-run \
-            --quiet \
-            --collect \
-            --unit="$MEDIA_UNIT" \
-            --property=RuntimeMaxSec=30min \
-            --setenv="PIWIGO_CONFIG=$CONFIG_FILE" \
-            /usr/bin/env bash "$SCRIPT_DIR/build-webdav-media.sh"; then
-            write_status error "Bildaufbereitung konnte nicht im Hintergrund gestartet werden"
-            exit 1
-        fi
-    fi
-
    if grep -q 'Piwigo-Synchronisierung per API erfolgreich' <<<"$PIWIGO_OUTPUT"; then
        write_status ok \
-            "WebDAV eingelesen und Piwigo synchronisiert; Bildaufbereitung abgeschlossen" \
+            "WebDAV eingelesen und Piwigo synchronisiert" \
            "" \
            "api" \
            "ok" \
@@ -173,7 +181,7 @@ if [[ "${PIWIGO_SYNC_ENABLED:-0}" == "1" ]]; then
            "Fallback wurde nicht benötigt"
    elif grep -q 'Piwigo-Datenbanksynchronisierung per Benutzername/Passwort-Fallback erfolgreich' <<<"$PIWIGO_OUTPUT"; then
        write_status ok \
-            "WebDAV eingelesen und Piwigo über Fallback synchronisiert; Bildaufbereitung abgeschlossen" \
+            "WebDAV eingelesen und Piwigo über Fallback synchronisiert" \
            "" \
            "fallback" \
            "not_used" \
@@ -181,7 +189,7 @@ if [[ "${PIWIGO_SYNC_ENABLED:-0}" == "1" ]]; then
            "ok" \
            "Benutzername/Passwort-Fallback erfolgreich"
    else
-        write_status ok "WebDAV eingelesen und Piwigo synchronisiert; Bildaufbereitung abgeschlossen"
+        write_status ok "WebDAV eingelesen und Piwigo synchronisiert"
    fi
 else
    write_status ok "WebDAV eingelesen; Piwigo-Synchronisierung ist für diese Verbindung deaktiviert"
--- a/template/admin_tabs.tpl
+++ b/template/admin_tabs.tpl
@@ -9,13 +9,7 @@
 .bratonien-tab-panel { width:100%; max-width:none; margin-left:0 !important; margin-right:0 !important; }
 .bratonien-tab-panel[hidden] { display:none !important; }
 .bratonien-card { margin-left:0; margin-right:0; }
-.bratonien-edit-dialog { width:min(920px,calc(100vw - 3rem)); max-height:88vh; overflow:auto; background:#444; color:inherit; border:1px solid #777; border-radius:4px; padding:0; box-shadow:0 18px 60px rgba(0,0,0,.55); }
-.bratonien-edit-dialog::backdrop { background:rgba(0,0,0,.55); }
-.bratonien-edit-dialog__body { padding:1.25rem 1.5rem; }
-.bratonien-storage-row { display:grid; grid-template-columns:minmax(120px,.7fr) minmax(150px,1fr) minmax(240px,1.5fr) auto; gap:.5rem; align-items:end; margin:.5rem 0; }
-.bratonien-storage-row label { display:flex; flex-direction:column; gap:.25rem; }
-.bratonien-storage-row input { width:100%; box-sizing:border-box; }
-@media (max-width:760px) { .bratonien-tabs{gap:5px}.bratonien-tab{border-bottom:1px solid rgba(255,255,255,.16);border-radius:4px;margin-bottom:0;padding:9px 11px}.bratonien-storage-row{grid-template-columns:1fr} }
+@media (max-width:760px) { .bratonien-tabs{gap:5px}.bratonien-tab{border-bottom:1px solid rgba(255,255,255,.16);border-radius:4px;margin-bottom:0;padding:9px 11px} }
 </style>
 <div id="bratonien-tabs-anchor"></div>
 <script>
@@ -59,19 +53,15 @@

    function token(){var input=section.querySelector('input[name="pwg_token"]');return input?input.value:'';}
    function setOpen(value){try{if(value)sessionStorage.setItem(storageKey,'1');else sessionStorage.removeItem(storageKey);}catch(e){}}
+    function setMode(value){try{if(value)sessionStorage.setItem(modeKey,value);else sessionStorage.removeItem(modeKey);}catch(e){}}
    function mode(){try{return sessionStorage.getItem(modeKey)||'';}catch(e){return '';}}
-    function clearMode(){try{sessionStorage.removeItem(modeKey);}catch(e){}}
    function applyMode(){
      if(!dialog)return;
-      var current=mode();
      var heading=dialog.querySelector('h4');
      var finish=dialog.querySelector('button[value="nc_connector_wizard_finish"]');
-      if(current==='edit'){
+      if(mode()==='edit'){
        if(heading)heading.textContent='Verbindung bearbeiten';
        if(finish)finish.textContent='Änderungen speichern';
