- ghost admin

.gitignore

@@ -1,3 +1,8 @@
 /CSharpGhostImporter/.vs/*
 /CSharpGhostImporter/bin/*
 /CSharpGhostImporter/obj/*
+/0
+/GhostImageManager/.vs/*
+/GhostImageManager/bin/*
+/GhostImageManager/obj/*
+/GhostImageManager/Properties/*

CSharpGhostImporter/Converter.cs

@@ -1,5 +1,8 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
+using System.Net;
+using System.Net.Http;
+using HtmlAgilityPack;
 using wp2ghost;
 
 class Program
@@ -22,6 +25,7 @@ class Program
         ImageManager.Init(BaseDir);
         PostFetcher.Init(BaseDir);
         GhostExporter.Init(BaseDir);
+        LinkDecisionManager.Init(BaseDir);
         GhostApi.Init(GhostUrl, GhostAdminApiKey, GhostContentApiKey, ImageManager.ImageContainerPath);
 
         Console.OutputEncoding = System.Text.Encoding.UTF8;
@@ -57,8 +61,12 @@ class Program
                 case "7":
                     await GhostMenuAsync();
                     break;
+                case "8":
+                    LinkDecisionManager.ShowInfo();
+                    break;
                 case "0":
                     ImageManager.SaveCache();
+                    LinkDecisionManager.Save();
                     running = false;
                     Console.WriteLine("Programm beendet. Auf Wiedersehen!");
                     break;
@@ -89,6 +97,7 @@ class Program
         Console.WriteLine("  5 - Abgefragte Objekte zurücksetzen");
         Console.WriteLine("  6 - Bilder lokal löschen");
         Console.WriteLine("  7 - Beiträge direkt an Ghost senden");
+        Console.WriteLine("  8 - Gespeicherte Link-Entscheidungen anzeigen");
         Console.WriteLine("  0 - Beenden");
         Console.WriteLine("-----------------------------------------");
         Console.Write("Auswahl: ");
@@ -352,6 +361,9 @@ class Program
         Console.Write("HTML-Inhalt: ");
         string? html = Console.ReadLine()?.Trim();
 
+        // Links validieren und ggf. korrigieren
+        html = await ValidateAndFixLinksAsync(html);
+
         Console.Write("Status (published/draft) [published]: ");
         string? status = Console.ReadLine()?.Trim();
         if (string.IsNullOrEmpty(status)) status = "published";
@@ -459,6 +471,233 @@ class Program
         Console.WriteLine($"  Hochgeladen: {uploaded}/{cachedFiles.Count}");
     }
 
+    // =========================================================================
+    // HTML-Links validieren und bei Bedarf korrigieren
+    // =========================================================================
+    private static async Task<string> ValidateAndFixLinksAsync(string? html)
+    {
+        if (string.IsNullOrWhiteSpace(html)) return html ?? "";
+
+        var doc = new HtmlDocument();
+        doc.LoadHtml(html);
+
+        var invalidLinks = new List<(string text, string href, HtmlNode node)>();
+
+        // Alle <a>-Tags suchen
+        var anchors = doc.DocumentNode.SelectNodes("//a[@href]");
+        if (anchors == null) return html;
+
+        foreach (var anchor in anchors)
+        {
+            string href = anchor.GetAttributeValue("href", "").Trim();
+            string text = anchor.InnerText.Trim();
+
+            if (string.IsNullOrEmpty(href)) continue;
+
+            // Prüfe, ob URL valide ist (inkl. Reichbarkeitsprüfung)
+            if (!await IsValidUrlAsync(href, checkReachability: true))
+            {
+                invalidLinks.Add((text, href, anchor));
+            }
+        }
+
+        if (invalidLinks.Count == 0) return html;
+
+        // User über invaliden Links informieren und zur Korrektur auffordern
+        Console.WriteLine($"\n  {invalidLinks.Count} ungültiger Link(s) gefunden:");
+        for (int i = 0; i < invalidLinks.Count; i++)
+        {
+            Console.WriteLine($"  [{i + 1}] Text: \"{invalidLinks[i].text}\" | Link: {invalidLinks[i].href}");
+        }
+
+        Console.WriteLine("\nOptionen pro Link:");
+        Console.WriteLine("  d = Link löschen (Text bleibt, <a>-Tag entfernt)");
+        Console.WriteLine("  e = Link bearbeiten (neue URL eingeben)");
+        Console.WriteLine("  Enter = Link so übernehmen (beibehalten)");
+
+        // Für jeden invaliden Link die User-Entscheidung einholen
+        foreach (var (linkText, linkHref, anchorNode) in invalidLinks)
+        {
+            // 1. Memory: Frühere Entscheidung suchen und vorschlagen
+            var previous = LinkDecisionManager.GetPreviousDecision(linkText, linkHref);
+
+            Console.WriteLine($"\n  ---------------------------------------------");
+            Console.WriteLine($"  Link-Text : \"{linkText}\"");
+            Console.WriteLine($"  Aktueller Link : {linkHref}");
+
+            if (previous != null)
+            {
+                string prevInfo = previous.Decision switch
+                {
+                    "delete" => "LÖSCHEN",
+                    "edit" => $"ERSETZEN durch '{previous.NewUrl}'",
+                    _ => "BEIBEHALTEN"
+                };
+                Console.WriteLine($"  [Memory] Frühere Entscheidung: {prevInfo} (vom {previous.Timestamp:dd.MM.yyyy HH:mm})");
+            }
+
+            // 2. Browser-Öffnen anbieten (da Link nicht erreichbar ist)
+            string searchQuery = Uri.EscapeDataString(linkText);
+            string searchUrl = $"https://www.google.com/search?q={searchQuery}";
+            Console.WriteLine($"  [Suche] Fallstrick: Link nicht erreichbar. Browser-Suche verfügbar.");
+
+            Console.Write($"  Optionen: [Enter=übernehmen" + (previous != null ? $" / v=Vorschlag '{previous.Decision}' anwenden" : "") + " / d=löschen / e=bearbeiten / b=Browser öffnen]: ");
+            string? choice = Console.ReadLine()?.Trim()?.ToLowerInvariant();
+
+            // Browser öffnen
+            if (choice == "b")
+            {
+                Console.WriteLine($"    -> Öffne Browser mit Suche nach: \"{linkText}\"");
+                OpenBrowser(searchUrl);
+                // Nach dem Browser-Öffnen erneut nach der Entscheidung fragen
+                Console.Write($"  Jetzt entscheiden? [Enter=übernehmen / d=löschen / e=bearbeiten]: ");
+                choice = Console.ReadLine()?.Trim()?.ToLowerInvariant();
+            }
+
+            // Memory-Vorschlag anwenden
+            if (choice == "v" && previous != null)
+            {
+                ApplyDecision(anchorNode, previous, linkText, linkHref, ref html, doc);
+                Console.WriteLine($"    -> Frühere Entscheidung angewendet: {previous.Decision}");
+                continue;
+            }
+
+            if (choice == "d")
+            {
+                // Link löschen: <a>-Tag entfernen, Text erhalten
+                var parent = anchorNode.ParentNode;
+                if (parent != null)
+                {
+                    parent.ReplaceChild(HtmlNode.CreateNode(anchorNode.InnerText), anchorNode);
+                }
+                Console.WriteLine($"    -> Link gelöscht");
+                LinkDecisionManager.SaveDecision(linkText, linkHref, "delete");
+            }
+            else if (choice == "e")
+            {
+                // Link bearbeiten: neue URL eingeben
+                Console.Write("  Neue URL eingeben: ");
+                string? newUrl = Console.ReadLine()?.Trim();
+                if (!string.IsNullOrEmpty(newUrl))
+                {
+                    anchorNode.SetAttributeValue("href", newUrl);
+                    Console.WriteLine($"    -> Auf '{newUrl}' aktualisiert");
+                    LinkDecisionManager.SaveDecision(linkText, linkHref, "edit", newUrl);
+                }
+                else
+                {
+                    Console.WriteLine($"    -> Beibehalten");
+                    LinkDecisionManager.SaveDecision(linkText, linkHref, "keep");
+                }
+            }
+            else
+            {
+                Console.WriteLine($"    -> Beibehalten");
+                LinkDecisionManager.SaveDecision(linkText, linkHref, "keep");
+            }
+        }
+
+        return doc.DocumentNode.OuterHtml;
+    }
+
+    // =========================================================================
+    // Hilfsmethoden für Link-Entscheidungen
+    // =========================================================================
+
+    /// <summary>
+    /// Wendet eine gespeicherte (frühere) Entscheidung auf den Link an.
+    /// </summary>
+    private static void ApplyDecision(HtmlNode anchorNode, LinkDecision decision, string linkText, string linkHref, ref string? html, HtmlDocument doc)
+    {
+        if (decision.Decision == "delete")
+        {
+            var parent = anchorNode.ParentNode;
+            if (parent != null)
+            {
+                parent.ReplaceChild(HtmlNode.CreateNode(anchorNode.InnerText), anchorNode);
+            }
+        }
+        else if (decision.Decision == "edit" && !string.IsNullOrEmpty(decision.NewUrl))
+        {
+            anchorNode.SetAttributeValue("href", decision.NewUrl);
+        }
+        // "keep" = nichts tun
+    }
+
+    /// <summary>
+    /// Öffnet die Standard-Browser-Anwendung mit der angegebenen URL.
+    /// </summary>
+    private static void OpenBrowser(string url)
+    {
+        try
+        {
+            var psi = new System.Diagnostics.ProcessStartInfo
+            {
+                FileName = url,
+                UseShellExecute = true
+            };
+            System.Diagnostics.Process.Start(psi);
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"    [Browser-Fehler] Konnte Browser nicht öffnen: {ex.Message}");
+        }
+    }
+
+    private static async Task<bool> IsValidUrlAsync(string url, bool checkReachability = false)
+    {
+        if (string.IsNullOrWhiteSpace(url)) return false;
+
+        // Relative URLs (beginnen mit / oder sind Pfade) sind für interne Links gültig
+        if (url.StartsWith("/") || !url.Contains(":"))
+        {
+            if (checkReachability) { /* relative links are considered valid regardless */ }
+            return true;
+        }
+
+        // Prüfe auf gültiges URI-Format mit http/https Schemes
+        try
+        {
+            var uri = new Uri(url, UriKind.Absolute);
+            if (uri.Scheme != Uri.UriSchemeHttp && uri.Scheme != Uri.UriSchemeHttps)
+                return false;
+
+            // Optionale Reichbarkeitsprüfung
+            if (checkReachability)
+            {
+                using var httpClient = new HttpClient { Timeout = TimeSpan.FromSeconds(3) };
+                try
+                {
+                    var request = new HttpRequestMessage(HttpMethod.Head, uri);
+                    var response = await httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
+                    return (int)response.StatusCode < 400; // 2xx oder 3xx = erreichbar
+                }
+                catch (HttpRequestException)
+                {
+                    // Verbindungsfehler, DNS-Failure, Timeout etc.
+                    return false;
+                }
+                catch (TaskCanceledException)
+                {
+                    // Timeout
+                    return false;
+                }
+            }
+
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    // Synchronen Wrapper für die bestehende Validierung
+    private static bool IsValidUrl(string url)
+    {
+        return IsValidUrlAsync(url, false).Result;
+    }
+
     static async Task GhostCreateOrUpdateFromJsonAsync()
     {
         string ghostPostsDir = Path.Combine(BaseDir, "ghostPosts");
@@ -509,12 +748,14 @@ class Program
         Console.WriteLine($"  Post: {postFile.Title}");
         Console.WriteLine($"  Slug: {postFile.Slug}");
         Console.WriteLine($"  Kategorien: {postFile.Categories.Count}");
+        Console.WriteLine($"  Tags: {postFile.Tags.Count}");
         Console.WriteLine($"  Kommentare: {postFile.Comments.Count}");
         Console.WriteLine($"  Bilder: {postFile.ImageFiles.Count}");
 
         // 1. ALLE Bilder hochladen + Ghost-URL-Mapping erstellen
         var ghostUrlMap = new Dictionary<string, string>();
         string html = postFile.Html ?? "";
+        html = await ValidateAndFixLinksAsync(html);
 
         if (postFile.ImageFiles.Count > 0)
         {
@@ -572,12 +813,47 @@ class Program
             Console.WriteLine($"   [Warnung] {remaining} unrestrierte __GHOST_URL__ Platzhalter im HTML");
         }
 
-        // 4. Tags erstellen/zuordnen
+        // 4. Tags erstellen/zuordnen (Kategorien + Tags)
         var tags = new List<GhostAdminTag>();
-        if (postFile.Categories.Count > 0)
+        var allTagSources = new List<WpCategory>();
+
+        // Bei mehreren Kategorien: primäre Kategorie abfragen
+        if (postFile.Categories.Count > 1)
         {
-            Console.WriteLine("  [Tags] Verarbeite Kategorien...");
-            tags = await GhostApi.EnsureTagsAsync(postFile.Categories);
+            Console.WriteLine();
+            Console.WriteLine("  [Kategorien] Mehrere Kategorien gefunden:");
+            for (int i = 0; i < postFile.Categories.Count; i++)
+            {
+                Console.WriteLine($"    [{i + 1}] {postFile.Categories[i].Name}");
+            }
+            Console.Write("  Relevante Kategorie (Nummer, Enter = erste): ");
+            string? catChoice = Console.ReadLine()?.Trim();
+            if (int.TryParse(catChoice, out int catIdx) && catIdx >= 1 && catIdx <= postFile.Categories.Count)
+            {
+                // Gewählte Kategorie an erste Stelle setzen
+                var primary = postFile.Categories[catIdx - 1];
+                allTagSources.Add(primary);
+                allTagSources.AddRange(postFile.Categories.Where((_, idx) => idx != catIdx - 1));
+                Console.WriteLine($"  -> Primäre Kategorie: {primary.Name}");
+            }
+            else
+            {
+                allTagSources.AddRange(postFile.Categories);
+                Console.WriteLine($"  -> Erste Kategorie: {postFile.Categories[0].Name}");
+            }
+        }
+        else if (postFile.Categories.Count == 1)
+        {
+            allTagSources.AddRange(postFile.Categories);
+        }
+
+        if (postFile.Tags.Count > 0)
+            allTagSources.AddRange(postFile.Tags);
+
+        if (allTagSources.Count > 0)
+        {
+            Console.WriteLine($"  [Tags] Verarbeite {postFile.Categories.Count} Kategorien + {postFile.Tags.Count} Tags...");
+            tags = await GhostApi.EnsureTagsAsync(allTagSources);
         }
 
         // 5. Prüfe ob Post mit gleichem Slug bereits in Ghost existiert

CSharpGhostImporter/GhostDto.cs

@@ -31,6 +31,7 @@ namespace wp2ghost
         [JsonPropertyName("published_at")] public string? PublishedAt { get; set; }
         [JsonPropertyName("feature_image")] public string? FeatureImage { get; set; }
         [JsonPropertyName("categories")] public List<WpCategory> Categories { get; set; } = new();
+        [JsonPropertyName("tags")] public List<WpCategory> Tags { get; set; } = new();
         [JsonPropertyName("keywords")] public string? Keywords { get; set; }
         [JsonPropertyName("comments")] public List<WpComment> Comments { get; set; } = new();
         [JsonPropertyName("image_files")] public List<string> ImageFiles { get; set; } = new();

