Abrechnungsgrüne nun immer erforderlich

Konflikte in den Steuer-Dateien zugunsten der weiterentwickelten lokalen Version
aufgelöst: vat_pricing_mode (Preismodus), DB-gestützte tax_exemption_reasons mit FK,
typisierte Request-DTOs, Event-Steuer-Snapshot. origin/dev-4.7.0 enthielt eine
frühere Teilmenge desselben Features.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.env.example

@@ -56,6 +56,8 @@ MAIL_PASSWORD=null
 MAIL_FROM_ADDRESS="hello@example.com"
 MAIL_FROM_NAME="${APP_NAME}"
 
+APP_ADMIN_MAIL=
+
 AWS_ACCESS_KEY_ID=
 AWS_SECRET_ACCESS_KEY=
 AWS_DEFAULT_REGION=us-east-1

.gitignore

@@ -23,3 +23,6 @@ Homestead.json
 Homestead.yaml
 Thumbs.db
 /docker-compose.yaml
+
+# HTML-Report von composer test:coverage
+/storage/coverage

CLAUDE.md

@@ -0,0 +1,74 @@
+# CLAUDE.md
+
+Laravel 12 + Inertia/Vue, mandantenfähig (custom `tenant`-Scoping über `app('tenant')`, gesetzt in
+`app/Middleware/IdentifyTenant.php`). PHP 8.5 — Tests/Artisan laufen im Container:
+`docker exec mareike-mareike-app-1 php artisan test`.
+
+## Projektkonventionen (verbindlich)
+
+Die verbindlichen Konventionen (Actions/Request-Command-Response, Controller, Repositories, Models/Resources, Tenant,
+Routing, Mails) stehen in `.ai/conventions.md` und werden hier eingebunden — **immer beachten**:
+
+@.ai/conventions.md
+
+## Bereichs-Dokumentation
+
+- [Zahlungsmodule](app/EventPaymentModules/CLAUDE.md) — interface-gesteuerte Zahlungsarten (Optionen, Config,
+  Anmelde-Zusammenfassung, GiroCode/Fähigkeits-Interfaces, neues Modul hinzufügen).
+
+## Umsatzsteuer / Steuerinformationen
+
+Rechtlich korrekter Begriff ist **Umsatzsteuer (USt)**, nicht MwSt. Ziel: tagesbasierte Anmelde-Rechnungen („Teilnahme
+Veranstaltung X in Gruppe Y" × Anwesenheitstage × Beitrag/Tag). Grundlage ist gebaut, die Rechnungs-PDF/-berechnung
+folgt noch.
+
+### Tenant-Einstellungen (Tab „Steuerinformationen")
+
+Felder auf `tenants` (Self-Service `TenantData.vue` + verwaltet `TenantEdit.vue`, Partial `TenantTaxInfo.vue`,
+Controller `TenantTax*` / `ManagedTenantTax*`, Action `UpdateTenantTax`):
+
+- `tax_liable` (bool) — ob USt-Pflicht besteht.
+- `vat_rate` (int, %) — USt-Satz, nur relevant wenn `tax_liable` (0–100, geclamped).
+- `vat_pricing_mode` (Enum `App\Enumerations\VatPricingMode`, natives PHP-Enum: `inclusive` | `add_on`).
+- `tax_exemption_reason` (FK → `tax_exemption_reasons.slug`, nullable) — Grund wenn **nicht** steuerpflichtig.
+  DB-Default neuer Tenants: `ustg_4_25a` (Jugendhilfe).
+- `tax_exemption_note` (text, nullable) — Freitext, nur bei Grund `custom` (`requires_note`).
+
+### Preismodus — **das Kernverhalten**
+
+Es wird **immer der finale Brutto-Beitrag** pro Anmeldung gespeichert (`EventParticipant.amount`, keine USt-Spalten am
+Teilnehmer). Der Modus wirkt **nur bei der Preisermittlung im Anmeldeprozess**:
+
+- **`inclusive`** (Brutto / „zusammenfassen", Supermarkt-Prinzip, Default): der konfigurierte Beitrag **ist** der
+  Endpreis, USt ist bereits enthalten → Preis bleibt gleich; die USt wird erst **auf der Rechnung herausgerechnet**:
+  `USt = brutto × Satz / (100 + Satz)`, `netto = brutto − USt`.
+- **`add_on`** (Netto / „aufaddieren"): der konfigurierte Beitrag ist netto → Endpreis = `Beitrag × (1 + Satz/100)`. Die
+  USt wird bei der Anmeldung **aufgeschlagen** → Teilnehmer zahlt mehr.
+
+Umsetzung in `App\Resources\EventResource::calculateAmount()`: nach allen Multiplikatoren (Early-Bird, `pay_per_day`,
+Geschwister) gilt
+`if ($event->tax_liable && $event->vat_pricing_mode === VatPricingMode::AddOn->value) $fee->multiply(1 + $event->vat_rate/100);`
+danach `round(…, 2)`. Bei `inclusive`/nicht steuerpflichtig bleibt der Beitrag unverändert.
+
+### Event-Snapshot (unveränderlich)
+
+Bei Event-Anlage (`CreateEventCommand::execute()`) werden `tax_liable`, `vat_rate`, `vat_pricing_mode`,
+`tax_exemption_reason`, `tax_exemption_note` aus dem Tenant **auf das Event kopiert und dort eingefroren** (Spalten auf
+`events`). Preisermittlung und spätere Rechnungen lesen vom Event, nicht vom Tenant → spätere Tenant-Änderungen berühren
+bestehende Events/Rechnungen nicht.
+
+### Befreiungsgründe (DB-gestützt)
+
+Tabelle `tax_exemption_reasons`, Model `App\Enumerations\TaxExemptionReason` (Eloquent, `slug` PK; `name`,
+`invoice_text`, `requires_note`, `sort_order`). `options()` liefert `{value,label,text}` sortiert nach `sort_order`. FK
+von `tenants` **und** `events`. Seed in Migration `170010`, verfeinert in `170020`. Gründe (in Reihenfolge):
+`ustg_19` (§ 19 Kleinunternehmer), `ustg_4_24` (§ 4 Nr. 24 Jugendherbergen),
+`ustg_4_25a` (§ 4 Nr. 25 Buchst. a — Jugendhilfe-Veranstaltungen, Default), `ustg_4_22a` (§ 4 Nr. 22 Buchst. a —
+Vorträge/Kurse), `custom` (Freitext). Jeder Grund kapselt den Rechnungs-Pflichthinweis nach **§ 14 Abs. 4 Nr. 8 UStG**
+(`invoice_text`; bei `custom` der Tenant-Freitext via `invoiceText(?note)`). Gemeinnützigkeit allein befreit **nicht** —
+es braucht immer einen konkreten Rechtsgrund.
+
+### Noch offen (nächster Schritt)
+
+Die eigentliche **Rechnung**: tagesbasierte Positionen, USt aus dem gespeicherten Brutto herausrechnen (Satz vom
+Event-Snapshot); bei Befreiung kein USt-Ausweis, stattdessen der Pflichthinweis des Grundes.