-      }else if(current==='migrate'){
-        if(heading)heading.textContent='Auf WebDAV migrieren';
-        if(finish)finish.textContent='Migration starten';
      }else{
        if(heading)heading.textContent='Neue Verbindung';
        if(finish)finish.textContent='Verbindung anlegen';
@@ -90,13 +80,13 @@
      return fetch(window.location.href,{method:'POST',credentials:'same-origin',cache:'no-store',headers:{'Content-Type':'application/x-www-form-urlencoded;charset=UTF-8'},body:body.toString()});
    }
    function closeAfterReset(){
-      if(resetBusy)return;resetBusy=true;setOpen(false);clearMode();
+      if(resetBusy)return;resetBusy=true;setOpen(false);setMode('');
      resetServer().catch(function(){}).finally(function(){resetBusy=false;if(dialog){if(typeof dialog.close==='function'&&dialog.open)dialog.close();else dialog.removeAttribute('open');}});
    }

    if(openButton){
      openButton.addEventListener('click',function(event){
-        event.preventDefault();event.stopImmediatePropagation();clearMode();showWizard();
+        event.preventDefault();event.stopImmediatePropagation();setMode('');showWizard();
      },true);
    }
    if(closeButton){
@@ -105,111 +95,33 @@
    if(dialog){
      dialog.addEventListener('cancel',function(event){event.preventDefault();event.stopImmediatePropagation();closeAfterReset();},true);
      dialog.addEventListener('click',function(event){if(event.target===dialog){event.preventDefault();event.stopImmediatePropagation();closeAfterReset();}},true);
+
      [].slice.call(dialog.querySelectorAll('form[data-bratonien-wizard-form]')).forEach(function(form){
        form.addEventListener('submit',function(event){
          var submitter=event.submitter;
          setOpen(true);
          if(submitter&&submitter.hasAttribute('data-bratonien-wizard-end')){
            setOpen(false);
-            if(submitter.value==='nc_connector_wizard_reset')clearMode();
+            if(submitter.value==='nc_connector_wizard_reset'||submitter.value==='nc_connector_wizard_finish')setMode('');
          }
        },true);
      });
+
+      [].slice.call(section.querySelectorAll('form')).forEach(function(form){
+        var editButton=form.querySelector('button[value="nc_connector_edit_start"]');
+        if(!editButton)return;
+        form.addEventListener('submit',function(event){
+          if(event.submitter&&event.submitter.value==='nc_connector_edit_start'){
+            setMode('edit');setOpen(true);
+          }
+        },true);
+      });
+
      try{if(sessionStorage.getItem(storageKey)==='1')showWizard();}catch(e){}
      applyMode();
    }
  }

-  function initNCConnectionEditing(){
-    var section=document.getElementById('nc-connector');if(!section)return;
-    var modeKey='bratonienNcWizardMode';
-    var pwgTokenInput=section.querySelector('input[name="pwg_token"]');
-    var pwgToken=pwgTokenInput?pwgTokenInput.value:'';
-
-    function setMode(value){try{sessionStorage.setItem(modeKey,value);}catch(e){}}
-    function makePostButton(label,tool,id,modeValue){
-      var form=document.createElement('form');form.method='post';form.style.display='inline';
-      var token=document.createElement('input');token.type='hidden';token.name='pwg_token';token.value=pwgToken;form.appendChild(token);
-      var connection=document.createElement('input');connection.type='hidden';connection.name='connection_id';connection.value=String(id);form.appendChild(connection);
-      var button=document.createElement('button');button.type='submit';button.className='buttonLike';button.name='bratonien_tool';button.value=tool;button.textContent=label;
-      if(modeValue)form.addEventListener('submit',function(){setMode(modeValue);});
-      form.appendChild(button);return form;
-    }
-    function escapeHtml(value){return String(value==null?'':value).replace(/[&<>"']/g,function(c){return {'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#039;'}[c];});}
-    function localEditorDialog(){
-      var dialog=document.getElementById('bratonien-nc-local-edit-dialog');