CSharpGhostImporter/HtmlConverter.cs

@@ -99,6 +99,7 @@ namespace wp2ghost
             ConvertSingleImages(htmlDoc);
             ConvertFigures(htmlDoc);
             ConvertWpClasses(htmlDoc);
+            AddTargetBlankToExternalLinks(htmlDoc);
 
             return htmlDoc.DocumentNode.OuterHtml;
         }
@@ -134,11 +135,27 @@ namespace wp2ghost
                 container.AddClass("kg-gallery-container");
 
                 var wrappers = new List<HtmlNode>();
+                var imageCaptions = new List<string>();
+
                 foreach (var item in items)
                 {
                     var img = item.SelectSingleNode(".//img");
                     if (img == null) continue;
 
+                    // Bild-Titel aus data-image-caption Attribut extrahieren
+                    string dataCaption = img.GetAttributeValue("data-image-caption", "").Trim();
+                    if (!string.IsNullOrEmpty(dataCaption))
+                        imageCaptions.Add(dataCaption);
+
+                    // Auch figcaption innerhalb des gallery-items prüfen
+                    var figCap = item.SelectSingleNode(".//figcaption");
+                    if (figCap != null && !string.IsNullOrWhiteSpace(figCap.InnerText))
+                    {
+                        string capText = figCap.InnerText.Trim();
+                        if (!string.IsNullOrEmpty(capText) && !imageCaptions.Contains(capText))
+                            imageCaptions.Add(capText);
+                    }
+
                     string src = GetBestImageUrl(img);
                     if (string.IsNullOrEmpty(src)) continue;
 
@@ -150,11 +167,14 @@ namespace wp2ghost
                 AppendGalleryRows(htmlDoc, container, wrappers, GetGalleryColumns(gallery));
                 ghostGallery.AppendChild(container);
 
-                var captionNode = gallery.SelectSingleNode(".//*[contains(@class, 'gallery-caption')] | .//figcaption");
-                if (captionNode != null && !string.IsNullOrWhiteSpace(captionNode.InnerText))
+                // Gallery-Bild-Titel übertragen, wenn vorhanden
+                if (imageCaptions.Count > 0)
                 {
+                    // Ersten nicht-leeren Titel nehmen als Gallery-Kapitel
+                    string firstCaption = imageCaptions[0];
+                    
                     var newCaption = htmlDoc.CreateElement("figcaption");
-                    newCaption.InnerHtml = captionNode.InnerHtml;
+                    newCaption.InnerHtml = firstCaption;
                     ghostGallery.AppendChild(newCaption);
                     ghostGallery.AddClass("kg-card-hascaption");
                 }
@@ -207,15 +227,24 @@ namespace wp2ghost
                 AppendGalleryRows(htmlDoc, container, wrappers, GetGalleryColumns(gallery));
                 ghostGallery.AppendChild(container);
 
-                // Caption aus erstem figcaption im Gallery-Container extrahieren
-                var captionNode = gallery.SelectSingleNode(".//figcaption");
-                if (captionNode != null && !string.IsNullOrWhiteSpace(captionNode.InnerText))
+                // Alle individuellen Bildunterschriften aus der Gutenberg-Gallery sammeln
+                var captionNodes = gallery.SelectNodes(".//figcaption");
+                if (captionNodes != null && captionNodes.Count > 0)
+                {
+                    var distinctCaptions = captionNodes
+                        .Select(n => n.InnerText.Trim())
+                        .Where(t => !string.IsNullOrWhiteSpace(t))
+                        .Distinct()
+                        .ToList();
+
+                    if (distinctCaptions.Count > 0)
                     {
                         var newCaption = htmlDoc.CreateElement("figcaption");
-                    newCaption.InnerHtml = captionNode.InnerHtml;
+                        newCaption.InnerHtml = string.Join(" · ", distinctCaptions);
                         ghostGallery.AppendChild(newCaption);
                         ghostGallery.AddClass("kg-card-hascaption");
                     }
+                }
 
                 // data-carousel-extra als Ghost-Attribut übertragen (falls vorhanden)
                 if (!string.IsNullOrEmpty(carouselExtra))
@@ -567,6 +596,28 @@ namespace wp2ghost
             }
         }
 
+        // =========================================================================
+        // Externe Links mit target="_blank" versehen
+        // =========================================================================
+        private static void AddTargetBlankToExternalLinks(HtmlDocument htmlDoc)
+        {
+            var anchors = htmlDoc.DocumentNode.SelectNodes("//a[@href]");
+            if (anchors == null) return;
+
+            foreach (var anchor in anchors.ToList())
+            {
+                string href = anchor.GetAttributeValue("href", "").Trim();
+                if (string.IsNullOrEmpty(href)) continue;
+
+                // Nur absolute externe URLs (http/https)
+                if (href.StartsWith("http://") || href.StartsWith("https://"))
+                {
+                    anchor.SetAttributeValue("target", "_blank");
+                    anchor.SetAttributeValue("rel", "noopener noreferrer");
+                }
+            }
+        }
+
         private static bool HasClass(HtmlNode node, string className)
         {
             string classes = node.GetAttributeValue("class", "");

CSharpGhostImporter/ImageManager.cs

@@ -20,11 +20,28 @@ namespace wp2ghost
         public static IReadOnlyList<(string RelativePath, string LocalPath)> CachedFiles => FilesToZip;
         public static bool TryGetRelativePath(string url, out string relativePath)
         {
+            // 1. Direkte URL-Prüfung im Cache
             if (Cache.TryGetValue(url, out var cached))
             {
                 relativePath = cached.RelativePath;
                 return true;
             }
+
+            // 2. Prüfung über WordPress-Dateinamen (fürFeatured Images mit anderer URL)
+            string wpName = Path.GetFileNameWithoutExtension(new Uri(url).AbsolutePath);
+            if (WordpressToGhostImageName.TryGetValue(wpName, out string? relPath) && !string.IsNullOrEmpty(relPath))
+            {
+                string localPath = Path.Combine(LocalImageDir, relPath);
+                if (File.Exists(localPath))
+                {
+                    relativePath = relPath;
+                    // Auch im Cache eintragen für zukünftige Suche
+                    Cache[url] = (relPath, localPath);
+                    return true;
+                }
+                WordpressToGhostImageName.Remove(wpName);
+            }
+
             relativePath = "";
             return false;
         }
@@ -46,7 +63,10 @@ namespace wp2ghost
         {
             var lines = new List<string>();
             foreach (var kvp in Cache)
-                lines.Add($"{kvp.Key}|{kvp.Value.RelativePath}|{kvp.Value.LocalPath}");
+            {
+                string wpName = Path.GetFileNameWithoutExtension(new Uri(kvp.Key).AbsolutePath);
+                lines.Add($"{kvp.Key}|{kvp.Value.RelativePath}|{kvp.Value.LocalPath}|{wpName}");
+            }
             File.WriteAllLines(CachePath, lines);
         }
 
@@ -223,8 +243,13 @@ namespace wp2ghost
                 foreach (var line in lines)
                 {
                     var parts = line.Split('|');
-                    if (parts.Length == 3)
+                    if (parts.Length >= 3)
+                    {
                         Cache[parts[0]] = (parts[1], parts[2]);
+                        // WordPress-Dateinamen auch ins Dictionary laden
+                        if (parts.Length >= 4 && !string.IsNullOrEmpty(parts[3]))
+                            WordpressToGhostImageName[parts[3]] = parts[1];
+                    }
                 }
             }
             catch (Exception ex)

CSharpGhostImporter/LinkDecisionManager.cs

@@ -0,0 +1,138 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace wp2ghost
+{
+    // =============================================================================
+    // LinkDecision — gespeicherte Entscheidung für einen Link
+    // =============================================================================
+    public class LinkDecision
+    {
+        [JsonPropertyName("link_text")]
+        public string LinkText { get; set; } = "";
+
+        [JsonPropertyName("link_href")]
+        public string LinkHref { get; set; } = "";
+
+        // Entscheidung: "keep" (beibehalten), "delete" (löschen), "edit" (ersetzt)
+        [JsonPropertyName("decision")]
+        public string Decision { get; set; } = "";
+
+        // Nur bei "edit": die neue URL
+        [JsonPropertyName("new_url")]
+        public string? NewUrl { get; set; }
+
+        [JsonPropertyName("timestamp")]
+        public DateTime Timestamp { get; set; } = DateTime.Now;
+    }
+
+    // =============================================================================
+    // LinkDecisionManager — merkt sich User-Entscheidungen für Links (Memory)
+    // =============================================================================
+    public static class LinkDecisionManager
+    {
+        private static Dictionary<string, LinkDecision> _decisions = new(StringComparer.OrdinalIgnoreCase);
+        private static string _decisionsPath = "";
+
+        // Key = Normalisierter Link (Text|Href)
+        private static string NormalizeKey(string linkText, string linkHref)
+        {
+            return $"{linkText.Trim().ToLowerInvariant()}|{linkHref.Trim().ToLowerInvariant()}";
+        }
+
+        public static void Init(string baseDir)
+        {
+            _decisionsPath = Path.Combine(baseDir, "link_decisions.json");
+            Load();
+        }
+
+        public static void Save()
+        {
+            if (string.IsNullOrEmpty(_decisionsPath)) return;
+            try
+            {
+                var options = new JsonSerializerOptions { WriteIndented = true };
+                File.WriteAllText(_decisionsPath, JsonSerializer.Serialize(_decisions.Values.ToList(), options));
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"   [Link-Memory] Fehler beim Speichern der Entscheidungen: {ex.Message}");
+            }
+        }
+
+        private static void Load()
+        {
+            if (!File.Exists(_decisionsPath)) return;
+            try
+            {
+                var json = File.ReadAllText(_decisionsPath);
+                var list = JsonSerializer.Deserialize<List<LinkDecision>>(json);
+                if (list != null)
+                {
+                    foreach (var d in list)
+                    {
+                        string key = NormalizeKey(d.LinkText, d.LinkHref);
+                        _decisions[key] = d;
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"   [Link-Memory] Fehler beim Laden der Entscheidungen: {ex.Message}");
+            }
+        }
+
+        /// <summary>
+        /// Speichert eine User-Entscheidung für einen Link.
+        /// </summary>
+        public static void SaveDecision(string linkText, string linkHref, string decision, string? newUrl = null)
+        {
+            string key = NormalizeKey(linkText, linkHref);
+            _decisions[key] = new LinkDecision
+            {
+                LinkText = linkText,
+                LinkHref = linkHref,
+                Decision = decision,
+                NewUrl = newUrl
+            };
+            Save();
+        }
+
+        /// <summary>
+        /// Versucht eine frühere Entscheidung für diesen Link zu finden.
+        /// </summary>
+        public static LinkDecision? GetPreviousDecision(string linkText, string linkHref)
+        {
+            string key = NormalizeKey(linkText, linkHref);
+            if (_decisions.TryGetValue(key, out var d))
+                return d;
+            return null;
+        }
+
+        /// <summary>
+        /// Gibt die Anzahl gespeicherter Entscheidungen zurück (für Info-Anzeige).
+        /// </summary>
+        public static int Count => _decisions.Count;
+
+        public static void ShowInfo()
+        {
+            if (_decisions.Count > 0)
+            {
+                Console.WriteLine($"\nGespeicherte Link-Entscheidungen: {_decisions.Count}");
+                foreach (var kvp in _decisions.Take(20))
+                {
+                    var d = kvp.Value;
+                    string info = d.Decision switch
+                    {
+                        "delete" => "gelöscht",
+                        "edit" => $"ersetzt durch '{d.NewUrl}'",
+                        _ => "beibehalten"
+                    };
+                    Console.WriteLine($"  \"{d.LinkText}\" -> {info}");
+                }
+                if (_decisions.Count > 20)
+                    Console.WriteLine($"  ... und {_decisions.Count - 20} weitere");
+            }
+        }
+    }
+}

CSharpGhostImporter/PostFetcher.cs

@@ -78,6 +78,9 @@ namespace wp2ghost
                     return;
                 }
 
+                ProcessedPosts.Clear();
+                LoadProcessedPosts();
+
                 var pendingIds = allPostIds.Where(id => !ProcessedPosts.Contains(id)).ToList();
                 Console.WriteLine($"Insgesamt gefunden: {allPostIds.Count}, Bereits abgefragt: {allPostIds.Count - pendingIds.Count}, Noch zu verarbeiten: {pendingIds.Count}");
 
@@ -105,11 +108,15 @@ namespace wp2ghost
                     Console.WriteLine($"[{++processed}/{pendingIds.Count}] -> Beitrag/Seite ID: {wpId}...");
                     string detailUrl = $"{wpBaseUrl.TrimEnd('/')}/wp-json/custom/v1/post-details/{wpId}";
 
+                    //string postUrl = $"{wpBaseUrl.TrimEnd('/')}/wp-json/wp/v2/posts/{wpId}?_embed";
+         
                     try
                     {
                         var detailJson = await httpClient.GetStringAsync(detailUrl);
                         var wpPost = JsonSerializer.Deserialize<WpPostResponse>(detailJson);
 
+                        //var postJson = await httpClient.GetStringAsync(postUrl);
+
                         if (wpPost == null)
                         {
                             Console.WriteLine($"   Übersprungen (null).");
@@ -217,7 +224,7 @@ namespace wp2ghost
                         GhostPosts.Add(ghostPost);
 
                         // JSON-Datei in ghostPosts/ speichern
-                        var postFile = new GhostPostFile
+                        var ghostPostFile = new GhostPostFile
                         {
                             WpId = wpId,
                             WpSlug = wpPost.Slug,
@@ -230,13 +237,17 @@ namespace wp2ghost
                             PublishedAt = postDate.ToString("o"),
                             FeatureImage = featureImageGhostPath,
                             Categories = wpPost.Categories ?? new(),
+                            Tags = wpPost.Tags ?? new(),
                             Keywords = wpPost.Keywords ?? "",
                             Comments = wpPost.Comments ?? new(),
                             ImageFiles = imageFiles,
                             Html = htmlContent
                         };
-                        string jsonPath = Path.Combine(GhostPostsDir, $"{postFile.WpId}.json");
-                        File.WriteAllText(jsonPath, JsonSerializer.Serialize(postFile, new JsonSerializerOptions { WriteIndented = true }));
+                        string jsonPath = Path.Combine(GhostPostsDir, $"{ghostPostFile.WpId}.json");
+                        File.WriteAllText(jsonPath, JsonSerializer.Serialize(ghostPostFile, new JsonSerializerOptions { WriteIndented = true }));
+
+                        // Cache sofort speichern (nicht erst beim Beenden)
+                        ImageManager.SaveCache();
 
                         MarkProcessed(wpId, wpPost.Slug);
                         internalId++;