app/Domains/Admin/Actions/CreateTenant/CreateTenantAction.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Domains\Admin\Actions\CreateTenant;
+
+use App\Models\AvailablePaymentMethod;
+use App\Models\PaymentMethod;
+use App\Models\Tenant;
+
+class CreateTenantAction
+{
+    public function __construct(private CreateTenantRequest $request)
+    {
+    }
+
+    public function execute(): CreateTenantResponse
+    {
+        $response = new CreateTenantResponse();
+
+        $tenant = Tenant::create([
+            'name' => $this->request->name,
+            'slug' => $this->request->slug,
+            'url' => $this->request->url,
+            'email' => '',
+            'email_finance' => '',
+            'account_name' => '',
+            'account_iban' => '',
+            'account_bic' => '',
+            'city' => '',
+            'postcode' => '',
+            'is_active_local_group' => true,
+            'has_active_instance' => true,
+        ]);
+
+        $paymentMethodDefaults = PaymentMethod::defaults();
+        foreach (PaymentMethod::all() as $paymentMethod) {
+            $defaults = $paymentMethodDefaults[$paymentMethod->slug] ?? ['name' => $paymentMethod->slug, 'description' => null, 'configuration' => []];
+
+            AvailablePaymentMethod::create([
+                'tenant' => $tenant->slug,
+                'slug' => $paymentMethod->slug,
+                'name' => $defaults['name'],
+                'description' => $defaults['description'],
+                'active' => true,
+                'configuration' => PaymentMethod::sanitizeConfiguration($paymentMethod->slug, $defaults['configuration'] ?? []),
+            ]);
+        }
+
+        $response->success = true;
+        $response->message = 'Stamm wurde angelegt.';
+        $response->slug = $tenant->slug;
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/CreateTenant/CreateTenantRequest.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Domains\Admin\Actions\CreateTenant;
+
+class CreateTenantRequest
+{
+    public function __construct(
+        public string $name,
+        public string $slug,
+        public string $url,
+    ) {
+    }
+}

app/Domains/Admin/Actions/CreateTenant/CreateTenantResponse.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Domains\Admin\Actions\CreateTenant;
+
+class CreateTenantResponse
+{
+    public bool $success = false;
+    public string $message = '';
+    public ?string $slug = null;
+}

app/Domains/Admin/Actions/RemovePaymentMethodUsage/RemovePaymentMethodUsageAction.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Domains\Admin\Actions\RemovePaymentMethodUsage;
+
+use App\Mail\EventReportMails\PaymentMethodsExhaustedMail;
+use App\Models\AvailablePaymentMethod;
+use Illuminate\Support\Facades\Mail;
+
+class RemovePaymentMethodUsageAction
+{
+    public function execute(AvailablePaymentMethod $availablePaymentMethod): void
+    {
+        foreach ($availablePaymentMethod->events()->get() as $event) {
+            $event->paymentMethods()->detach($availablePaymentMethod->slug);
+
+            $remainingActive = $event->paymentMethods()->where('active', true)->count();
+            if ($remainingActive === 0 && $event->registration_allowed) {
+                $event->registration_allowed = false;
+                $event->save();
+
+                $recipients = $event->eventManagers;
+                if ($event->costUnit !== null) {
+                    $recipients = $recipients->merge($event->costUnit->treasurers);
+                }
+
+                foreach ($recipients->unique('id') as $recipient) {
+                    Mail::to($recipient->email)->send(new PaymentMethodsExhaustedMail($event));
+                }
+            }
+        }
+    }
+}

app/Domains/Admin/Actions/ToggleUserActive/ToggleUserActiveAction.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Admin\Actions\ToggleUserActive;
+
+class ToggleUserActiveAction
+{
+    public function __construct(private ToggleUserActiveRequest $request)
+    {
+    }
+
+    public function execute(): ToggleUserActiveResponse
+    {
+        $response = new ToggleUserActiveResponse();
+
+        if ($this->request->currentUserId === $this->request->user->id) {
+            $response->message = 'Du kannst dich nicht selbst deaktivieren.';
+            return $response;
+        }
+
+        $this->request->user->update(['active' => !$this->request->user->active]);
+
+        $status = $this->request->user->active ? 'aktiviert' : 'deaktiviert';
+
+        $response->success = true;
+        $response->message = 'Benutzer*in wurde ' . $status . '.';
+        $response->active = $this->request->user->active;
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/ToggleUserActive/ToggleUserActiveRequest.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Domains\Admin\Actions\ToggleUserActive;
+
+use App\Models\User;
+
+class ToggleUserActiveRequest
+{
+    public function __construct(
+        public User $user,
+        public int $currentUserId,
+    ) {
+    }
+}

app/Domains/Admin/Actions/ToggleUserActive/ToggleUserActiveResponse.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Domains\Admin\Actions\ToggleUserActive;
+
+class ToggleUserActiveResponse
+{
+    public bool $success = false;
+    public string $message = '';
+    public ?bool $active = null;
+}

