Erweiterungen

AGENTS.md

@@ -17,3 +17,6 @@ History currently uses brief German titles; shift to imperative, scoped summarie
 
 ## Security & Configuration Tips
 External service credentials for MongoDB, SMTP, and MQTT belong in environment variables or a developer-specific `application-local.properties` kept out of version control. Document default ports and topics when touching `MqttConfig` so ops can replicate environments. For two-factor flows, keep shared secrets in secure storage and avoid logging codes during development.
+
+# Misc
+Never start the application; leave that to the user.

src/main/java/de/assecutor/votianlt/controller/LocationApiController.java

@@ -27,13 +27,14 @@ public class LocationApiController {
     /**
      * Gibt die aktuelle Position eines App-Nutzers zurück.
      *
-     * @param appUserId die ID des App-Nutzers
+     * @param appUserId
+     *            die ID des App-Nutzers
      * @return die aktuelle Position oder 404 wenn keine vorhanden
      */
     @GetMapping("/{appUserId}")
     public ResponseEntity<LocationResponse> getCurrentPosition(@PathVariable String appUserId) {
         LocationPosition position = locationService.getLatestPosition(appUserId);
-        
+
         if (position == null || position.getLatitude() == null || position.getLongitude() == null) {
             return ResponseEntity.notFound().build();
         }
@@ -44,7 +45,7 @@ public class LocationApiController {
         response.setAccuracy(position.getAccuracy());
         response.setSpeed(position.getSpeed());
         response.setTimestamp(position.getTimestamp());
-        
+
         return ResponseEntity.ok(response);
     }
 

src/main/java/de/assecutor/votianlt/controller/MessageController.java

@@ -36,8 +36,8 @@ import java.util.Optional;
 import org.bson.types.ObjectId;
 
 /**
- * Message controller for handling real-time communication with apps.
- * Provides endpoints for sending and receiving messages via WebSocket.
+ * Message controller for handling real-time communication with apps. Provides
+ * endpoints for sending and receiving messages via WebSocket.
  */
 @Component
 @Slf4j
@@ -409,9 +409,9 @@ public class MessageController {
 
     /**
      * Handle incoming message from a client via WebSocket. Client sends to
-     * /server/message with payload: { "content": "message payload",
-     * "contentType": "TEXT|IMAGE", "jobId": "optional job id", "jobNumber":
-     * "optional job number" }
+     * /server/message with payload: { "content": "message payload", "contentType":
+     * "TEXT|IMAGE", "jobId": "optional job id", "jobNumber": "optional job number"
+     * }
      *
      * The appUserId is determined from the authenticated WebSocket session.
      */

src/main/java/de/assecutor/votianlt/dto/AppLoginResponse.java

@@ -10,6 +10,9 @@ import lombok.NoArgsConstructor;
 public class AppLoginResponse {
     private boolean success;
     private String message;
-    /** Only populated on success, for internal server-side routing. Not sent to client. */
+    /**
+     * Only populated on success, for internal server-side routing. Not sent to
+     * client.
+     */
     private String appUserId;
 }

src/main/java/de/assecutor/votianlt/messaging/MessagingConfig.java

@@ -113,9 +113,7 @@ public class MessagingConfig {
 
                 // Send success response to the now-authenticated session
                 // locationTrackingEnabled: true = client should send position updates
-                Map<String, Object> authResponse = Map.of(
-                        "success", true,
-                        "message", response.getMessage(),
+                Map<String, Object> authResponse = Map.of("success", true, "message", response.getMessage(),
                         "locationTrackingEnabled", true);
                 byte[] responseBytes = objectMapper.writeValueAsBytes(authResponse);
                 webSocketService.sendToClient(appUserId, "auth", responseBytes);

src/main/java/de/assecutor/votianlt/messaging/WebSocketService.java

@@ -255,8 +255,8 @@ public class WebSocketService extends TextWebSocketHandler {
     }
 
     /**
-     * Register a pending session as authenticated under the given appUserId.
-     * Called by MessagingConfig after successful login.
+     * Register a pending session as authenticated under the given appUserId. Called
+     * by MessagingConfig after successful login.
      */
     public void registerAuthenticatedSession(String wsSessionId, String appUserId) {
         PendingSession pending = pendingSessions.get(wsSessionId);

src/main/java/de/assecutor/votianlt/model/AddressValidationResult.java

@@ -0,0 +1,53 @@
+package de.assecutor.votianlt.model;
+
+import lombok.Data;
+
+/**
+ * Speichert das Ergebnis einer Adressvalidierung. Wird verwendet, um zu merken,
+ * ob eine Adresse bereits validiert wurde und ob sie gültig ist.
+ */
+@Data
+public class AddressValidationResult {
+
+    private final String addressType; // "pickup" oder "delivery"
+    private final String street;
+    private final String houseNumber;
+    private final String zip;
+    private final String city;
+
+    private boolean valid;
+    private String formattedAddress;
+    private double latitude;
+    private double longitude;
+    private String validationMessage;
+
+    public AddressValidationResult(String addressType, String street, String houseNumber, String zip, String city) {
+        this.addressType = addressType;
+        this.street = street;
+        this.houseNumber = houseNumber;
+        this.zip = zip;
+        this.city = city;
+        this.valid = false;
+    }
+
+    /**
+     * Erstellt einen eindeutigen Schlüssel für diese Adresse
+     */
+    public String getAddressKey() {
+        return String.format("%s|%s|%s|%s|%s", addressType, normalize(street), normalize(houseNumber), normalize(zip),
+                normalize(city));
+    }
+
+    private String normalize(String value) {
+        return value != null ? value.trim().toLowerCase() : "";
+    }
+
+    /**
+     * Prüft, ob diese Validierung für die angegebenen Adressdaten gilt
+     */
+    public boolean matches(String street, String houseNumber, String zip, String city) {
+        return normalize(this.street).equals(normalize(street))
+                && normalize(this.houseNumber).equals(normalize(houseNumber))
+                && normalize(this.zip).equals(normalize(zip)) && normalize(this.city).equals(normalize(city));
+    }
+}

src/main/java/de/assecutor/votianlt/model/InvoiceTemplate.java

@@ -9,48 +9,48 @@ import org.springframework.data.mongodb.core.mapping.Document;
 import java.time.LocalDateTime;
 
 /**
- * Stores invoice template data for a user.
- * Contains the JSON representation of the canvas elements.
+ * Stores invoice template data for a user. Contains the JSON representation of
+ * the canvas elements.
  */
 @Document(collection = "invoice_templates")
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
 public class InvoiceTemplate {
-    
+
     @Id
     private String id;
-    
+
     /**
      * The user ID this template belongs to
      */
     private String userId;
-    
+
     /**
      * Template name (optional, for future use if multiple templates are supported)
      */
     private String name;
-    
+
     /**
      * JSON string containing the template data (canvas elements)
      */
     private String templateData;
-    
+
     /**
      * When the template was created
      */
     private LocalDateTime createdAt;
-    
+
     /**
      * When the template was last updated
      */
     private LocalDateTime updatedAt;
-    
+
     /**
      * Version for optimistic locking
      */
     private Long version;
-    
+
     public InvoiceTemplate(String userId, String name, String templateData) {
         this.userId = userId;
         this.name = name;
@@ -58,7 +58,7 @@ public class InvoiceTemplate {
         this.createdAt = LocalDateTime.now();
         this.updatedAt = LocalDateTime.now();
     }
-    
+
     public void updateTemplate(String templateData) {
         this.templateData = templateData;
         this.updatedAt = LocalDateTime.now();

src/main/java/de/assecutor/votianlt/model/Job.java

@@ -133,6 +133,14 @@ public class Job {
     @Field("price")
     private BigDecimal price;
 
+    // Gefahrene Kilometer für Rechnungsstellung
+    @Field("kilometers_driven")
+    private Integer kilometersDriven;
+
+    // Arbeitszeit in 15-Minuten-Einheiten für Rechnungsstellung
+    @Field("time_in_15min_units")
+    private Integer timeIn15MinUnits;
+
     /**
      * Returns the ObjectId as string for JSON serialization. This ensures that the
      * job id is returned as a string when jobs are retrieved via API.
@@ -141,4 +149,4 @@ public class Job {
     public String getIdAsString() {
         return id != null ? id.toString() : null;
     }
-}
+}

src/main/java/de/assecutor/votianlt/model/LocationPosition.java

@@ -77,8 +77,8 @@ public class LocationPosition {
     @Indexed(expireAfter = "3600s") // TTL index: auto-delete after 60 minutes
     private Instant receivedAt;
 
-    public LocationPosition(String appUserId, Double latitude, Double longitude, Double accuracy,
-            Double altitude, Double speed, Double heading, Instant timestamp) {
+    public LocationPosition(String appUserId, Double latitude, Double longitude, Double accuracy, Double altitude,
+            Double speed, Double heading, Instant timestamp) {
         this.appUserId = appUserId;
         this.latitude = latitude;
         this.longitude = longitude;

src/main/java/de/assecutor/votianlt/model/MessageDeliveryStatus.java

@@ -1,12 +1,11 @@
 package de.assecutor.votianlt.model;
 
 /**
- * Delivery status for messages sent to clients.
- * Tracks whether a message was successfully delivered via WebSocket.
+ * Delivery status for messages sent to clients. Tracks whether a message was
+ * successfully delivered via WebSocket.
  */
 public enum MessageDeliveryStatus {
-    NOTSEND("Nicht gesendet"),
-    SEND("Gesendet");
+    NOTSEND("Nicht gesendet"), SEND("Gesendet");
 
     private final String displayName;
 

src/main/java/de/assecutor/votianlt/model/RouteCalculationResult.java

@@ -0,0 +1,44 @@
+package de.assecutor.votianlt.model;
+
+import lombok.Data;
+
+/**
+ * Speichert das Ergebnis einer Routenberechnung zwischen zwei Adressen.
+ */
+@Data
+public class RouteCalculationResult {
+
+    private boolean valid;
+    private double distanceKm;
+    private int durationSeconds;
+    private String formattedDistance;
+    private String formattedDuration;
+    private String routeMessage;
+
+    public RouteCalculationResult() {
+        this.valid = false;
+        this.distanceKm = 0.0;
+        this.durationSeconds = 0;
+    }
+
+    /**
+     * Gibt die Dauer in Minuten zurück
+     */
+    public int getDurationMinutes() {
+        return durationSeconds / 60;
+    }
+
+    /**
+     * Gibt die Dauer formatiert zurück (z.B. "1 Std. 30 Min." oder "45 Min.")
+     */
+    public String getFormattedDurationLong() {
+        int hours = durationSeconds / 3600;
+        int minutes = (durationSeconds % 3600) / 60;
+
+        if (hours > 0) {
+            return String.format("%d Std. %d Min.", hours, minutes);
+        } else {
+            return String.format("%d Min.", minutes);
+        }
+    }
+}

src/main/java/de/assecutor/votianlt/model/Service.java

@@ -0,0 +1,138 @@
+package de.assecutor.votianlt.model;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.mongodb.core.mapping.Document;
+import java.math.BigDecimal;
+
+@Document(collection = "services")
+public class Service {
+
+    @Id
+    private String id;
+
+    private String userId;
+    private String name;
+    private CalculationBasis calculationBasis;
+    private BigDecimal price; // For FLAT_RATE services
+    private BigDecimal pricePerKilometer; // For DISTANCE services - price per kilometer
+    private BigDecimal pricePer15Minutes; // For TIME services - price per 15 minutes
+    private BigDecimal vatRate;
+    private boolean mandatory;
+
+    public enum CalculationBasis {
+        DISTANCE, TIME, FLAT_RATE
+    }
+
+    public Service() {
+    }
+
+    public Service(String userId, String name, CalculationBasis calculationBasis, BigDecimal price,
+            BigDecimal vatRate) {
+        this(userId, name, calculationBasis, price, vatRate, false);
+    }
+
+    public Service(String userId, String name, CalculationBasis calculationBasis, BigDecimal price, BigDecimal vatRate,
+            boolean mandatory) {
+        this.userId = userId;
+        this.name = name;
+        this.calculationBasis = calculationBasis;
+        this.vatRate = vatRate;
+        this.mandatory = mandatory;
+
+        // Set the appropriate price field based on calculation basis
+        switch (calculationBasis) {
+        case DISTANCE:
+            this.pricePerKilometer = price;
+            break;
+        case TIME:
+            this.pricePer15Minutes = price;
+            break;
+        case FLAT_RATE:
+            this.price = price;
+            break;
+        }
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public CalculationBasis getCalculationBasis() {
+        return calculationBasis;
+    }
+
+    public void setCalculationBasis(CalculationBasis calculationBasis) {
+        this.calculationBasis = calculationBasis;
+    }
+
+    public BigDecimal getVatRate() {
+        return vatRate;
+    }
+
+    public void setVatRate(BigDecimal vatRate) {
+        this.vatRate = vatRate;
+    }
+
+    public BigDecimal getPrice() {
+        return price;
+    }
+
+    public void setPrice(BigDecimal price) {
+        this.price = price;
+    }
+
+    public BigDecimal getPricePerKilometer() {
+        return pricePerKilometer;
+    }
+
+    public void setPricePerKilometer(BigDecimal pricePerKilometer) {
+        this.pricePerKilometer = pricePerKilometer;
+    }
+
+    public BigDecimal getPricePer15Minutes() {
+        return pricePer15Minutes;
+    }
+
+    public void setPricePer15Minutes(BigDecimal pricePer15Minutes) {
+        this.pricePer15Minutes = pricePer15Minutes;
+    }
+
+    /**
+     * Get the appropriate price based on calculation basis
+     */
+    public BigDecimal getEffectivePrice() {
+        return switch (calculationBasis) {
+        case DISTANCE -> pricePerKilometer;
+        case TIME -> pricePer15Minutes;
+        case FLAT_RATE -> price;
+        };
+    }
+
+    public boolean isMandatory() {
+        return mandatory;
+    }
+
+    public void setMandatory(boolean mandatory) {
+        this.mandatory = mandatory;
+    }
+}

src/main/java/de/assecutor/votianlt/pages/service/AddJobService.java

@@ -182,8 +182,8 @@ public class AddJobService {
     }
 
     /**
-     * Sendet den neu erstellten Job per WebSocket an den zugewiesenen Client, falls dieser
-     * online ist.
+     * Sendet den neu erstellten Job per WebSocket an den zugewiesenen Client, falls
+     * dieser online ist.
      */
     private void notifyClientJobCreated(Job job) {
         if (!job.isDigitalProcessing()) {