CSharpGhostImporter/WPDto.cs

@@ -24,6 +24,7 @@ namespace wp2ghost
         [JsonPropertyName("excerpt")] public string? Excerpt { get; set; }
         [JsonPropertyName("featured_image")] public string? FeaturedImage { get; set; }
         [JsonPropertyName("categories")] public List<WpCategory>? Categories { get; set; } = new();
+        [JsonPropertyName("tags")] public List<WpCategory>? Tags { get; set; } = new();
         [JsonPropertyName("keywords")] public string? Keywords { get; set; }
         [JsonPropertyName("comments")] public List<WpComment>? Comments { get; set; } = new();
         [JsonPropertyName("media_files")] public List<string>? MediaFiles { get; set; } = new();

GhostImageManager/Components/App.razor

@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <base href="/" />
+    <ResourcePreloader />
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css">
+    <link rel="stylesheet" href="@Assets["app.css"]" />
+    <link rel="stylesheet" href="@Assets["GhostImageManager.styles.css"]" />
+    <ImportMap />
+    <HeadOutlet />
+</head>
+
+<body>
+    <Routes />
+    <ReconnectModal />
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL" crossorigin="anonymous"></script>
+    <script src="@Assets["_framework/blazor.web.js"]"></script>
+    <script>
+        window.downloadFileFromBase64 = (fileName, base64, contentType) => {
+            const link = document.createElement('a');
+            link.href = 'data:' + contentType + ';base64,' + base64;
+            link.download = fileName;
+            document.body.appendChild(link);
+            link.click();
+            document.body.removeChild(link);
+        };
+    </script>
+</body>
+
+</html>

GhostImageManager/Components/Layout/EmptyLayout.razor

@@ -0,0 +1,9 @@
+@inherits LayoutComponentBase
+
+@Body
+
+<div id="blazor-error-ui" data-nosnippet>
+    An unhandled error has occurred.
+    <a href="." class="reload">Reload</a>
+    <span class="dismiss">🗙</span>
+</div>

GhostImageManager/Components/Layout/MainLayout.razor

@@ -0,0 +1,23 @@
+@inherits LayoutComponentBase
+
+<div class="page">
+    <div class="sidebar">
+        <NavMenu />
+    </div>
+
+    <main>
+        <div class="top-row px-4">
+            <h3>Ghost Image Manager</h3>
+        </div>
+
+        <article class="content px-4">
+            @Body
+        </article>
+    </main>
+</div>
+
+<div id="blazor-error-ui" data-nosnippet>
+    An unhandled error has occurred.
+    <a href="." class="reload">Reload</a>
+    <span class="dismiss">🗙</span>
+</div>

GhostImageManager/Components/Layout/MainLayout.razor.css

@@ -0,0 +1,20 @@
+#blazor-error-ui {
+    color-scheme: light only;
+    background: lightyellow;
+    bottom: 0;
+    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
+    box-sizing: border-box;
+    display: none;
+    left: 0;
+    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
+    position: fixed;
+    width: 100%;
+    z-index: 1000;
+}
+
+    #blazor-error-ui .dismiss {
+        cursor: pointer;
+        position: absolute;
+        right: 0.75rem;
+        top: 0.5rem;
+    }

GhostImageManager/Components/Layout/NavMenu.razor

@@ -0,0 +1,45 @@
+<div class="top-row ps-3 navbar navbar-dark">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="">Ghost Image Manager</a>
+    </div>
+</div>
+
+<input type="checkbox" title="Navigation menu" class="navbar-toggler" />
+
+<div class="nav-scrollable" onclick="document.querySelector('.navbar-toggler').click()">
+    <nav class="flex-column">
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
+                <span class="bi bi-house-door-fill" aria-hidden="true"></span> Startseite
+            </NavLink>
+        </div>
+        <AuthorizeView>
+            <Authorized>
+                <div class="nav-item px-3">
+                    <NavLink class="nav-link" href="images">
+                        <span class="bi bi-images" aria-hidden="true"></span> Bilder
+                    </NavLink>
+                </div>
+                <div class="nav-item px-3">
+                    <NavLink class="nav-link" href="settings">
+                        <span class="bi bi-gear-fill" aria-hidden="true"></span> Einstellungen
+                    </NavLink>
+                </div>
+                <div class="nav-item px-3 mt-3">
+                    <form method="post" action="/auth/logout" class="d-inline">
+                        <button type="submit" class="nav-link btn btn-link text-start w-100">
+                            <span class="bi bi-box-arrow-right" aria-hidden="true"></span> Abmelden
+                        </button>
+                    </form>
+                </div>
+            </Authorized>
+            <NotAuthorized>
+                <div class="nav-item px-3">
+                    <NavLink class="nav-link" href="login">
+                        <span class="bi bi-box-arrow-in-right" aria-hidden="true"></span> Anmelden
+                    </NavLink>
+                </div>
+            </NotAuthorized>
+        </AuthorizeView>
+    </nav>
+</div>

GhostImageManager/Components/Layout/ReconnectModal.razor

@@ -0,0 +1,31 @@
+<script type="module" src="@Assets["Components/Layout/ReconnectModal.razor.js"]"></script>
+
+<dialog id="components-reconnect-modal" data-nosnippet>
+    <div class="components-reconnect-container">
+        <div class="components-rejoining-animation" aria-hidden="true">
+            <div></div>
+            <div></div>
+        </div>
+        <p class="components-reconnect-first-attempt-visible">
+            Rejoining the server...
+        </p>
+        <p class="components-reconnect-repeated-attempt-visible">
+            Rejoin failed... trying again in <span id="components-seconds-to-next-attempt"></span> seconds.
+        </p>
+        <p class="components-reconnect-failed-visible">
+            Failed to rejoin.<br />Please retry or reload the page.
+        </p>
+        <button id="components-reconnect-button" class="components-reconnect-failed-visible">
+            Retry
+        </button>
+        <p class="components-pause-visible">
+            The session has been paused by the server.
+        </p>
+        <p class="components-resume-failed-visible">
+            Failed to resume the session.<br />Please retry or reload the page.
+        </p>
+        <button id="components-resume-button" class="components-pause-visible components-resume-failed-visible">
+            Resume
+        </button>
+    </div>
+</dialog>

GhostImageManager/Components/Layout/ReconnectModal.razor.css

@@ -0,0 +1,157 @@
+.components-reconnect-first-attempt-visible,
+.components-reconnect-repeated-attempt-visible,
+.components-reconnect-failed-visible,
+.components-pause-visible,
+.components-resume-failed-visible,
+.components-rejoining-animation {
+    display: none;
+}
+
+#components-reconnect-modal.components-reconnect-show .components-reconnect-first-attempt-visible,
+#components-reconnect-modal.components-reconnect-show .components-rejoining-animation,
+#components-reconnect-modal.components-reconnect-paused .components-pause-visible,
+#components-reconnect-modal.components-reconnect-resume-failed .components-resume-failed-visible,
+#components-reconnect-modal.components-reconnect-retrying,
+#components-reconnect-modal.components-reconnect-retrying .components-reconnect-repeated-attempt-visible,
+#components-reconnect-modal.components-reconnect-retrying .components-rejoining-animation,
+#components-reconnect-modal.components-reconnect-failed,
+#components-reconnect-modal.components-reconnect-failed .components-reconnect-failed-visible {
+    display: block;
+}
+
+
+#components-reconnect-modal {
+    background-color: white;
+    width: 20rem;
+    margin: 20vh auto;
+    padding: 2rem;
+    border: 0;
+    border-radius: 0.5rem;
+    box-shadow: 0 3px 6px 2px rgba(0, 0, 0, 0.3);
+    opacity: 0;
+    transition: display 0.5s allow-discrete, overlay 0.5s allow-discrete;
+    animation: components-reconnect-modal-fadeOutOpacity 0.5s both;
+    &[open]
+
+{
+    animation: components-reconnect-modal-slideUp 1.5s cubic-bezier(.05, .89, .25, 1.02) 0.3s, components-reconnect-modal-fadeInOpacity 0.5s ease-in-out 0.3s;
+    animation-fill-mode: both;
+}
+
+}
+
+#components-reconnect-modal::backdrop {
+    background-color: rgba(0, 0, 0, 0.4);
+    animation: components-reconnect-modal-fadeInOpacity 0.5s ease-in-out;
+    opacity: 1;
+}
+
+@keyframes components-reconnect-modal-slideUp {
+    0% {
+        transform: translateY(30px) scale(0.95);
+    }
+
+    100% {
+        transform: translateY(0);
+    }
+}
+
+@keyframes components-reconnect-modal-fadeInOpacity {
+    0% {
+        opacity: 0;
+    }
+
+    100% {
+        opacity: 1;
+    }
+}
+
+@keyframes components-reconnect-modal-fadeOutOpacity {
+    0% {
+        opacity: 1;
+    }
+
+    100% {
+        opacity: 0;
+    }
+}
+
+.components-reconnect-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 1rem;
+}
+
+#components-reconnect-modal p {
+    margin: 0;
+    text-align: center;
+}
+
+#components-reconnect-modal button {
+    border: 0;
+    background-color: #6b9ed2;
+    color: white;
+    padding: 4px 24px;
+    border-radius: 4px;
+}
+
+    #components-reconnect-modal button:hover {
+        background-color: #3b6ea2;
+    }
+
+    #components-reconnect-modal button:active {
+        background-color: #6b9ed2;
+    }
+
+.components-rejoining-animation {
+    position: relative;
+    width: 80px;
+    height: 80px;
+}
+
+    .components-rejoining-animation div {
+        position: absolute;
+        border: 3px solid #0087ff;
+        opacity: 1;
+        border-radius: 50%;
+        animation: components-rejoining-animation 1.5s cubic-bezier(0, 0.2, 0.8, 1) infinite;
+    }
+
+        .components-rejoining-animation div:nth-child(2) {
+            animation-delay: -0.5s;
+        }
+
+@keyframes components-rejoining-animation {
+    0% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 0;
+    }
+
+    4.9% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 0;
+    }
+
+    5% {
+        top: 40px;
+        left: 40px;
+        width: 0;
+        height: 0;
+        opacity: 1;
+    }
+
+    100% {
+        top: 0px;
+        left: 0px;
+        width: 80px;
+        height: 80px;
+        opacity: 0;
+    }
+}

GhostImageManager/Components/Layout/ReconnectModal.razor.js

@@ -0,0 +1,63 @@
+// Set up event handlers
+const reconnectModal = document.getElementById("components-reconnect-modal");
+reconnectModal.addEventListener("components-reconnect-state-changed", handleReconnectStateChanged);
+
+const retryButton = document.getElementById("components-reconnect-button");
+retryButton.addEventListener("click", retry);
+
+const resumeButton = document.getElementById("components-resume-button");
+resumeButton.addEventListener("click", resume);
+
+function handleReconnectStateChanged(event) {
+    if (event.detail.state === "show") {
+        reconnectModal.showModal();
+    } else if (event.detail.state === "hide") {
+        reconnectModal.close();
+    } else if (event.detail.state === "failed") {
+        document.addEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+    } else if (event.detail.state === "rejected") {
+        location.reload();
+    }
+}
+
+async function retry() {
+    document.removeEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+
+    try {
+        // Reconnect will asynchronously return:
+        // - true to mean success
+        // - false to mean we reached the server, but it rejected the connection (e.g., unknown circuit ID)
+        // - exception to mean we didn't reach the server (this can be sync or async)
+        const successful = await Blazor.reconnect();
+        if (!successful) {
+            // We have been able to reach the server, but the circuit is no longer available.
+            // We'll reload the page so the user can continue using the app as quickly as possible.
+            const resumeSuccessful = await Blazor.resumeCircuit();
+            if (!resumeSuccessful) {
+                location.reload();
+            } else {
+                reconnectModal.close();
+            }
+        }
+    } catch (err) {
+        // We got an exception, server is currently unavailable
+        document.addEventListener("visibilitychange", retryWhenDocumentBecomesVisible);
+    }
+}
+
+async function resume() {
+    try {
+        const successful = await Blazor.resumeCircuit();
+        if (!successful) {
+            location.reload();
+        }
+    } catch {
+        reconnectModal.classList.replace("components-reconnect-paused", "components-reconnect-resume-failed");
+    }
+}
+
+async function retryWhenDocumentBecomesVisible() {
+    if (document.visibilityState === "visible") {
+        await retry();
+    }
+}

GhostImageManager/Components/Pages/AccessDenied.razor

@@ -0,0 +1,9 @@
+@page "/access-denied"
+
+<PageTitle>Zugriff verweigert</PageTitle>
+
+<div class="alert alert-danger mt-5">
+    <h4>Zugriff verweigert</h4>
+    <p>Du hast nicht die Berechtigung, auf diese Seite zuzugreifen.</p>
+    <a href="/login" class="btn btn-primary">Zur Anmeldung</a>
+</div>

GhostImageManager/Components/Pages/Error.razor

@@ -0,0 +1,36 @@
+@page "/Error"
+@using System.Diagnostics
+
+<PageTitle>Error</PageTitle>
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>
+
+@code{
+    [CascadingParameter]
+    private HttpContext? HttpContext { get; set; }
+
+    private string? RequestId { get; set; }
+    private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+    protected override void OnInitialized() =>
+        RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
+}

GhostImageManager/Components/Pages/Home.razor

@@ -0,0 +1,55 @@
+@page "/"
+@attribute [Authorize]
+@inject GhostConfigService ConfigService
+
+<PageTitle>Startseite</PageTitle>
+
+<div class="jumbotron bg-light p-5 rounded">
+    <h1 class="display-4">Ghost Image Manager</h1>
+    <p class="lead">
+        Verwalte Bilder deiner Ghost-Instanzen direkt vom Server aus.
+    </p>
+    <hr class="my-4" />
+    <p>
+        Funktionen: Bilder auflisten, nach Posts suchen, verwaiste Bilder finden und Bilder austauschen.
+    </p>
+    <a class="btn btn-primary btn-lg" href="images" role="button">Zu den Bildern</a>
+    <a class="btn btn-outline-secondary btn-lg" href="settings" role="button">Einstellungen</a>
+</div>
+
+@if (_config.Instances.Count == 0)
+{
+    <div class="alert alert-warning mt-4">
+        <strong>Hinweis:</strong> Es ist noch keine Ghost-Instanz konfiguriert.
+        Bitte hinterlege unter <a href="settings">Einstellungen</a> deine Ghost-URL, den Admin API Key und den lokalen Image-Ordner.
+    </div>
+}
+else
+{
+    <div class="row mt-4">
+        @foreach (var instance in _config.Instances)
+        {
+            <div class="col-md-4">
+                <div class="card">
+                    <div class="card-body">
+                        <h5 class="card-title">@instance.Name</h5>
+                        <p class="card-text">
+                            <strong>URL:</strong> @instance.Url<br />
+                            <strong>Image-Ordner:</strong> <span class="text-truncate d-block" title="@instance.ImageFolderPath">@instance.ImageFolderPath</span>
+                        </p>
+                        <a href="images" class="btn btn-primary">Bilder anzeigen</a>
+                    </div>
+                </div>
+            </div>
+        }
+    </div>
+}
+
+@code {
+    private GhostConfig _config = new();
+
+    protected override void OnInitialized()
+    {
+        _config = ConfigService.Load();
+    }
+}