app/Domains/Admin/Actions/UpdateAvailablePaymentMethod/UpdateAvailablePaymentMethodAction.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateAvailablePaymentMethod;
+
+use App\Domains\Admin\Actions\RemovePaymentMethodUsage\RemovePaymentMethodUsageAction;
+use App\Models\PaymentMethod;
+
+class UpdateAvailablePaymentMethodAction
+{
+    public function __construct(private UpdateAvailablePaymentMethodRequest $request)
+    {
+    }
+
+    public function execute(): UpdateAvailablePaymentMethodResponse
+    {
+        $response = new UpdateAvailablePaymentMethodResponse();
+        $paymentMethod = $this->request->availablePaymentMethod;
+        $wasActive = $paymentMethod->active;
+
+        // Nur bekannte Options-Keys übernehmen -- das Options-Schema des Zahlungsmoduls ist die Autorität.
+        $configuration = PaymentMethod::sanitizeConfiguration($paymentMethod->slug, $this->request->configuration);
+
+        // Guard: Aktivierung nur erlaubt, wenn alle Pflicht-Optionen befüllt sind.
+        if ($this->request->active && !PaymentMethod::isConfigurationComplete($paymentMethod->slug, $configuration)) {
+            $response->success = false;
+            $response->message = 'Bitte zuerst alle Pflichtfelder ausfüllen, bevor die Zahlungsmethode aktiviert wird.';
+
+            return $response;
+        }
+
+        $paymentMethod->update([
+            'name' => $this->request->name,
+            'description' => $this->request->description,
+            'active' => $this->request->active,
+            'configuration' => $configuration,
+        ]);
+
+        if ($wasActive && !$this->request->active) {
+            (new RemovePaymentMethodUsageAction())->execute($paymentMethod);
+        }
+
+        $response->success = true;
+        $response->message = 'Zahlungsmethode wurde gespeichert.';
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/UpdateAvailablePaymentMethod/UpdateAvailablePaymentMethodRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateAvailablePaymentMethod;
+
+use App\Models\AvailablePaymentMethod;
+
+class UpdateAvailablePaymentMethodRequest
+{
+    /**
+     * @param array<string, mixed> $configuration
+     */
+    public function __construct(
+        public AvailablePaymentMethod $availablePaymentMethod,
+        public string $name,
+        public ?string $description,
+        public bool $active,
+        public array $configuration = [],
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateAvailablePaymentMethod/UpdateAvailablePaymentMethodResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateAvailablePaymentMethod;
+
+class UpdateAvailablePaymentMethodResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateDocumentAsset/UpdateDocumentAssetAction.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateDocumentAsset;
+
+use App\Models\DocumentAsset;
+
+/**
+ * Legt ein Bild für die Dokumentvorlagen an oder ersetzt es.
+ *
+ * Gespeichert wird der base64-Payload in der Datenbank -- so überlebt das Bild ein Release (das als
+ * `git checkout` alles unter `public/` überschreibt) und wandert mit jedem Dump mit.
+ */
+class UpdateDocumentAssetAction
+{
+    /** Über 2 MB wird die Vorlage träge und das PDF unnötig groß. */
+    private const int MAX_BYTES = 2 * 1024 * 1024;
+
+    /** @var array<string, string> */
+    private const array ALLOWED_MIME_TYPES = [
+        'image/png' => 'png',
+        'image/jpeg' => 'jpg',
+        'image/gif' => 'gif',
+        'image/svg+xml' => 'svg',
+    ];
+
+    public function __construct(private readonly UpdateDocumentAssetRequest $request)
+    {
+    }
+
+    public function execute(): UpdateDocumentAssetResponse
+    {
+        $response = new UpdateDocumentAssetResponse();
+
+        $name = $this->normalizeName($this->request->name);
+
+        if ($name === null) {
+            $response->message = 'Bitte einen Namen aus Kleinbuchstaben, Ziffern, Bindestrich oder Unterstrich angeben.';
+
+            return $response;
+        }
+
+        $asset = DocumentAsset::where('name', $name)->first();
+        $file = $this->request->file;
+
+        if ($file === null && $asset === null) {
+            $response->message = 'Für ein neues Bild wird eine Datei benötigt.';
+
+            return $response;
+        }
+
+        $attributes = ['name' => $name, 'label' => $this->request->label];
+
+        if ($file !== null) {
+            if (!array_key_exists($file->getMimeType(), self::ALLOWED_MIME_TYPES)) {
+                $response->message = 'Nur PNG, JPEG, GIF oder SVG sind zulässig.';
+
+                return $response;
+            }
+
+            if ($file->getSize() > self::MAX_BYTES) {
+                $response->message = 'Das Bild darf höchstens 2 MB groß sein.';
+
+                return $response;
+            }
+
+            $attributes['mime'] = $file->getMimeType();
+            $attributes['data'] = base64_encode(file_get_contents($file->getRealPath()));
+        }
+
+        $response->asset = $asset === null
+            ? DocumentAsset::create($attributes)
+            : tap($asset)->update($attributes);
+
+        $response->success = true;
+        $response->message = 'Das Bild wurde gespeichert.';
+
+        return $response;
+    }
+
+    /** Namen sind Slugs, damit `{asset:name}` eindeutig erkennbar bleibt. */
+    private function normalizeName(string $name): ?string
+    {
+        $name = strtolower(trim($name));
+
+        return preg_match('/^[a-z0-9_-]+$/', $name) === 1 ? $name : null;
+    }
+}

app/Domains/Admin/Actions/UpdateDocumentAsset/UpdateDocumentAssetRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateDocumentAsset;
+
+use Illuminate\Http\UploadedFile;
+
+class UpdateDocumentAssetRequest
+{
+    public function __construct(
+        /** Slug, unter dem das Bild in der Vorlage als `{asset:name}` referenziert wird. */
+        public readonly string $name,
+        public readonly ?string $label = null,
+        public readonly ?UploadedFile $file = null,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateDocumentAsset/UpdateDocumentAssetResponse.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateDocumentAsset;
+
+use App\Models\DocumentAsset;
+
+class UpdateDocumentAssetResponse
+{
+    public bool $success = false;
+
+    public ?string $message = null;
+
+    public ?DocumentAsset $asset = null;
+}