-      if(dialog)return dialog;
-      dialog=document.createElement('dialog');dialog.id='bratonien-nc-local-edit-dialog';dialog.className='bratonien-edit-dialog';
-      dialog.innerHTML='<div class="bratonien-edit-dialog__body"><div style="display:flex;align-items:center;justify-content:space-between;gap:1rem"><div><h4 style="margin:0">Verbindung bearbeiten</h4><p class="bratonien-base-note" style="margin:.35rem 0 0">Bestehende Legacy-Verbindung. Änderungen werden in derselben Verbindung gespeichert.</p></div><button type="button" class="buttonLike" data-local-edit-close>Schließen</button></div><div data-local-edit-content style="margin-top:1rem"></div></div>';
-      document.body.appendChild(dialog);
-      dialog.querySelector('[data-local-edit-close]').addEventListener('click',function(){dialog.close();});
-      dialog.addEventListener('click',function(event){if(event.target===dialog)dialog.close();});
-      return dialog;
-    }
-    function storageRow(storage){
-      return '<div class="bratonien-storage-row" data-storage-row>'+
-        '<label>Storage-ID<input name="nc_storage_id[]" value="'+escapeHtml(storage.storage_id||'')+'" required></label>'+
-        '<label>Quellordner<input name="nc_source_prefix[]" value="'+escapeHtml(storage.source_prefix||'')+'" placeholder="optional"></label>'+
-        '<label>Lokaler Speicherpfad<input name="nc_local_mount[]" value="'+escapeHtml(storage.local_mount||'')+'" required></label>'+
-        '<button type="button" class="buttonLike" data-remove-storage>Entfernen</button></div>';
-    }
-    function openLocalEditor(id){
-      var dialog=localEditorDialog();
-      var content=dialog.querySelector('[data-local-edit-content]');
-      content.innerHTML='<p class="bratonien-base-note">Verbindung wird geladen …</p>';
-      if(typeof dialog.showModal==='function')dialog.showModal();else dialog.setAttribute('open','open');
-      fetch('plugins/bratonien_tools/nc-connector-edit-data.php?connection_id='+encodeURIComponent(id)+'&_='+Date.now(),{credentials:'same-origin',cache:'no-store',headers:{'Accept':'application/json'}})
-        .then(function(response){return response.json().then(function(data){if(!response.ok)throw new Error(data.error||('HTTP '+response.status));return data;});})
-        .then(function(data){
-          if(data.adapter!=='local')throw new Error('Diese Verbindung ist keine Legacy-Verbindung.');
-          var legacy=data.legacy||{};var storages=Array.isArray(legacy.storages)?legacy.storages:[];
-          var rows=storages.map(storageRow).join('');
-          if(!rows)rows=storageRow({});
-          content.innerHTML='<form method="post" data-local-edit-form>'+
-            '<input type="hidden" name="pwg_token" value="'+escapeHtml(pwgToken)+'">'+
-            '<input type="hidden" name="connection_id" value="'+escapeHtml(data.id)+'">'+
-            '<div class="bratonien-form-grid">'+
-              '<label class="bratonien-label">Name</label><input name="connection_name" value="'+escapeHtml(data.name)+'" required>'+
-              '<label class="bratonien-label">Datenbank-Server</label><input name="nc_host" value="'+escapeHtml(legacy.host)+'" required>'+
-              '<label class="bratonien-label">Port</label><input name="nc_port" type="number" min="1" max="65535" value="'+escapeHtml(legacy.port||5432)+'" required>'+
-              '<label class="bratonien-label">Datenbank</label><input name="nc_database" value="'+escapeHtml(legacy.database)+'" required>'+
-              '<label class="bratonien-label">Reader-Benutzer</label><input name="nc_user" value="'+escapeHtml(legacy.user)+'" required>'+
-              '<label class="bratonien-label">Reader-Passwort</label><input name="nc_db_password" type="password" autocomplete="new-password" placeholder="leer = unverändert">'+
-            '</div>'+
-            '<h5 style="margin-top:1rem">Speicherorte</h5><p class="bratonien-base-note">Jeder Speicherort wird einzeln bearbeitet. Es ist kein Pipe-/Textformat erforderlich.</p><div data-storage-list>'+rows+'</div><button type="button" class="buttonLike" data-add-storage>Speicherort hinzufügen</button>'+