GhostImageManager/Components/Pages/Images.razor

@@ -0,0 +1,625 @@
+@page "/images"
+@attribute [Authorize]
+@rendermode InteractiveServer
+@inject GhostConfigService ConfigService
+@inject ImageAnalyzerService ImageAnalyzer
+@inject ImageReplacementService ReplacementService
+@inject ImageDeletionService DeletionService
+@inject ImageExportService ExportService
+@inject IJSRuntime JsRuntime
+@inject ILogger<Images> Logger
+
+<PageTitle>Ghost Bilder</PageTitle>
+
+<h1>Ghost Bilderverwaltung</h1>
+
+@if (_instances.Count == 0)
+{
+    <div class="alert alert-warning">
+        Keine Ghost-Instanzen konfiguriert. Bitte zuerst unter <a href="settings">Einstellungen</a> eine Instanz anlegen.
+    </div>
+}
+else
+{
+    <div class="row mb-3">
+        <div class="col-md-3">
+            <label class="form-label">Ghost-Instanz</label>
+            <select class="form-select" @bind="_selectedInstanceId" @bind:after="OnInstanceChanged">
+                @foreach (var instance in _instances)
+                {
+                    <option value="@instance.Id">@instance.Name</option>
+                }
+            </select>
+        </div>
+        <div class="col-md-3">
+            <label class="form-label">Suche nach Post</label>
+            <div class="input-group">
+                <input type="text" class="form-control" @bind="_searchTerm" @bind:event="oninput" placeholder="Post-Titel..." />
+                <button class="btn btn-outline-secondary" @onclick="LoadImages" disabled="@_isLoading">Suchen</button>
+            </div>
+        </div>
+        <div class="col-md-6 d-flex align-items-end">
+            <button class="btn btn-primary me-2" @onclick="LoadImages" disabled="@_isLoading">
+                @if (_isLoading)
+                {
+                    <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
+                    <span>Lade...</span>
+                }
+                else
+                {
+                    <span>Alle Bilder laden</span>
+                }
+            </button>
+
+            @if (FilteredImages.Any())
+            {
+                <div class="btn-group me-2">
+                    <button class="btn btn-outline-success dropdown-toggle" data-bs-toggle="dropdown">
+                        Exportieren
+                    </button>
+                    <ul class="dropdown-menu">
+                        <li><button class="dropdown-item" @onclick="ExportCsv">CSV exportieren</button></li>
+                        <li><button class="dropdown-item" @onclick="ExportTxt">TXT exportieren</button></li>
+                        <li><button class="dropdown-item" @onclick="ExportSelectedZip">Ausgewählte als ZIP</button></li>
+                    </ul>
+                </div>
+
+                @if (SelectedOrphanedImages.Any())
+                {
+                    <button class="btn btn-danger me-2" @onclick="DeleteSelectedOrphaned">
+                        Auswahl löschen (@SelectedOrphanedImages.Count)
+                    </button>
+                }
+            }
+        </div>
+    </div>
+
+    @if (!string.IsNullOrEmpty(_errorMessage))
+    {
+        <div class="alert alert-danger">@_errorMessage</div>
+    }
+
+    @if (!string.IsNullOrEmpty(_successMessage))
+    {
+        <div class="alert alert-success">@_successMessage</div>
+    }
+
+    @if (_allImages.Count > 0)
+    {
+        <div class="row mb-3 align-items-center">
+            <div class="col">
+                <div class="btn-group" role="group">
+                    <button class="btn btn-outline-secondary @GetFilterClass(ImageFilter.All)" @onclick="() => SetFilter(ImageFilter.All)">Alle (@_allImages.Count)</button>
+                    <button class="btn btn-outline-secondary @GetFilterClass(ImageFilter.Feature)" @onclick="() => SetFilter(ImageFilter.Feature)">Feature (@_featureCount)</button>
+                    <button class="btn btn-outline-secondary @GetFilterClass(ImageFilter.Content)" @onclick="() => SetFilter(ImageFilter.Content)">Content (@_contentCount)</button>
+                    <button class="btn btn-outline-danger @GetFilterClass(ImageFilter.Orphaned)" @onclick="() => SetFilter(ImageFilter.Orphaned)">Verwaist (@_orphanedCount)</button>
+                </div>
+            </div>
+            <div class="col-auto">
+                <div class="form-check">
+                    <input class="form-check-input" type="checkbox" id="selectAllOrphaned" @onchange="ToggleSelectAllOrphaned" checked="@_selectAllOrphaned" />
+                    <label class="form-check-label" for="selectAllOrphaned">Alle verwaisten auswählen</label>
+                </div>
+            </div>
+        </div>
+
+        <div class="row row-cols-1 row-cols-md-2 row-cols-lg-3 g-4">
+            @foreach (var image in FilteredImages)
+            {
+                <div class="col">
+                    <div class="card h-100 @GetCardClass(image)">
+                        @if (image.IsOrphaned)
+                        {
+                            <div class="card-header py-1">
+                                <div class="form-check">
+                                    <input class="form-check-input" type="checkbox" checked="@_selectedImageUrls.Contains(image.Url)" @onchange="e => ToggleSelection(image, e)" id="chk-@image.GetHashCode()" />
+                                    <label class="form-check-label small" for="chk-@image.GetHashCode()">Auswählen</label>
+                                </div>
+                            </div>
+                        }
+                        <div class="card-img-top bg-light d-flex align-items-center justify-content-center" style="height: 200px;">
+                            <img src="@image.Url" alt="@image.FileName" class="img-fluid" style="max-height: 100%; max-width: 100%; object-fit: contain;" loading="lazy" />
+                        </div>
+                        <div class="card-body">
+                            <h5 class="card-title text-truncate" title="@image.FileName">@image.FileName</h5>
+                            <p class="card-text small text-muted">
+                                <strong>Pfad:</strong> <span class="text-truncate d-block" title="@image.RelativePath">@image.RelativePath</span>
+                                <strong>Größe:</strong> @image.FormattedFileSize<br />
+                                <strong>Dimensionen:</strong> @image.Dimensions<br />
+                                <strong>Datum:</strong> @image.LastModified.ToString("dd.MM.yyyy HH:mm")
+                            </p>
+
+                            @if (image.IsOrphaned)
+                            {
+                                <div class="alert alert-warning py-1 px-2 mb-2 small">
+                                    ⚠️ Verwaist (nicht in Posts verwendet)
+                                </div>
+                            }
+                            else
+                            {
+                                <div class="mb-2">
+                                    <small class="text-muted">Verwendet in:</small>
+                                    <ul class="list-unstyled small mb-0">
+                                        @foreach (var post in image.UsedInPosts.Take(3))
+                                        {
+                                            <li>
+                                                <span class="badge @(post.IsFeatureImage ? "bg-primary" : "bg-secondary") me-1">
+                                                    @(post.IsFeatureImage ? "Feature" : "Content")
+                                                </span>
+                                                <span title="@post.Title">@post.Title</span>
+                                            </li>
+                                        }
+                                        @if (image.UsedInPosts.Count > 3)
+                                        {
+                                            <li class="text-muted">... und @(image.UsedInPosts.Count - 3) weitere</li>
+                                        }
+                                    </ul>
+                                </div>
+                            }
+
+                            <div class="d-flex gap-2">
+                                <button class="btn btn-sm btn-outline-primary" @onclick="() => ShowReplaceDialog(image)">
+                                    Tauschen
+                                </button>
+                                @if (image.IsOrphaned)
+                                {
+                                    <button class="btn btn-sm btn-outline-danger" @onclick="() => ShowDeleteDialog(image)">
+                                        Löschen
+                                    </button>
+                                }
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            }
+        </div>
+    }
+    else if (!_isLoading && _hasLoaded)
+    {
+        <div class="alert alert-info">Keine Bilder gefunden.</div>
+    }
+}
+
+@if (_showReplaceDialog && _selectedImage != null)
+{
+    <div class="modal show d-block" tabindex="-1" style="background-color: rgba(0,0,0,0.5);">
+        <div class="modal-dialog modal-lg">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title">Bild tauschen: @_selectedImage.FileName</h5>
+                    <button type="button" class="btn-close" @onclick="CloseReplaceDialog"></button>
+                </div>
+                <div class="modal-body">
+                    <div class="row">
+                        <div class="col-md-6">
+                            <h6>Aktuelles Bild</h6>
+                            <img src="@_selectedImage.Url" class="img-fluid border" alt="Aktuell" />
+                            <p class="small text-muted mt-2">
+                                @_selectedImage.FormattedFileSize | @_selectedImage.Dimensions
+                            </p>
+                        </div>
+                        <div class="col-md-6">
+                            <h6>Neues Bild</h6>
+                            <InputFile OnChange="LoadNewImage" class="form-control" accept="image/*" />
+                            @if (_newImagePreview != null)
+                            {
+                                <img src="@_newImagePreview" class="img-fluid border mt-2" alt="Vorschau" />
+                            }
+                        </div>
+                    </div>
+
+                    @if (!string.IsNullOrEmpty(_replaceError))
+                    {
+                        <div class="alert alert-danger mt-3">@_replaceError</div>
+                    }
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" @onclick="CloseReplaceDialog">Abbrechen</button>
+                    <button type="button" class="btn btn-primary" @onclick="ReplaceImage" disabled="@(_newImageFile == null || _isReplacing)">
+                        @if (_isReplacing)
+                        {
+                            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
+                            <span>Tausche...</span>
+                        }
+                        else
+                        {
+                            <span>Hochladen & Ersetzen</span>
+                        }
+                    </button>
+                </div>
+            </div>
+        </div>
+    </div>
+}
+
+@if (_showDeleteDialog && _selectedImage != null)
+{
+    <div class="modal show d-block" tabindex="-1" style="background-color: rgba(0,0,0,0.5);">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title">Bild löschen</h5>
+                    <button type="button" class="btn-close" @onclick="CloseDeleteDialog"></button>
+                </div>
+                <div class="modal-body">
+                    <p>Möchtest du wirklich <strong>@_selectedImage.FileName</strong> löschen?</p>
+                    <div class="alert alert-warning">
+                        ⚠️ Dieses Bild ist verwaist und wird in keinem Post verwendet.
+                    </div>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" @onclick="CloseDeleteDialog">Abbrechen</button>
+                    <button type="button" class="btn btn-danger" @onclick="DeleteImage">
+                        Löschen
+                    </button>
+                </div>
+            </div>
+        </div>
+    </div>
+}
+
+@if (_showBulkDeleteDialog)
+{
+    <div class="modal show d-block" tabindex="-1" style="background-color: rgba(0,0,0,0.5);">
+        <div class="modal-dialog">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h5 class="modal-title">Ausgewählte Bilder löschen</h5>
+                    <button type="button" class="btn-close" @onclick="CloseBulkDeleteDialog"></button>
+                </div>
+                <div class="modal-body">
+                    <p>Möchtest du wirklich <strong>@SelectedOrphanedImages.Count</strong> verwaiste Bilder löschen?</p>
+                    <ul class="list-group small">
+                        @foreach (var img in SelectedOrphanedImages.Take(10))
+                        {
+                            <li class="list-group-item">@img.FileName</li>
+                        }
+                        @if (SelectedOrphanedImages.Count > 10)
+                        {
+                            <li class="list-group-item text-muted">... und @(SelectedOrphanedImages.Count - 10) weitere</li>
+                        }
+                    </ul>
+                </div>
+                <div class="modal-footer">
+                    <button type="button" class="btn btn-secondary" @onclick="CloseBulkDeleteDialog">Abbrechen</button>
+                    <button type="button" class="btn btn-danger" @onclick="DeleteSelectedOrphanedConfirmed" disabled="@_isDeleting">
+                        @if (_isDeleting)
+                        {
+                            <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
+                            <span>Lösche...</span>
+                        }
+                        else
+                        {
+                            <span>Alle löschen</span>
+                        }
+                    </button>
+                </div>
+            </div>
+        </div>
+    </div>
+}
+
+@code {
+    private List<GhostInstance> _instances = new();
+    private string _selectedInstanceId = "";
+    private string _searchTerm = "";
+    private List<GhostImage> _allImages = new();
+    private bool _isLoading;
+    private bool _hasLoaded;
+    private string? _errorMessage;
+    private string? _successMessage;
+
+    private ImageFilter _currentFilter = ImageFilter.All;
+    private int _orphanedCount;
+    private int _featureCount;
+    private int _contentCount;
+
+    private GhostImage? _selectedImage;
+    private bool _showReplaceDialog;
+    private bool _showDeleteDialog;
+    private bool _showBulkDeleteDialog;
+    private IBrowserFile? _newImageFile;
+    private string? _newImagePreview;
+    private string? _replaceError;
+    private bool _isReplacing;
+    private bool _isDeleting;
+
+    private HashSet<string> _selectedImageUrls = new();
+    private bool _selectAllOrphaned;
+
+    protected override void OnInitialized()
+    {
+        var config = ConfigService.Load();
+        _instances = config.Instances;
+        _selectedInstanceId = _instances.FirstOrDefault()?.Id ?? "";
+    }
+
+    private async Task OnInstanceChanged()
+    {
+        _allImages.Clear();
+        _hasLoaded = false;
+        _selectedImageUrls.Clear();
+        await LoadImages();
+    }
+
+    private async Task LoadImages()
+    {
+        if (string.IsNullOrEmpty(_selectedInstanceId))
+            return;
+
+        _isLoading = true;
+        _errorMessage = null;
+        _successMessage = null;
+        StateHasChanged();
+
+        try
+        {
+            var instance = _instances.First(i => i.Id == _selectedInstanceId);
+            var filter = string.IsNullOrWhiteSpace(_searchTerm) ? "" : $"title:~'{EscapeFilter(_searchTerm)}'";
+            _allImages = await ImageAnalyzer.AnalyzeImagesAsync(instance, filter);
+            CalculateCounts();
+            _hasLoaded = true;
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError(ex, "Fehler beim Laden der Bilder");
+            _errorMessage = $"Fehler: {ex.Message}";
+        }
+        finally
+        {
+            _isLoading = false;
+            StateHasChanged();
+        }
+    }
+
+    private void CalculateCounts()
+    {
+        _orphanedCount = _allImages.Count(i => i.IsOrphaned);
+        _featureCount = _allImages.Count(i => i.UsedInPosts.Any(r => r.IsFeatureImage));
+        _contentCount = _allImages.Count(i => i.UsedInPosts.Any(r => r.IsInContent));
+    }
+
+    private List<GhostImage> FilteredImages => _currentFilter switch
+    {
+        ImageFilter.Orphaned => _allImages.Where(i => i.IsOrphaned).ToList(),
+        ImageFilter.Feature => _allImages.Where(i => i.UsedInPosts.Any(r => r.IsFeatureImage)).ToList(),
+        ImageFilter.Content => _allImages.Where(i => i.UsedInPosts.Any(r => r.IsInContent)).ToList(),
+        _ => _allImages
+    };
+
+    private List<GhostImage> SelectedOrphanedImages => _allImages.Where(i => _selectedImageUrls.Contains(i.Url) && i.IsOrphaned).ToList();
+
+    private void SetFilter(ImageFilter filter)
+    {
+        _currentFilter = filter;
+    }
+
+    private string GetFilterClass(ImageFilter filter) => _currentFilter == filter ? "active" : "";
+
+    private string GetCardClass(GhostImage image) => image.IsOrphaned ? "border-danger" : "";
+
+    private void ToggleSelection(GhostImage image, ChangeEventArgs e)
+    {
+        var isSelected = e.Value is bool b && b;
+        if (isSelected)
+            _selectedImageUrls.Add(image.Url);
+        else
+            _selectedImageUrls.Remove(image.Url);
+
+        _selectAllOrphaned = false;
+        StateHasChanged();
+    }
+
+    private void ToggleSelectAllOrphaned(ChangeEventArgs e)
+    {
+        _selectAllOrphaned = e.Value is bool b && b;
+        if (_selectAllOrphaned)
+        {
+            foreach (var image in _allImages.Where(i => i.IsOrphaned))
+                _selectedImageUrls.Add(image.Url);
+        }
+        else
+        {
+            foreach (var image in _allImages.Where(i => i.IsOrphaned))
+                _selectedImageUrls.Remove(image.Url);
+        }
+        StateHasChanged();
+    }
+
+    private void ShowReplaceDialog(GhostImage image)
+    {
+        _selectedImage = image;
+        _showReplaceDialog = true;
+        _newImageFile = null;
+        _newImagePreview = null;
+        _replaceError = null;
+    }
+
+    private void CloseReplaceDialog()
+    {
+        _showReplaceDialog = false;
+        _selectedImage = null;
+        _newImageFile = null;
+        _newImagePreview = null;
+        _replaceError = null;
+    }
+
+    private void ShowDeleteDialog(GhostImage image)
+    {
+        _selectedImage = image;
+        _showDeleteDialog = true;
+    }
+
+    private void CloseDeleteDialog()
+    {
+        _showDeleteDialog = false;
+        _selectedImage = null;
+    }
+
+    private void ShowBulkDeleteDialog()
+    {
+        _showBulkDeleteDialog = true;
+    }
+
+    private void CloseBulkDeleteDialog()
+    {
+        _showBulkDeleteDialog = false;
+    }
+
+    private void DeleteSelectedOrphaned()
+    {
+        if (SelectedOrphanedImages.Any())
+            ShowBulkDeleteDialog();
+    }
+
+    private async Task DeleteSelectedOrphanedConfirmed()
+    {
+        _isDeleting = true;
+        StateHasChanged();
+
+        try
+        {
+            var result = await DeletionService.DeleteImagesAsync(SelectedOrphanedImages);
+            _selectedImageUrls.Clear();
+            _selectAllOrphaned = false;
+            _successMessage = $"{result.Success} Bilder gelöscht, {result.Failed} fehlgeschlagen.";
+            await LoadImages();
+        }
+        catch (Exception ex)
+        {
+            _errorMessage = $"Fehler beim Löschen: {ex.Message}";
+        }
+        finally
+        {
+            _isDeleting = false;
+            _showBulkDeleteDialog = false;
+            StateHasChanged();
+        }
+    }
+
+    private async Task DeleteImage()
+    {
+        if (_selectedImage == null) return;
+
+        try
+        {
+            var success = await DeletionService.DeleteImageAsync(_selectedImage);
+            if (success)
+            {
+                _selectedImageUrls.Remove(_selectedImage.Url);
+                _successMessage = $"{_selectedImage.FileName} gelöscht.";
+                CloseDeleteDialog();
+                await LoadImages();
+            }
+            else
+            {
+                _errorMessage = "Bild konnte nicht gelöscht werden.";
+            }
+        }
+        catch (Exception ex)
+        {
+            _errorMessage = $"Fehler beim Löschen: {ex.Message}";
+        }
+    }
+
+    private async Task LoadNewImage(InputFileChangeEventArgs e)
+    {
+        _newImageFile = e.File;
+        _replaceError = null;
+
+        try
+        {
+            using var stream = _newImageFile.OpenReadStream(maxAllowedSize: 104857600);
+            using var ms = new MemoryStream();
+            await stream.CopyToAsync(ms);
+            var bytes = ms.ToArray();
+            _newImagePreview = $"data:{_newImageFile.ContentType};base64,{Convert.ToBase64String(bytes)}";
+        }
+        catch (Exception ex)
+        {
+            _replaceError = $"Fehler beim Lesen der Datei: {ex.Message}";
+        }
+
+        StateHasChanged();
+    }
+
+    private async Task ReplaceImage()
+    {
+        if (_selectedImage == null || _newImageFile == null)
+            return;
+
+        _isReplacing = true;
+        _replaceError = null;
+        StateHasChanged();
+
+        try
+        {
+            using var stream = _newImageFile.OpenReadStream(maxAllowedSize: 104857600);
+            var success = await ReplacementService.ReplaceImageAsync(_selectedImage, stream, _newImageFile.Name);
+
+            if (success)
+            {
+                await LoadImages();
+                CloseReplaceDialog();
+            }
+            else
+            {
+                _replaceError = "Bild konnte nicht ersetzt werden.";
+            }
+        }
+        catch (Exception ex)
+        {
+            Logger.LogError(ex, "Fehler beim Tauschen des Bildes");
+            _replaceError = $"Fehler: {ex.Message}";
+        }
+        finally
+        {
+            _isReplacing = false;
+            StateHasChanged();
+        }
+    }
+
+    private async Task ExportCsv()
+    {
+        var data = ExportService.ExportToCsv(FilteredImages);
+        await DownloadFileAsync($"ghost-images-{DateTime.Now:yyyyMMdd-HHmm}.csv", data, "text/csv");
+    }
+
+    private async Task ExportTxt()
+    {
+        var data = ExportService.ExportToTxt(FilteredImages);
+        await DownloadFileAsync($"ghost-images-{DateTime.Now:yyyyMMdd-HHmm}.txt", data, "text/plain");
+    }
+
+    private async Task ExportSelectedZip()
+    {
+        var selectedImages = _allImages.Where(i => _selectedImageUrls.Contains(i.Url)).ToList();
+        if (!selectedImages.Any())
+        {
+            _errorMessage = "Keine Bilder ausgewählt.";
+            return;
+        }
+
+        var data = await ExportService.ExportToZipAsync(selectedImages);
+        await DownloadFileAsync($"ghost-images-{DateTime.Now:yyyyMMdd-HHmm}.zip", data, "application/zip");
+    }
+
+    private async Task DownloadFileAsync(string fileName, byte[] data, string contentType)
+    {
+        var base64 = Convert.ToBase64String(data);
+        await JsRuntime.InvokeVoidAsync("downloadFileFromBase64", fileName, base64, contentType);
+    }
+
+    private static string EscapeFilter(string term)
+    {
+        return term.Replace("'", "\\'");
+    }
+
+    private enum ImageFilter
+    {
+        All,
+        Feature,
+        Content,
+        Orphaned
+    }
+}