app/Domains/Admin/Actions/UpdateDocumentTemplate/UpdateDocumentTemplateAction.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateDocumentTemplate;
+
+use App\Models\DocumentTemplate;
+
+/**
+ * Speichert die Blockinhalte einer Dokumentvorlage.
+ *
+ * Es werden nur bereits angelegte, als editierbar markierte Blöcke geschrieben. Neue Blöcke entstehen
+ * nicht über das Formular -- welche Blöcke eine Dokumentart hat, gibt die Vorlage vor (das Layout
+ * verweist mit `{block:...}` auf sie).
+ */
+class UpdateDocumentTemplateAction
+{
+    public function __construct(private readonly UpdateDocumentTemplateRequest $request)
+    {
+    }
+
+    public function execute(): UpdateDocumentTemplateResponse
+    {
+        $response = new UpdateDocumentTemplateResponse();
+
+        $existing = DocumentTemplate::forType($this->request->documentType);
+
+        // Erst prüfen, dann schreiben -- sonst bliebe bei einem Fehler ein halb gespeicherter Stand übrig.
+        $rejection = $this->rejectBareAssetInStyle();
+        if ($rejection !== null) {
+            $response->message = $rejection;
+
+            return $response;
+        }
+
+        foreach ($this->request->blocks as $block => $content) {
+            $template = $existing->get($block);
+
+            if ($template === null || !$template->editable) {
+                $response->skipped[] = $block;
+                continue;
+            }
+
+            $template->update(['content' => (string) $content]);
+        }
+
+        $response->success = true;
+        $response->message = $response->skipped === []
+            ? 'Die Vorlage wurde gespeichert.'
+            : 'Die Vorlage wurde gespeichert; nicht editierbare Blöcke blieben unverändert.';
+
+        return $response;
+    }
+
+    /**
+     * Ein Bild-Platzhalter, der im CSS nicht in `url(...)` steht, expandiert zu einem Data-URI, das
+     * dompdf nicht auslagern kann -- der Parser läuft dann minutenlang und der FPM-Worker stirbt am
+     * Zeitlimit (502). Solches CSS wird gar nicht erst gespeichert.
+     *
+     * @return string|null Fehlermeldung, oder null wenn nichts zu beanstanden ist.
+     */
+    private function rejectBareAssetInStyle(): ?string
+    {
+        $style = $this->request->blocks[DocumentTemplate::BLOCK_STYLE] ?? null;
+
+        if ($style === null || preg_match('/(?<![("\'])\{asset:([a-z0-9_-]+)}/i', (string) $style, $match) !== 1) {
+            return null;
+        }
+
+        return sprintf(
+            'Im CSS-Block steht der Bild-Platzhalter {asset:%1$s} direkt im Text. Dort gehört er in url("{asset:%1$s}").',
+            $match[1]
+        );
+    }
+}

app/Domains/Admin/Actions/UpdateDocumentTemplate/UpdateDocumentTemplateRequest.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateDocumentTemplate;
+
+class UpdateDocumentTemplateRequest
+{
+    /**
+     * @param array<string, string> $blocks Blockinhalte, adressiert über den Block-Slug.
+     */
+    public function __construct(
+        public readonly string $documentType,
+        public readonly array $blocks,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateDocumentTemplate/UpdateDocumentTemplateResponse.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateDocumentTemplate;
+
+class UpdateDocumentTemplateResponse
+{
+    public bool $success = false;
+
+    public ?string $message = null;
+
+    /** @var array<int, string> Blöcke, die nicht gespeichert wurden (unbekannt oder nicht editierbar). */
+    public array $skipped = [];
+}