src/main/java/de/assecutor/votianlt/pages/service/AddressValidationService.java

@@ -0,0 +1,292 @@
+package de.assecutor.votianlt.pages.service;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import de.assecutor.votianlt.model.AddressValidationResult;
+import de.assecutor.votianlt.model.RouteCalculationResult;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+import java.net.URI;
+import java.net.URLEncoder;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.nio.charset.StandardCharsets;
+import java.time.Duration;
+
+/**
+ * Service zur Validierung von Adressen über die Google Geocoding API.
+ */
+@Service
+@Slf4j
+public class AddressValidationService {
+
+    @Value("${app.google.maps.api-key:}")
+    private String googleMapsApiKey;
+
+    private final HttpClient httpClient;
+    private final ObjectMapper objectMapper;
+
+    private static final String GEOCODING_API_URL = "https://maps.googleapis.com/maps/api/geocode/json";
+    private static final String DIRECTIONS_API_URL = "https://maps.googleapis.com/maps/api/directions/json";
+
+    public AddressValidationService() {
+        this.httpClient = HttpClient.newBuilder().connectTimeout(Duration.ofSeconds(10)).build();
+        this.objectMapper = new ObjectMapper();
+    }
+
+    /**
+     * Validiert eine Adresse über die Google Geocoding API.
+     *
+     * @param addressType
+     *            "pickup" oder "delivery"
+     * @param street
+     *            Straße
+     * @param houseNumber
+     *            Hausnummer
+     * @param zip
+     *            Postleitzahl
+     * @param city
+     *            Stadt
+     * @return AddressValidationResult mit dem Validierungsergebnis
+     */
+    public AddressValidationResult validateAddress(String addressType, String street, String houseNumber, String zip,
+            String city) {
+        AddressValidationResult result = new AddressValidationResult(addressType, street, houseNumber, zip, city);
+
+        // Prüfen, ob API-Key konfiguriert ist
+        if (googleMapsApiKey == null || googleMapsApiKey.isBlank()) {
+            log.warn("Google Maps API Key nicht konfiguriert. Adressvalidierung übersprungen.");
+            result.setValidationMessage("API-Key nicht konfiguriert");
+            return result;
+        }
+
+        // Prüfen, ob alle erforderlichen Felder vorhanden sind
+        if (isEmpty(street) || isEmpty(zip) || isEmpty(city)) {
+            result.setValidationMessage("Unvollständige Adresse");
+            return result;
+        }
+
+        try {
+            // Adressstring zusammenbauen
+            String addressString = buildAddressString(street, houseNumber, zip, city);
+            String encodedAddress = URLEncoder.encode(addressString, StandardCharsets.UTF_8);
+
+            // URL für die Geocoding API erstellen
+            String requestUrl = String.format("%s?address=%s&key=%s&language=de&region=de", GEOCODING_API_URL,
+                    encodedAddress, googleMapsApiKey);
+
+            log.debug("Validiere Adresse: {}", addressString);
+
+            // HTTP Request senden
+            HttpRequest request = HttpRequest.newBuilder().uri(URI.create(requestUrl)).GET()
+                    .timeout(Duration.ofSeconds(10)).build();
+
+            HttpResponse<String> response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
+
+            if (response.statusCode() != 200) {
+                log.error("Fehler bei der Geocoding API: HTTP {}", response.statusCode());
+                result.setValidationMessage("Fehler bei der API-Anfrage");
+                return result;
+            }
+
+            // JSON Response parsen
+            JsonNode rootNode = objectMapper.readTree(response.body());
+            String status = rootNode.path("status").asText();
+
+            if (!"OK".equals(status)) {
+                log.warn("Geocoding API Status: {} für Adresse: {}", status, addressString);
+                result.setValidationMessage("Adresse nicht gefunden: " + status);
+                return result;
+            }
+
+            // Ergebnisse extrahieren
+            JsonNode results = rootNode.path("results");
+            if (results.isEmpty()) {
+                result.setValidationMessage("Keine Ergebnisse gefunden");
+                return result;
+            }
+
+            JsonNode firstResult = results.get(0);
+            String formattedAddress = firstResult.path("formatted_address").asText();
+
+            // Geokoordinaten extrahieren
+            JsonNode geometry = firstResult.path("geometry");
+            JsonNode location = geometry.path("location");
+            double lat = location.path("lat").asDouble();
+            double lng = location.path("lng").asDouble();
+
+            // Prüfen, ob die Adresse als "ROOFTOP" (genaue Adresse) oder
+            // "RANGE_INTERPOLATED" gefunden wurde
+            String locationType = geometry.path("location_type").asText();
+            boolean isPrecise = "ROOFTOP".equals(locationType) || "RANGE_INTERPOLATED".equals(locationType);
+
+            // Adresskomponenten prüfen
+            boolean hasStreetNumber = false;
+            boolean hasPostalCode = false;
+
+            JsonNode addressComponents = firstResult.path("address_components");
+            for (JsonNode component : addressComponents) {
+                JsonNode types = component.path("types");
+                for (JsonNode type : types) {
+                    String typeStr = type.asText();
+                    if ("street_number".equals(typeStr)) {
+                        hasStreetNumber = true;
+                    } else if ("postal_code".equals(typeStr)) {
+                        hasPostalCode = true;
+                    }
+                }
+            }
+
+            // Ergebnis setzen
+            result.setValid(isPrecise && hasPostalCode);
+            result.setFormattedAddress(formattedAddress);
+            result.setLatitude(lat);
+            result.setLongitude(lng);
+
+            if (result.isValid()) {
+                result.setValidationMessage("Adresse erfolgreich validiert");
+            } else {
+                result.setValidationMessage("Adresse ungenau gefunden (keine Hausnummer oder Postleitzahl)");
+            }
+
+            log.debug("Adressvalidierung erfolgreich: {} -> {}", addressString, formattedAddress);
+
+        } catch (Exception e) {
+            log.error("Fehler bei der Adressvalidierung", e);
+            result.setValidationMessage("Fehler: " + e.getMessage());
+        }
+
+        return result;
+    }
+
+    /**
+     * Baut einen zusammenhängenden Adressstring für die API-Anfrage.
+     */
+    private String buildAddressString(String street, String houseNumber, String zip, String city) {
+        StringBuilder sb = new StringBuilder();
+        sb.append(street.trim());
+        if (!isEmpty(houseNumber)) {
+            sb.append(" ").append(houseNumber.trim());
+        }
+        sb.append(", ").append(zip.trim()).append(" ").append(city.trim());
+        sb.append(", Deutschland");
+        return sb.toString();
+    }
+
+    private boolean isEmpty(String value) {
+        return value == null || value.trim().isEmpty();
+    }
+
+    /**
+     * Berechnet die schnellste Route zwischen zwei Adressen über die Google
+     * Directions API.
+     *
+     * @param pickupResult
+     *            Validierungsergebnis der Abholadresse (muss gültige Koordinaten
+     *            enthalten)
+     * @param deliveryResult
+     *            Validierungsergebnis der Lieferadresse (muss gültige Koordinaten
+     *            enthalten)
+     * @return RouteCalculationResult mit Entfernung und Dauer
+     */
+    public RouteCalculationResult calculateRoute(AddressValidationResult pickupResult,
+            AddressValidationResult deliveryResult) {
+        RouteCalculationResult routeResult = new RouteCalculationResult();
+
+        // Prüfen, ob API-Key konfiguriert ist
+        if (googleMapsApiKey == null || googleMapsApiKey.isBlank()) {
+            log.warn("Google Maps API Key nicht konfiguriert. Routenberechnung übersprungen.");
+            routeResult.setRouteMessage("API-Key nicht konfiguriert");
+            return routeResult;
+        }
+
+        // Prüfen, ob beide Adressen gültige Koordinaten haben
+        if (pickupResult == null || !pickupResult.isValid() || deliveryResult == null || !deliveryResult.isValid()) {
+            routeResult.setRouteMessage("Beide Adressen müssen validiert sein");
+            return routeResult;
+        }
+
+        try {
+            // Koordinaten für Start und Ziel
+            String origin = String.format("%s,%s", pickupResult.getLatitude(), pickupResult.getLongitude());
+            String destination = String.format("%s,%s", deliveryResult.getLatitude(), deliveryResult.getLongitude());
+
+            // URL für die Directions API erstellen
+            String requestUrl = String.format("%s?origin=%s&destination=%s&mode=driving&key=%s&language=de&region=de",
+                    DIRECTIONS_API_URL, origin, destination, googleMapsApiKey);
+
+            log.debug("Berechne Route von {} nach {}", pickupResult.getFormattedAddress(),
+                    deliveryResult.getFormattedAddress());
+
+            // HTTP Request senden
+            HttpRequest request = HttpRequest.newBuilder().uri(URI.create(requestUrl)).GET()
+                    .timeout(Duration.ofSeconds(10)).build();
+
+            HttpResponse<String> response = httpClient.send(request, HttpResponse.BodyHandlers.ofString());
+
+            if (response.statusCode() != 200) {
+                log.error("Fehler bei der Directions API: HTTP {}", response.statusCode());
+                routeResult.setRouteMessage("Fehler bei der API-Anfrage");
+                return routeResult;
+            }
+
+            // JSON Response parsen
+            JsonNode rootNode = objectMapper.readTree(response.body());
+            String status = rootNode.path("status").asText();
+
+            if (!"OK".equals(status)) {
+                log.warn("Directions API Status: {}", status);
+                routeResult.setRouteMessage("Route konnte nicht berechnet werden: " + status);
+                return routeResult;
+            }
+
+            // Routen extrahieren
+            JsonNode routes = rootNode.path("routes");
+            if (routes.isEmpty()) {
+                routeResult.setRouteMessage("Keine Route gefunden");
+                return routeResult;
+            }
+
+            JsonNode firstRoute = routes.get(0);
+            JsonNode legs = firstRoute.path("legs");
+            if (legs.isEmpty()) {
+                routeResult.setRouteMessage("Keine Routeninformationen verfügbar");
+                return routeResult;
+            }
+
+            // Ersten Leg (Hauptstrecke) verwenden
+            JsonNode firstLeg = legs.get(0);
+
+            // Distanz extrahieren
+            JsonNode distanceNode = firstLeg.path("distance");
+            int distanceMeters = distanceNode.path("value").asInt();
+            String distanceText = distanceNode.path("text").asText();
+
+            // Dauer extrahieren
+            JsonNode durationNode = firstLeg.path("duration");
+            int durationSeconds = durationNode.path("value").asInt();
+            String durationText = durationNode.path("text").asText();
+
+            // Ergebnis setzen
+            routeResult.setValid(true);
+            routeResult.setDistanceKm(distanceMeters / 1000.0);
+            routeResult.setDurationSeconds(durationSeconds);
+            routeResult.setFormattedDistance(distanceText);
+            routeResult.setFormattedDuration(durationText);
+            routeResult.setRouteMessage(
+                    String.format("Route: %s, Dauer: %s", distanceText, routeResult.getFormattedDurationLong()));
+
+            log.debug("Routenberechnung erfolgreich: {} km, {} Min.", routeResult.getDistanceKm(),
+                    routeResult.getDurationMinutes());
+
+        } catch (Exception e) {
+            log.error("Fehler bei der Routenberechnung", e);
+            routeResult.setRouteMessage("Fehler: " + e.getMessage());
+        }
+
+        return routeResult;
+    }
+}

src/main/java/de/assecutor/votianlt/pages/view/AddJobView.java

@@ -44,6 +44,7 @@ import de.assecutor.votianlt.model.task.CommentTask;
 import de.assecutor.votianlt.pages.service.AddJobService;
 import de.assecutor.votianlt.pages.service.CustomerService;
 import de.assecutor.votianlt.pages.service.AddCustomerService;
+import de.assecutor.votianlt.pages.service.AddressValidationService;
 import de.assecutor.votianlt.model.Customer;
 import de.assecutor.votianlt.pages.service.AppUserService;
 import de.assecutor.votianlt.model.AppUser;
@@ -51,10 +52,17 @@ import de.assecutor.votianlt.pages.service.TaskTemplateService;
 import de.assecutor.votianlt.model.TaskTemplate;
 import de.assecutor.votianlt.model.User;
 import de.assecutor.votianlt.security.SecurityService;
+import de.assecutor.votianlt.model.Service;
+import de.assecutor.votianlt.repository.ServiceRepository;
+import com.vaadin.flow.component.grid.Grid;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 
 import jakarta.annotation.security.RolesAllowed;
 import lombok.extern.slf4j.Slf4j;
 import de.assecutor.votianlt.model.CargoItem;
+import de.assecutor.votianlt.model.AddressValidationResult;
+import de.assecutor.votianlt.model.RouteCalculationResult;
 import java.time.LocalDate;
 import java.util.*;
 import java.util.Objects;
@@ -73,6 +81,8 @@ public class AddJobView extends Main {
     private final AppUserService appUserService;
     private final TaskTemplateService taskTemplateService;
     private final SecurityService securityService;
+    private final ServiceRepository serviceRepository;
+    private final AddressValidationService addressValidationService;
 
     // Customer selection
     private ComboBox<String> customerSelection;
@@ -108,8 +118,12 @@ public class AddJobView extends Main {
     private Checkbox digitalProcessing;
     private ComboBox<AppUser> appUser;
 
-    // Price field
-    private TextField price;
+    // Services for the job
+    private Grid<Service> servicesGrid;
+    private final List<Service> selectedServices = new ArrayList<>();
+    private Span netTotalLabel;
+    private Span vatTotalLabel;
+    private Span grossTotalLabel;
 
     // Date picker fields for appointments
     private DatePicker pickupDate;
@@ -152,19 +166,36 @@ public class AddJobView extends Main {
     // Available app users for the current user
     private List<AppUser> availableAppUsers;
 
+    // Adressvalidierung
+    private final Map<String, AddressValidationResult> addressValidationResults = new HashMap<>();
+    private RouteCalculationResult routeCalculationResult;
+    private String lastPickupStreet = "";
+    private String lastPickupHouseNumber = "";
+    private String lastPickupZip = "";
+    private String lastPickupCity = "";
+    private String lastDeliveryStreet = "";
+    private String lastDeliveryHouseNumber = "";
+    private String lastDeliveryZip = "";
+    private String lastDeliveryCity = "";
+    private TabSheet tabSheet;
+
     public AddJobView(AddJobService addJobService, AddCustomerService addCustomerService,
             CustomerService customerService, AppUserService appUserService, TaskTemplateService taskTemplateService,
-            SecurityService securityService) {
+            SecurityService securityService, ServiceRepository serviceRepository,
+            AddressValidationService addressValidationService) {
         this.addJobService = addJobService;
         this.addCustomerService = addCustomerService;
         this.customerService = customerService;
         this.appUserService = appUserService;
         this.taskTemplateService = taskTemplateService;
         this.securityService = securityService;
+        this.serviceRepository = serviceRepository;
+        this.addressValidationService = addressValidationService;
         initializeComponents();
         setupLayout();
         setupValidation();
         loadDraftIfExists();
+        loadMandatoryServices();
     }
 
     private void initializeComponents() {
@@ -357,20 +388,7 @@ public class AddJobView extends Main {
                 user -> user.getVorname() + " " + user.getNachname() + " (" + user.getEmail() + ")");
         appUser.setPlaceholder("App-Nutzer auswählen...");
 
-        // Price field
-        price = new TextField("Preis");
-        price.setPlaceholder("Betrag eingeben");
-        price.setRequiredIndicatorVisible(true);
-
-        // Erzwinge Komma als Dezimaltrennzeichen: ersetze Punkt beim Tippen
-        price.addValueChangeListener(e -> {
-            String v = e.getValue();
-            if (v != null && v.contains(".")) {
-                String replaced = v.replace('.', ',');
-                if (!replaced.equals(v))
-                    price.setValue(replaced);
-            }
-        });
+        // Services grid will be initialized in createPriceAndSubmitTab()
         // Date picker fields for appointments
         pickupDate = new DatePicker("Datum");
         pickupDate.setRequiredIndicatorVisible(true);
@@ -412,7 +430,7 @@ public class AddJobView extends Main {
 
         // Create TabSheet for organizing the form
         // TabSheet and Tab references for dynamic label updates
-        TabSheet tabSheet = new TabSheet();
+        tabSheet = new TabSheet();
         tabSheet.setSizeFull();
 
         // Tab 1: Customer & Addresses
@@ -437,7 +455,10 @@ public class AddJobView extends Main {
         }
 
         // Tab 5: Price & Submit
-        priceTab = tabSheet.add("Preis & Abschluss", createPriceAndSubmitTab());
+        priceTab = tabSheet.add("Leistungen und Preis", createPriceAndSubmitTab());
+
+        // Tab-Wechsel-Listener für Adressvalidierung
+        tabSheet.addSelectedChangeListener(this::onTabChange);
 
         add(tabSheet);
 
@@ -573,24 +594,200 @@ public class AddJobView extends Main {
         tabContent.setSizeFull();
         tabContent.setPadding(true);
         tabContent.setSpacing(true);
-        tabContent.setDefaultHorizontalComponentAlignment(FlexComponent.Alignment.CENTER);
+        tabContent.setDefaultHorizontalComponentAlignment(FlexComponent.Alignment.STRETCH);
 
-        // Container with fixed width to center content
+        // Container with full width like other tabs
         VerticalLayout content = new VerticalLayout();
         content.setPadding(false);
         content.setSpacing(true);
-        content.setWidth("720px");
+        content.setWidthFull();
         content.setDefaultHorizontalComponentAlignment(FlexComponent.Alignment.STRETCH);
 