-            '<details style="margin-top:1rem"><summary>Erweiterte Legacy-Einstellungen</summary><div class="bratonien-form-grid" style="margin-top:.75rem">'+
-              '<label class="bratonien-label">Source-View</label><input name="nc_source_view" value="'+escapeHtml(legacy.source_view)+'" required>'+
-              '<label class="bratonien-label">Activity-View</label><input name="nc_activity_view" value="'+escapeHtml(legacy.activity_view)+'" required>'+
-              '<label class="bratonien-label">Piwigo-Galerieordner</label><input name="nc_gallery_root" value="'+escapeHtml(legacy.gallery_root)+'" required>'+
-              '<label class="bratonien-label">Ruhezeit (Sek.)</label><input name="nc_quiet_seconds" type="number" min="0" value="'+escapeHtml(legacy.quiet_seconds)+'">'+
-              '<label class="bratonien-label">Maximale Wartezeit (Sek.)</label><input name="nc_max_wait_seconds" type="number" min="60" value="'+escapeHtml(legacy.max_wait_seconds)+'">'+
-              '<label class="bratonien-label">Vollprüfung nach (Sek.)</label><input name="nc_full_sync_seconds" type="number" min="300" value="'+escapeHtml(legacy.full_sync_seconds)+'">'+
-            '</div></details>'+
-            '<div class="bratonien-actions" style="margin-top:1rem"><button class="buttonLike" type="submit" name="bratonien_tool" value="nc_connector_update_local">Änderungen speichern</button><button class="buttonLike" type="button" data-local-edit-cancel>Abbrechen</button></div></form>';
-          var form=content.querySelector('[data-local-edit-form]');
-          form.querySelector('[data-local-edit-cancel]').addEventListener('click',function(){dialog.close();});
-          form.querySelector('[data-add-storage]').addEventListener('click',function(){form.querySelector('[data-storage-list]').insertAdjacentHTML('beforeend',storageRow({}));});
-          form.addEventListener('click',function(event){var remove=event.target.closest('[data-remove-storage]');if(remove){var row=remove.closest('[data-storage-row]');if(row)row.remove();}});
-        })
-        .catch(function(error){content.innerHTML='<p class="bratonien-main-cache__warning"><strong>Bearbeiten nicht möglich:</strong> '+escapeHtml(error.message||String(error))+'</p>';});
-    }
-
-    [].slice.call(section.querySelectorAll('button[value="nc_connector_edit_start"]')).forEach(function(button){var form=button.closest('form');if(form)form.remove();});
-
-    [].slice.call(section.querySelectorAll('button[value="nc_connector_delete"]')).forEach(function(deleteButton){
-      var deleteForm=deleteButton.closest('form');var card=deleteButton.closest('details');if(!deleteForm||!card)return;
-      var idInput=deleteForm.querySelector('input[name="connection_id"]');if(!idInput)return;var id=idInput.value;
-      var actions=deleteForm.parentElement;if(!actions)return;
-      var text=card.textContent||'';var isLocal=text.indexOf('bestehende Legacy-Konfiguration')!==-1;
-      if(isLocal){
-        var edit=document.createElement('button');edit.type='button';edit.className='buttonLike';edit.textContent='Bearbeiten';edit.addEventListener('click',function(){openLocalEditor(id);});actions.insertBefore(edit,deleteForm);
-        actions.insertBefore(makePostButton('Auf WebDAV migrieren','nc_connector_migrate_start',id,'migrate'),deleteForm);
-      }else{
-        actions.insertBefore(makePostButton('Bearbeiten','nc_connector_edit_start',id,'edit'),deleteForm);
-      }
-    });
-  }
-
  function initNCConnectorPolling(){
    var section=document.getElementById('nc-connector');if(!section)return;
    var endpoint='plugins/bratonien_tools/nc-connector-status.php';
@@ -262,7 +174,7 @@
    poll();schedule();
  }

-  function initAll(){initBratonienTabs();initNCWizardLifecycle();initNCConnectionEditing();initNCConnectorPolling();}
+  function initAll(){initBratonienTabs();initNCWizardLifecycle();initNCConnectorPolling();}