app/Domains/Admin/Actions/UpdateTenantContact/UpdateTenantContactAction.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantContact;
+
+use App\Support\Text;
+
+class UpdateTenantContactAction
+{
+    public function __construct(private UpdateTenantContactRequest $request)
+    {
+    }
+
+    public function execute(): UpdateTenantContactResponse
+    {
+        $response = new UpdateTenantContactResponse();
+
+        $this->request->tenant->update([
+            'email' => $this->request->email,
+            'email_finance' => $this->request->emailFinance,
+            'invoice_sender_name' => Text::nullIfBlank($this->request->invoiceSenderName),
+            // Leergelassene optionale Felder als NULL, damit sie im Briefkopf sauber wegfallen.
+            'address_1' => Text::nullIfBlank($this->request->address1),
+            'address_2' => Text::nullIfBlank($this->request->address2),
+            'address_3' => Text::nullIfBlank($this->request->address3),
+            'postcode' => $this->request->postcode,
+            'city' => $this->request->city,
+            'phone' => Text::nullIfBlank($this->request->phone),
+        ]);
+
+        $response->success = true;
+        $response->message = 'Kontaktdaten wurden gespeichert.';
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/UpdateTenantContact/UpdateTenantContactRequest.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantContact;
+
+use App\Models\Tenant;
+
+class UpdateTenantContactRequest
+{
+    public function __construct(
+        public Tenant $tenant,
+        public string $email,
+        public string $emailFinance,
+        public string $postcode,
+        public string $city,
+        /** Bezeichnung des Rechnungsstellers; leer bedeutet "Name des Mandanten verwenden". */
+        public ?string $invoiceSenderName = null,
+        /** Straße und Hausnummer -- Pflichtangabe auf Rechnungen nach § 14 Abs. 4 UStG. */
+        public ?string $address1 = null,
+        /** Optionale Zusatzzeile, z.B. "c/o ...". */
+        public ?string $address2 = null,
+        public ?string $address3 = null,
+        public ?string $phone = null,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateTenantContact/UpdateTenantContactResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantContact;
+
+class UpdateTenantContactResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateTenantGdpr/UpdateTenantGdprAction.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantGdpr;
+
+class UpdateTenantGdprAction
+{
+    public function __construct(private UpdateTenantGdprRequest $request)
+    {
+    }
+
+    public function execute(): UpdateTenantGdprResponse
+    {
+        $response = new UpdateTenantGdprResponse();
+
+        $this->request->tenant->update([
+            'gdpr_text' => $this->request->gdprText,
+        ]);
+
+        $response->success = true;
+        $response->message = 'Datenschutzerklärung wurde gespeichert.';
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/UpdateTenantGdpr/UpdateTenantGdprRequest.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantGdpr;
+
+use App\Models\Tenant;
+
+class UpdateTenantGdprRequest
+{
+    public function __construct(
+        public Tenant $tenant,
+        public string $gdprText,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateTenantGdpr/UpdateTenantGdprResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantGdpr;
+
+class UpdateTenantGdprResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateTenantGeneral/UpdateTenantGeneralAction.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantGeneral;
+
+class UpdateTenantGeneralAction
+{
+    public function __construct(private UpdateTenantGeneralRequest $request)
+    {
+    }
+
+    public function execute(): UpdateTenantGeneralResponse
+    {
+        $response = new UpdateTenantGeneralResponse();
+
+        $this->request->tenant->update([
+            'name' => $this->request->name,
+            'slug' => $this->request->slug,
+            'url' => $this->request->url,
+        ]);
+
+        $response->success = true;
+        $response->message = 'Allgemeine Daten wurden gespeichert.';
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/UpdateTenantGeneral/UpdateTenantGeneralRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantGeneral;
+
+use App\Models\Tenant;
+
+class UpdateTenantGeneralRequest
+{
+    public function __construct(
+        public Tenant $tenant,
+        public string $name,
+        public string $slug,
+        public string $url,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateTenantGeneral/UpdateTenantGeneralResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantGeneral;
+
+class UpdateTenantGeneralResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateTenantImpress/UpdateTenantImpressAction.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantImpress;
+
+class UpdateTenantImpressAction
+{
+    public function __construct(private UpdateTenantImpressRequest $request)
+    {
+    }
+
+    public function execute(): UpdateTenantImpressResponse
+    {
+        $response = new UpdateTenantImpressResponse();
+
+        $this->request->tenant->update([
+            'impress_text' => $this->request->impressText,
+        ]);
+
+        $response->success = true;
+        $response->message = 'Impressum wurde gespeichert.';
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/UpdateTenantImpress/UpdateTenantImpressRequest.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantImpress;
+
+use App\Models\Tenant;
+
+class UpdateTenantImpressRequest
+{
+    public function __construct(
+        public Tenant $tenant,
+        public string $impressText,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateTenantImpress/UpdateTenantImpressResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantImpress;
+
+class UpdateTenantImpressResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateTenantPayment/UpdateTenantPaymentAction.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantPayment;
+
+use App\Models\AvailablePaymentMethod;
+use App\Models\PaymentMethod;
+use App\Scopes\SiteScope;
+
+class UpdateTenantPaymentAction
+{
+    public function __construct(private UpdateTenantPaymentRequest $request)
+    {
+    }
+
+    public function execute(): UpdateTenantPaymentResponse
+    {
+        $response = new UpdateTenantPaymentResponse();
+
+        $this->request->tenant->update([
+            'account_iban' => $this->request->accountIban,
+            'account_bic' => $this->request->accountBic,
+            'account_name' => $this->request->accountName,
+        ]);
+
+        $this->syncTransferPaymentConfiguration();
+
+        $response->success = true;
+        $response->message = 'IBAN-Informationen wurden gespeichert.';
+
+        return $response;
+    }
+
+    /**
+     * Übernimmt die eingegebenen IBAN-Daten direkt in die Tenant-Config der Überweisungs-Zahlungsart
+     * (Kontoinhaber/IBAN/BIC), damit sie nicht doppelt gepflegt werden müssen. Bestehende weitere
+     * Config-Werte (z.B. Symbol) bleiben erhalten. Der Ziel-Tenant kann ein verwalteter sein, daher
+     * ohne SiteScope explizit auf den Tenant-Slug gefiltert.
+     */
+    private function syncTransferPaymentConfiguration(): void
+    {
+        $slug = PaymentMethod::PAYMENT_ACCOUNT_TRANSACTION;
+
+        $method = AvailablePaymentMethod::withoutGlobalScope(SiteScope::class)
+            ->where('tenant', $this->request->tenant->slug)
+            ->where('slug', $slug)
+            ->first();
+
+        if ($method === null) {
+            return;
+        }
+
+        $method->configuration = PaymentMethod::sanitizeConfiguration($slug, array_merge(
+            $method->configuration ?? [],
+            [
+                'account_owner' => $this->request->accountName,
+                'iban' => $this->request->accountIban,
+                'bic' => $this->request->accountBic,
+            ],
+        ));
+        $method->save();
+    }
+}

app/Domains/Admin/Actions/UpdateTenantPayment/UpdateTenantPaymentRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantPayment;
+
+use App\Models\Tenant;
+
+class UpdateTenantPaymentRequest
+{
+    public function __construct(
+        public Tenant $tenant,
+        public string $accountIban,
+        public string $accountBic,
+        public string $accountName,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateTenantPayment/UpdateTenantPaymentResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantPayment;
+
+class UpdateTenantPaymentResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateTenantTax/UpdateTenantTaxAction.php