-        // Preis (netto) - moved from createTasksAndNotesSection
-        H3 priceTitle = new H3("Preis (netto)");
-        priceTitle.getStyle().set("margin", "0");
-        content.add(priceTitle, price);
+        // Title
+        H3 servicesTitle = new H3("Leistungen");
+        servicesTitle.getStyle().set("margin", "0");
+        content.add(servicesTitle);
+
+        // Services Grid
+        servicesGrid = new Grid<>();
+        servicesGrid.setWidthFull();
+        servicesGrid.setHeight("250px");
+        servicesGrid.setItems(selectedServices);
+
+        servicesGrid.addColumn(Service::getName).setHeader("Leistung").setSortable(true);
+        servicesGrid.addColumn(service -> {
+            if (service.getCalculationBasis() != null) {
+                return switch (service.getCalculationBasis()) {
+                case DISTANCE -> "Gefahrene Kilometer";
+                case TIME -> "Zeit";
+                case FLAT_RATE -> "Pauschal";
+                };
+            }
+            return "";
+        }).setHeader("Berechnung").setSortable(true);
+        servicesGrid.addColumn(service -> {
+            if (service.getEffectivePrice() != null) {
+                return service.getEffectivePrice().setScale(2, RoundingMode.HALF_UP) + " €";
+            }
+            return "";
+        }).setHeader("Preis").setSortable(true);
+        servicesGrid.addColumn(service -> {
+            if (service.getVatRate() != null) {
+                return service.getVatRate().multiply(new BigDecimal("100")).setScale(0, RoundingMode.HALF_UP) + " %";
+            }
+            return "";
+        }).setHeader("MwSt").setSortable(true);
+        servicesGrid.addComponentColumn(service -> {
+            Button removeButton = new Button(new Icon(VaadinIcon.TRASH));
+            removeButton.addThemeVariants(ButtonVariant.LUMO_ERROR, ButtonVariant.LUMO_TERTIARY,
+                    ButtonVariant.LUMO_SMALL);
+            removeButton.addClickListener(e -> {
+                selectedServices.remove(service);
+                servicesGrid.getDataProvider().refreshAll();
+                updatePriceSummary();
+                triggerValidation();
+                updateTabLabels();
+            });
+            return removeButton;
+        }).setHeader("Aktion").setAutoWidth(true).setFlexGrow(0);
+
+        content.add(servicesGrid);
+
+        // Add Service Button
+        Button addServiceButton = new Button("Leistung hinzufügen", new Icon(VaadinIcon.PLUS));
+        addServiceButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
+        addServiceButton.addClickListener(e -> openAddServiceDialog());
+        content.add(addServiceButton);
+
+        // Price Summary
+        VerticalLayout summaryLayout = new VerticalLayout();
+        summaryLayout.setPadding(true);
+        summaryLayout.setSpacing(true);
+        summaryLayout.getStyle().set("border", "1px solid var(--lumo-contrast-20pct)");
+        summaryLayout.getStyle().set("border-radius", "var(--lumo-border-radius-m)");
+        summaryLayout.getStyle().set("background-color", "var(--lumo-contrast-5pct)");
+        summaryLayout.setWidthFull();
+        summaryLayout.setDefaultHorizontalComponentAlignment(FlexComponent.Alignment.STRETCH);
+
+        H3 summaryTitle = new H3("Zusammenfassung");
+        summaryTitle.getStyle().set("margin", "0");
+        summaryLayout.add(summaryTitle);
+
+        // Net total
+        HorizontalLayout netRow = new HorizontalLayout();
+        netRow.setWidthFull();
+        netRow.setJustifyContentMode(FlexComponent.JustifyContentMode.BETWEEN);
+        Span netLabel = new Span("Nettosumme:");
+        netTotalLabel = new Span("0,00 €");
+        netTotalLabel.getStyle().set("font-weight", "bold");
+        netRow.add(netLabel, netTotalLabel);
+        summaryLayout.add(netRow);
+
+        // VAT total
+        HorizontalLayout vatRow = new HorizontalLayout();
+        vatRow.setWidthFull();
+        vatRow.setJustifyContentMode(FlexComponent.JustifyContentMode.BETWEEN);
+        Span vatLabel = new Span("Umsatzsteuer:");
+        vatTotalLabel = new Span("0,00 €");
+        vatTotalLabel.getStyle().set("font-weight", "bold");
+        vatRow.add(vatLabel, vatTotalLabel);
+        summaryLayout.add(vatRow);
+
+        // Gross total
+        HorizontalLayout grossRow = new HorizontalLayout();
+        grossRow.setWidthFull();
+        grossRow.setJustifyContentMode(FlexComponent.JustifyContentMode.BETWEEN);
+        Span grossLabel = new Span("Bruttosumme:");
+        grossLabel.getStyle().set("font-size", "var(--lumo-font-size-l)");
+        grossTotalLabel = new Span("0,00 €");
+        grossTotalLabel.getStyle().set("font-size", "var(--lumo-font-size-l)");
+        grossTotalLabel.getStyle().set("font-weight", "bold");
+        grossTotalLabel.getStyle().set("color", "var(--lumo-primary-text-color)");
+        grossRow.add(grossLabel, grossTotalLabel);
+        summaryLayout.add(grossRow);
+
+        content.add(summaryLayout);
 
         tabContent.add(content);
         return tabContent;
     }
 
+    private void openAddServiceDialog() {
+        Dialog dialog = new Dialog();
+        dialog.setHeaderTitle("Leistung auswählen");
+        dialog.setWidth("500px");
+
+        VerticalLayout dialogContent = new VerticalLayout();
+        dialogContent.setPadding(true);
+        dialogContent.setSpacing(true);
+
+        // Load available services for current user
+        List<Service> availableServices = serviceRepository
+                .findByUserId(securityService.getCurrentDatabaseUser().getId().toString());
+
+        ComboBox<Service> serviceCombo = new ComboBox<>("Leistung");
+        serviceCombo.setWidthFull();
+        serviceCombo.setItems(availableServices);
+        serviceCombo.setItemLabelGenerator(service -> {
+            // Only show price for FLAT_RATE services
+            if (service.getCalculationBasis() == Service.CalculationBasis.FLAT_RATE
+                    && service.getEffectivePrice() != null) {
+                return service.getName() + " (" + service.getEffectivePrice().setScale(2, RoundingMode.HALF_UP) + " €)";
+            }
+            return service.getName();
+        });
+        serviceCombo.setPlaceholder("Leistung auswählen...");
+        serviceCombo.setRequired(true);
+
+        dialogContent.add(serviceCombo);
+
+        HorizontalLayout buttonLayout = new HorizontalLayout();
+        buttonLayout.setWidthFull();
+        buttonLayout.setJustifyContentMode(FlexComponent.JustifyContentMode.END);
+        buttonLayout.setSpacing(true);
+
+        Button cancelButton = new Button("Abbrechen", e -> dialog.close());
+        cancelButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
+
+        Button addButton = new Button("Hinzufügen", e -> {
+            if (serviceCombo.getValue() != null) {
+                selectedServices.add(serviceCombo.getValue());
+                servicesGrid.getDataProvider().refreshAll();
+                updatePriceSummary();
+                triggerValidation();
+                updateTabLabels();
+                dialog.close();
+            }
+        });
+        addButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
+
+        buttonLayout.add(cancelButton, addButton);
+        dialogContent.add(buttonLayout);
+
+        dialog.add(dialogContent);
+        dialog.open();
+    }
+
+    private void updatePriceSummary() {
+        BigDecimal netTotal = BigDecimal.ZERO;
+        BigDecimal vatTotal = BigDecimal.ZERO;
+        BigDecimal grossTotal = BigDecimal.ZERO;
+
+        for (Service service : selectedServices) {
+            BigDecimal price = service.getEffectivePrice() != null ? service.getEffectivePrice() : BigDecimal.ZERO;
+            BigDecimal vatRate = service.getVatRate() != null ? service.getVatRate() : BigDecimal.ZERO;
+
+            netTotal = netTotal.add(price);
+            BigDecimal vatAmount = price.multiply(vatRate);
+            vatTotal = vatTotal.add(vatAmount);
+            grossTotal = grossTotal.add(price.add(vatAmount));
+        }
+
+        netTotalLabel.setText(netTotal.setScale(2, RoundingMode.HALF_UP).toString().replace(".", ",") + " €");
+        vatTotalLabel.setText(vatTotal.setScale(2, RoundingMode.HALF_UP).toString().replace(".", ",") + " €");
+        grossTotalLabel.setText(grossTotal.setScale(2, RoundingMode.HALF_UP).toString().replace(".", ",") + " €");
+    }
+
     private VerticalLayout createPickupSection() {
         VerticalLayout section = new VerticalLayout();
         section.setSpacing(true);
@@ -833,21 +1030,15 @@ public class AddJobView extends Main {
 
         binder.forField(deliveryCity).asRequired("").bind(Job::getDeliveryCity, Job::setDeliveryCity);
 
-        // Bind price field: Komma-Zahlen in Punkt-Zahlen umsetzen, dann nach BigDecimal
-        // konvertieren
-        binder.forField(price).withNullRepresentation("").asRequired("Preis erforderlich").withConverter((String s) -> {
-            if (s == null || s.trim().isEmpty())
-                return null;
-            String normalized = s.replace(" ", "").replace(".", "").replace(',', '.');
-            try {
-                return new java.math.BigDecimal(normalized);
-            } catch (NumberFormatException ex) {
-                throw new NumberFormatException("Ungültiger Betrag");
-            }
-        }, (java.math.BigDecimal bd) -> bd == null ? "" : bd.toString(), "Ungültiger Betrag")
-                .withValidator(value -> value != null && value.compareTo(java.math.BigDecimal.ZERO) > 0,
-                        "Der Preis muss größer als 0 sein")
-                .bind(Job::getPrice, Job::setPrice);
+        // Price is now calculated from selected services - bind to job price for
+        // storage
+        binder.forField(new com.vaadin.flow.component.textfield.TextField()).withConverter((String str) -> {
+            // Calculate total from selected services
+            BigDecimal total = selectedServices.stream()
+                    .map(svc -> svc.getEffectivePrice() != null ? svc.getEffectivePrice() : BigDecimal.ZERO)
+                    .reduce(BigDecimal.ZERO, BigDecimal::add);
+            return total;
+        }, (java.math.BigDecimal bd) -> bd == null ? "" : bd.toString()).bind(Job::getPrice, Job::setPrice);
 
         // Bind date picker fields with validation
         binder.forField(pickupDate).asRequired("")
@@ -952,7 +1143,7 @@ public class AddJobView extends Main {
         // List of all required fields
         TextField[] requiredTextFields = { pickupFirstName, pickupLastName, pickupStreet, pickupHouseNumber, pickupZip,
                 pickupCity, deliveryFirstName, deliveryLastName, deliveryStreet, deliveryHouseNumber, deliveryZip,
-                deliveryCity, price };
+                deliveryCity };
 
         // List of required date fields
         DatePicker[] requiredDateFields = { pickupDate, deliveryDate };
@@ -1078,8 +1269,8 @@ public class AddJobView extends Main {
 
     private boolean hasAppointmentValidationErrors() {
         LocalDate today = LocalDate.now();
-        return pickupDate.getValue() == null || deliveryDate.getValue() == null
-                || pickupDate.getValue().isBefore(today) || deliveryDate.getValue().isBefore(today);
+        return pickupDate.getValue() == null || deliveryDate.getValue() == null || pickupDate.getValue().isBefore(today)
+                || deliveryDate.getValue().isBefore(today);
     }
 
     private boolean hasCargoValidationErrors() {
@@ -1105,7 +1296,8 @@ public class AddJobView extends Main {
 
     private boolean hasTasksValidationErrors() {
         for (BaseTask task : tasksState) {
-            // Check if any ConfirmationTask has an empty description or buttonText (required fields)
+            // Check if any ConfirmationTask has an empty description or buttonText
+            // (required fields)
             if (task instanceof ConfirmationTask confirmationTask) {
                 String description = task.getDescription();
                 if (description == null || description.trim().isEmpty()) {
@@ -1133,7 +1325,8 @@ public class AddJobView extends Main {
     }
 
     private boolean hasPriceValidationErrors() {
-        return isFieldEmpty(price);
+        // Price tab is valid when at least one service is selected
+        return selectedServices == null || selectedServices.isEmpty();
     }
 
     private boolean isFieldEmpty(TextField field) {
@@ -1153,6 +1346,15 @@ public class AddJobView extends Main {
             if (remarkArea != null)
                 job.setRemark(remarkArea.getValue());
 
+            // Calculate price from selected services
+            BigDecimal totalPrice = selectedServices.stream()
+                    .map(s -> s.getEffectivePrice() != null ? s.getEffectivePrice() : BigDecimal.ZERO)
+                    .reduce(BigDecimal.ZERO, BigDecimal::add);
+            job.setPrice(totalPrice);
+
+            // Store selected service IDs in job (optional - if Job has serviceIds field)
+            // job.setServiceIds(selectedServices.stream().map(Service::getId).toList());
+
             // Validate all required fields using the binder
             if (binder.writeBeanIfValid(job)) {
                 // Additional validation: If digital processing is enabled, app user must be
@@ -1248,6 +1450,31 @@ public class AddJobView extends Main {
 
     // Zusammenfassungs-Helfer entfernt (Route übernimmt Darstellung)
 
+    /**
+     * Lädt verpflichtende Leistungen aus dem Leistungskatalog
+     */
+    private void loadMandatoryServices() {
+        try {
+            User currentUser = securityService.getCurrentDatabaseUser();
+            if (currentUser != null) {
+                List<Service> userServices = serviceRepository.findByUserId(currentUser.getId().toString());
+                List<Service> mandatoryServices = userServices.stream().filter(Service::isMandatory).toList();
+
+                if (!mandatoryServices.isEmpty()) {
+                    selectedServices.addAll(mandatoryServices);
+                    if (servicesGrid != null) {
+                        servicesGrid.getDataProvider().refreshAll();
+                    }
+                    updatePriceSummary();
+                    triggerValidation();
+                    updateTabLabels();
+                }
+            }
+        } catch (Exception e) {
+            log.warn("Fehler beim Laden der verpflichtenden Leistungen: {}", e.getMessage());
+        }
+    }
+
     /**
      * Lädt einen bestehenden Entwurf, falls vorhanden
      */
@@ -1591,8 +1818,12 @@ public class AddJobView extends Main {
         digitalProcessing.setValue(true);
         appUser.clear();
 
-        // Price field
-        price.clear();
+        // Clear services
+        selectedServices.clear();
+        if (servicesGrid != null) {
+            servicesGrid.getDataProvider().refreshAll();
+        }
+        updatePriceSummary();
 
         // Benutzer-Feedback
         Notification.show("Alle Felder wurden geleert", 2000, Notification.Position.BOTTOM_CENTER);
@@ -2435,4 +2666,374 @@ public class AddJobView extends Main {
         return TaskType.CONFIRMATION; // fallback
     }
 