  if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',initAll);else initAll();
 })();
 </script>
--- a/tools/album_rules.inc.php
+++ b/tools/album_rules.inc.php
@@ -93,37 +93,7 @@ function bratonien_tools_resolve_album_rule($category_id, array $categories, arr
    $by_id[(int)$category['id']] = $category;
  }

-  $category_id = (int)$category_id;
-  $root = $by_id[$category_id] ?? null;
-  $is_private = $root && isset($root['status']) && $root['status'] === 'private';
-
-  // Privat ist eine Vererbungsgrenze. Eine direkt auf diesem privaten Album
-  // gesetzte Regel bleibt moeglich, aber Regeln oeffentlicher Eltern duerfen
-  // nicht in ein privates Album hineinvererbt werden.
-  if ($is_private)
-  {
-    if (isset($rules[$category_id]))
-    {
-      $rule = $rules[$category_id];
-      if ($rule['mode'] === 'disabled')
-      {
-        return array('mode'=>'disabled','profile_id'=>null,'source'=>'album');
-      }
-      if ($rule['mode'] === 'profile')
-      {
-        return array('mode'=>'profile','profile_id'=>(int)$rule['profile_id'],'source'=>'album');
-      }
-    }
-
-    $profile_id = $defaults['private_profile'] ?? null;
-    if (empty($profile_id))
-    {
-      return array('mode'=>'disabled','profile_id'=>null,'source'=>'global');
-    }
-    return array('mode'=>'profile','profile_id'=>(int)$profile_id,'source'=>'global');
-  }
-
-  $current = $category_id;
+  $current = (int)$category_id;
  $visited = array();

  while ($current > 0 && isset($by_id[$current]) && !isset($visited[$current]))
@@ -146,7 +116,10 @@ function bratonien_tools_resolve_album_rule($category_id, array $categories, arr
    $current = (int)($by_id[$current]['id_uppercat'] ?? 0);
  }

-  $profile_id = $defaults['public_profile'] ?? null;
+  $root = $by_id[(int)$category_id] ?? null;
+  $is_private = $root && isset($root['status']) && $root['status'] === 'private';
+  $profile_id = $is_private ? ($defaults['private_profile'] ?? null) : ($defaults['public_profile'] ?? null);
+
  if (empty($profile_id))
  {
    return array('mode'=>'disabled','profile_id'=>null,'source'=>'global');
--- a/webdav-image.php
+++ b/webdav-image.php
@@ -52,6 +52,18 @@ if (!pwg_db_num_rows($access_result)) bratonien_tools_webdav_image_abort(403, 'K
 $source = bratonien_tools_webdav_image_source_info($image_id);
 if (!$source) bratonien_tools_webdav_image_abort(404, 'Keine WebDAV-Quelle für dieses Bild gefunden.');

+if (!empty($_GET['ajaxload']))
+{
+  $preview = !empty($_GET['preview']);
+  $final_url = bratonien_tools_webdav_image_url($image_id, $preview);
+  if (!$final_url) bratonien_tools_webdav_image_abort(404, 'Keine WebDAV-Bild-URL verfügbar.');
+
+  header('Content-Type: application/json; charset=utf-8');
+  header('Cache-Control: no-store, max-age=0');
+  echo json_encode(array('url'=>$final_url), JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+  exit;
+}
+
 if (!empty($_GET['preview']))
 {
  $preview = bratonien_tools_webdav_preview_path($source);
@@ -121,7 +133,7 @@ $options = array(
  CURLOPT_USERPWD => $user.':'.$password,
  CURLOPT_RETURNTRANSFER => false,
  CURLOPT_FAILONERROR => false,
-  CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Image/0.9.7.1',
+  CURLOPT_USERAGENT => 'Bratonien-Tools-WebDAV-Image/0.9.7.24',
  CURLOPT_HEADERFUNCTION => function($ch, $line)
  {
    $length = strlen($line);
Author	SHA1	Message	Date
Terranom674	8510d9faad	0.9.7.25: Piwigo-Core-Synchronisation wiederherstellen	2026-08-20 09:12:01 +02:00
Terranom674	f21f19bd30	Merge pull request #46 from Terranom674/fix/09724-native-ajaxload-placeholder 0.9.7.24: Piwigo-Nachladen für WebDAV-Platzhalter reparieren	2026-08-20 09:02:33 +02:00
Terranom674	29990aee4f	0.9.7.24: Version anheben	2026-08-20 09:00:53 +02:00
Terranom674	9c551c8dfc	0.9.7.24: Piwigo ajaxload fuer WebDAV-Platzhalter bedienen	2026-08-20 09:00:36 +02:00
Terranom674	e5bc260622	Merge pull request #45 from Terranom674/fix/09723-visible-run-status 0.9.7.23: Abgleich sichtbar ausführen und Fehlerdetails anzeigen	2026-08-20 08:34:32 +02:00