GhostImageManager/Components/Pages/Login.razor

@@ -0,0 +1,59 @@
+@page "/login"
+@layout Layout.EmptyLayout
+@inject IWebHostEnvironment Env
+
+<PageTitle>Anmelden</PageTitle>
+
+<div class="login-container">
+    <!-- Hintergrundbild -->
+    @if (_imageExists)
+    {
+        <img src="/start-image/start.jpg" alt="Startbild" class="login-background" />
+    }
+    else
+    {
+        <div class="login-background login-background-placeholder">
+            <div class="text-center text-white">
+                <i class="bi bi-image display-1"></i>
+                <p class="mt-3">Bitte lege eine Datei namens <code>start.jpg</code> im Root-Verzeichnis der App ab.</p>
+            </div>
+        </div>
+    }
+
+    <!-- Login-Formular unten mittig -->
+    <div class="login-form-wrapper">
+        <div class="login-form-card">
+            <h4 class="mb-3 text-white">Ghost Image Manager</h4>
+            <form method="post" action="/auth/login">
+                <div class="mb-3">
+                    <label class="form-label text-white">Passwort</label>
+                    <input type="password" name="password" class="form-control" placeholder="Passwort eingeben" required />
+                </div>
+
+                @if (!string.IsNullOrEmpty(ErrorMessage))
+                {
+                    <div class="alert alert-danger">@ErrorMessage</div>
+                }
+
+                <input type="hidden" name="returnUrl" value="@ReturnUrl" />
+                <button type="submit" class="btn btn-primary w-100">Anmelden</button>
+            </form>
+        </div>
+    </div>
+</div>
+
+@code {
+    [SupplyParameterFromQuery]
+    public string? ReturnUrl { get; set; }
+
+    [SupplyParameterFromQuery]
+    public string? ErrorMessage { get; set; }
+
+    private bool _imageExists;
+
+    protected override void OnInitialized()
+    {
+        var imagePath = Path.Combine(Env.ContentRootPath, "start.jpg");
+        _imageExists = File.Exists(imagePath);
+    }
+}

GhostImageManager/Components/Pages/Logout.razor

@@ -0,0 +1,10 @@
+@page "/logout"
+
+<PageTitle>Abmelden</PageTitle>
+
+<div class="text-center mt-5">
+    <h3>Abmelden</h3>
+    <form method="post" action="/auth/logout">
+        <button type="submit" class="btn btn-primary">Jetzt abmelden</button>
+    </form>
+</div>

GhostImageManager/Components/Pages/NotFound.razor

@@ -0,0 +1,5 @@
+@page "/not-found"
+@layout MainLayout
+
+<h3>Not Found</h3>
+<p>Sorry, the content you are looking for does not exist.</p>

GhostImageManager/Components/Pages/Settings.razor

@@ -0,0 +1,192 @@
+@page "/settings"
+@attribute [Authorize]
+@rendermode InteractiveServer
+@inject GhostConfigService ConfigService
+
+<PageTitle>Einstellungen</PageTitle>
+
+<h1>Ghost-Instanzen verwalten</h1>
+
+<div class="row">
+    <div class="col-md-8">
+        <div class="card">
+            <div class="card-header">
+                <h5 class="mb-0">Konfigurierte Instanzen</h5>
+            </div>
+            <div class="card-body">
+                @if (_config.Instances.Count == 0)
+                {
+                    <div class="alert alert-info">Keine Instanzen konfiguriert.</div>
+                }
+                else
+                {
+                    <table class="table table-striped">
+                        <thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>URL</th>
+                                <th>Bilderverzeichnis</th>
+                                <th class="text-end">Aktionen</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            @foreach (var instance in _config.Instances)
+                            {
+                                <tr>
+                                    <td>@instance.Name</td>
+                                    <td>@instance.Url</td>
+                                    <td class="text-truncate" style="max-width: 300px;" title="@instance.ImageFolderPath">@instance.ImageFolderPath</td>
+                                    <td class="text-end">
+                                        <button class="btn btn-sm btn-outline-primary me-1" @onclick="() => EditInstance(instance)">Bearbeiten</button>
+                                        <button class="btn btn-sm btn-outline-danger" @onclick="() => DeleteInstance(instance)">Löschen</button>
+                                    </td>
+                                </tr>
+                            }
+                        </tbody>
+                    </table>
+                }
+            </div>
+        </div>
+    </div>
+
+    <div class="col-md-4">
+        <div class="card">
+            <div class="card-header">
+                <h5 class="mb-0">@(_editingInstance.Id == null || _isNew ? "Neue Instanz" : "Instanz bearbeiten")</h5>
+            </div>
+            <div class="card-body">
+                <EditForm Model="_editingInstance" OnValidSubmit="SaveInstance">
+                    <DataAnnotationsValidator />
+                    <ValidationSummary />
+
+                    <div class="mb-3">
+                        <label class="form-label">Name</label>
+                        <InputText @bind-Value="_editingInstance.Name" class="form-control" placeholder="z.B. Produktion" />
+                    </div>
+
+                    <div class="mb-3">
+                        <label class="form-label">Ghost URL</label>
+                        <InputText @bind-Value="_editingInstance.Url" class="form-control" placeholder="https://mein-blog.de" />
+                    </div>
+
+                    <div class="mb-3">
+                        <label class="form-label">Admin API Key</label>
+                        <InputText @bind-Value="_editingInstance.AdminApiKey" class="form-control" type="password" placeholder="id:secret" />
+                        <div class="form-text">Format: {id}:{secret} aus den Ghost-Integrationen</div>
+                    </div>
+
+                    <div class="mb-3">
+                        <label class="form-label">Content API Key (optional)</label>
+                        <InputText @bind-Value="_editingInstance.ContentApiKey" class="form-control" placeholder="Optional" />
+                    </div>
+
+                    <div class="mb-3">
+                        <label class="form-label">Lokaler Image-Ordner</label>
+                        <InputText @bind-Value="_editingInstance.ImageFolderPath" class="form-control" placeholder="C:\\Ghost\\content\\images" />
+                        <div class="form-text">Vollständiger Pfad zum Ghost content/images Ordner</div>
+                    </div>
+
+                    <div class="d-flex justify-content-between">
+                        <button type="button" class="btn btn-secondary" @onclick="ResetForm">Zurücksetzen</button>
+                        <button type="submit" class="btn btn-primary">Speichern</button>
+                    </div>
+                </EditForm>
+
+                @if (!string.IsNullOrEmpty(_message))
+                {
+                    <div class="alert alert-success mt-3">@_message</div>
+                }
+            </div>
+        </div>
+    </div>
+</div>
+
+@code {
+    private GhostConfig _config = new();
+    private GhostInstanceForm _editingInstance = new();
+    private bool _isNew = true;
+    private string? _message;
+
+    protected override void OnInitialized()
+    {
+        LoadConfig();
+    }
+
+    private void LoadConfig()
+    {
+        _config = ConfigService.Load();
+    }
+
+    private void EditInstance(GhostInstance instance)
+    {
+        _editingInstance = new GhostInstanceForm
+        {
+            Id = instance.Id,
+            Name = instance.Name,
+            Url = instance.Url,
+            AdminApiKey = instance.AdminApiKey,
+            ContentApiKey = instance.ContentApiKey,
+            ImageFolderPath = instance.ImageFolderPath
+        };
+        _isNew = false;
+        _message = null;
+    }
+
+    private void DeleteInstance(GhostInstance instance)
+    {
+        _config.Instances.Remove(instance);
+        ConfigService.Save(_config);
+        LoadConfig();
+        ResetForm();
+    }
+
+    private void SaveInstance()
+    {
+        if (_isNew)
+        {
+            _config.Instances.Add(new GhostInstance
+            {
+                Id = Guid.NewGuid().ToString("N")[..8],
+                Name = _editingInstance.Name,
+                Url = _editingInstance.Url.TrimEnd('/'),
+                AdminApiKey = _editingInstance.AdminApiKey,
+                ContentApiKey = _editingInstance.ContentApiKey,
+                ImageFolderPath = _editingInstance.ImageFolderPath
+            });
+        }
+        else
+        {
+            var existing = _config.Instances.FirstOrDefault(i => i.Id == _editingInstance.Id);
+            if (existing != null)
+            {
+                existing.Name = _editingInstance.Name;
+                existing.Url = _editingInstance.Url.TrimEnd('/');
+                existing.AdminApiKey = _editingInstance.AdminApiKey;
+                existing.ContentApiKey = _editingInstance.ContentApiKey;
+                existing.ImageFolderPath = _editingInstance.ImageFolderPath;
+            }
+        }
+
+        ConfigService.Save(_config);
+        LoadConfig();
+        ResetForm();
+        _message = "Instanz gespeichert.";
+    }
+
+    private void ResetForm()
+    {
+        _editingInstance = new GhostInstanceForm();
+        _isNew = true;
+        _message = null;
+    }
+
+    private class GhostInstanceForm
+    {
+        public string? Id { get; set; }
+        public string Name { get; set; } = "";
+        public string Url { get; set; } = "";
+        public string AdminApiKey { get; set; } = "";
+        public string ContentApiKey { get; set; } = "";
+        public string ImageFolderPath { get; set; } = "";
+    }
+}