+    // ============================================
+    // Adressvalidierung
+    // ============================================
+
+    /**
+     * Wird aufgerufen, wenn der Benutzer den Tab wechselt. Prüft, ob vom Tab
+     * "Auftraggeber & Adressen" gewechselt wird und ob die Adressen geändert
+     * wurden.
+     */
+    private void onTabChange(com.vaadin.flow.component.tabs.TabSheet.SelectedChangeEvent event) {
+        com.vaadin.flow.component.tabs.Tab previousTab = event.getPreviousTab();
+        com.vaadin.flow.component.tabs.Tab selectedTab = event.getSelectedTab();
+
+        // Nur prüfen, wenn vom Adress-Tab weg gewechselt wird
+        if (previousTab != addressesTab) {
+            return;
+        }
+
+        // Prüfen, ob Adressen geändert wurden
+        boolean pickupChanged = hasPickupAddressChanged();
+        boolean deliveryChanged = hasDeliveryAddressChanged();
+
+        if (!pickupChanged && !deliveryChanged) {
+            // Adressen nicht geändert, nichts zu tun
+            return;
+        }
+
+        // Tab-Wechsel vorübergehend verhindern, indem wir zurück zum Adress-Tab
+        // wechseln
+        // Der Dialog wird angezeigt und bei Bestätigung wird der Tab gewechselt
+        event.unregisterListener();
+        tabSheet.setSelectedTab(addressesTab);
+
+        // Validierungsdialog anzeigen
+        showAddressValidationDialog(selectedTab);
+    }
+
+    /**
+     * Prüft, ob sich die Abholadresse geändert hat.
+     */
+    private boolean hasPickupAddressChanged() {
+        String currentStreet = getValueOrEmpty(pickupStreet);
+        String currentHouseNumber = getValueOrEmpty(pickupHouseNumber);
+        String currentZip = getValueOrEmpty(pickupZip);
+        String currentCity = getValueOrEmpty(pickupCity);
+
+        boolean changed = !currentStreet.equals(lastPickupStreet) || !currentHouseNumber.equals(lastPickupHouseNumber)
+                || !currentZip.equals(lastPickupZip) || !currentCity.equals(lastPickupCity);
+
+        return changed && !currentStreet.isEmpty() && !currentZip.isEmpty() && !currentCity.isEmpty();
+    }
+
+    /**
+     * Prüft, ob sich die Lieferadresse geändert hat.
+     */
+    private boolean hasDeliveryAddressChanged() {
+        String currentStreet = getValueOrEmpty(deliveryStreet);
+        String currentHouseNumber = getValueOrEmpty(deliveryHouseNumber);
+        String currentZip = getValueOrEmpty(deliveryZip);
+        String currentCity = getValueOrEmpty(deliveryCity);
+
+        boolean changed = !currentStreet.equals(lastDeliveryStreet)
+                || !currentHouseNumber.equals(lastDeliveryHouseNumber) || !currentZip.equals(lastDeliveryZip)
+                || !currentCity.equals(lastDeliveryCity);
+
+        return changed && !currentStreet.isEmpty() && !currentZip.isEmpty() && !currentCity.isEmpty();
+    }
+
+    private String getValueOrEmpty(TextField field) {
+        return field.getValue() != null ? field.getValue().trim() : "";
+    }
+
+    /**
+     * Zeigt den Adressvalidierungsdialog an.
+     */
+    private void showAddressValidationDialog(com.vaadin.flow.component.tabs.Tab targetTab) {
+        final Dialog dialog = new Dialog();
+        dialog.setHeaderTitle("Adressen werden überprüft");
+        dialog.setWidth("500px");
+        dialog.setModal(true);
+        dialog.setCloseOnOutsideClick(false);
+        dialog.setCloseOnEsc(false);
+
+        final VerticalLayout content = new VerticalLayout();
+        content.setPadding(true);
+        content.setSpacing(true);
+
+        // Status-Labels für die Validierung
+        final Span pickupStatusLabel = new Span("Abholadresse wird überprüft...");
+        final Span deliveryStatusLabel = new Span("Lieferadresse wird überprüft...");
+
+        content.add(pickupStatusLabel, deliveryStatusLabel);
+
+        // Layout für die Ergebnisanzeige
+        final VerticalLayout resultLayout = new VerticalLayout();
+        resultLayout.setVisible(false);
+        resultLayout.setPadding(false);
+        resultLayout.setSpacing(true);
+
+        final Span pickupResultLabel = new Span();
+        final Span deliveryResultLabel = new Span();
+
+        // Route-Label für die Anzeige der berechneten Strecke
+        final Span routeResultLabel = new Span();
+        routeResultLabel.getStyle().set("font-weight", "bold");
+        routeResultLabel.getStyle().set("margin-top", "var(--lumo-space-s)");
+        routeResultLabel.setVisible(false);
+
+        resultLayout.add(pickupResultLabel, deliveryResultLabel, routeResultLabel);
+        content.add(resultLayout);
+
+        // Button-Layout (initial versteckt)
+        final HorizontalLayout buttonLayout = new HorizontalLayout();
+        buttonLayout.setWidthFull();
+        buttonLayout.setJustifyContentMode(FlexComponent.JustifyContentMode.END);
+        buttonLayout.setVisible(false);
+
+        final Button cancelButton = new Button("Zurück", e -> {
+            dialog.close();
+            // Im Adress-Tab bleiben
+        });
+        cancelButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
+
+        final Button continueButton = new Button("Trotzdem wechseln", e -> {
+            dialog.close();
+            // Zum Ziel-Tab wechseln
+            tabSheet.setSelectedTab(targetTab);
+            // Gespeicherte Adressen aktualisieren
+            saveCurrentAddresses();
+        });
+        continueButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
+
+        buttonLayout.add(cancelButton, continueButton);
+        content.add(buttonLayout);
+
+        dialog.add(content);
+        dialog.open();
+
+        // Asynchrone Validierung durchführen
+        getUI().ifPresent(ui -> {
+            // UI-Zugriff für Validierung
+            ui.access(() -> {
+                // Abholadresse validieren
+                final AddressValidationResult[] pickupResultHolder = new AddressValidationResult[1];
+                if (hasPickupAddressChanged()) {
+                    pickupResultHolder[0] = addressValidationService.validateAddress("pickup",
+                            getValueOrEmpty(pickupStreet), getValueOrEmpty(pickupHouseNumber),
+                            getValueOrEmpty(pickupZip), getValueOrEmpty(pickupCity));
+                    addressValidationResults.put("pickup", pickupResultHolder[0]);
+                }
+
+                // Lieferadresse validieren
+                final AddressValidationResult[] deliveryResultHolder = new AddressValidationResult[1];
+                if (hasDeliveryAddressChanged()) {
+                    deliveryResultHolder[0] = addressValidationService.validateAddress("delivery",
+                            getValueOrEmpty(deliveryStreet), getValueOrEmpty(deliveryHouseNumber),
+                            getValueOrEmpty(deliveryZip), getValueOrEmpty(deliveryCity));
+                    addressValidationResults.put("delivery", deliveryResultHolder[0]);
+                }
+
+                // Route berechnen, wenn beide Adressen gültig sind
+                final RouteCalculationResult[] routeResultHolder = new RouteCalculationResult[1];
+                AddressValidationResult pickup = pickupResultHolder[0];
+                AddressValidationResult delivery = deliveryResultHolder[0];
+
+                if ((pickup != null && pickup.isValid()) && (delivery != null && delivery.isValid())) {
+                    routeResultHolder[0] = addressValidationService.calculateRoute(pickup, delivery);
+                    routeCalculationResult = routeResultHolder[0];
+                } else if (pickup == null) {
+                    // Bereits validierte Abholadresse verwenden
+                    AddressValidationResult existingPickup = addressValidationResults.get("pickup");
+                    if (existingPickup != null && existingPickup.isValid() && delivery != null && delivery.isValid()) {
+                        routeResultHolder[0] = addressValidationService.calculateRoute(existingPickup, delivery);
+                        routeCalculationResult = routeResultHolder[0];
+                    }
+                } else if (delivery == null) {
+                    // Bereits validierte Lieferadresse verwenden
+                    AddressValidationResult existingDelivery = addressValidationResults.get("delivery");
+                    if (existingDelivery != null && existingDelivery.isValid() && pickup != null && pickup.isValid()) {
+                        routeResultHolder[0] = addressValidationService.calculateRoute(pickup, existingDelivery);
+                        routeCalculationResult = routeResultHolder[0];
+                    }
+                }
+
+                // UI aktualisieren
+                updateValidationDialogUI(pickup, delivery, pickupStatusLabel, deliveryStatusLabel, pickupResultLabel,
+                        deliveryResultLabel, routeResultLabel, resultLayout, buttonLayout, continueButton, targetTab);
+            });
+        });
+    }
+
+    /**
+     * Aktualisiert die UI des Validierungsdialogs mit den Ergebnissen.
+     */
+    private void updateValidationDialogUI(AddressValidationResult pickupResult, AddressValidationResult deliveryResult,
+            Span pickupStatusLabel, Span deliveryStatusLabel, Span pickupResultLabel, Span deliveryResultLabel,
+            Span routeResultLabel, VerticalLayout resultLayout, HorizontalLayout buttonLayout, Button continueButton,
+            com.vaadin.flow.component.tabs.Tab targetTab) {
+
+        boolean hasInvalidAddress = false;
+        boolean bothAddressesValid = true;
+
+        // Abholadresse anzeigen
+        if (pickupResult != null) {
+            if (pickupResult.isValid()) {
+                pickupResultLabel.setText("✓ Abholadresse: " + pickupResult.getFormattedAddress());
+                pickupResultLabel.getStyle().set("color", "var(--lumo-success-text-color)");
+            } else {
+                pickupResultLabel.setText("⚠ Abholadresse: " + pickupResult.getValidationMessage());
+                pickupResultLabel.getStyle().set("color", "var(--lumo-error-text-color)");
+                hasInvalidAddress = true;
+                bothAddressesValid = false;
+            }
+        } else {
+            pickupResultLabel.setVisible(false);
+        }
+
+        // Lieferadresse anzeigen
+        if (deliveryResult != null) {
+            if (deliveryResult.isValid()) {
+                deliveryResultLabel.setText("✓ Lieferadresse: " + deliveryResult.getFormattedAddress());
+                deliveryResultLabel.getStyle().set("color", "var(--lumo-success-text-color)");
+            } else {
+                deliveryResultLabel.setText("⚠ Lieferadresse: " + deliveryResult.getValidationMessage());
+                deliveryResultLabel.getStyle().set("color", "var(--lumo-error-text-color)");
+                hasInvalidAddress = true;
+                bothAddressesValid = false;
+            }
+        } else {
+            deliveryResultLabel.setVisible(false);
+        }
+
+        // Prüfen, ob beide Adressen insgesamt gültig sind (auch aus vorherigen
+        // Validierungen)
+        AddressValidationResult existingPickup = addressValidationResults.get("pickup");
+        AddressValidationResult existingDelivery = addressValidationResults.get("delivery");
+
+        if (pickupResult != null && !pickupResult.isValid()) {
+            bothAddressesValid = false;
+        } else if (pickupResult == null && (existingPickup == null || !existingPickup.isValid())) {
+            bothAddressesValid = false;
+        }
+
+        if (deliveryResult != null && !deliveryResult.isValid()) {
+            bothAddressesValid = false;
+        } else if (deliveryResult == null && (existingDelivery == null || !existingDelivery.isValid())) {
+            bothAddressesValid = false;
+        }
+
+        // Route anzeigen, wenn beide Adressen gültig sind
+        if (bothAddressesValid && routeCalculationResult != null && routeCalculationResult.isValid()) {
+            routeResultLabel.setText("🚛 Route: " + String.format("%.1f km", routeCalculationResult.getDistanceKm())
+                    + " (Fahrtzeit: " + routeCalculationResult.getFormattedDurationLong() + ")");
+            routeResultLabel.getStyle().set("color", "var(--lumo-primary-text-color)");
+            routeResultLabel.setVisible(true);
+        } else {
+            routeResultLabel.setVisible(false);
+        }
+
+        // Status-Labels ausblenden, Ergebnisse anzeigen
+        pickupStatusLabel.setVisible(false);
+        deliveryStatusLabel.setVisible(false);
+        resultLayout.setVisible(true);
+
+        // Farbliche Markierung der Adressfelder
+        updateAddressFieldStyles(pickupResult != null ? pickupResult : existingPickup,
+                deliveryResult != null ? deliveryResult : existingDelivery);
+
+        // Buttons anzeigen
+        buttonLayout.setVisible(true);
+
+        // Wenn beide Adressen gültig sind, direkt weiter
+        if (!hasInvalidAddress) {
+            continueButton.setText("Weiter");
+        } else {
+            continueButton.setText("Trotzdem wechseln");
+        }
+    }
+
+    /**
+     * Aktualisiert die Hintergrundfarbe der Adressfelder basierend auf dem
+     * Validierungsergebnis. Hellgrün für validierte Adressen, hellgelb für nicht
+     * validierte.
+     */
+    private void updateAddressFieldStyles(AddressValidationResult pickupResult,
+            AddressValidationResult deliveryResult) {
+        // Abholadresse - hellgrün (#90EE90) für validiert, hellgelb (#FFFACD) für nicht
+        // validiert
+        String pickupColor = (pickupResult != null && pickupResult.isValid()) ? "rgba(144, 238, 144, 0.5)" // Hellgrün
+                                                                                                           // mit
+                                                                                                           // Transparenz
+                : "rgba(255, 250, 205, 0.5)"; // Hellgelb mit Transparenz
+
+        pickupStreet.getStyle().set("--vaadin-input-field-background", pickupColor);
+        pickupHouseNumber.getStyle().set("--vaadin-input-field-background", pickupColor);
+        pickupZip.getStyle().set("--vaadin-input-field-background", pickupColor);
+        pickupCity.getStyle().set("--vaadin-input-field-background", pickupColor);
+
+        // Lieferadresse - hellgrün für validiert, hellgelb für nicht validiert
+        String deliveryColor = (deliveryResult != null && deliveryResult.isValid()) ? "rgba(144, 238, 144, 0.5)" // Hellgrün
+                                                                                                                 // mit
+                                                                                                                 // Transparenz
+                : "rgba(255, 250, 205, 0.5)"; // Hellgelb mit Transparenz
+
+        deliveryStreet.getStyle().set("--vaadin-input-field-background", deliveryColor);
+        deliveryHouseNumber.getStyle().set("--vaadin-input-field-background", deliveryColor);
+        deliveryZip.getStyle().set("--vaadin-input-field-background", deliveryColor);
+        deliveryCity.getStyle().set("--vaadin-input-field-background", deliveryColor);
+    }
+
+    /**
+     * Speichert die aktuellen Adressen als "zuletzt geprüft".
+     */
+    private void saveCurrentAddresses() {
+        lastPickupStreet = getValueOrEmpty(pickupStreet);
+        lastPickupHouseNumber = getValueOrEmpty(pickupHouseNumber);
+        lastPickupZip = getValueOrEmpty(pickupZip);
+        lastPickupCity = getValueOrEmpty(pickupCity);
+
+        lastDeliveryStreet = getValueOrEmpty(deliveryStreet);
+        lastDeliveryHouseNumber = getValueOrEmpty(deliveryHouseNumber);
+        lastDeliveryZip = getValueOrEmpty(deliveryZip);
+        lastDeliveryCity = getValueOrEmpty(deliveryCity);
+    }
+
+    /**
+     * Gibt das Validierungsergebnis für die Abholadresse zurück. Kann null sein,
+     * wenn noch keine Validierung durchgeführt wurde.
+     */
+    public AddressValidationResult getPickupAddressValidationResult() {
+        return addressValidationResults.get("pickup");
+    }
+
+    /**
+     * Gibt das Validierungsergebnis für die Lieferadresse zurück. Kann null sein,
+     * wenn noch keine Validierung durchgeführt wurde.
+     */
+    public AddressValidationResult getDeliveryAddressValidationResult() {
+        return addressValidationResults.get("delivery");
+    }
+
+    /**
+     * Gibt alle Validierungsergebnisse zurück.
+     */
+    public Map<String, AddressValidationResult> getAddressValidationResults() {
+        return new HashMap<>(addressValidationResults);
+    }
+
+    /**
+     * Gibt das Ergebnis der Routenberechnung zurück. Enthält die Entfernung in
+     * Kilometern und die Fahrtzeit, wenn beide Adressen validiert wurden.
+     *
+     * @return RouteCalculationResult oder null, wenn keine Berechnung durchgeführt
+     *         wurde
+     */
+    public RouteCalculationResult getRouteCalculationResult() {
+        return routeCalculationResult;
+    }
+
+    /**
+     * Gibt die Entfernung zwischen Abhol- und Lieferadresse in Kilometern zurück.
+     *
+     * @return Entfernung in km oder 0.0, wenn keine Berechnung durchgeführt wurde
+     */
+    public double getRouteDistanceKm() {
+        return routeCalculationResult != null && routeCalculationResult.isValid()
+                ? routeCalculationResult.getDistanceKm()
+                : 0.0;
+    }
+
 }