@@ -0,0 +1,104 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantTax;
+
+use App\Enumerations\VatPricingMode;
+use App\Models\Tenant;
+use App\Support\Text;
+
+class UpdateTenantTaxAction
+{
+    public function __construct(private UpdateTenantTaxRequest $request)
+    {
+    }
+
+    public function execute(): UpdateTenantTaxResponse
+    {
+        $response = new UpdateTenantTaxResponse();
+
+        // Präfixe sind großgeschrieben; null heißt "nicht mitgeschickt" und damit "unverändert".
+        $prefix = Text::nullIfBlank(strtoupper((string) $this->request->invoicePrefix));
+
+        if ($prefix !== null && $this->prefixTakenByAnotherTenant($prefix)) {
+            $response->message = sprintf('Das Rechnungs-Präfix "%s" wird bereits von einem anderen Mandanten genutzt.', $prefix);
+
+            return $response;
+        }
+
+        if ($this->request->taxLiable) {
+            $this->request->tenant->update($this->withInvoiceDetails([
+                'tax_liable' => true,
+                'vat_rate' => $this->clampVatRate($this->request->vatRate),
+                'vat_pricing_mode' => $this->request->vatPricingMode->value,
+                'tax_exemption_reason' => null,
+                'tax_exemption_note' => null,
+            ], $prefix));
+
+            $response->success = true;
+            $response->message = 'Steuerinformationen wurden gespeichert.';
+
+            return $response;
+        }
+
+        $reason = $this->request->exemptionReason;
+
+        if ($reason === null) {
+            $response->message = 'Bitte einen gültigen Befreiungsgrund auswählen.';
+
+            return $response;
+        }
+
+        $note = trim((string)$this->request->exemptionNote);
+
+        if ($reason->requires_note && $note === '') {
+            $response->message = 'Bitte einen Text für den Befreiungsgrund angeben.';
+
+            return $response;
+        }
+
+        $this->request->tenant->update($this->withInvoiceDetails([
+            'tax_liable' => false,
+            'vat_rate' => 0,
+            'vat_pricing_mode' => VatPricingMode::Inclusive->value,
+            'tax_exemption_reason' => $reason->slug,
+            'tax_exemption_note' => $reason->requires_note ? $note : null,
+        ], $prefix));
+
+        $response->success = true;
+        $response->message = 'Steuerinformationen wurden gespeichert.';
+
+        return $response;
+    }
+
+    private function clampVatRate(int $vatRate): int
+    {
+        return max(0, min(100, $vatRate));
+    }
+
+    /**
+     * Ergänzt die Rechnungsstellerangaben. Sie gelten unabhängig davon, ob Steuerpflicht besteht -- eine
+     * Steuernummer gehört auch auf eine steuerfreie Rechnung.
+     *
+     * @param array<string, mixed> $attributes
+     * @return array<string, mixed>
+     */
+    private function withInvoiceDetails(array $attributes, ?string $prefix): array
+    {
+        $attributes['tax_number'] = Text::nullIfBlank($this->request->taxNumber);
+        $attributes['vat_id'] = Text::nullIfBlank($this->request->vatId);
+
+        // Nicht mitgeschickt heißt "unverändert", nicht "leeren".
+        if ($prefix !== null) {
+            $attributes['invoice_prefix'] = $prefix;
+        }
+
+        return $attributes;
+    }
+
+    private function prefixTakenByAnotherTenant(string $prefix): bool
+    {
+        return Tenant::where('invoice_prefix', $prefix)
+            ->where('id', '!=', $this->request->tenant->id)
+            ->exists();
+    }
+}

app/Domains/Admin/Actions/UpdateTenantTax/UpdateTenantTaxRequest.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantTax;
+
+use App\Enumerations\TaxExemptionReason;
+use App\Enumerations\VatPricingMode;
+use App\Models\Tenant;
+
+class UpdateTenantTaxRequest
+{
+    public function __construct(
+        public Tenant $tenant,
+        public bool $taxLiable,
+        public int $vatRate,
+        public ?TaxExemptionReason $exemptionReason,
+        public ?string $exemptionNote,
+        public VatPricingMode $vatPricingMode,
+        /** Steuernummer bzw. USt-IdNr. -- Pflichtangabe auf Rechnungen (§ 14 Abs. 4 Nr. 2 UStG). */
+        public ?string $taxNumber = null,
+        public ?string $vatId = null,
+        /**
+         * Erster Block der Rechnungsnummer. `null` heißt "unverändert lassen" -- im Self-Service wird das
+         * Feld gar nicht erst mitgeschickt, damit ein bestehender Nummernkreis nicht bricht.
+         */
+        public ?string $invoicePrefix = null,
+    )
+    {
+    }
+}

app/Domains/Admin/Actions/UpdateTenantTax/UpdateTenantTaxResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateTenantTax;
+
+class UpdateTenantTaxResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Actions/UpdateUser/UpdateUserAction.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateUser;
+
+class UpdateUserAction
+{
+    public function __construct(private UpdateUserRequest $request)
+    {
+    }
+
+    public function execute(): UpdateUserResponse
+    {
+        $response = new UpdateUserResponse();
+
+        $allowedFields = [
+            'firstname', 'lastname', 'nickname', 'email', 'phone', 'birthday',
+            'membership_id', 'address_1', 'address_2', 'postcode', 'city',
+            'eating_habits', 'swimming_permission', 'first_aid_permission',
+            'bank_account_owner', 'bank_account_iban',
+            'medications', 'allergies', 'intolerances',
+            'user_role_local_group',
+        ];
+
+        if ($this->request->isLvTenant) {
+            $allowedFields[] = 'local_group';
+            if (!$this->request->isOwnUser) {
+                $allowedFields[] = 'user_role_main';
+            }
+        }
+
+        $data = array_intersect_key($this->request->data, array_flip($allowedFields));
+        $this->request->user->update($data);
+
+        $response->success = true;
+        $response->message = 'Benutzerdaten wurden gespeichert.';
+
+        return $response;
+    }
+}

app/Domains/Admin/Actions/UpdateUser/UpdateUserRequest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateUser;
+
+use App\Models\User;
+
+class UpdateUserRequest
+{
+    public function __construct(
+        public User $user,
+        public array $data,
+        public bool $isOwnUser,
+        public bool $isLvTenant,
+    ) {
+    }
+}

app/Domains/Admin/Actions/UpdateUser/UpdateUserResponse.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Domains\Admin\Actions\UpdateUser;
+
+class UpdateUserResponse
+{
+    public bool $success = false;
+    public string $message = '';
+}