GhostImageManager/Components/Routes.razor

@@ -0,0 +1,6 @@
+<Router AppAssembly="typeof(Program).Assembly" NotFoundPage="typeof(Pages.NotFound)">
+    <Found Context="routeData">
+        <RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)" />
+        <FocusOnNavigate RouteData="routeData" Selector="h1" />
+    </Found>
+</Router>

GhostImageManager/Components/_Imports.razor

@@ -0,0 +1,15 @@
+@using System.Net.Http
+@using System.Net.Http.Json
+@using Microsoft.AspNetCore.Authorization
+@using Microsoft.AspNetCore.Components.Authorization
+@using Microsoft.AspNetCore.Components.Forms
+@using Microsoft.AspNetCore.Components.Routing
+@using Microsoft.AspNetCore.Components.Web
+@using static Microsoft.AspNetCore.Components.Web.RenderMode
+@using Microsoft.AspNetCore.Components.Web.Virtualization
+@using Microsoft.JSInterop
+@using GhostImageManager
+@using GhostImageManager.Components
+@using GhostImageManager.Components.Layout
+@using GhostImageManager.Models
+@using GhostImageManager.Services

GhostImageManager/GhostImageManager.csproj

@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <BlazorDisableThrowNavigationException>true</BlazorDisableThrowNavigationException>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="HtmlAgilityPack" Version="1.11.66" />
+    <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Update="wwwroot\favicon.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="logo.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="start.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

GhostImageManager/GhostImageManager.csproj.user

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ActiveDebugProfile>https</ActiveDebugProfile>
+    <NameOfLastUsedPublishProfile>E:\Wp2Ghost\GhostImageManager\Properties\PublishProfiles\FolderProfile.pubxml</NameOfLastUsedPublishProfile>
+  </PropertyGroup>
+</Project>

GhostImageManager/Models/AppSettings.cs

@@ -0,0 +1,7 @@
+namespace GhostImageManager.Models;
+
+public class AppSettings
+{
+    public string Password { get; set; } = "change-me-in-production";
+    public int SessionTimeoutMinutes { get; set; } = 480;
+}

GhostImageManager/Models/GhostConfig.cs

@@ -0,0 +1,6 @@
+namespace GhostImageManager.Models;
+
+public class GhostConfig
+{
+    public List<GhostInstance> Instances { get; set; } = new();
+}

GhostImageManager/Models/GhostImage.cs

@@ -0,0 +1,33 @@
+namespace GhostImageManager.Models;
+
+public class GhostImage
+{
+    public string Url { get; set; } = "";
+    public string FileName { get; set; } = "";
+    public string RelativePath { get; set; } = "";
+    public string FilePath { get; set; } = "";
+    public long FileSize { get; set; }
+    public DateTime LastModified { get; set; }
+    public int Width { get; set; }
+    public int Height { get; set; }
+    public bool IsOrphaned { get; set; } = true;
+    public List<PostReference> UsedInPosts { get; set; } = new();
+
+    public string FormattedFileSize => FileSize switch
+    {
+        >= 1024 * 1024 => $"{FileSize / (1024.0 * 1024.0):F2} MB",
+        >= 1024 => $"{FileSize / 1024.0:F2} KB",
+        _ => $"{FileSize} B"
+    };
+
+    public string Dimensions => Width > 0 && Height > 0 ? $"{Width}x{Height}" : "n/a";
+}
+
+public class PostReference
+{
+    public string PostId { get; set; } = "";
+    public string Title { get; set; } = "";
+    public string Slug { get; set; } = "";
+    public bool IsFeatureImage { get; set; }
+    public bool IsInContent { get; set; }
+}

GhostImageManager/Models/GhostInstance.cs

@@ -0,0 +1,11 @@
+namespace GhostImageManager.Models;
+
+public class GhostInstance
+{
+    public string Id { get; set; } = Guid.NewGuid().ToString("N")[..8];
+    public string Name { get; set; } = "";
+    public string Url { get; set; } = "";
+    public string AdminApiKey { get; set; } = "";
+    public string ContentApiKey { get; set; } = "";
+    public string ImageFolderPath { get; set; } = "";
+}

GhostImageManager/Models/GhostPost.cs

@@ -0,0 +1,13 @@
+namespace GhostImageManager.Models;
+
+public class GhostPost
+{
+    public string Id { get; set; } = "";
+    public string Title { get; set; } = "";
+    public string Slug { get; set; } = "";
+    public string Html { get; set; } = "";
+    public string? FeatureImage { get; set; }
+    public DateTime? CreatedAt { get; set; }
+    public DateTime? UpdatedAt { get; set; }
+    public string Status { get; set; } = "";
+}

GhostImageManager/Program.cs

@@ -0,0 +1,102 @@
+using GhostImageManager.Components;
+using GhostImageManager.Models;
+using GhostImageManager.Services;
+using Microsoft.AspNetCore.Authentication.Cookies;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddRazorComponents()
+    .AddInteractiveServerComponents();
+
+builder.Services.Configure<AppSettings>(builder.Configuration.GetSection("AppSettings"));
+builder.Services.AddSingleton<GhostConfigService>();
+builder.Services.AddScoped<GhostApiService>();
+builder.Services.AddScoped<ImageAnalyzerService>();
+builder.Services.AddScoped<ImageReplacementService>();
+builder.Services.AddScoped<ImageDeletionService>();
+builder.Services.AddScoped<ImageExportService>();
+builder.Services.AddScoped<AuthService>();
+builder.Services.AddHttpClient<GhostApiService>();
+
+// Authentication
+builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
+    .AddCookie(options =>
+    {
+        options.LoginPath = "/login";
+        options.LogoutPath = "/logout";
+        options.AccessDeniedPath = "/access-denied";
+        options.ExpireTimeSpan = TimeSpan.FromMinutes(480);
+        options.SlidingExpiration = true;
+    });
+
+builder.Services.AddAuthorization();
+builder.Services.AddCascadingAuthenticationState();
+
+// Upload-Limit erhöhen (für Bildtausch)
+builder.WebHost.ConfigureKestrel(options =>
+{
+    options.Limits.MaxRequestBodySize = 104857600; // 100 MB
+});
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Error", createScopeForErrors: true);
+    app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+
+// Standard wwwroot
+app.UseStaticFiles();
+
+// Zusätzlich: start.jpg aus dem App-Root ausliefern
+var rootImagePath = Path.Combine(app.Environment.ContentRootPath, "start.jpg");
+if (File.Exists(rootImagePath))
+{
+    app.UseStaticFiles(new StaticFileOptions
+    {
+        FileProvider = new Microsoft.Extensions.FileProviders.PhysicalFileProvider(app.Environment.ContentRootPath),
+        RequestPath = "/start-image"
+    });
+}
+
+app.UseRouting();
+app.UseAuthentication();
+app.UseAuthorization();
+app.UseAntiforgery();
+
+app.MapRazorComponents<App>()
+    .AddInteractiveServerRenderMode();
+
+// Authentication API endpoints
+app.MapPost("/auth/login", async (HttpContext context, AuthService authService) =>
+{
+    var form = await context.Request.ReadFormAsync();
+    var password = form["password"].ToString();
+    var returnUrl = form["returnUrl"].ToString();
+
+    if (string.IsNullOrEmpty(returnUrl))
+        returnUrl = "/";
+
+    try
+    {
+        await authService.SignInAsync(context, password);
+        return Results.Redirect(returnUrl);
+    }
+    catch (UnauthorizedAccessException)
+    {
+        return Results.Redirect($"/login?errorMessage={Uri.EscapeDataString("Ungültiges Passwort.")}&returnUrl={Uri.EscapeDataString(returnUrl)}");
+    }
+});
+
+app.MapPost("/auth/logout", async (HttpContext context, AuthService authService) =>
+{
+    await authService.SignOutAsync(context);
+    return Results.Redirect("/login");
+});
+
+app.Run();

GhostImageManager/Services/AuthService.cs

@@ -0,0 +1,51 @@
+using System.Security.Claims;
+using GhostImageManager.Models;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Authentication.Cookies;
+
+namespace GhostImageManager.Services;
+
+public class AuthService
+{
+    private readonly AppSettings _appSettings;
+
+    public AuthService(IConfiguration configuration)
+    {
+        _appSettings = configuration.GetSection("AppSettings").Get<AppSettings>() ?? new AppSettings();
+    }
+
+    public bool ValidatePassword(string password)
+    {
+        return !string.IsNullOrEmpty(password) &&
+               password == _appSettings.Password;
+    }
+
+    public async Task SignInAsync(HttpContext context, string password)
+    {
+        if (!ValidatePassword(password))
+            throw new UnauthorizedAccessException("Ungültiges Passwort.");
+
+        var claims = new List<Claim>
+        {
+            new(ClaimTypes.Name, "Admin"),
+            new(ClaimTypes.Role, "Administrator")
+        };
+
+        var identity = new ClaimsIdentity(claims, CookieAuthenticationDefaults.AuthenticationScheme);
+        var principal = new ClaimsPrincipal(identity);
+
+        await context.SignInAsync(
+            CookieAuthenticationDefaults.AuthenticationScheme,
+            principal,
+            new AuthenticationProperties
+            {
+                IsPersistent = true,
+                ExpiresUtc = DateTimeOffset.UtcNow.AddMinutes(_appSettings.SessionTimeoutMinutes)
+            });
+    }
+
+    public async Task SignOutAsync(HttpContext context)
+    {
+        await context.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
+    }
+}

GhostImageManager/Services/GhostApiService.cs

@@ -0,0 +1,169 @@
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using GhostImageManager.Models;
+using HtmlAgilityPack;
+
+namespace GhostImageManager.Services;
+
+public class GhostApiService
+{
+    private readonly HttpClient _httpClient;
+
+    public GhostApiService(HttpClient httpClient)
+    {
+        _httpClient = httpClient;
+    }
+
+    public async Task<List<GhostPost>> GetPostsAsync(GhostInstance instance, string filter = "", int limit = 100)
+    {
+        var request = CreateRequest(HttpMethod.Get, instance, $"posts/?limit={limit}&filter={Uri.EscapeDataString(filter)}&fields=id,title,slug,feature_image,html,created_at,updated_at,status");
+        var response = await _httpClient.SendAsync(request);
+        response.EnsureSuccessStatusCode();
+
+        var json = await response.Content.ReadAsStringAsync();
+        var doc = JsonDocument.Parse(json);
+        var posts = new List<GhostPost>();
+
+        if (doc.RootElement.TryGetProperty("posts", out var postsElement))
+        {
+            foreach (var post in postsElement.EnumerateArray())
+            {
+                posts.Add(new GhostPost
+                {
+                    Id = GetString(post, "id"),
+                    Title = GetString(post, "title"),
+                    Slug = GetString(post, "slug"),
+                    Html = GetString(post, "html"),
+                    FeatureImage = GetString(post, "feature_image"),
+                    CreatedAt = GetDateTime(post, "created_at"),
+                    UpdatedAt = GetDateTime(post, "updated_at"),
+                    Status = GetString(post, "status")
+                });
+            }
+        }
+
+        return posts;
+    }
+
+    public async Task<GhostPost?> GetPostAsync(GhostInstance instance, string postId)
+    {
+        var request = CreateRequest(HttpMethod.Get, instance, $"posts/{postId}/?fields=id,title,slug,feature_image,html,created_at,updated_at,status");
+        var response = await _httpClient.SendAsync(request);
+        if (!response.IsSuccessStatusCode) return null;
+
+        var json = await response.Content.ReadAsStringAsync();
+        var doc = JsonDocument.Parse(json);
+
+        if (doc.RootElement.TryGetProperty("posts", out var posts) && posts.GetArrayLength() > 0)
+        {
+            var post = posts[0];
+            return new GhostPost
+            {
+                Id = GetString(post, "id"),
+                Title = GetString(post, "title"),
+                Slug = GetString(post, "slug"),
+                Html = GetString(post, "html"),
+                FeatureImage = GetString(post, "feature_image"),
+                CreatedAt = GetDateTime(post, "created_at"),
+                UpdatedAt = GetDateTime(post, "updated_at"),
+                Status = GetString(post, "status")
+            };
+        }
+
+        return null;
+    }
+
+    public async Task<bool> UpdatePostAsync(GhostInstance instance, GhostPost post)
+    {
+        var request = CreateRequest(HttpMethod.Put, instance, $"posts/{post.Id}/?source=html");
+        var body = new
+        {
+            posts = new[]
+            {
+                new
+                {
+                    id = post.Id,
+                    title = post.Title,
+                    html = post.Html,
+                    status = post.Status,
+                    feature_image = post.FeatureImage,
+                    updated_at = post.UpdatedAt?.ToString("o")
+                }
+            }
+        };
+
+        request.Content = new StringContent(JsonSerializer.Serialize(body), Encoding.UTF8, "application/json");
+        var response = await _httpClient.SendAsync(request);
+        return response.IsSuccessStatusCode;
+    }
+
+    public async Task<string?> UploadImageAsync(GhostInstance instance, Stream fileStream, string fileName, string? reference = null)
+    {
+        var token = JwtTokenService.GenerateToken(instance.AdminApiKey);
+        var request = new HttpRequestMessage(HttpMethod.Post, $"{instance.Url.TrimEnd('/')}/ghost/api/admin/images/upload/");
+        request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Ghost", token);
+        request.Headers.Add("Accept-Version", "v5.0");
+
+        var content = new MultipartFormDataContent();
+        var streamContent = new StreamContent(fileStream);
+        var ext = Path.GetExtension(fileName).ToLowerInvariant();
+        var mimeType = ext switch
+        {
+            ".jpg" or ".jpeg" => "image/jpeg",
+            ".png" => "image/png",
+            ".gif" => "image/gif",
+            ".webp" => "image/webp",
+            ".svg" => "image/svg+xml",
+            _ => "application/octet-stream"
+        };
+        streamContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue(mimeType);
+        content.Add(streamContent, "file", fileName);
+
+        if (!string.IsNullOrEmpty(reference))
+            content.Add(new StringContent(reference), "ref");
+
+        request.Content = content;
+        var response = await _httpClient.SendAsync(request);
+        if (!response.IsSuccessStatusCode) return null;
+
+        var json = await response.Content.ReadAsStringAsync();
+        var doc = JsonDocument.Parse(json);
+        if (doc.RootElement.TryGetProperty("images", out var images) && images.GetArrayLength() > 0)
+        {
+            return GetString(images[0], "url");
+        }
+
+        return null;
+    }
+
+    private HttpRequestMessage CreateRequest(HttpMethod method, GhostInstance instance, string endpoint)
+    {
+        var token = JwtTokenService.GenerateToken(instance.AdminApiKey);
+        var request = new HttpRequestMessage(method, $"{instance.Url.TrimEnd('/')}/ghost/api/admin/{endpoint}");
+        request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Ghost", token);
+        request.Headers.Add("Accept-Version", "v5.0");
+        return request;
+    }
+
+    private static string GetString(JsonElement element, string property)
+    {
+        if (element.TryGetProperty(property, out var prop) && prop.ValueKind != JsonValueKind.Null)
+            return prop.GetString() ?? "";
+        return "";
+    }
+
+    private static DateTime? GetDateTime(JsonElement element, string property)
+    {
+        if (element.TryGetProperty(property, out var prop) && prop.ValueKind != JsonValueKind.Null)
+            if (DateTime.TryParse(prop.GetString(), out var dt))
+                return dt;
+        return null;
+    }
+}
+
+public class GhostImageReference
+{
+    [JsonPropertyName("url")] public string Url { get; set; } = "";
+    [JsonPropertyName("ref")] public string? Ref { get; set; }
+}