Terranom674	5b883706c7	0.9.7.23: Version anheben	2026-08-20 08:33:27 +02:00
Terranom674	66f463422e	0.9.7.23: Konkrete Shadow-Tree-Fehler in Diagnose übernehmen	2026-08-20 08:32:51 +02:00
Terranom674	df9e9e6424	0.9.7.23: Verbindungsbezogenen Live-Status bereitstellen	2026-08-20 08:32:23 +02:00
Terranom674	26b602783f	0.9.7.23: Abgleich sichtbar und ohne Seitenreload ausführen	2026-08-20 08:32:04 +02:00
Terranom674	ae1b47c4c4	Merge pull request #44 from Terranom674/fix/09722-placeholder-dimension-fallback 0.9.7.22: Originalmaße robust aus Nextcloud übernehmen	2026-08-20 08:24:54 +02:00
Terranom674	6f2f39cd37	0.9.7.22: Version anheben	2026-08-20 08:23:51 +02:00
Terranom674	2794719ff3	0.9.7.22: Originalmaße bei fehlenden NC-Metadaten aus Bildkopf lesen	2026-08-20 08:23:11 +02:00
Terranom674	941d0cd7bb	Merge pull request #43 from Terranom674/fix/09721-placeholder-original-dimensions 0.9.7.21: Originalmaße direkt in Platzhalter tragen	2026-08-20 08:13:55 +02:00
Terranom674	392038ce7e	0.9.7.21: Version anheben	2026-08-20 08:12:29 +02:00
Terranom674	3aa82b18f4	0.9.7.21: Originalmasse in WebDAV-Platzhalter schreiben	2026-08-20 08:11:49 +02:00
Terranom674	0a76919a21	Merge pull request #42 from Terranom674/fix/09720-restore-pre-ui-image-path 0.9.7.20: NC-Bildpfad auf funktionierenden Pre-UI-Stand zurück	2026-08-20 08:03:49 +02:00
Terranom674	d7dacdae56	0.9.7.20: Medien-Sonderlauf aus WebDAV-Sync entfernen	2026-08-20 08:03:04 +02:00
Terranom674	15b489714b	0.9.7.20: nachgelagerte Medien-Sonderlogik deaktivieren	2026-08-20 08:00:43 +02:00
Terranom674	f3b52c55ef	0.9.7.20: WebDAV-Derivat-URL-Hook wiederherstellen	2026-08-20 08:00:20 +02:00
Terranom674	67c1e814c8	0.9.7.20: funktionierenden NC-Kern vor UI-Umbau wiederherstellen	2026-08-20 07:59:44 +02:00
Terranom674	a5a8856e48	Merge pull request #41 from Terranom674/fix/09719-restore-run-now-and-clean-owned-albums 0.9.7.19: Jetzt abgleichen wiederherstellen	2026-08-20 07:39:47 +02:00
Terranom674	2af46d1820	0.9.7.19: Versionsstand setzen	2026-08-20 07:38:28 +02:00
Terranom674	e5d754fdab	0.9.7.19: Jetzt-abgleichen-Button über normalen Tool-POST wiederherstellen	2026-08-20 07:38:10 +02:00
Terranom674	0adcc5ca54	Merge pull request #40 from Terranom674/fix/09718-restore-pre-ui-behavior 0.9.7.18: konsistente Kernfunktionen und einheitliche NC-UI wiederherstellen	2026-08-20 00:02:17 +02:00
Terranom674	61988db337	Restore single-path NC admin UI	2026-08-19 23:59:56 +02:00
Terranom674	bdfea105cf	Keep request-local watermark performance cache	2026-08-19 23:58:13 +02:00
Terranom674	6f64cb9fe6	Restore stable admin tab behavior	2026-08-19 23:57:24 +02:00
Terranom674	65b068814f	Unify stale WebDAV cleanup across historical connector paths	2026-08-19 23:55:04 +02:00
Terranom674	e58d2c700a	Clean missing images across all connection path generations	2026-08-19 23:54:35 +02:00
Terranom674	afaea3b424	Delete all known path variants for one WebDAV connection	2026-08-19 23:54:17 +02:00
Terranom674	7a763ba62a	Reduce WebDAV builder to metadata refresh only	2026-08-19 23:53:38 +02:00
Terranom674	31e29db7c2	Remove obsolete destructive legacy reset	2026-08-19 23:53:11 +02:00
Terranom674	ab116d29c2	Remove destructive legacy reset from updates	2026-08-19 23:49:54 +02:00
Terranom674	46924db618	Remove parallel NC source picker endpoint	2026-08-19 23:49:36 +02:00
Terranom674	6e96b0adc3	Remove parallel NC edit save endpoint	2026-08-19 23:49:28 +02:00
Terranom674	b8f3ed44a3	Remove parallel NC edit data endpoint	2026-08-19 23:49:21 +02:00
Terranom674	cb3b2f258c	Disable parallel NC editor layer	2026-08-19 23:49:13 +02:00
Terranom674	ef1c1265a9	0.9.7.18: restore stable non-connector hooks	2026-08-19 23:48:40 +02:00
Terranom674	47d7000cc8	Restore stable watermark settings	2026-08-19 23:48:16 +02:00
Terranom674	c358c157e4	Restore stable watermark profile behavior	2026-08-19 23:48:06 +02:00
Terranom674	1d62dc17e8	Restore stable album watermark rules	2026-08-19 23:47:46 +02:00
Terranom674	ad4c281fdc	Restore stable watermark engine	2026-08-19 23:47:31 +02:00