app/Domains/Admin/Controllers/AdminDashboardController.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Inertia\Response;
+
+class AdminDashboardController extends CommonController
+{
+    public function __invoke(Request $request): Response
+    {
+        $inertiaProvider = new InertiaProvider('Admin/Dashboard', []);
+        return $inertiaProvider->render();
+    }
+}

app/Domains/Admin/Controllers/DocumentAssetDeleteController.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Models\DocumentAsset;
+use App\Models\DocumentTemplate;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+
+class DocumentAssetDeleteController extends CommonController
+{
+    public function __invoke(string $name): JsonResponse
+    {
+        $asset = DocumentAsset::where('name', $name)->first();
+
+        // Durchweg 200 mit Status im Body -- wie die übrigen Admin-Endpunkte, damit der Grund im Frontend
+        // ankommt (der Ajax-Helfer verwirft den Body bei Fehler-Statuscodes).
+        if ($asset === null) {
+            return response()->json(['status' => 'error', 'message' => 'Das Bild existiert nicht.']);
+        }
+
+        // Ein noch referenziertes Bild zu löschen würde stillschweigend eine Lücke in jede künftige
+        // Rechnung reißen -- der Platzhalter löst dann zu einem Leerstring auf.
+        if ($this->isReferenced($asset->name)) {
+            return response()->json([
+                'status' => 'error',
+                'message' => sprintf('Das Bild wird noch als {asset:%s} in der Vorlage verwendet.', $asset->name),
+            ]);
+        }
+
+        $asset->delete();
+
+        return response()->json(['status' => 'success', 'message' => 'Das Bild wurde gelöscht.']);
+    }
+
+    private function isReferenced(string $name): bool
+    {
+        return DocumentTemplate::query()
+            ->where('content', 'like', '%{asset:' . $name . '}%')
+            ->exists();
+    }
+}

app/Domains/Admin/Controllers/DocumentAssetUpdateController.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateDocumentAsset\UpdateDocumentAssetAction;
+use App\Domains\Admin\Actions\UpdateDocumentAsset\UpdateDocumentAssetRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class DocumentAssetUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new UpdateDocumentAssetAction(new UpdateDocumentAssetRequest(
+            name: (string) $request->input('name'),
+            label: $request->input('label'),
+            file: $request->file('file'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+            'token' => $response->asset !== null ? '{asset:' . $response->asset->name . '}' : null,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/DocumentTemplatesGetController.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Models\DocumentAsset;
+use App\Models\DocumentTemplate;
+use App\Models\DocumentTypeCatalog;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class DocumentTemplatesGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $documentType = (string) $request->input('type', DocumentTypeCatalog::default());
+
+        if (!DocumentTypeCatalog::has($documentType)) {
+            abort(422, 'Unbekannte Dokumentart.');
+        }
+
+        $blocks = DocumentTemplate::forType($documentType)
+            ->values()
+            ->map(fn(DocumentTemplate $block): array => [
+                'block' => $block->block,
+                'label' => DocumentTypeCatalog::blockLabel($documentType, $block->block),
+                'content' => (string) $block->content,
+                'editable' => $block->editable,
+                'source' => in_array($block->block, DocumentTypeCatalog::SOURCE_BLOCKS, true),
+            ]);
+
+        return response()->json([
+            'documentType' => $documentType,
+            'documentTypes' => DocumentTypeCatalog::options(),
+            'blocks' => $blocks,
+            // Die Bilder gelten für alle Dokumentarten -- sie hängen nicht am Typ.
+            'assets' => DocumentAsset::orderBy('name')->get()->map(fn(DocumentAsset $asset): array => [
+                'name' => $asset->name,
+                'label' => $asset->label,
+                'mime' => $asset->mime,
+                'token' => '{asset:' . $asset->name . '}',
+                'preview' => $asset->toDataUri(),
+            ]),
+            'tokenGroups' => DocumentTypeCatalog::tokenGroups($documentType),
+        ]);
+    }
+}

app/Domains/Admin/Controllers/DocumentTemplatesPageController.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Inertia\Response;
+
+class DocumentTemplatesPageController extends CommonController
+{
+    public function __invoke(): Response
+    {
+        return new InertiaProvider('Admin/DocumentTemplates', [])->render();
+    }
+}