GhostImageManager/Services/GhostConfigService.cs

@@ -0,0 +1,43 @@
+using System.Text.Json;
+using GhostImageManager.Models;
+
+namespace GhostImageManager.Services;
+
+public class GhostConfigService
+{
+    private readonly string _configPath;
+    private readonly object _lock = new();
+
+    public GhostConfigService(IWebHostEnvironment env)
+    {
+        _configPath = Path.Combine(env.ContentRootPath, "ghost-instances.json");
+    }
+
+    public GhostConfig Load()
+    {
+        if (!File.Exists(_configPath))
+        {
+            var empty = new GhostConfig();
+            Save(empty);
+            return empty;
+        }
+
+        var json = File.ReadAllText(_configPath);
+        return JsonSerializer.Deserialize<GhostConfig>(json, GetOptions()) ?? new GhostConfig();
+    }
+
+    public void Save(GhostConfig config)
+    {
+        lock (_lock)
+        {
+            var json = JsonSerializer.Serialize(config, GetOptions());
+            File.WriteAllText(_configPath, json);
+        }
+    }
+
+    private static JsonSerializerOptions GetOptions() => new()
+    {
+        WriteIndented = true,
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase
+    };
+}

GhostImageManager/Services/ImageAnalyzerService.cs

@@ -0,0 +1,215 @@
+using System.Text.RegularExpressions;
+using GhostImageManager.Models;
+using HtmlAgilityPack;
+
+namespace GhostImageManager.Services;
+
+public class ImageAnalyzerService
+{
+    private readonly GhostApiService _ghostApiService;
+    private readonly ILogger<ImageAnalyzerService> _logger;
+
+    public ImageAnalyzerService(GhostApiService ghostApiService, ILogger<ImageAnalyzerService> logger)
+    {
+        _ghostApiService = ghostApiService;
+        _logger = logger;
+    }
+
+    public async Task<List<GhostImage>> AnalyzeImagesAsync(GhostInstance instance, string searchTerm = "")
+    {
+        var images = new List<GhostImage>();
+        if (!Directory.Exists(instance.ImageFolderPath))
+        {
+            _logger.LogWarning("Image folder not found: {Path}", instance.ImageFolderPath);
+            return images;
+        }
+
+        // 1. Alle Posts abrufen
+        var posts = await _ghostApiService.GetPostsAsync(instance, searchTerm);
+
+        // 2. Bild-Referenzen aus Posts sammeln
+        var imageReferences = new Dictionary<string, List<PostReference>>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var post in posts)
+        {
+            // Feature Image
+            if (!string.IsNullOrEmpty(post.FeatureImage))
+            {
+                if (!imageReferences.ContainsKey(post.FeatureImage))
+                    imageReferences[post.FeatureImage] = new List<PostReference>();
+
+                imageReferences[post.FeatureImage].Add(new PostReference
+                {
+                    PostId = post.Id,
+                    Title = post.Title,
+                    Slug = post.Slug,
+                    IsFeatureImage = true,
+                    IsInContent = false
+                });
+            }
+
+            // Bilder im HTML
+            if (!string.IsNullOrEmpty(post.Html))
+            {
+                var htmlImages = ExtractImageUrls(post.Html);
+                foreach (var imgUrl in htmlImages)
+                {
+                    if (!imageReferences.ContainsKey(imgUrl))
+                        imageReferences[imgUrl] = new List<PostReference>();
+
+                    // Prüfen ob bereits als Feature Image vorhanden
+                    var existing = imageReferences[imgUrl].FirstOrDefault(r => r.PostId == post.Id);
+                    if (existing != null)
+                    {
+                        existing.IsInContent = true;
+                    }
+                    else
+                    {
+                        imageReferences[imgUrl].Add(new PostReference
+                        {
+                            PostId = post.Id,
+                            Title = post.Title,
+                            Slug = post.Slug,
+                            IsFeatureImage = false,
+                            IsInContent = true
+                        });
+                    }
+                }
+            }
+        }
+
+        // 3. Lokale Dateien scannen
+        var localFiles = ScanLocalImageFiles(instance.ImageFolderPath);
+
+        // 4. GhostImage-Objekte erstellen
+        foreach (var file in localFiles)
+        {
+            var absoluteUrl = ConvertLocalPathToUrl(instance, file.FullName);
+            var relativePath = GetRelativePath(instance.ImageFolderPath, file.FullName).Replace("\\", "/");
+
+            var image = new GhostImage
+            {
+                FilePath = file.FullName,
+                FileName = file.Name,
+                RelativePath = relativePath,
+                Url = absoluteUrl,
+                FileSize = file.Length,
+                LastModified = file.LastWriteTime,
+                UsedInPosts = imageReferences.TryGetValue(absoluteUrl, out var refs) ? refs : new List<PostReference>(),
+                IsOrphaned = !imageReferences.ContainsKey(absoluteUrl)
+            };
+
+            // Dimensionen ermitteln
+            GetImageDimensions(image);
+
+            images.Add(image);
+        }
+
+        // Auch URLs aus Posts, die lokal nicht existieren, hinzufügen (z.B. externe Bilder)
+        foreach (var url in imageReferences.Keys)
+        {
+            var localPath = ConvertUrlToLocalPath(instance, url);
+            if (!File.Exists(localPath) && !images.Any(i => i.Url.Equals(url, StringComparison.OrdinalIgnoreCase)))
+            {
+                images.Add(new GhostImage
+                {
+                    Url = url,
+                    FileName = Path.GetFileName(url),
+                    RelativePath = GetRelativePath(instance.ImageFolderPath, localPath).Replace("\\", "/"),
+                    FilePath = localPath,
+                    UsedInPosts = imageReferences[url],
+                    IsOrphaned = false
+                });
+            }
+        }
+
+        return images;
+    }
+
+    private List<FileInfo> ScanLocalImageFiles(string folderPath)
+    {
+        var files = new List<FileInfo>();
+        var extensions = new[] { ".jpg", ".jpeg", ".png", ".gif", ".webp", ".svg" };
+
+        if (!Directory.Exists(folderPath))
+            return files;
+
+        foreach (var ext in extensions)
+        {
+            files.AddRange(new DirectoryInfo(folderPath)
+                .EnumerateFiles($"*{ext}", SearchOption.AllDirectories));
+        }
+
+        return files.OrderBy(f => f.FullName).ToList();
+    }
+
+    private List<string> ExtractImageUrls(string html)
+    {
+        var urls = new List<string>();
+        try
+        {
+            var doc = new HtmlDocument();
+            doc.LoadHtml(html);
+
+            var imgTags = doc.DocumentNode.SelectNodes("//img[@src]");
+            if (imgTags != null)
+            {
+                foreach (var img in imgTags)
+                {
+                    var src = img.GetAttributeValue("src", "").Trim();
+                    if (!string.IsNullOrEmpty(src))
+                        urls.Add(src);
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Fehler beim Parsen von HTML");
+        }
+
+        return urls.Distinct(StringComparer.OrdinalIgnoreCase).ToList();
+    }
+
+    private string ConvertLocalPathToUrl(GhostInstance instance, string localPath)
+    {
+        var relativePath = GetRelativePath(instance.ImageFolderPath, localPath).Replace("\\", "/");
+        return $"{instance.Url.TrimEnd('/')}/content/images/{relativePath.TrimStart('/')}";
+    }
+
+    private string ConvertUrlToLocalPath(GhostInstance instance, string url)
+    {
+        var contentImagesUrl = $"{instance.Url.TrimEnd('/')}/content/images/";
+        if (url.StartsWith(contentImagesUrl, StringComparison.OrdinalIgnoreCase))
+        {
+            var relativePath = url[contentImagesUrl.Length..];
+            return Path.Combine(instance.ImageFolderPath, relativePath.Replace("/", "\\"));
+        }
+        return Path.Combine(instance.ImageFolderPath, Path.GetFileName(url));
+    }
+
+    private string GetRelativePath(string basePath, string targetPath)
+    {
+        var baseUri = new Uri(basePath.EndsWith("\\") || basePath.EndsWith("/") ? basePath : basePath + "\\");
+        var targetUri = new Uri(targetPath);
+        var relativeUri = baseUri.MakeRelativeUri(targetUri);
+        return Uri.UnescapeDataString(relativeUri.ToString());
+    }
+
+    private void GetImageDimensions(GhostImage image)
+    {
+        if (image.FilePath.EndsWith(".svg", StringComparison.OrdinalIgnoreCase))
+            return;
+
+        try
+        {
+            using var fs = File.OpenRead(image.FilePath);
+            var (width, height) = ImageDimensionReader.Read(fs);
+            image.Width = width;
+            image.Height = height;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogDebug(ex, "Konnte Bilddimensionen nicht ermitteln für {File}", image.FilePath);
+        }
+    }
+}

GhostImageManager/Services/ImageDeletionService.cs

@@ -0,0 +1,61 @@
+using GhostImageManager.Models;
+
+namespace GhostImageManager.Services;
+
+public class ImageDeletionService
+{
+    private readonly ILogger<ImageDeletionService> _logger;
+
+    public ImageDeletionService(ILogger<ImageDeletionService> logger)
+    {
+        _logger = logger;
+    }
+
+    public Task<bool> DeleteImageAsync(GhostImage image)
+    {
+        return Task.FromResult(DeleteFile(image.FilePath));
+    }
+
+    public Task<(int Success, int Failed)> DeleteImagesAsync(IEnumerable<GhostImage> images)
+    {
+        int success = 0;
+        int failed = 0;
+
+        foreach (var image in images)
+        {
+            if (DeleteFile(image.FilePath))
+                success++;
+            else
+                failed++;
+        }
+
+        return Task.FromResult((success, failed));
+    }
+
+    private bool DeleteFile(string filePath)
+    {
+        try
+        {
+            if (!File.Exists(filePath))
+            {
+                _logger.LogWarning("Datei nicht gefunden: {Path}", filePath);
+                return false;
+            }
+
+            File.Delete(filePath);
+
+            // Auch Backup löschen, falls vorhanden
+            var backupPath = filePath + ".backup";
+            if (File.Exists(backupPath))
+                File.Delete(backupPath);
+
+            _logger.LogInformation("Datei gelöscht: {Path}", filePath);
+            return true;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Fehler beim Löschen von {Path}", filePath);
+            return false;
+        }
+    }
+}

GhostImageManager/Services/ImageDimensionReader.cs

@@ -0,0 +1,123 @@
+namespace GhostImageManager.Services;
+
+public static class ImageDimensionReader
+{
+    public static (int Width, int Height) Read(Stream stream)
+    {
+        using var reader = new BinaryReader(stream);
+        var header = reader.ReadBytes(8);
+
+        if (IsJpeg(header))
+            return ReadJpeg(stream, reader);
+
+        if (IsPng(header))
+            return ReadPng(reader);
+
+        if (IsGif(header))
+            return ReadGif(reader);
+
+        if (IsWebP(header))
+            return ReadWebP(stream, reader);
+
+        return (0, 0);
+    }
+
+    private static bool IsJpeg(byte[] header) => header[0] == 0xFF && header[1] == 0xD8;
+    private static bool IsPng(byte[] header) => header[0] == 0x89 && header[1] == 0x50 && header[2] == 0x4E && header[3] == 0x47;
+    private static bool IsGif(byte[] header) => header[0] == 0x47 && header[1] == 0x49 && header[2] == 0x46;
+    private static bool IsWebP(byte[] header) => header[0] == 0x52 && header[1] == 0x49 && header[2] == 0x46 && header[3] == 0x46;
+
+    private static (int, int) ReadPng(BinaryReader reader)
+    {
+        reader.BaseStream.Seek(16, SeekOrigin.Begin);
+        var width = ReadBigEndianInt(reader);
+        var height = ReadBigEndianInt(reader);
+        return (width, height);
+    }
+
+    private static (int, int) ReadGif(BinaryReader reader)
+    {
+        reader.BaseStream.Seek(6, SeekOrigin.Begin);
+        var width = reader.ReadUInt16();
+        var height = reader.ReadUInt16();
+        return (width, height);
+    }
+
+    private static (int, int) ReadJpeg(Stream stream, BinaryReader reader)
+    {
+        stream.Seek(2, SeekOrigin.Begin);
+        while (stream.Position < stream.Length)
+        {
+            int marker = reader.ReadByte();
+            if (marker != 0xFF) continue;
+
+            int type = reader.ReadByte();
+            if (type == 0xD9 || type == 0xDA) break; // EOI or SOS
+
+            // Skip padding
+            while (type == 0xFF) type = reader.ReadByte();
+            if (type == 0xD9 || type == 0xDA) break;
+
+            if (type == 0xD8 || type == 0x01) continue;
+
+            int length = (reader.ReadByte() << 8) | reader.ReadByte();
+            if (length < 2) break;
+
+            if (type == 0xC0 || type == 0xC1 || type == 0xC2 || type == 0xC3 ||
+                type == 0xC5 || type == 0xC6 || type == 0xC7 ||
+                type == 0xC9 || type == 0xCA || type == 0xCB ||
+                type == 0xCD || type == 0xCE || type == 0xCF)
+            {
+                reader.ReadByte(); // precision
+                int height = (reader.ReadByte() << 8) | reader.ReadByte();
+                int width = (reader.ReadByte() << 8) | reader.ReadByte();
+                return (width, height);
+            }
+
+            stream.Seek(length - 2, SeekOrigin.Current);
+        }
+
+        return (0, 0);
+    }
+
+    private static (int, int) ReadWebP(Stream stream, BinaryReader reader)
+    {
+        stream.Seek(12, SeekOrigin.Begin); // Skip RIFF....WEBP
+        var chunk = reader.ReadChars(4);
+        var chunkType = new string(chunk);
+
+        if (chunkType == "VP8 ")
+        {
+            stream.Seek(26, SeekOrigin.Begin);
+            int width = reader.ReadUInt16() & 0x3FFF;
+            int height = reader.ReadUInt16() & 0x3FFF;
+            return (width, height);
+        }
+
+        if (chunkType == "VP8L")
+        {
+            stream.Seek(21, SeekOrigin.Begin);
+            int data = reader.ReadInt32();
+            int width = (data & 0x3FFF) + 1;
+            int height = ((data >> 14) & 0x3FFF) + 1;
+            return (width, height);
+        }
+
+        if (chunkType == "VP8X")
+        {
+            stream.Seek(24, SeekOrigin.Begin);
+            var sizeBytes = reader.ReadBytes(6);
+            int width = (sizeBytes[0] | (sizeBytes[1] << 8) | (sizeBytes[2] << 16)) + 1;
+            int height = (sizeBytes[3] | (sizeBytes[4] << 8) | (sizeBytes[5] << 16)) + 1;
+            return (width, height);
+        }
+
+        return (0, 0);
+    }
+
+    private static int ReadBigEndianInt(BinaryReader reader)
+    {
+        var bytes = reader.ReadBytes(4);
+        return (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3];
+    }
+}