Terranom674	a43a15a9d3	Restore stable watermark runtime	2026-08-19 23:47:13 +02:00
Terranom674	31b8590e4a	Merge pull request #39 from Terranom674/fix/09717-remove-missing-webdav-images 0.9.7.17: entfernte Freigaben sicher aus Piwigo bereinigen	2026-08-19 23:28:36 +02:00
Terranom674	c772010137	Version 0.9.7.17	2026-08-19 23:27:41 +02:00
Terranom674	d075d05708	0.9.7.17: Verbindungsloeschung ueber eigene Gallery-Root	2026-08-19 23:27:09 +02:00
Terranom674	a4fb7421f0	0.9.7.17: Bereinigung nur nach erfolgreichem WebDAV-Abruf	2026-08-19 23:26:53 +02:00
Terranom674	9da08b5d8e	0.9.7.17: fehlende Connector-Bilder nach erfolgreichem Abruf bereinigen	2026-08-19 23:26:37 +02:00
Terranom674	f28365b0ca	Merge pull request #38 from Terranom674/fix/09716-native-piwigo-source 0.9.7.16: WebDAV-Bilder wieder über Piwigos nativen Derivatpfad laden	2026-08-19 23:07:42 +02:00
Terranom674	fb6c1a03d2	0.9.7.16: vorhandene Preview-Caches ohne Massendownload weiterverwenden	2026-08-19 23:06:11 +02:00
Terranom674	98d0471683	0.9.7.16: WebDAV-Bildendpoint wieder auf Originalauslieferung begrenzen	2026-08-19 23:05:14 +02:00
Terranom674	63eba888f8	0.9.7.16: native Piwigo-Derivatlogik wiederherstellen	2026-08-19 23:04:51 +02:00
Terranom674	748b0e986d	0.9.7.16: widersprüchlichen WebDAV-Derivat-Hook entfernen	2026-08-19 23:04:34 +02:00
Terranom674	c1281ad077	0.9.7.16: eigenen WebDAV-Derivat-Endpunkt entfernen	2026-08-19 23:04:26 +02:00
Terranom674	bc0593642c	0.9.7.16: echte NC-Previews als lokale Piwigo-Quelle verwenden	2026-08-19 23:04:06 +02:00
Terranom674	9052076fd7	Merge pull request #37 from Terranom674/fix/09715-piwigo-ajax-loader 0.9.7.15: Piwigo-AJAX-Lader für WebDAV-Bilder reparieren	2026-08-19 22:59:33 +02:00
Terranom674	5772a59b55	Bump version to 0.9.7.15	2026-08-19 22:58:34 +02:00
Terranom674	84762154d6	Return JSON for Piwigo AJAX image loader	2026-08-19 22:58:17 +02:00
Terranom674	1580c235a8	Fix Piwigo AJAX loader response for WebDAV derivatives	2026-08-19 22:57:56 +02:00
Terranom674	4aac5ca4a2	Merge pull request #36 from Terranom674/fix/09714-cache-permissions 0.9.7.14: WebDAV-Cache-Rechte reparieren	2026-08-19 22:48:56 +02:00
Terranom674	ab1f20beef	0.9.7.14: Einmalige Cache-Rechtereparatur	2026-08-19 22:48:00 +02:00
Terranom674	f94a001006	Version 0.9.7.14	2026-08-19 22:47:45 +02:00
Terranom674	3f64895f8e	0.9.7.14: Connector-Cache-Rechte normalisieren	2026-08-19 22:47:20 +02:00
Terranom674	48f1eacce7	Merge pull request #35 from Terranom674/fix/09713-watermark-album-overview 0.9.7.13: Wasserzeichen in Albumübersicht nach Albumregel	2026-08-19 22:43:07 +02:00
Terranom674	7c8c7ab98a	Purge stale watermark cache once on 0.9.7.13	2026-08-19 22:42:24 +02:00
Terranom674	ade38ff2d1	Clear watermark cache after profile changes	2026-08-19 22:42:01 +02:00
Terranom674	6a013fe875	Clear watermark cache after album rule changes	2026-08-19 22:41:36 +02:00
Terranom674	c71112d94e	Invalidate watermark cache on rule changes	2026-08-19 22:41:20 +02:00
Terranom674	7d97e1b515	Register album overview watermark context	2026-08-19 22:39:08 +02:00
Terranom674	47afbc7f43	Fix watermark context for album overview covers	2026-08-19 22:38:54 +02:00
Terranom674	706639a57e	Merge pull request #34 from Terranom674/fix/09712-ondemand-missing-preview 0.9.7.12: On-Demand-Altbilder nicht mehr auf 404 hängen lassen	2026-08-19 22:36:50 +02:00
Terranom674	c7b14add33	0.9.7.12: Version anheben	2026-08-19 22:35:53 +02:00
Terranom674	f9e87df305	0.9.7.12: fehlende On-Demand-Previews auf echtes WebDAV-Bild zurueckfallen	2026-08-19 22:35:25 +02:00
Terranom674	6ba5eb4d7f	Merge pull request #33 from Terranom674/fix/09711-fotorama-ondemand 0.9.7.11: Fotorama-Derivate on demand erzeugen	2026-08-19 22:32:15 +02:00
Terranom674	85369fa15e	Version 0.9.7.11	2026-08-19 22:31:13 +02:00
Terranom674	981ba6c18b	0.9.7.11: On-Demand WebDAV Derivat Endpoint	2026-08-19 22:30:52 +02:00
Terranom674	77e20af977	0.9.7.11: Fotorama Derivate erst bei Abruf erzeugen	2026-08-19 22:30:34 +02:00
