feat: Equipment-System, Buchungsbearbeitung, Kundenadresse, LexOffice-Fix

- Vintage Modell hinzugefuegt
- Equipment Multi-Select (Neue Buchung + Bearbeitung)
- Kundenadresse in Formularen
- Bearbeiten-Seite fuer Buchungen
- Abbau-Zeiten in Formularen und Uebersicht
- Vertrag PDF nur bei Privatkunden
- LexOffice Kontakt-Erstellung Fix (BUSINESS)
- Zurueck-Pfeil auf Touren-Seite

prisma/schema.prisma

@@ -34,6 +34,7 @@ enum PhotoboxModel {
   VINTAGE_PHOTOS
   NOSTALGIE
   MAGIC_MIRROR
+  VINTAGE
 }
 
 enum InvoiceType {
@@ -74,6 +75,7 @@ model User {
   updatedAt     DateTime  @updatedAt
   
   driverTours          Tour[]
+  driverLocations      DriverLocation[]
   notifications        Notification[]
   driverAvailability   DriverAvailability[]
 }
@@ -87,6 +89,10 @@ model Location {
   contactEmail    String
   active          Boolean   @default(true)
   
+  warehouseAddress String?
+  warehouseZip     String?
+  warehouseCity    String?
+  
   imapHost        String?
   imapPort        Int?
   imapUser        String?
@@ -120,8 +126,16 @@ model PriceConfig {
   
   model           PhotoboxModel
   basePrice       Float
-  pricePerKm      Float
-  includedKm      Int             @default(0)
+  
+  kmFlatRate      Float           @default(0)
+  kmFlatRateUpTo  Int             @default(15)
+  pricePerKm      Float           @default(0)
+  kmMultiplier    Int             @default(4)
+  
+  lexofficeArticleId            String?
+  lexofficeArticleIdWithFlat    String?
+  lexofficeKmFlatArticleId      String?
+  lexofficeKmExtraArticleId     String?
   
   createdAt       DateTime        @default(now())
   updatedAt       DateTime        @updatedAt
@@ -185,6 +199,8 @@ model Booking {
   dismantleTimeEarliest DateTime?
   dismantleTimeLatest   DateTime?
   
+  withPrintFlat         Boolean         @default(true)
+  
   distance              Float?
   calculatedPrice       Float?
   
@@ -223,6 +239,7 @@ model Booking {
   
   tourId                String?
   tour                  Tour?           @relation(fields: [tourId], references: [id])
+  tourStops             TourStop[]
   
   notes                 String?
   internalNotes         String?
@@ -267,6 +284,27 @@ enum TourStatus {
   CANCELLED
 }
 
+enum StopStatus {
+  PENDING         // Noch nicht erreicht
+  EN_ROUTE        // Fahrer ist unterwegs
+  ARRIVED         // Fahrer ist angekommen
+  SETUP_STARTED   // Aufbau begonnen
+  SETUP_COMPLETE  // Aufbau abgeschlossen
+  PICKUP_STARTED  // Abbau/Abholung begonnen
+  PICKUP_COMPLETE // Abholung abgeschlossen
+  SKIPPED         // Übersprungen
+  ISSUE           // Problem aufgetreten
+}
+
+enum PhotoType {
+  SETUP_BEFORE    // Vor dem Aufbau
+  SETUP_AFTER     // Nach dem Aufbau
+  PICKUP_BEFORE   // Vor dem Abbau
+  PICKUP_AFTER    // Nach dem Abbau
+  ISSUE           // Problem-Dokumentation
+  OTHER           // Sonstiges
+}
+
 model Tour {
   id              String      @id @default(cuid())
   tourDate        DateTime
@@ -276,6 +314,7 @@ model Tour {
   driver          User?       @relation(fields: [driverId], references: [id])
   
   bookings        Booking[]
+  tourStops       TourStop[]
   
   routeOptimized  Json?
   totalDistance   Float?
@@ -295,6 +334,93 @@ model Tour {
   @@index([status])
 }
 
+model TourStop {
+  id              String      @id @default(cuid())
+  tourId          String
+  tour            Tour        @relation(fields: [tourId], references: [id], onDelete: Cascade)
+  
+  bookingId       String
+  booking         Booking     @relation(fields: [bookingId], references: [id])
+  
+  stopOrder       Int         // Reihenfolge der Stopps (1, 2, 3, ...)
+  stopType        String      @default("DELIVERY") // DELIVERY, PICKUP, BOTH
+  
+  status          StopStatus  @default(PENDING)
+  
+  // Timestamps für jeden Status
+  arrivedAt       DateTime?
+  setupStartedAt  DateTime?
+  setupCompleteAt DateTime?
+  pickupStartedAt DateTime?
+  pickupCompleteAt DateTime?
+  
+  // Optional: GPS-Position bei Ankunft
+  arrivalLatitude  Float?
+  arrivalLongitude Float?
+  
+  // Notizen vom Fahrer
+  notes           String?     @db.Text
+  issueDescription String?    @db.Text
+  
+  photos          DeliveryPhoto[]
+  
+  createdAt       DateTime    @default(now())
+  updatedAt       DateTime    @updatedAt
+  
+  @@unique([tourId, bookingId])
+  @@index([tourId, stopOrder])
+  @@index([status])
+}
+
+model DriverLocation {
+  id              String      @id @default(cuid())
+  
+  driverId        String
+  driver          User        @relation(fields: [driverId], references: [id], onDelete: Cascade)
+  
+  latitude        Float
+  longitude       Float
+  accuracy        Float?      // GPS-Genauigkeit in Metern
+  heading         Float?      // Richtung in Grad (0-360)
+  speed           Float?      // Geschwindigkeit in km/h
+  
+  tourId          String?
+  
+  // Optional: Welcher Stopp ist aktuell?
+  currentStopId   String?
+  
+  createdAt       DateTime    @default(now())
+  
+  @@index([driverId, createdAt])
+  @@index([tourId])
+}
+
+model DeliveryPhoto {
+  id              String      @id @default(cuid())
+  
+  tourStopId      String
+  tourStop        TourStop    @relation(fields: [tourStopId], references: [id], onDelete: Cascade)
+  
+  photoType       PhotoType
+  
+  // Dateispeicherung (z.B. /uploads/photos/...)
+  fileName        String
+  filePath        String
+  fileSize        Int?
+  mimeType        String?
+  
+  // Optional: GPS-Position wo das Foto aufgenommen wurde
+  latitude        Float?
+  longitude       Float?
+  
+  caption         String?     @db.Text
+  
+  uploadedAt      DateTime    @default(now())
+  
+  @@index([tourStopId])
+  @@index([photoType])
+}
+
 model Notification {
   id          String    @id @default(cuid())
   userId      String?
@@ -372,6 +498,9 @@ model Equipment {
   notes           String?
   purchaseDate    DateTime?
   purchasePrice   Decimal?
+  price           Float?
+  
+  lexofficeArticleId String?
   
   minStockLevel   Int?
   currentStock    Int?