src/main/java/de/assecutor/votianlt/pages/view/CreateInvoiceView.java

@@ -0,0 +1,456 @@
+package de.assecutor.votianlt.pages.view;
+
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.button.ButtonVariant;
+import com.vaadin.flow.component.combobox.ComboBox;
+import com.vaadin.flow.component.grid.Grid;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.html.H3;
+import com.vaadin.flow.component.html.Span;
+import com.vaadin.flow.component.notification.Notification;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.component.textfield.IntegerField;
+import com.vaadin.flow.router.PageTitle;
+import com.vaadin.flow.router.Route;
+import com.vaadin.flow.router.BeforeEvent;
+import com.vaadin.flow.router.HasUrlParameter;
+import de.assecutor.votianlt.model.Job;
+import de.assecutor.votianlt.model.Service;
+import de.assecutor.votianlt.repository.JobRepository;
+import de.assecutor.votianlt.repository.ServiceRepository;
+import de.assecutor.votianlt.security.SecurityService;
+import jakarta.annotation.security.RolesAllowed;
+import lombok.extern.slf4j.Slf4j;
+import org.bson.types.ObjectId;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.ArrayList;
+import java.util.List;
+
+@PageTitle("Rechnung erstellen")
+@Route(value = "create_invoice", layout = de.assecutor.votianlt.pages.base.ui.view.MainLayout.class)
+@RolesAllowed({ "USER" })
+@Slf4j
+public class CreateInvoiceView extends VerticalLayout implements HasUrlParameter<String> {
+
+    private final JobRepository jobRepository;
+    private final ServiceRepository serviceRepository;
+    private final SecurityService securityService;
+
+    private Job currentJob;
+    private List<ServiceRow> gridRows = new ArrayList<>();
+    private List<Service> allUserServices;
+    private Grid<ServiceRow> servicesGrid;
+    private IntegerField kilometersField;
+    private IntegerField timeField;
+    private Div servicesSection;
+
+    /**
+     * Helper class to represent a row in the services grid
+     */
+    public static class ServiceRow {
+        private Service service;
+
+        public ServiceRow() {
+            this.service = null;
+        }
+
+        public ServiceRow(Service service) {
+            this.service = service;
+        }
+
+        public Service getService() {
+            return service;
+        }
+
+        public void setService(Service service) {
+            this.service = service;
+        }
+
+        public boolean isEmpty() {
+            return service == null;
+        }
+    }
+
+    @Autowired
+    public CreateInvoiceView(JobRepository jobRepository, ServiceRepository serviceRepository,
+            SecurityService securityService) {
+        this.jobRepository = jobRepository;
+        this.serviceRepository = serviceRepository;
+        this.securityService = securityService;
+
+        setSizeFull();
+        setPadding(true);
+        setSpacing(true);
+    }
+
+    @Override
+    public void setParameter(BeforeEvent event, String jobIdHex) {
+        try {
+            ObjectId jobId = new ObjectId(jobIdHex);
+            loadJob(jobId);
+        } catch (Exception e) {
+            log.error("Fehler beim Parsen der Job-ID: " + jobIdHex, e);
+            add(new Span("Ungültige Auftrags-ID"));
+        }
+    }
+
+    public void loadJob(ObjectId jobId) {
+        currentJob = jobRepository.findById(jobId).orElse(null);
+        if (currentJob == null) {
+            add(new Span("Auftrag nicht gefunden"));
+            return;
+        }
+
+        createInvoiceView();
+    }
+
+    private void createInvoiceView() {
+        removeAll();
+
+        // Title
+        H2 title = new H2("Rechnung erstellen für Auftrag " + currentJob.getJobNumber());
+        add(title);
+
+        // Job Details Section
+        Div jobDetailsSection = createJobDetailsSection();
+        add(jobDetailsSection);
+
+        // Performance Data Section
+        Div performanceDataSection = createPerformanceDataSection();
+        add(performanceDataSection);
+
+        // Services Selection Section
+        Div servicesSection = createServicesSelectionSection();
+        add(servicesSection);
+
+        // Summary Section
+        Div summarySection = createSummarySection();
+        add(summarySection);
+
+        // Create Invoice Button
+        Button createInvoiceButton = new Button("Rechnung erstellen");
+        createInvoiceButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
+        createInvoiceButton.addClickListener(e -> createInvoice());
+        createInvoiceButton.getStyle().set("margin-bottom", "15px");
+        add(createInvoiceButton);
+    }
+
+    private Div createJobDetailsSection() {
+        Div section = new Div();
+        section.getStyle().set("border", "1px solid var(--lumo-contrast-20pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("padding", "var(--lumo-space-m)")
+                .set("margin-bottom", "var(--lumo-space-m)").set("width", "100%").set("box-sizing", "border-box");
+
+        H3 sectionTitle = new H3("Auftragsdetails");
+        section.add(sectionTitle);
+
+        // Job information
+        VerticalLayout jobInfo = new VerticalLayout();
+        jobInfo.setSpacing(true);
+        jobInfo.setWidthFull();
+
+        jobInfo.add(new HorizontalLayout(new Span("Auftragsnummer:"), new Span(currentJob.getJobNumber())));
+        jobInfo.add(new HorizontalLayout(new Span("Kunde:"),
+                new Span(extractCompanyName(currentJob.getCustomerSelection()))));
+        jobInfo.add(new HorizontalLayout(new Span("Status:"), new Span(currentJob.getStatus().toString())));
+        jobInfo.add(new HorizontalLayout(new Span("Preis:"), new Span(currentJob.getPrice() + " €")));
+
+        section.add(jobInfo);
+        return section;
+    }
+
+    private Div createPerformanceDataSection() {
+        Div section = new Div();
+        section.getStyle().set("border", "1px solid var(--lumo-contrast-20pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("padding", "var(--lumo-space-m)")
+                .set("margin-bottom", "var(--lumo-space-m)").set("width", "100%").set("box-sizing", "border-box");
+
+        H3 sectionTitle = new H3("Leistungsdaten");
+        section.add(sectionTitle);
+
+        VerticalLayout performanceLayout = new VerticalLayout();
+        performanceLayout.setSpacing(true);
+        performanceLayout.setWidthFull();
+
+        // Kilometers field
+        HorizontalLayout kilometersLayout = new HorizontalLayout();
+        kilometersLayout.setWidthFull();
+        Span kilometersLabel = new Span("Gefahrene Kilometer:");
+        kilometersLabel.getStyle().set("width", "200px");
+        kilometersField = new IntegerField();
+        kilometersField.setWidth("150px");
+        kilometersField.setMin(0);
+        kilometersField.setValue(currentJob.getKilometersDriven() != null ? currentJob.getKilometersDriven() : 0);
+        kilometersField.addValueChangeListener(e -> updateSummarySection());
+        kilometersLayout.add(kilometersLabel, kilometersField);
+        performanceLayout.add(kilometersLayout);
+
+        // Time field (in 15-minute units)
+        HorizontalLayout timeLayout = new HorizontalLayout();
+        timeLayout.setWidthFull();
+        Span timeLabel = new Span("Arbeitszeit (15-Minuten-Einheiten):");
+        timeLabel.getStyle().set("width", "200px");
+        timeField = new IntegerField();
+        timeField.setWidth("150px");
+        timeField.setMin(0);
+        timeField.setValue(currentJob.getTimeIn15MinUnits() != null ? currentJob.getTimeIn15MinUnits() : 0);
+        timeField.addValueChangeListener(e -> updateSummarySection());
+        timeLayout.add(timeLabel, timeField);
+        performanceLayout.add(timeLayout);
+
+        section.add(performanceLayout);
+        return section;
+    }
+
+    private Div createServicesSelectionSection() {
+        servicesSection = new Div();
+        servicesSection.getStyle().set("border", "1px solid var(--lumo-contrast-20pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("padding", "var(--lumo-space-m)")
+                .set("margin-bottom", "var(--lumo-space-m)").set("width", "100%").set("box-sizing", "border-box");
+
+        H3 sectionTitle = new H3("Leistungen auswählen");
+        servicesSection.add(sectionTitle);
+
+        // Load services for current user (only once)
+        if (allUserServices == null) {
+            String currentUserId = securityService.getCurrentUserId().toHexString();
+            allUserServices = serviceRepository.findByUserId(currentUserId);
+        }
+
+        // Initialize with 2 empty rows if gridRows is empty
+        if (gridRows.isEmpty()) {
+            gridRows.add(new ServiceRow());
+            gridRows.add(new ServiceRow());
+        }
+
+        // Create grid with editable rows
+        servicesGrid = new Grid<>();
+        servicesGrid.setWidthFull();
+        servicesGrid.setAllRowsVisible(true);
+
+        // Service selection column (ComboBox)
+        servicesGrid.addComponentColumn(row -> {
+            ComboBox<Service> serviceCombo = new ComboBox<>();
+            serviceCombo.setItems(allUserServices);
+            serviceCombo.setItemLabelGenerator(Service::getName);
+            serviceCombo.setPlaceholder("Leistung auswählen...");
+            serviceCombo.setWidthFull();
+            serviceCombo.setValue(row.getService());
+
+            serviceCombo.addValueChangeListener(event -> {
+                row.setService(event.getValue());
+                // Refresh the grid to show updated calculation basis and price
+                servicesGrid.getDataProvider().refreshItem(row);
+                updateSummarySection();
+            });
+
+            return serviceCombo;
+        }).setHeader("Leistung").setAutoWidth(true).setFlexGrow(2);
+
+        // Calculation basis column
+        servicesGrid.addColumn(row -> {
+            if (row.getService() != null && row.getService().getCalculationBasis() != null) {
+                return switch (row.getService().getCalculationBasis()) {
+                case DISTANCE -> "Gefahrene Kilometer";
+                case TIME -> "Zeit";
+                case FLAT_RATE -> "Pauschal";
+                };
+            }
+            return "";
+        }).setHeader("Berechnungsgrundlage").setAutoWidth(true).setFlexGrow(1);
+
+        // Price column
+        servicesGrid.addColumn(row -> {
+            if (row.getService() != null) {
+                BigDecimal price = calculateServicePrice(row.getService());
+                if (price != null) {
+                    return price.setScale(2, RoundingMode.HALF_UP) + " €";
+                }
+            }
+            return "";
+        }).setHeader("Preis").setAutoWidth(true).setFlexGrow(1).setKey("price");
+
+        servicesGrid.setItems(gridRows);
+        servicesSection.add(servicesGrid);
+
+        // Add button to add new row
+        Button addButton = new Button("Leistung hinzufügen", e -> {
+            ServiceRow newRow = new ServiceRow();
+            gridRows.add(newRow);
+            servicesGrid.getDataProvider().refreshAll();
+        });
+        addButton.getStyle().set("margin-top", "var(--lumo-space-m)");
+        servicesSection.add(addButton);
+
+        return servicesSection;
+    }
+
+    private void refreshServicesGrid() {
+        if (servicesGrid != null) {
+            servicesGrid.getDataProvider().refreshAll();
+        }
+    }
+
+    private List<Service> getSelectedServices() {
+        return gridRows.stream().filter(row -> row.getService() != null).map(ServiceRow::getService).toList();
+    }
+
+    private Div createSummarySection() {
+        Div section = new Div();
+        section.getStyle().set("border", "1px solid var(--lumo-contrast-20pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("padding", "var(--lumo-space-m)")
+                .set("margin-bottom", "var(--lumo-space-m)").set("width", "100%").set("box-sizing", "border-box");
+
+        H3 sectionTitle = new H3("Zusammenfassung");
+        section.add(sectionTitle);
+
+        // Calculate totals
+        BigDecimal netAmount = calculateNetAmount();
+        BigDecimal vatRate = calculateAverageVatRate();
+        BigDecimal vatAmount = netAmount.multiply(vatRate);
+        BigDecimal totalAmount = netAmount.add(vatAmount);
+
+        VerticalLayout summaryInfo = new VerticalLayout();
+        summaryInfo.setSpacing(true);
+        summaryInfo.setWidthFull();
+
+        // Show only net sum, VAT sums, and total amount without individual services
+        summaryInfo.add(new HorizontalLayout(new Span("Nettosumme:"),
+                new Span(netAmount.setScale(2, RoundingMode.HALF_UP) + " €")));
+        summaryInfo
+                .add(new HorizontalLayout(
+                        new Span("Mehrwertsteuer ("
+                                + vatRate.multiply(new BigDecimal("100")).setScale(0, RoundingMode.HALF_UP) + "%):"),
+                        new Span(vatAmount.setScale(2, RoundingMode.HALF_UP) + " €")));
+        summaryInfo.add(new HorizontalLayout(new Span("Gesamtbetrag (brutto):"),
+                new Span(totalAmount.setScale(2, RoundingMode.HALF_UP) + " €")));
+
+        section.add(summaryInfo);
+        return section;
+    }
+
+    private BigDecimal calculateServicePrice(Service service) {
+        if (service.getCalculationBasis() == null) {
+            return null;
+        }
+
+        if (service.getCalculationBasis() == Service.CalculationBasis.FLAT_RATE && service.getPrice() != null) {
+            return service.getPrice();
+        } else if (service.getCalculationBasis() == Service.CalculationBasis.DISTANCE
+                && service.getPricePerKilometer() != null && kilometersField != null
+                && kilometersField.getValue() != null) {
+            BigDecimal kilometers = new BigDecimal(kilometersField.getValue());
+            return service.getPricePerKilometer().multiply(kilometers);
+        } else if (service.getCalculationBasis() == Service.CalculationBasis.TIME
+                && service.getPricePer15Minutes() != null && timeField != null && timeField.getValue() != null) {
+            BigDecimal timeUnits = new BigDecimal(timeField.getValue());
+            return service.getPricePer15Minutes().multiply(timeUnits);
+        }
+
+        return null;
+    }
+
+    private BigDecimal calculateNetAmount() {
+        BigDecimal total = BigDecimal.ZERO;
+
+        for (Service service : getSelectedServices()) {
+            if (service.getCalculationBasis() == Service.CalculationBasis.FLAT_RATE && service.getPrice() != null) {
+                total = total.add(service.getPrice());
+            } else if (service.getCalculationBasis() == Service.CalculationBasis.DISTANCE
+                    && service.getPricePerKilometer() != null && kilometersField != null
+                    && kilometersField.getValue() != null) {
+                BigDecimal kilometers = new BigDecimal(kilometersField.getValue());
+                BigDecimal serviceTotal = service.getPricePerKilometer().multiply(kilometers);
+                total = total.add(serviceTotal);
+            } else if (service.getCalculationBasis() == Service.CalculationBasis.TIME
+                    && service.getPricePer15Minutes() != null && timeField != null && timeField.getValue() != null) {
+                BigDecimal timeUnits = new BigDecimal(timeField.getValue());
+                BigDecimal serviceTotal = service.getPricePer15Minutes().multiply(timeUnits);
+                total = total.add(serviceTotal);
+            }
+        }
+
+        return total;
+    }
+
+    private BigDecimal calculateAverageVatRate() {
+        List<Service> selectedServicesList = getSelectedServices();
+        if (selectedServicesList.isEmpty()) {
+            return new BigDecimal("0.19"); // Default 19% VAT
+        }
+
+        BigDecimal totalVat = BigDecimal.ZERO;
+        int count = 0;
+
+        for (Service service : selectedServicesList) {
+            if (service.getVatRate() != null) {
+                totalVat = totalVat.add(service.getVatRate());
+                count++;
+            }
+        }
+
+        if (count > 0) {
+            return totalVat.divide(new BigDecimal(count), 4, RoundingMode.HALF_UP);
+        }
+
+        return new BigDecimal("0.19"); // Default 19% VAT
+    }
+
+    private void updateSummarySection() {
+        // Update the job with new values
+        if (kilometersField != null && kilometersField.getValue() != null) {
+            currentJob.setKilometersDriven(kilometersField.getValue());
+        }
+        if (timeField != null && timeField.getValue() != null) {
+            currentJob.setTimeIn15MinUnits(timeField.getValue());
+        }
+
+        // Refresh the services grid to update calculated prices
+        refreshServicesGrid();
+
+        // Recreate the summary section to update the values
+        int summarySectionIndex = getComponentCount() - 2; // Summary section is second to last
+        Div newSummarySection = createSummarySection();
+        remove(getComponentAt(summarySectionIndex)); // Remove old summary section
+        addComponentAtIndex(summarySectionIndex, newSummarySection); // Add new summary section
+    }
+
+    private String extractCompanyName(String customerSelection) {
+        if (customerSelection == null || customerSelection.isBlank()) {
+            return "";
+        }
+        // Format: "Firmenname | Vorname Nachname" - extrahiere nur den Firmennamen
+        int separatorIndex = customerSelection.indexOf(" | ");
+        if (separatorIndex > 0) {
+            return customerSelection.substring(0, separatorIndex).trim();
+        }
+        return customerSelection.trim();
+    }
+
+    private void createInvoice() {
+        if (getSelectedServices().isEmpty()) {
+            Notification.show("Bitte wählen Sie mindestens eine Leistung aus", 3000, Notification.Position.BOTTOM_END);
+            return;
+        }
+
+        // Save the updated job with kilometers and time
+        jobRepository.save(currentJob);
+
+        // Calculate totals for the invoice
+        BigDecimal netAmount = calculateNetAmount();
+        BigDecimal vatRate = calculateAverageVatRate();
+        BigDecimal vatAmount = netAmount.multiply(vatRate);
+        BigDecimal totalAmount = netAmount.add(vatAmount);
+
+        String message = String.format("Rechnung erstellt! Nettosumme: %s €, MwSt: %s €, Gesamt: %s €",
+                netAmount.setScale(2, RoundingMode.HALF_UP), vatAmount.setScale(2, RoundingMode.HALF_UP),
+                totalAmount.setScale(2, RoundingMode.HALF_UP));
+
+        Notification.show(message, 5000, Notification.Position.BOTTOM_END);
+    }
+}

src/main/java/de/assecutor/votianlt/pages/view/InvoiceGeneratorView.java

@@ -49,10 +49,7 @@ public class InvoiceGeneratorView extends VerticalLayout {
         setMargin(false);
         setWidth("100%");
         setHeight("100%");
-        getStyle()
-                .set("overflow", "hidden")
-                .set("box-sizing", "border-box")
-                .set("display", "flex")
+        getStyle().set("overflow", "hidden").set("box-sizing", "border-box").set("display", "flex")
                 .set("flex-direction", "column");
 