Terranom674	e187c517da	Merge pull request #32 from Terranom674/fix/09710-never-serve-connector-placeholders 0.9.7.10: Connector-Platzhalter nie im Frontend ausliefern	2026-08-19 22:27:47 +02:00
Terranom674	28e34d6c73	0.9.7.10: Version anheben	2026-08-19 22:26:54 +02:00
Terranom674	b8852310bd	0.9.7.10: Connector-Platzhalter nie als Derivat ausliefern	2026-08-19 22:26:37 +02:00
Terranom674	ae96fc2e3e	Merge pull request #31 from Terranom674/fix/0979-picture-derivatives 0.9.7.9: Picture-Viewer lädt WebDAV-Derivate lokal	2026-08-19 22:17:54 +02:00
Terranom674	ebf4fc7e74	0.9.7.9: Plugin-Version anheben	2026-08-19 22:16:46 +02:00
Terranom674	d798b82ec7	0.9.7.9: Picture-Derivate lokal aus NC-Preview erzeugen	2026-08-19 22:16:26 +02:00
Terranom674	9e282af1b4	Merge pull request #30 from Terranom674/fix/0978-modus-gallery-derivative 0.9.7.8: Modus-Galeriederivat beim Sync vorbauen	2026-08-19 22:03:53 +02:00
Terranom674	d7628d1dac	Version auf 0.9.7.8 setzen	2026-08-19 22:02:59 +02:00
Terranom674	7e9c3ae05f	0.9.7.8: Modus-Galeriederivat vorab erzeugen	2026-08-19 22:02:43 +02:00
Terranom674	b64e46a549	Merge pull request #29 from Terranom674/fix/0974-gallery-derivative-only 0.9.7.7: Connector-Altbestand einmalig zurücksetzen	2026-08-19 21:50:57 +02:00
Terranom674	779ba80dfe	Jetzt-abgleichen global und verbindungsbezogen erlauben	2026-08-19 21:50:18 +02:00
Terranom674	ebbc183f87	Globalen Jetzt-abgleichen-Lauf erhalten	2026-08-19 21:49:45 +02:00
Terranom674	f3b5002f4d	run-all auf angeforderte Verbindung filtern	2026-08-19 21:48:05 +02:00
Terranom674	6c393bbcfc	Native Runner auf einzelne Verbindung begrenzen	2026-08-19 21:47:40 +02:00
Terranom674	829381676d	Manuellen Abgleich auf ausgewählte Verbindung begrenzen	2026-08-19 21:47:25 +02:00
Terranom674	6382cee491	Jetzt-abgleichen verbindungsbezogen starten	2026-08-19 21:47:01 +02:00
Terranom674	69c3932e9b	CI für 0.9.7.7 auslösen	2026-08-19 21:45:16 +02:00
Terranom674	747a76c066	Altbestand beim Update auf 0.9.7.7 einmalig bereinigen	2026-08-19 21:45:06 +02:00
Terranom674	5024757136	Einmaligen Connector-Altbestand-Reset ergänzen	2026-08-19 21:44:52 +02:00
Terranom674	5125d2e247	0.9.7.7 vorbereiten	2026-08-19 21:44:39 +02:00
Terranom674	6607c4aefe	Merge pull request #28 from Terranom674/fix/0974-gallery-derivative-only 0.9.7.6: Galerie-Hotpath entlasten	2026-08-19 21:38:09 +02:00
Terranom674	32f2ceaaec	cleanup: temporaeren CI-Trigger entfernen	2026-08-19 21:37:19 +02:00
Terranom674	5a5669d976	ci: trigger 0.9.7.6	2026-08-19 21:36:46 +02:00
Terranom674	e4ab277cfc	0.9.7.6: Wasserzeichen-Engine pro Request nur einmal initialisieren	2026-08-19 21:36:37 +02:00
Terranom674	9e07cd8042	0.9.7.6: Request-Scheduler aus Galeriepfad entfernen	2026-08-19 21:35:50 +02:00
Terranom674	588f1fc100	0.9.7.6: WebDAV-Hotpath pro Request cachen	2026-08-19 21:35:06 +02:00
Terranom674	a23fc81190	Merge pull request #27 from Terranom674/fix/0974-gallery-derivative-only 0.9.7.5: Alt-Derivate reparieren und Galerie beschleunigen	2026-08-19 21:30:24 +02:00
Terranom674	ff5af83e65	Rebuild only mismatched legacy gallery derivatives	2026-08-19 21:29:31 +02:00
Terranom674	c61d8e32cc	Use fast WebDAV gallery derivative filter	2026-08-19 21:28:47 +02:00
Terranom674	38c4955f70	Add fast WebDAV gallery derivative path	2026-08-19 21:28:29 +02:00
Terranom674	5c217288a8	Bump version to 0.9.7.5	2026-08-19 21:27:17 +02:00
Terranom674	17c79ce8ab	Restore branch to 0.9.7.4 baseline	2026-08-19 21:27:03 +02:00
Terranom674	7746d26c9f	Remove accidental temporary file	2026-08-19 21:26:47 +02:00
Terranom674	d05ab28549	noop	2026-08-19 21:26:19 +02:00
Terranom674	55b5be56b6	Merge pull request #26 from Terranom674/fix/0974-gallery-derivative-only 0.9.7.4: nur Galeriederivat beim WebDAV-Import	2026-08-19 21:23:35 +02:00
Terranom674	ba0b5af417	Release 0.9.7.4	2026-08-19 21:12:39 +02:00
Terranom674	315af9641c	Build only gallery derivative from WebDAV preview	2026-08-19 21:12:24 +02:00
Terranom674	77ae007a28	Merge pull request #25 from Terranom674/fix/0973-webdav-root-altimports 0.9.7.3: Altimporte aus WebDAV-Stammverzeichnis reparieren	2026-08-19 21:02:13 +02:00