GhostImageManager/Services/ImageExportService.cs

@@ -0,0 +1,86 @@
+using System.IO.Compression;
+using System.Text;
+using GhostImageManager.Models;
+
+namespace GhostImageManager.Services;
+
+public class ImageExportService
+{
+    public byte[] ExportToCsv(List<GhostImage> images)
+    {
+        var sb = new StringBuilder();
+        sb.AppendLine("Dateiname;Relativer Pfad;URL;Größe Bytes;Größe;Dimensionen;Letzte Änderung;Verwaist;Verwendet in Posts");
+
+        foreach (var image in images)
+        {
+            var posts = string.Join(" | ", image.UsedInPosts.Select(p => $"{p.Title} ({(p.IsFeatureImage ? "Feature" : "Content")})"));
+            sb.AppendLine($"{EscapeCsv(image.FileName)};{EscapeCsv(image.RelativePath)};{EscapeCsv(image.Url)};{image.FileSize};{image.FormattedFileSize};{image.Dimensions};{image.LastModified:yyyy-MM-dd HH:mm};{image.IsOrphaned};{EscapeCsv(posts)}");
+        }
+
+        return Encoding.UTF8.GetBytes(sb.ToString());
+    }
+
+    public byte[] ExportToTxt(List<GhostImage> images)
+    {
+        var sb = new StringBuilder();
+        sb.AppendLine("Ghost Image Export");
+        sb.AppendLine($"Erstellt am: {DateTime.Now:yyyy-MM-dd HH:mm}");
+        sb.AppendLine($"Anzahl Bilder: {images.Count}");
+        sb.AppendLine($"Verwaiste Bilder: {images.Count(i => i.IsOrphaned)}");
+        sb.AppendLine(new string('-', 80));
+
+        foreach (var image in images)
+        {
+            sb.AppendLine($"Datei: {image.FileName}");
+            sb.AppendLine($"URL: {image.Url}");
+            sb.AppendLine($"Pfad: {image.RelativePath}");
+            sb.AppendLine($"Verwaist: {(image.IsOrphaned ? "Ja" : "Nein")}");
+            if (image.UsedInPosts.Any())
+            {
+                sb.AppendLine("Verwendet in:");
+                foreach (var post in image.UsedInPosts)
+                {
+                    sb.AppendLine($"  - {post.Title} ({(post.IsFeatureImage ? "Feature" : "Content")})");
+                }
+            }
+            sb.AppendLine();
+        }
+
+        return Encoding.UTF8.GetBytes(sb.ToString());
+    }
+
+    public async Task<byte[]> ExportToZipAsync(List<GhostImage> images)
+    {
+        using var ms = new MemoryStream();
+        using (var archive = new ZipArchive(ms, ZipArchiveMode.Create, true))
+        {
+            foreach (var image in images)
+            {
+                if (!File.Exists(image.FilePath))
+                    continue;
+
+                var entry = archive.CreateEntry(image.RelativePath.Replace("/", "\\"));
+                await using (var entryStream = entry.Open())
+                {
+                    await using var fileStream = File.OpenRead(image.FilePath);
+                    await fileStream.CopyToAsync(entryStream);
+                }
+            }
+        }
+
+        return ms.ToArray();
+    }
+
+    private static string EscapeCsv(string value)
+    {
+        if (string.IsNullOrEmpty(value))
+            return "";
+
+        if (value.Contains(';') || value.Contains('"') || value.Contains('\n'))
+        {
+            return $"\"{value.Replace("\"", "\"\"")}\"";
+        }
+
+        return value;
+    }
+}

GhostImageManager/Services/ImageReplacementService.cs

@@ -0,0 +1,61 @@
+using GhostImageManager.Models;
+
+namespace GhostImageManager.Services;
+
+public class ImageReplacementService
+{
+    private readonly ILogger<ImageReplacementService> _logger;
+
+    public ImageReplacementService(ILogger<ImageReplacementService> logger)
+    {
+        _logger = logger;
+    }
+
+    public async Task<bool> ReplaceImageAsync(GhostImage oldImage, Stream newImageStream, string newFileName)
+    {
+        try
+        {
+            if (!File.Exists(oldImage.FilePath))
+            {
+                _logger.LogError("Alte Bilddatei nicht gefunden: {Path}", oldImage.FilePath);
+                return false;
+            }
+
+            // Backup der alten Datei erstellen
+            var backupPath = oldImage.FilePath + ".backup";
+            File.Copy(oldImage.FilePath, backupPath, overwrite: true);
+
+            // Neue Datei schreiben
+            using (var fileStream = File.Create(oldImage.FilePath))
+            {
+                await newImageStream.CopyToAsync(fileStream);
+            }
+
+            _logger.LogInformation("Bild ersetzt: {OldFile} durch {NewFile}", oldImage.FileName, newFileName);
+            return true;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Fehler beim Ersetzen des Bildes {File}", oldImage.FileName);
+            return false;
+        }
+    }
+
+    public bool RestoreBackup(GhostImage image)
+    {
+        try
+        {
+            var backupPath = image.FilePath + ".backup";
+            if (!File.Exists(backupPath))
+                return false;
+
+            File.Copy(backupPath, image.FilePath, overwrite: true);
+            return true;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Fehler beim Wiederherstellen des Backups für {File}", image.FileName);
+            return false;
+        }
+    }
+}

GhostImageManager/Services/JwtTokenService.cs

@@ -0,0 +1,34 @@
+using System.Security.Cryptography;
+using Microsoft.IdentityModel.Tokens;
+using System.IdentityModel.Tokens.Jwt;
+
+namespace GhostImageManager.Services;
+
+public static class JwtTokenService
+{
+    public static string GenerateToken(string adminApiKey)
+    {
+        var parts = adminApiKey.Split(':', 2);
+        if (parts.Length != 2)
+            throw new ArgumentException("Admin API Key muss im Format {id}:{secret} sein.");
+
+        string keyId = parts[0];
+        string secret = parts[1];
+
+        var now = DateTimeOffset.UtcNow;
+        var securityKey = new SymmetricSecurityKey(Convert.FromHexString(secret));
+        var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
+
+        var token = new JwtSecurityToken(
+            header: new JwtHeader(credentials) { { "kid", keyId } },
+            payload: new JwtPayload
+            {
+                { "iat", now.ToUnixTimeSeconds() },
+                { "exp", now.AddMinutes(5).ToUnixTimeSeconds() },
+                { "aud", "/admin/" }
+            }
+        );
+
+        return new JwtSecurityTokenHandler().WriteToken(token);
+    }
+}

GhostImageManager/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

GhostImageManager/appsettings.json

@@ -0,0 +1,13 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*",
+  "AppSettings": {
+    "Password": "change-me-in-production",
+    "SessionTimeoutMinutes": 480
+  }
+}

GhostImageManager/dotnet-tools.json

@@ -0,0 +1,13 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "dotnet-ef": {
+      "version": "10.0.12",
+      "commands": [
+        "dotnet-ef"
+      ],
+      "rollForward": false
+    }
+  }
+}

GhostImageManager/ghost-instances.json

@@ -0,0 +1,12 @@
+{
+  "instances": [
+    {
+      "id": "prod",
+      "name": "Produktion",
+      "url": "https://www.brigitteundrolandunterwegs.com",
+      "adminApiKey": "HIER_ADMIN_API_KEY_EINGEBEN",
+      "contentApiKey": "",
+      "imageFolderPath": "C:\\Ghost\\content\\images"
+    }
+  ]
+}

GhostImageManager/wwwroot/app.css

@@ -0,0 +1,179 @@
+h1:focus {
+    outline: none;
+}
+
+.valid.modified:not([type=checkbox]) {
+    outline: 1px solid #26b050;
+}
+
+.invalid {
+    outline: 1px solid #e50000;
+}
+
+.validation-message {
+    color: #e50000;
+}
+
+.blazor-error-boundary {
+    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
+    padding: 1rem 1rem 1rem 3.7rem;
+    color: white;
+}
+
+    .blazor-error-boundary::after {
+        content: "An error has occurred."
+    }
+
+.darker-border-checkbox.form-check-input {
+    border-color: #929292;
+}
+
+.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
+    color: var(--bs-secondary-color);
+    text-align: end;
+}
+
+.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
+    text-align: start;
+}
+
+/* Login Page Styles */
+.login-container {
+    position: relative;
+    width: 100vw;
+    height: 100vh;
+    overflow: hidden;
+    display: flex;
+    align-items: flex-end;
+    justify-content: center;
+}
+
+.login-background {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    z-index: 0;
+}
+
+.login-background-placeholder {
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.login-form-wrapper {
+    position: relative;
+    z-index: 1;
+    width: 100%;
+    display: flex;
+    justify-content: center;
+    padding-bottom: 3rem;
+}
+
+.login-form-card {
+    background-color: rgba(33, 37, 41, 0.75);
+    backdrop-filter: blur(10px);
+    border-radius: 12px;
+    padding: 2rem;
+    width: 100%;
+    max-width: 420px;
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.login-form-card .form-control {
+    background-color: rgba(255, 255, 255, 0.9);
+    border: none;
+}
+
+.login-form-card .form-control:focus {
+    background-color: #fff;
+    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.5);
+}
+
+/* Custom Ghost Image Manager Styles */
+.page {
+    display: flex;
+    flex-direction: row;
+}
+
+.sidebar {
+    width: 250px;
+    min-height: 100vh;
+    background-color: #212529;
+    color: white;
+}
+
+main {
+    flex: 1;
+    min-width: 0;
+}
+
+.top-row {
+    background-color: #f8f9fa;
+    border-bottom: 1px solid #dee2e6;
+}
+
+.content {
+    padding-top: 1.5rem;
+}
+
+.card-img-top {
+    overflow: hidden;
+}
+
+.card-img-top img {
+    transition: transform 0.2s;
+}
+
+.card-img-top:hover img {
+    transform: scale(1.05);
+}
+
+.modal.show {
+    display: block;
+}
+
+.nav-scrollable {
+    display: block;
+}
+
+.navbar-toggler {
+    appearance: none;
+    cursor: pointer;
+    width: 3.5rem;
+    height: 2.5rem;
+    color: white;
+    position: absolute;
+    top: 0.5rem;
+    right: 1rem;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") no-repeat center/1.75rem;
+}
+
+.navbar-toggler:checked {
+    background-color: rgba(255, 255, 255, 0.1);
+}
+
+@media (max-width: 768px) {
+    .page {
+        flex-direction: column;
+    }
+    
+    .sidebar {
+        width: 100%;
+        min-height: auto;
+    }
+    
+    .nav-scrollable {
+        display: none;
+    }
+    
+    .navbar-toggler:checked ~ .nav-scrollable {
+        display: block;
+    }
+}

WPPlugin/rbrExportRestApi.php

@@ -175,7 +175,7 @@ function rbr_get_post_details_with_media($data) {
     // Duplikate entfernen
     $unique_media = array_values(array_unique($media_urls));
 
-    // 4. Kategorien ( Categories Only, keine Tags)
+    // 4. Kategorien
     $categories = array();
     $cats = get_the_category($post_id);
     if (!empty($cats) && !is_wp_error($cats)) {
@@ -188,23 +188,44 @@ function rbr_get_post_details_with_media($data) {
         }
     }
 
-    // 5. Keywords (aus Yoast SEO oder Rank Math oder Custom Field)
+    // 5. Tags (post_tag Taxonomy)
+    $tags = array();
+    $post_tags = get_the_tags($post_id);
+    if (!empty($post_tags) && !is_wp_error($post_tags)) {
+        foreach ($post_tags as $tag) {
+            $tags[] = array(
+                'id'    => intval($tag->term_id),
+                'name'  => $tag->name,
+                'slug'  => $tag->slug,
+            );
+        }
+    }
+
+    // 6. Keywords (aus Yoast SEO oder Rank Math oder Custom Field)
     $keywords = '';
-    // Yoast SEO
-    if (function_exists('yoast_get_primary_term')) {
-        $keywords = get_post_meta($post_id, '_yoast_wpseo_focuskw', true);
+    // Yoast SEO: Prüfe auf Meta-Key direkt (funktioniert in allen Versionen)
+    $yoast_kw = get_post_meta($post_id, '_yoast_wpseo_focuskw', true);
+    if (!empty($yoast_kw)) {
+        $keywords = $yoast_kw;
     }
     // Rank Math
     if (empty($keywords) && function_exists('rank_math_get_single_post_data')) {
         $rank_data = rank_math_get_single_post_data($post_id);
-        if (!empty($rank_data->get_keywords())) {
-            $keywords = $rank_data->get_keywords();
+        if (method_exists($rank_data, 'get_keywords')) {
+            $kw = $rank_data->get_keywords();
+            if (!empty($kw)) {
+                $keywords = $kw;
+            }
         }
     }
     // Fallback: Custom Field 'post_keywords'
     if (empty($keywords)) {
         $keywords = get_post_meta($post_id, 'post_keywords', true);
     }
+    // Fallback: Tags als Keywords
+    if (empty($keywords) && !empty($tags)) {
+        $keywords = implode(', ', array_column($tags, 'name'));
+    }
     // Fallback: Kategorien als Keywords
     if (empty($keywords) && !empty($categories)) {
         $keywords = implode(', ', array_column($categories, 'name'));
@@ -241,6 +262,7 @@ function rbr_get_post_details_with_media($data) {
         ),
         'featured_image' => $featured_image_url,
         'categories'     => $categories,
+        'tags'           => $tags,
         'keywords'       => $keywords,
         'comments'       => $comments,
         'media_files'    => $unique_media,