         // Hauptlayout: Links (Templates) | Mitte (Canvas) | Rechts (Eigenschaften)
@@ -66,27 +63,19 @@ public class InvoiceGeneratorView extends VerticalLayout {
         VerticalLayout leftPanel = createTemplatesPanel();
         leftPanel.setWidth("250px");
         leftPanel.setHeightFull();
-        leftPanel.getStyle()
-                .set("flex-shrink", "0")
-                .set("min-width", "250px")
-                .set("overflow", "auto");
+        leftPanel.getStyle().set("flex-shrink", "0").set("min-width", "250px").set("overflow", "auto");
 
         // Mitte: Canvas mit Konva.js
         VerticalLayout centerPanel = createCanvasPanel();
         centerPanel.setWidth("60%");
         centerPanel.setHeightFull();
-        centerPanel.getStyle()
-                .set("flex-grow", "1")
-                .set("min-width", "0");
+        centerPanel.getStyle().set("flex-grow", "1").set("min-width", "0");
 
         // Rechte Seite: Eigenschaften
         propertiesPanel = createPropertiesPanel();
         propertiesPanel.setWidth("300px");
         propertiesPanel.setHeightFull();
-        propertiesPanel.getStyle()
-                .set("flex-shrink", "0")
-                .set("min-width", "300px")
-                .set("overflow", "auto");
+        propertiesPanel.getStyle().set("flex-shrink", "0").set("min-width", "300px").set("overflow", "auto");
 
         mainLayout.add(leftPanel, centerPanel, propertiesPanel);
         mainLayout.expand(centerPanel);
@@ -96,9 +85,7 @@ public class InvoiceGeneratorView extends VerticalLayout {
         // Aktions-Buttons unter dem Canvas (fixe Höhe)
         HorizontalLayout actionLayout = createActionButtons();
         actionLayout.setHeight("60px");
-        actionLayout.getStyle()
-                .set("flex-shrink", "0")
-                .set("padding", "0 var(--lumo-space-m)");
+        actionLayout.getStyle().set("flex-shrink", "0").set("padding", "0 var(--lumo-space-m)");
         add(actionLayout);
     }
 
@@ -106,14 +93,9 @@ public class InvoiceGeneratorView extends VerticalLayout {
     protected void onAttach(AttachEvent attachEvent) {
         super.onAttach(attachEvent);
         // Register this view instance and initialize the canvas
-        getElement().executeJs(
-                "window.invoiceGeneratorView = this;" +
-                        "if (window.invoiceGenerator) {" +
-                        "  console.log('Initializing invoice generator...');" +
-                        "  window.invoiceGenerator.init();" +
-                        "} else {" +
-                        "  console.error('Invoice generator not found');" +
-                        "}");
+        getElement().executeJs("window.invoiceGeneratorView = this;" + "if (window.invoiceGenerator) {"
+                + "  console.log('Initializing invoice generator...');" + "  window.invoiceGenerator.init();"
+                + "} else {" + "  console.error('Invoice generator not found');" + "}");
     }
 
     private VerticalLayout createTemplatesPanel() {
@@ -121,15 +103,11 @@ public class InvoiceGeneratorView extends VerticalLayout {
         panel.setPadding(true);
         panel.setSpacing(true);
         panel.setHeightFull();
-        panel.getStyle()
-                .set("background-color", "var(--lumo-contrast-5pct)")
-                .set("border-radius", "var(--lumo-border-radius-m)")
-                .set("overflow", "auto");
+        panel.getStyle().set("background-color", "var(--lumo-contrast-5pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("overflow", "auto");
 
         Span header = new Span("Textbausteine");
-        header.getStyle()
-                .set("font-weight", "bold")
-                .set("font-size", "var(--lumo-font-size-l)");
+        header.getStyle().set("font-weight", "bold").set("font-size", "var(--lumo-font-size-l)");
 
         // Draggable Templates
         Div textBlock = createDraggableTemplate("Textfeld", VaadinIcon.TEXT_LABEL, "text");
@@ -150,17 +128,10 @@ public class InvoiceGeneratorView extends VerticalLayout {
     private Div createDraggableTemplate(String label, VaadinIcon icon, String type) {
         Div template = new Div();
         template.setText(label);
-        template.getStyle()
-                .set("padding", "var(--lumo-space-m)")
-                .set("margin", "var(--lumo-space-xs) 0")
-                .set("background-color", "var(--lumo-base-color)")
-                .set("border", "1px solid var(--lumo-contrast-20pct)")
-                .set("border-radius", "var(--lumo-border-radius-m)")
-                .set("cursor", "grab")
-                .set("display", "flex")
-                .set("align-items", "center")
-                .set("gap", "var(--lumo-space-s)")
-                .set("user-select", "none");
+        template.getStyle().set("padding", "var(--lumo-space-m)").set("margin", "var(--lumo-space-xs) 0")
+                .set("background-color", "var(--lumo-base-color)").set("border", "1px solid var(--lumo-contrast-20pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("cursor", "grab").set("display", "flex")
+                .set("align-items", "center").set("gap", "var(--lumo-space-s)").set("user-select", "none");
 
         // Icon hinzufügen
         Icon templateIcon = icon.create();
@@ -173,15 +144,12 @@ public class InvoiceGeneratorView extends VerticalLayout {
         template.getElement().setAttribute("data-template-label", label);
 
         // JavaScript Event Listener für Drag Start
-        template.getElement().executeJs(
-                "this.addEventListener('dragstart', function(e) {" +
-                        "  e.dataTransfer.setData('template-type', this.getAttribute('data-template-type'));" +
-                        "  e.dataTransfer.setData('template-label', this.getAttribute('data-template-label'));" +
-                        "  this.style.opacity = '0.5';" +
-                        "});" +
-                        "this.addEventListener('dragend', function(e) {" +
-                        "  this.style.opacity = '1';" +
-                        "});");
+        template.getElement()
+                .executeJs("this.addEventListener('dragstart', function(e) {"
+                        + "  e.dataTransfer.setData('template-type', this.getAttribute('data-template-type'));"
+                        + "  e.dataTransfer.setData('template-label', this.getAttribute('data-template-label'));"
+                        + "  this.style.opacity = '0.5';" + "});" + "this.addEventListener('dragend', function(e) {"
+                        + "  this.style.opacity = '1';" + "});");
 
         return template;
     }
@@ -197,37 +165,26 @@ public class InvoiceGeneratorView extends VerticalLayout {
         canvasContainer.setId("invoice-canvas-container");
         canvasContainer.setWidth("100%");
         canvasContainer.setHeight("100%");
-        canvasContainer.getStyle()
-                .set("background-color", "#e8e8e8")
+        canvasContainer.getStyle().set("background-color", "#e8e8e8")
                 .set("border", "2px dashed var(--lumo-contrast-30pct)")
-                .set("border-radius", "var(--lumo-border-radius-m)")
-                .set("position", "relative")
-                .set("overflow", "hidden")
-                .set("cursor", "default");
+                .set("border-radius", "var(--lumo-border-radius-m)").set("position", "relative")
+                .set("overflow", "hidden").set("cursor", "default");
 
         // Drop Zone Event Listener
-        canvasContainer.getElement().executeJs(
-                "var container = this;" +
-                        "container.addEventListener('dragover', function(e) {" +
-                        "  e.preventDefault();" +
-                        "  e.dataTransfer.dropEffect = 'copy';" +
-                        "  container.style.borderColor = 'var(--lumo-primary-color)';" +
-                        "});" +
-                        "container.addEventListener('dragleave', function(e) {" +
-                        "  container.style.borderColor = 'var(--lumo-contrast-30pct)';" +
-                        "});" +
-                        "container.addEventListener('drop', function(e) {" +
-                        "  e.preventDefault();" +
-                        "  container.style.borderColor = 'var(--lumo-contrast-30pct)';" +
-                        "  var templateType = e.dataTransfer.getData('template-type');" +
-                        "  var templateLabel = e.dataTransfer.getData('template-label');" +
-                        "  if (templateType && window.invoiceGenerator) {" +
-                        "    var rect = container.getBoundingClientRect();" +
-                        "    var x = e.clientX - rect.left;" +
-                        "    var y = e.clientY - rect.top;" +
-                        "    window.invoiceGenerator.addElement(templateType, templateLabel, x, y);" +
-                        "  }" +
-                        "});");
+        canvasContainer.getElement()
+                .executeJs("var container = this;" + "container.addEventListener('dragover', function(e) {"
+                        + "  e.preventDefault();" + "  e.dataTransfer.dropEffect = 'copy';"
+                        + "  container.style.borderColor = 'var(--lumo-primary-color)';" + "});"
+                        + "container.addEventListener('dragleave', function(e) {"
+                        + "  container.style.borderColor = 'var(--lumo-contrast-30pct)';" + "});"
+                        + "container.addEventListener('drop', function(e) {" + "  e.preventDefault();"
+                        + "  container.style.borderColor = 'var(--lumo-contrast-30pct)';"
+                        + "  var templateType = e.dataTransfer.getData('template-type');"
+                        + "  var templateLabel = e.dataTransfer.getData('template-label');"
+                        + "  if (templateType && window.invoiceGenerator) {"
+                        + "    var rect = container.getBoundingClientRect();" + "    var x = e.clientX - rect.left;"
+                        + "    var y = e.clientY - rect.top;"
+                        + "    window.invoiceGenerator.addElement(templateType, templateLabel, x, y);" + "  }" + "});");
 
         panel.add(canvasContainer);
         panel.expand(canvasContainer);
@@ -240,22 +197,17 @@ public class InvoiceGeneratorView extends VerticalLayout {
         panel.setPadding(true);
         panel.setSpacing(true);
         panel.setHeightFull();
-        panel.getStyle()
-                .set("background-color", "var(--lumo-contrast-5pct)")
-                .set("border-radius", "var(--lumo-border-radius-m)")
-                .set("overflow", "auto");
+        panel.getStyle().set("background-color", "var(--lumo-contrast-5pct)")
+                .set("border-radius", "var(--lumo-border-radius-m)").set("overflow", "auto");
 
         Span header = new Span("Eigenschaften");
-        header.getStyle()
-                .set("font-weight", "bold")
-                .set("font-size", "var(--lumo-font-size-l)");
+        header.getStyle().set("font-weight", "bold").set("font-size", "var(--lumo-font-size-l)");
 
         // Info-Text wenn kein Element ausgewählt
         selectedElementInfo = new Div();
         selectedElementInfo.setText("Klicken Sie auf ein Element im Canvas, um dessen Eigenschaften zu bearbeiten.");
-        selectedElementInfo.getStyle()
-                .set("color", "var(--lumo-secondary-text-color)")
-                .set("font-size", "var(--lumo-font-size-s)");
+        selectedElementInfo.getStyle().set("color", "var(--lumo-secondary-text-color)").set("font-size",
+                "var(--lumo-font-size-s)");
 
         panel.add(header, selectedElementInfo);
 
@@ -362,36 +314,29 @@ public class InvoiceGeneratorView extends VerticalLayout {
         Div pdfContainer = new Div();
         pdfContainer.setWidth("100%");
         pdfContainer.setHeight("100%");
-        pdfContainer.getStyle()
-                .set("display", "flex")
-                .set("flex-direction", "column")
-                .set("overflow", "hidden");
+        pdfContainer.getStyle().set("display", "flex").set("flex-direction", "column").set("overflow", "hidden");
 
         // Use an iframe with data URL for PDF display
         String base64Pdf = java.util.Base64.getEncoder().encodeToString(pdfBytes);
         String dataUrl = "data:application/pdf;base64," + base64Pdf;
-        
+
         IFrame pdfFrame = new IFrame();
         pdfFrame.setWidth("100%");
         pdfFrame.setHeight("100%");
         pdfFrame.getElement().setAttribute("src", dataUrl);
-        pdfFrame.getStyle()
-                .set("border", "none")
-                .set("flex-grow", "1");
+        pdfFrame.getStyle().set("border", "none").set("flex-grow", "1");
 
         pdfContainer.add(pdfFrame);
 
         // Close button
         Button closeButton = new Button("Schließen", e -> pdfDialog.close());
         closeButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
-        
+
         // Download button
         Button downloadButton = new Button("Herunterladen", e -> {
-            getElement().executeJs(
-                "const link = document.createElement('a');" +
-                "link.href = 'data:application/pdf;base64," + base64Pdf + "';" +
-                "link.download = 'vorschau.pdf';" +
-                "link.click();");
+            getElement()
+                    .executeJs("const link = document.createElement('a');" + "link.href = 'data:application/pdf;base64,"
+                            + base64Pdf + "';" + "link.download = 'vorschau.pdf';" + "link.click();");
         });
         downloadButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
 
@@ -412,9 +357,7 @@ public class InvoiceGeneratorView extends VerticalLayout {
             propertiesPanel.removeAll();
 
             Span header = new Span("Eigenschaften");
-            header.getStyle()
-                    .set("font-weight", "bold")
-                    .set("font-size", "var(--lumo-font-size-l)");
+            header.getStyle().set("font-weight", "bold").set("font-size", "var(--lumo-font-size-l)");
 
             // Element Typ Anzeige
             Span typeLabel = new Span("Typ: " + elementType);
@@ -430,7 +373,7 @@ public class InvoiceGeneratorView extends VerticalLayout {
                 upload.setMaxFileSize(5 * 1024 * 1024); // 5 MB
                 upload.setDropLabel(new Span("Bild hierher ziehen oder klicken"));
                 upload.setWidthFull();
-                
+
                 upload.addSucceededListener(event -> {
                     try {
                         // Bild als Base64 kodieren
@@ -438,22 +381,21 @@ public class InvoiceGeneratorView extends VerticalLayout {
                         String base64 = java.util.Base64.getEncoder().encodeToString(bytes);
                         String mimeType = event.getMIMEType();
                         String dataUrl = "data:" + mimeType + ";base64," + base64;
-                        
+
                         // An JavaScript übergeben
-                        getElement().executeJs(
-                                "if (window.invoiceGenerator) { window.invoiceGenerator.updateElementImage('" 
-                                        + elementId + "', $0); }",
-                                dataUrl);
+                        getElement()
+                                .executeJs("if (window.invoiceGenerator) { window.invoiceGenerator.updateElementImage('"
+                                        + elementId + "', $0); }", dataUrl);
                         showNotification("Bild erfolgreich hochgeladen");
                     } catch (Exception ex) {
                         showNotification("Fehler beim Hochladen: " + ex.getMessage());
                     }
                 });
-                
+
                 upload.addFileRejectedListener(event -> {
                     showNotification("Datei abgelehnt: " + event.getErrorMessage());
                 });
-                
+
                 propertiesPanel.add(upload);
             }
 
@@ -463,10 +405,8 @@ public class InvoiceGeneratorView extends VerticalLayout {
                 textField.setValue(text != null ? text : "");
                 textField.setWidthFull();
                 textField.addValueChangeListener(e -> {
-                    getElement().executeJs(
-                            "if (window.invoiceGenerator) { window.invoiceGenerator.updateElementText('" + elementId
-                                    + "', $0); }",
-                            e.getValue());
+                    getElement().executeJs("if (window.invoiceGenerator) { window.invoiceGenerator.updateElementText('"
+                            + elementId + "', $0); }", e.getValue());
                 });
                 propertiesPanel.add(textField);
             }
@@ -478,10 +418,9 @@ public class InvoiceGeneratorView extends VerticalLayout {
             xField.addValueChangeListener(e -> {
                 try {
                     double newX = Double.parseDouble(e.getValue());
-                    getElement().executeJs(
-                            "if (window.invoiceGenerator) { window.invoiceGenerator.updateElementPosition('" + elementId
-                                    + "', $0, null); }",
-                            newX);
+                    getElement()
+                            .executeJs("if (window.invoiceGenerator) { window.invoiceGenerator.updateElementPosition('"
+                                    + elementId + "', $0, null); }", newX);
                 } catch (NumberFormatException ignored) {
                 }
             });
@@ -494,10 +433,9 @@ public class InvoiceGeneratorView extends VerticalLayout {
             yField.addValueChangeListener(e -> {
                 try {
                     double newY = Double.parseDouble(e.getValue());
-                    getElement().executeJs(
-                            "if (window.invoiceGenerator) { window.invoiceGenerator.updateElementPosition('" + elementId
-                                    + "', null, $0); }",
-                            newY);
+                    getElement()
+                            .executeJs("if (window.invoiceGenerator) { window.invoiceGenerator.updateElementPosition('"
+                                    + elementId + "', null, $0); }", newY);
                 } catch (NumberFormatException ignored) {
                 }
             });
@@ -524,69 +462,61 @@ public class InvoiceGeneratorView extends VerticalLayout {
                 Span colorLabel = new Span("Schriftfarbe");
                 colorLabel.getStyle().set("font-size", "var(--lumo-font-size-s)");
                 propertiesPanel.add(colorLabel);
-                
+
                 // Aktuelle Farbe anzeigen und klickbar machen
                 String currentColor = color != null ? color : "#333333";
-                
+
                 HorizontalLayout colorPreviewLayout = new HorizontalLayout();
                 colorPreviewLayout.setSpacing(true);
                 colorPreviewLayout.setAlignItems(Alignment.CENTER);
                 colorPreviewLayout.setWidthFull();
                 colorPreviewLayout.getStyle().set("cursor", "pointer");
-                
+
                 // Farbvorschau-Box
                 Div colorPreview = new Div();
-                colorPreview.getStyle()
-                        .set("width", "40px")
-                        .set("height", "30px")
-                        .set("background-color", currentColor)
+                colorPreview.getStyle().set("width", "40px").set("height", "30px").set("background-color", currentColor)
                         .set("border", "1px solid var(--lumo-contrast-30pct)")
                         .set("border-radius", "var(--lumo-border-radius-m)");
-                
+
                 Span colorHexLabel = new Span(currentColor);
-                colorHexLabel.getStyle()
-                        .set("font-family", "monospace")
-                        .set("font-size", "var(--lumo-font-size-s)");
-                
+                colorHexLabel.getStyle().set("font-family", "monospace").set("font-size", "var(--lumo-font-size-s)");
+
                 colorPreviewLayout.add(colorPreview, colorHexLabel);
-                
+
                 // Color Picker Dialog
                 Dialog colorDialog = new Dialog();
                 colorDialog.setHeaderTitle("Schriftfarbe wählen");
-                
+
                 VerticalLayout dialogLayout = new VerticalLayout();
                 dialogLayout.setSpacing(true);
                 dialogLayout.setPadding(true);
-                
+
                 // Color Picker im Dialog
                 Input dialogColorPicker = new Input();
                 dialogColorPicker.setType("color");
                 dialogColorPicker.setValue(currentColor);
-                dialogColorPicker.getStyle()
-                        .set("width", "100%")
-                        .set("height", "50px")
-                        .set("padding", "0");
-                
+                dialogColorPicker.getStyle().set("width", "100%").set("height", "50px").set("padding", "0");
+
                 // Hex-Eingabe im Dialog
                 TextField dialogHexField = new TextField("Hex-Farbwert");
                 dialogHexField.setValue(currentColor);
                 dialogHexField.setWidthFull();
-                
+
                 // Sync zwischen Color Picker und Hex-Feld
                 dialogColorPicker.addValueChangeListener(e -> {
                     dialogHexField.setValue(e.getValue());
                 });
-                
+
                 dialogHexField.addValueChangeListener(e -> {
                     String newColor = e.getValue();
                     if (newColor.matches("^#[0-9A-Fa-f]{6}$")) {
                         dialogColorPicker.setValue(newColor);
                     }
                 });
-                
+
                 dialogLayout.add(dialogColorPicker, dialogHexField);
                 colorDialog.add(dialogLayout);
-                
+
                 // Dialog Buttons
                 Button dialogCancelButton = new Button("Abbrechen", e -> {
                     colorDialog.close();
@@ -595,24 +525,22 @@ public class InvoiceGeneratorView extends VerticalLayout {
                     dialogHexField.setValue(currentColor);
                 });
                 dialogCancelButton.addThemeVariants(ButtonVariant.LUMO_TERTIARY);
-                
+
                 Button dialogApplyButton = new Button("Übernehmen", e -> {
                     String newColor = dialogColorPicker.getValue();
                     // Update preview
                     colorPreview.getStyle().set("background-color", newColor);
                     colorHexLabel.setText(newColor);
                     // Apply to element
-                    getElement().executeJs(
-                            "if (window.invoiceGenerator) { window.invoiceGenerator.updateElementColor('"
-                                    + elementId + "', $0); }",
-                            newColor);
+                    getElement().executeJs("if (window.invoiceGenerator) { window.invoiceGenerator.updateElementColor('"
+                            + elementId + "', $0); }", newColor);
                     colorDialog.close();
                     showNotification("Farbe übernommen");
                 });
                 dialogApplyButton.addThemeVariants(ButtonVariant.LUMO_PRIMARY);
-                
+
                 colorDialog.getFooter().add(dialogCancelButton, dialogApplyButton);
-                
+
                 // Öffne Dialog beim Klick auf die Vorschau
                 Runnable openColorDialog = () -> {
                     // Aktualisiere Dialog mit aktuellem Wert
@@ -621,11 +549,11 @@ public class InvoiceGeneratorView extends VerticalLayout {
                     dialogHexField.setValue(actualColor);
                     colorDialog.open();
                 };
-                
+
                 colorPreviewLayout.addClickListener(e -> openColorDialog.run());
                 colorPreview.addClickListener(e -> openColorDialog.run());
                 colorHexLabel.addClickListener(e -> openColorDialog.run());
-                
+
                 propertiesPanel.add(colorPreviewLayout);
             }
 
@@ -635,8 +563,7 @@ public class InvoiceGeneratorView extends VerticalLayout {
             deleteButton.setWidthFull();
             deleteButton.addClickListener(e -> {
                 getElement().executeJs(
-                        "if (window.invoiceGenerator) { window.invoiceGenerator.deleteElement('" + elementId
-                                + "'); }");
+                        "if (window.invoiceGenerator) { window.invoiceGenerator.deleteElement('" + elementId + "'); }");
                 resetPropertiesPanel();
             });
             propertiesPanel.add(deleteButton);
@@ -652,15 +579,13 @@ public class InvoiceGeneratorView extends VerticalLayout {
             propertiesPanel.removeAll();
 
             Span header = new Span("Eigenschaften");
-            header.getStyle()
-                    .set("font-weight", "bold")
-                    .set("font-size", "var(--lumo-font-size-l)");
+            header.getStyle().set("font-weight", "bold").set("font-size", "var(--lumo-font-size-l)");
 
             selectedElementInfo = new Div();
-            selectedElementInfo.setText("Klicken Sie auf ein Element im Canvas, um dessen Eigenschaften zu bearbeiten.");
-            selectedElementInfo.getStyle()
-                    .set("color", "var(--lumo-secondary-text-color)")
-                    .set("font-size", "var(--lumo-font-size-s)");
+            selectedElementInfo
+                    .setText("Klicken Sie auf ein Element im Canvas, um dessen Eigenschaften zu bearbeiten.");
+            selectedElementInfo.getStyle().set("color", "var(--lumo-secondary-text-color)").set("font-size",
+                    "var(--lumo-font-size-s)");
 
             propertiesPanel.add(header, selectedElementInfo);
         }));

src/main/java/de/assecutor/votianlt/pages/view/MessagesView.java

@@ -341,17 +341,13 @@ public class MessagesView extends Main {
     }
 
     private void requestBrowserPermissions(UI ui) {
-        ui.getPage().executeJs(
-                "if ('Notification' in window && Notification.permission === 'default') {"
-                        + "  Notification.requestPermission();"
-                        + "}"
-                        + "if (!window._votianAudioCtx) {"
+        ui.getPage()
+                .executeJs("if ('Notification' in window && Notification.permission === 'default') {"
+                        + "  Notification.requestPermission();" + "}" + "if (!window._votianAudioCtx) {"
                         + "  window._votianAudioCtx = new (window.AudioContext || window.webkitAudioContext)();"
                         + "  document.addEventListener('click', function _resumeAudio() {"
                         + "    window._votianAudioCtx.resume();"
-                        + "    document.removeEventListener('click', _resumeAudio);"
-                        + "  }, { once: true });"
-                        + "}");
+                        + "    document.removeEventListener('click', _resumeAudio);" + "  }, { once: true });" + "}");
     }
 
     @Override
@@ -377,27 +373,18 @@ public class MessagesView extends Main {
             String preview = resolvePreview(message);
 
             // Play notification sound
-            ui.getPage().executeJs(
-                    "try {"
-                            + "  const ctx = new (window.AudioContext || window.webkitAudioContext)();"
-                            + "  ctx.resume().then(() => {"
-                            + "    const osc = ctx.createOscillator();"
-                            + "    const gain = ctx.createGain();"
-                            + "    osc.connect(gain);"
-                            + "    gain.connect(ctx.destination);"
-                            + "    osc.frequency.value = 800;"
-                            + "    osc.type = 'sine';"
-                            + "    gain.gain.setValueAtTime(0.3, ctx.currentTime);"
+            ui.getPage()
+                    .executeJs("try {" + "  const ctx = new (window.AudioContext || window.webkitAudioContext)();"
+                            + "  ctx.resume().then(() => {" + "    const osc = ctx.createOscillator();"
+                            + "    const gain = ctx.createGain();" + "    osc.connect(gain);"
+                            + "    gain.connect(ctx.destination);" + "    osc.frequency.value = 800;"
+                            + "    osc.type = 'sine';" + "    gain.gain.setValueAtTime(0.3, ctx.currentTime);"
                             + "    gain.gain.exponentialRampToValueAtTime(0.01, ctx.currentTime + 0.5);"
-                            + "    osc.start(ctx.currentTime);"
-                            + "    osc.stop(ctx.currentTime + 0.5);"
-                            + "  });"
+                            + "    osc.start(ctx.currentTime);" + "    osc.stop(ctx.currentTime + 0.5);" + "  });"
                             + "} catch(e) { console.warn('Notification sound failed:', e); }");
 
             // Show notification
-            Notification notification = Notification.show(
-                    "Neue Nachricht von " + senderName + ": " + preview,
-                    4000,
+            Notification notification = Notification.show("Neue Nachricht von " + senderName + ": " + preview, 4000,
                     Notification.Position.TOP_END);
             notification.addThemeVariants(NotificationVariant.LUMO_PRIMARY);
 
@@ -410,12 +397,8 @@ public class MessagesView extends Main {
             return "Unbekannt";
         }
         List<AppUser> appUsers = cachedAppUsers != null ? cachedAppUsers : List.of();
-        return appUsers.stream()
-                .filter(user -> clientId.equals(user.getIdAsString())
-                        || clientId.equals(user.getEmail())
-                        || clientId.equals(user.getAppCode()))
-                .findFirst()
-                .map(this::buildClientName)
-                .orElse(clientId);
+        return appUsers.stream().filter(user -> clientId.equals(user.getIdAsString())
+                || clientId.equals(user.getEmail()) || clientId.equals(user.getAppCode())).findFirst()
+                .map(this::buildClientName).orElse(clientId);
     }
 }

src/main/java/de/assecutor/votianlt/pages/view/ShowJobsView.java

@@ -107,7 +107,8 @@ public class ShowJobsView extends VerticalLayout {
         grid.addColumn(job -> extractCompanyName(job.getCustomerSelection())).setHeader("Auftraggeber")
                 .setAutoWidth(true).setFlexGrow(1).setSortable(true);
         grid.addColumn(Job::getJobNumber).setHeader("Auftragsnummer").setAutoWidth(true).setSortable(true);
-        grid.addColumn(job -> DateTimeFormatUtil.formatDateTime(job.getCreatedAt())).setHeader("Auftragsdatum").setAutoWidth(true).setSortable(true);
+        grid.addColumn(job -> DateTimeFormatUtil.formatDateTime(job.getCreatedAt())).setHeader("Auftragsdatum")
+                .setAutoWidth(true).setSortable(true);
         grid.addColumn(Job::getDeliveryCity).setHeader("Zielort").setAutoWidth(true).setFlexGrow(1).setSortable(true);
 
         // Action column: manual completion for jobs without digital processing
@@ -126,8 +127,27 @@ public class ShowJobsView extends VerticalLayout {
             return new com.vaadin.flow.component.html.Span();
         }).setHeader("").setAutoWidth(true).setFlexGrow(0);
 
+        // Invoice column - only show for completed jobs
+        grid.addComponentColumn(job -> {
+            if (job.getStatus() == JobStatus.COMPLETED) {
+                Button invoiceBtn = new Button(new Icon(VaadinIcon.DOLLAR));
+                invoiceBtn.addThemeVariants(ButtonVariant.LUMO_TERTIARY, ButtonVariant.LUMO_SUCCESS);
+                invoiceBtn.setTooltipText("Rechnung erstellen");
+                invoiceBtn.addClickListener(e -> {
+                    e.getSource().getElement().getNode(); // prevent row click
+                    getUI().ifPresent(ui -> ui.navigate("create_invoice/" + job.getId().toHexString()));
+                });
+                return invoiceBtn;
+            }
+            return new com.vaadin.flow.component.html.Span();
+        }).setHeader("").setWidth("60px").setFlexGrow(0);
+
         // Delete column (last column, right side)
         grid.addComponentColumn(job -> {
+            if (job.getStatus() == JobStatus.COMPLETED || job.getStatus() == JobStatus.CANCELLED
+                    || job.getStatus() == JobStatus.DELIVERED) {
+                return new com.vaadin.flow.component.html.Span(); // No delete button for completed jobs
+            }
             Button deleteBtn = new Button(new Icon(VaadinIcon.TRASH));
             deleteBtn.addThemeVariants(ButtonVariant.LUMO_TERTIARY, ButtonVariant.LUMO_ERROR);
             deleteBtn.setTooltipText("Auftrag löschen");
@@ -187,7 +207,8 @@ public class ShowJobsView extends VerticalLayout {
     private void showDeleteJobDialog(Job job) {
         ConfirmDialog dialog = new ConfirmDialog();
         dialog.setHeader("Auftrag löschen");
-        dialog.setText("Möchten Sie den Auftrag " + job.getJobNumber() + " wirklich löschen? Diese Aktion kann nicht rückgängig gemacht werden.");
+        dialog.setText("Möchten Sie den Auftrag " + job.getJobNumber()
+                + " wirklich löschen? Diese Aktion kann nicht rückgängig gemacht werden.");
         dialog.setCancelable(true);
         dialog.setCancelText("Abbrechen");
         dialog.setConfirmText("Löschen");
@@ -224,11 +245,8 @@ public class ShowJobsView extends VerticalLayout {
             return;
         }
 
-        Map<String, Object> payload = Map.of(
-                "type", "job_deleted",
-                "jobId", job.getId().toHexString(),
-                "jobNumber", job.getJobNumber() != null ? job.getJobNumber() : "",
-                "deletedAt", LocalDateTime.now().toString());
+        Map<String, Object> payload = Map.of("type", "job_deleted", "jobId", job.getId().toHexString(), "jobNumber",
+                job.getJobNumber() != null ? job.getJobNumber() : "", "deletedAt", LocalDateTime.now().toString());
 
         log.info("[JOB] Sending job_deleted to {}: {}", appUserId, payload);
         messagingPublisher.publishAsJson(appUserId, "job_deleted", payload);

src/main/java/de/assecutor/votianlt/pages/view/StartView.java

@@ -225,7 +225,7 @@ public class StartView extends VerticalLayout implements BeforeEnterObserver {
         featuresGrid.setWidthFull();
         featuresGrid.setSpacing(true);
         featuresGrid.setJustifyContentMode(FlexComponent.JustifyContentMode.CENTER);
-        featuresGrid.setDefaultVerticalComponentAlignment(FlexComponent.Alignment.START);
+        featuresGrid.setDefaultVerticalComponentAlignment(FlexComponent.Alignment.STRETCH);
 
         // Feature Cards
         featuresGrid.add(createFeatureCard(VaadinIcon.COG, "Einrichtungsassistent",
@@ -249,6 +249,7 @@ public class StartView extends VerticalLayout implements BeforeEnterObserver {
         card.getStyle().set("background-color", "var(--lumo-base-color)");
         card.getStyle().set("box-shadow", "var(--lumo-box-shadow-xs)");
         card.setWidth("300px");
+        card.setHeightFull();
 
         Icon icon = iconType.create();
         icon.setSize("48px");

src/main/java/de/assecutor/votianlt/repository/InvoiceTemplateRepository.java

@@ -8,17 +8,17 @@ import java.util.Optional;
 
 @Repository
 public interface InvoiceTemplateRepository extends MongoRepository<InvoiceTemplate, String> {
-    
+
     /**
      * Find the invoice template for a specific user
      */
     Optional<InvoiceTemplate> findByUserId(String userId);
-    
+
     /**
      * Check if a template exists for a user
      */
     boolean existsByUserId(String userId);
-    
+
     /**
      * Delete the template for a user
      */

src/main/java/de/assecutor/votianlt/repository/ServiceRepository.java

@@ -0,0 +1,13 @@
+package de.assecutor.votianlt.repository;
+
+import de.assecutor.votianlt.model.Service;
+import org.springframework.data.mongodb.repository.MongoRepository;
+import org.springframework.stereotype.Repository;
+import java.util.List;
+
+@Repository
+public interface ServiceRepository extends MongoRepository<Service, String> {
+    List<Service> findByUserId(String userId);
+
+    void deleteByUserId(String userId);
+}

src/main/java/de/assecutor/votianlt/security/SecurityConfig.java

@@ -27,8 +27,7 @@ public class SecurityConfig extends VaadinWebSecurity {
                         new AntPathRequestMatcher("/frontend/**"), new AntPathRequestMatcher("/webjars/**"),
                         new AntPathRequestMatcher("/h2-console/**"),
                         new AntPathRequestMatcher("/frontend-es5/**", "/frontend-es6/**"),
-                        new AntPathRequestMatcher("/mcp/**"),
-                        new AntPathRequestMatcher("/ws/**"))
+                        new AntPathRequestMatcher("/mcp/**"), new AntPathRequestMatcher("/ws/**"))
                 .permitAll());
 
         // Standard-CSRF-Konfiguration

src/main/java/de/assecutor/votianlt/service/CustomerInvoiceService.java

@@ -244,19 +244,20 @@ public class CustomerInvoiceService {
     }
 
     /**
-     * Generate a PDF preview from canvas template data.
-     * Creates an HTML representation of the canvas elements and converts it to PDF.
+     * Generate a PDF preview from canvas template data. Creates an HTML
+     * representation of the canvas elements and converts it to PDF.
      */
     public byte[] generatePdfFromCanvasTemplate(String jsonTemplateData) throws Exception {
         return generatePdfFromCanvasTemplate(jsonTemplateData, null);
     }
-    
-    public byte[] generatePdfFromCanvasTemplate(String jsonTemplateData, de.assecutor.votianlt.model.User user) throws Exception {
+
+    public byte[] generatePdfFromCanvasTemplate(String jsonTemplateData, de.assecutor.votianlt.model.User user)
+            throws Exception {
         // Parse the JSON template data
         com.fasterxml.jackson.databind.ObjectMapper mapper = new com.fasterxml.jackson.databind.ObjectMapper();
         com.fasterxml.jackson.databind.JsonNode rootNode = mapper.readTree(jsonTemplateData);
         com.fasterxml.jackson.databind.JsonNode elements = rootNode.get("elements");
-        
+
         // Build HTML content from canvas elements
         StringBuilder htmlBuilder = new StringBuilder();
         htmlBuilder.append("<!DOCTYPE html>");
@@ -264,7 +265,8 @@ public class CustomerInvoiceService {
         htmlBuilder.append("<meta charset='UTF-8'>");
         htmlBuilder.append("<style>");
         htmlBuilder.append("@page { size: A4; margin: 0; }");
-        htmlBuilder.append("body { margin: 0; padding: 0; width: 210mm; height: 297mm; position: relative; font-family: Arial, sans-serif; }");
+        htmlBuilder.append(
+                "body { margin: 0; padding: 0; width: 210mm; height: 297mm; position: relative; font-family: Arial, sans-serif; }");
         htmlBuilder.append(".element { position: absolute; box-sizing: border-box; overflow: hidden; }");
         htmlBuilder.append(".text { white-space: nowrap; overflow: visible; }");
         htmlBuilder.append(".line { border-top: 1px solid #333; }");
@@ -272,10 +274,10 @@ public class CustomerInvoiceService {
         htmlBuilder.append(".image img { width: 100%; height: 100%; object-fit: contain; display: block; }");
         htmlBuilder.append("</style>");
         htmlBuilder.append("</head><body>");
-        
+
         // Prepare variable substitution map
         java.util.Map<String, String> variables = new java.util.HashMap<>();
-        
+
         if (user != null) {
             // Use actual user data
             String company = user.getCompany();
@@ -294,7 +296,7 @@ public class CustomerInvoiceService {
             variables.put("masterdata.email", "kontakt@firma.de");
             variables.put("masterdata.phone", "0123 456789");
         }
-        
+
         // Customer data (placeholder for now - would come from job/customer selection)
         variables.put("customer.company_name", "Kundenfirma GmbH");
         variables.put("customer.contact_name", "Erika Mustermann");
@@ -302,7 +304,7 @@ public class CustomerInvoiceService {
         variables.put("customer.city", "54321 Kundenstadt");
         variables.put("customer.email", "kunde@beispiel.de");
         variables.put("customer.phone", "0987 654321");
-        
+
         if (elements != null && elements.isArray()) {
             for (com.fasterxml.jackson.databind.JsonNode element : elements) {
                 String type = element.has("type") ? element.get("type").asText("text") : "text";
@@ -315,8 +317,9 @@ public class CustomerInvoiceService {
                 } else {
                     text = element.has("text") ? element.get("text").asText("") : "";
                 }
-                
-                // Use percentage values if available, otherwise fall back to legacy pixel values
+
+                // Use percentage values if available, otherwise fall back to legacy pixel
+                // values
                 double xPercent, yPercent, widthPercent, heightPercent;
                 if (element.has("xPercent")) {
                     xPercent = element.get("xPercent").asDouble(0);
@@ -343,34 +346,37 @@ public class CustomerInvoiceService {
                     double height = element.get("height").asDouble(30);
                     heightPercent = height / 842.0 * 100;
                 }
-                
+
                 int fontSize = element.has("fontSize") ? element.get("fontSize").asInt(14) : 14;
                 String fontStyle = element.has("fontStyle") ? element.get("fontStyle").asText("") : "";
                 String color = element.has("color") ? element.get("color").asText("#333333") : "#333333";
-                
+
                 // Convert percentages to mm (A4 is 210mm x 297mm)
                 double mmX = xPercent / 100.0 * 210.0;
                 double mmY = yPercent / 100.0 * 297.0;
                 double mmWidth = widthPercent / 100.0 * 210.0;
                 double mmHeight = heightPercent / 100.0 * 297.0;
-                
+
                 htmlBuilder.append("<div class='element ").append(type).append("' ");
                 htmlBuilder.append("style='");
                 htmlBuilder.append("left:").append(String.format(java.util.Locale.US, "%.2f", mmX)).append("mm;");
                 htmlBuilder.append("top:").append(String.format(java.util.Locale.US, "%.2f", mmY)).append("mm;");
                 htmlBuilder.append("width:").append(String.format(java.util.Locale.US, "%.2f", mmWidth)).append("mm;");
-                htmlBuilder.append("height:").append(String.format(java.util.Locale.US, "%.2f", mmHeight)).append("mm;");
+                htmlBuilder.append("height:").append(String.format(java.util.Locale.US, "%.2f", mmHeight))
+                        .append("mm;");
                 htmlBuilder.append("font-size:").append(fontSize).append("pt;");
-                htmlBuilder.append("line-height:").append(String.format(java.util.Locale.US, "%.2f", fontSize * 1.2)).append("pt;");
+                htmlBuilder.append("line-height:").append(String.format(java.util.Locale.US, "%.2f", fontSize * 1.2))
+                        .append("pt;");
                 htmlBuilder.append("color:").append(color).append(";");
                 if (!fontStyle.isEmpty()) {
-                    if (fontStyle.contains("bold")) htmlBuilder.append("font-weight:bold;");
+                    if (fontStyle.contains("bold"))
+                        htmlBuilder.append("font-weight:bold;");
                 }
                 // Vertically center content
                 htmlBuilder.append("display:flex;align-items:center;");
                 htmlBuilder.append("'");
                 htmlBuilder.append(">");
-                
+
                 // Replace variables with actual values FIRST
                 if (variable != null && variables.containsKey(variable)) {
                     text = variables.get(variable);
@@ -390,20 +396,18 @@ public class CustomerInvoiceService {
                         }
                     }
                 }
-                
+
                 // Escape HTML special characters in text AFTER variable replacement
                 if (text != null) {
-                    text = text.replace("&", "&amp;")
-                               .replace("<", "&lt;")
-                               .replace(">", "&gt;")
-                               .replace("\"", "&quot;")
-                               .replace("'", "&#x27;");
+                    text = text.replace("&", "&amp;").replace("<", "&lt;").replace(">", "&gt;").replace("\"", "&quot;")
+                            .replace("'", "&#x27;");
                 } else {
                     text = "";
                 }
-                
+
                 if ("line".equals(type)) {
-                    htmlBuilder.append("<hr style='margin:0;border:none;border-top:1px solid #333;height:0;width:100%;'/>");
+                    htmlBuilder.append(
+                            "<hr style='margin:0;border:none;border-top:1px solid #333;height:0;width:100%;'/>");
                 } else if ("image".equals(type)) {
                     if (element.has("imageData") && !element.get("imageData").asText().isEmpty()) {
                         String imageData = element.get("imageData").asText();
@@ -412,27 +416,30 @@ public class CustomerInvoiceService {
                             imageData = "data:image/png;base64," + imageData;
                         }
                         // Use object-fit:contain to preserve aspect ratio
-                        htmlBuilder.append("<div style='width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;'>");
-                        htmlBuilder.append("<img src=\"").append(imageData.replace("\"", "%22")).append("\" style='max-width:100%;max-height:100%;object-fit:contain;' alt='Bild' />");
+                        htmlBuilder.append(
+                                "<div style='width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;'>");
+                        htmlBuilder.append("<img src=\"").append(imageData.replace("\"", "%22"))
+                                .append("\" style='max-width:100%;max-height:100%;object-fit:contain;' alt='Bild' />");
                         htmlBuilder.append("</div>");
                     } else {
-                        htmlBuilder.append("<div style='width:100%;height:100%;background:#f0f0f0;display:flex;align-items:center;justify-content:center;font-size:10pt;color:#666;'>[Bild]</div>");
+                        htmlBuilder.append(
+                                "<div style='width:100%;height:100%;background:#f0f0f0;display:flex;align-items:center;justify-content:center;font-size:10pt;color:#666;'>[Bild]</div>");
                     }
                 } else {
                     // Wrap text in a span to prevent flexbox issues
                     htmlBuilder.append("<span style='white-space:nowrap;'>").append(text).append("</span>");
                 }
-                
+
                 htmlBuilder.append("</div>");
             }
         }
-        
+
         htmlBuilder.append("</body></html>");
-        
+
         // Generate PDF from HTML
         return generatePdfFromHtmlString(htmlBuilder.toString());
     }
-    
+
     private String safe(String value) {
         return value != null ? value : "";
     }

src/main/java/de/assecutor/votianlt/service/InvoiceTemplateService.java

@@ -10,15 +10,15 @@ import java.util.Optional;
 @Service
 @RequiredArgsConstructor
 public class InvoiceTemplateService {
-    
+
     private final InvoiceTemplateRepository invoiceTemplateRepository;
-    
+
     /**
      * Save or update the invoice template for a user
      */
     public InvoiceTemplate saveTemplate(String userId, String templateData) {
         Optional<InvoiceTemplate> existing = invoiceTemplateRepository.findByUserId(userId);
-        
+
         if (existing.isPresent()) {
             InvoiceTemplate template = existing.get();
             template.updateTemplate(templateData);
@@ -28,21 +28,21 @@ public class InvoiceTemplateService {
             return invoiceTemplateRepository.save(newTemplate);
         }
     }
-    
+
     /**
      * Get the invoice template for a user
      */
     public Optional<InvoiceTemplate> getTemplateByUserId(String userId) {
         return invoiceTemplateRepository.findByUserId(userId);
     }
-    
+
     /**
      * Check if a template exists for a user
      */
     public boolean hasTemplate(String userId) {
         return invoiceTemplateRepository.existsByUserId(userId);
     }
-    
+
     /**
      * Delete the template for a user
      */

src/main/java/de/assecutor/votianlt/service/LocationService.java

@@ -49,8 +49,8 @@ public class LocationService {
             Double heading = extractDouble(payload.get("heading"));
             Instant timestamp = extractInstant(payload.get("timestamp"));
 
-            LocationPosition position = new LocationPosition(
-                    appUserId, latitude, longitude, accuracy, altitude, speed, heading, timestamp);
+            LocationPosition position = new LocationPosition(appUserId, latitude, longitude, accuracy, altitude, speed,
+                    heading, timestamp);
 
             locationPositionRepository.save(position);
             log.debug("[Location] Saved position for {}: lat={}, lon={}", appUserId, latitude, longitude);
@@ -68,7 +68,8 @@ public class LocationService {
      * @return The latest position or null if none found
      */
     public LocationPosition getLatestPosition(String appUserId) {
-        List<LocationPosition> positions = locationPositionRepository.findTop1ByAppUserIdOrderByTimestampDesc(appUserId);
+        List<LocationPosition> positions = locationPositionRepository
+                .findTop1ByAppUserIdOrderByTimestampDesc(appUserId);
         return positions.isEmpty() ? null : positions.get(0);
     }
 
@@ -87,9 +88,9 @@ public class LocationService {
     }
 
     /**
-     * Cleanup old positions. Runs every 5 minutes.
-     * Note: Positions also have a TTL index that auto-deletes after 60 minutes,
-     * but this scheduled cleanup ensures immediate removal and logging.
+     * Cleanup old positions. Runs every 5 minutes. Note: Positions also have a TTL
+     * index that auto-deletes after 60 minutes, but this scheduled cleanup ensures
+     * immediate removal and logging.
      */
     @Scheduled(fixedRate = 300000) // 5 minutes
     public void cleanupOldPositions() {

src/main/java/de/assecutor/votianlt/service/MessageService.java

@@ -115,8 +115,8 @@ public class MessageService {
     }
 
     /**
-     * Publish message to topic for the receiver.
-     * Only sends if client is connected, otherwise keeps NOTSEND status.
+     * Publish message to topic for the receiver. Only sends if client is connected,
+     * otherwise keeps NOTSEND status.
      */
     private void publishMessage(Message message, String receiver) {
         try {
@@ -132,20 +132,18 @@ public class MessageService {
             byte[] data = objectMapper.writeValueAsString(payload).getBytes(StandardCharsets.UTF_8);
 
             // Use WebSocketService directly to get CompletableFuture for delivery tracking
-            webSocketService.sendToClient(receiver, "message", data)
-                    .thenRun(() -> {
-                        // Success: mark as sent
-                        message.markAsSent();
-                        messageRepository.save(message);
-                        log.debug("[Messaging] Message {} delivered to client {}, marked as SEND",
-                                message.getIdAsString(), receiver);
-                    })
-                    .exceptionally(ex -> {
-                        // Failed to deliver: keep NOTSEND status
-                        log.debug("[Messaging] Failed to deliver message {} to client {}: {}",
-                                message.getIdAsString(), receiver, ex.getMessage());
-                        return null;
-                    });
+            webSocketService.sendToClient(receiver, "message", data).thenRun(() -> {
+                // Success: mark as sent
+                message.markAsSent();
+                messageRepository.save(message);
+                log.debug("[Messaging] Message {} delivered to client {}, marked as SEND", message.getIdAsString(),
+                        receiver);
+            }).exceptionally(ex -> {
+                // Failed to deliver: keep NOTSEND status
+                log.debug("[Messaging] Failed to deliver message {} to client {}: {}", message.getIdAsString(),
+                        receiver, ex.getMessage());
+                return null;
+            });
 
         } catch (Exception e) {
             log.error("[Messaging] Error publishing message: {}", e.getMessage());
@@ -160,8 +158,8 @@ public class MessageService {
     }
 
     /**
-     * Send pending messages to a client that just connected.
-     * Called after successful authentication.
+     * Send pending messages to a client that just connected. Called after
+     * successful authentication.
      *
      * @param receiver
      *            AppUser ID (clientId)
@@ -184,16 +182,14 @@ public class MessageService {
                 ChatMessageOutboundPayload payload = ChatMessageOutboundPayload.fromMessage(message);
                 byte[] data = objectMapper.writeValueAsString(payload).getBytes(StandardCharsets.UTF_8);
 
-                webSocketService.sendToClient(receiver, "message", data)
-                        .thenRun(() -> {
-                            message.markAsSent();
-                            messageRepository.save(message);
-                        })
-                        .exceptionally(ex -> {
-                            log.error("[Messaging] Failed to send pending message {}: {}",
-                                    message.getIdAsString(), ex.getMessage());
-                            return null;
-                        });
+                webSocketService.sendToClient(receiver, "message", data).thenRun(() -> {
+                    message.markAsSent();
+                    messageRepository.save(message);
+                }).exceptionally(ex -> {
+                    log.error("[Messaging] Failed to send pending message {}: {}", message.getIdAsString(),
+                            ex.getMessage());
+                    return null;
+                });
                 sentCount++;
             } catch (Exception e) {
                 log.error("[Messaging] Failed to send pending message {}: {}", message.getIdAsString(), e.getMessage());