app/Domains/Admin/Controllers/DocumentTemplatesPreviewController.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Models\DocumentTypeCatalog;
+use App\Providers\DocumentTemplateRenderProvider;
+use App\Providers\PdfGenerateAndDownloadProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+
+/**
+ * Rendert die Vorlage mit Beispieldaten, ohne sie zu speichern -- damit niemand blind HTML editiert.
+ */
+class DocumentTemplatesPreviewController extends CommonController
+{
+    public function __invoke(Request $request): Response
+    {
+        $documentType = (string) $request->input('type', DocumentTypeCatalog::default());
+
+        if (!DocumentTypeCatalog::has($documentType)) {
+            abort(422, 'Unbekannte Dokumentart.');
+        }
+
+        $html = new DocumentTemplateRenderProvider(
+            $documentType,
+            (array) $request->input('blocks', []),
+        )->render(DocumentTypeCatalog::sampleTokens($documentType));
+
+        return response(PdfGenerateAndDownloadProvider::fromHtml($html, 'portrait'), 200, [
+            'Content-Type' => 'application/pdf',
+            'Content-Disposition' => 'inline; filename="vorschau.pdf"',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/DocumentTemplatesUpdateController.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateDocumentTemplate\UpdateDocumentTemplateAction;
+use App\Domains\Admin\Actions\UpdateDocumentTemplate\UpdateDocumentTemplateRequest;
+use App\Models\DocumentTypeCatalog;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class DocumentTemplatesUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $documentType = (string) $request->input('type', DocumentTypeCatalog::default());
+
+        // Die Dokumentart bestimmt, welche Zeilen geschrieben werden -- ungeprüft weitergereicht wäre
+        // sie ein Weg, in beliebige Vorlagen zu schreiben.
+        if (!DocumentTypeCatalog::has($documentType)) {
+            abort(422, 'Unbekannte Dokumentart.');
+        }
+
+        $action = new UpdateDocumentTemplateAction(new UpdateDocumentTemplateRequest(
+            documentType: $documentType,
+            blocks: (array) $request->input('blocks', []),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantContactGetController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantContactGetController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        return response()->json([
+            'email' => $tenant->email,
+            'email_finance' => $tenant->email_finance,
+            'invoice_sender_name' => $tenant->invoice_sender_name,
+            // Als Platzhalter im Formular: so heisst der Absender, solange nichts eingetragen ist.
+            'name' => $tenant->name,
+            'phone' => $tenant->phone,
+            'address_1' => $tenant->address_1,
+            'address_2' => $tenant->address_2,
+            'address_3' => $tenant->address_3,
+            'postcode' => $tenant->postcode,
+            'city' => $tenant->city,
+            'saveEndpoint' => '/api/v1/admin/tenants/' . $slug . '/contact',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantContactUpdateController.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantContact\UpdateTenantContactAction;
+use App\Domains\Admin\Actions\UpdateTenantContact\UpdateTenantContactRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantContactUpdateController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $action = new UpdateTenantContactAction(new UpdateTenantContactRequest(
+            tenant: $tenant,
+            email: $request->input('email'),
+            emailFinance: $request->input('email_finance'),
+            postcode: $request->input('postcode'),
+            city: $request->input('city'),
+            invoiceSenderName: $request->input('invoice_sender_name'),
+            address1: $request->input('address_1'),
+            address2: $request->input('address_2'),
+            address3: $request->input('address_3'),
+            phone: $request->input('phone'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantGdprGetController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantGdprGetController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        return response()->json([
+            'gdpr_text' => $tenant->gdpr_text ?? '',
+            'saveEndpoint' => '/api/v1/admin/tenants/' . $slug . '/gdpr',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantGdprUpdateController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantGdpr\UpdateTenantGdprAction;
+use App\Domains\Admin\Actions\UpdateTenantGdpr\UpdateTenantGdprRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantGdprUpdateController extends CommonController
+{
+
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $action = new UpdateTenantGdprAction(new UpdateTenantGdprRequest(
+            tenant: $tenant,
+            gdprText: $request->input('gdpr_text'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantImpressGetController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantImpressGetController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        return response()->json([
+            'impress_text' => $tenant->impress_text ?? '',
+            'saveEndpoint' => '/api/v1/admin/tenants/' . $slug . '/impress',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantImpressUpdateController.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantImpress\UpdateTenantImpressAction;
+use App\Domains\Admin\Actions\UpdateTenantImpress\UpdateTenantImpressRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantImpressUpdateController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $action = new UpdateTenantImpressAction(new UpdateTenantImpressRequest(
+            tenant: $tenant,
+            impressText: $request->input('impress_text'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantPaymentGetController.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantPaymentGetController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        return response()->json([
+            'account_iban' => $tenant->account_iban,
+            'account_bic' => $tenant->account_bic,
+            'account_name' => $tenant->account_name,
+            'saveEndpoint' => '/api/v1/admin/tenants/' . $slug . '/payment',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantPaymentUpdateController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantPayment\UpdateTenantPaymentAction;
+use App\Domains\Admin\Actions\UpdateTenantPayment\UpdateTenantPaymentRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantPaymentUpdateController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $action = new UpdateTenantPaymentAction(new UpdateTenantPaymentRequest(
+            tenant: $tenant,
+            accountIban: $request->input('account_iban'),
+            accountBic: $request->input('account_bic'),
+            accountName: $request->input('account_name'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantTaxGetController.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Enumerations\TaxExemptionReason;
+use App\Enumerations\VatPricingMode;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantTaxGetController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        return response()->json([
+            'tax_liable' => $tenant->tax_liable,
+            'vat_rate' => $tenant->vat_rate,
+            'tax_exemption_reason' => $tenant->tax_exemption_reason,
+            'tax_exemption_note' => $tenant->tax_exemption_note,
+            'vat_pricing_mode' => $tenant->vat_pricing_mode,
+            'tax_number' => $tenant->tax_number,
+            'vat_id' => $tenant->vat_id,
+            'invoice_prefix' => $tenant->invoice_prefix,
+            // In der Mandanten-Verwaltung ist der Nummernkreis änderbar.
+            'can_edit_invoice_prefix' => true,
+            'exemption_reasons' => TaxExemptionReason::options(),
+            'pricing_modes' => VatPricingMode::options(),
+            'saveEndpoint' => '/api/v1/admin/tenants/' . $slug . '/tax',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/ManagedTenantTaxUpdateController.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantTax\UpdateTenantTaxAction;
+use App\Domains\Admin\Actions\UpdateTenantTax\UpdateTenantTaxRequest;
+use App\Enumerations\TaxExemptionReason;
+use App\Enumerations\VatPricingMode;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ManagedTenantTaxUpdateController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $action = new UpdateTenantTaxAction(new UpdateTenantTaxRequest(
+            tenant: $tenant,
+            taxLiable: $request->boolean('tax_liable'),
+            vatRate: (int)$request->input('vat_rate', 0),
+            exemptionReason: TaxExemptionReason::where('slug', $request->input('tax_exemption_reason'))->first(),
+            exemptionNote: $request->input('tax_exemption_note'),
+            vatPricingMode: VatPricingMode::tryFrom((string) $request->input('vat_pricing_mode', 'inclusive')) ?? VatPricingMode::Inclusive,
+            taxNumber: $request->input('tax_number'),
+            vatId: $request->input('vat_id'),
+            invoicePrefix: $request->input('invoice_prefix'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantContactGetController.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantContactGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        return response()->json([
+            'email' => $this->tenant->email,
+            'email_finance' => $this->tenant->email_finance,
+            'invoice_sender_name' => $this->tenant->invoice_sender_name,
+            // Als Platzhalter im Formular: so heisst der Absender, solange nichts eingetragen ist.
+            'name' => $this->tenant->name,
+            'phone' => $this->tenant->phone,
+            'address_1' => $this->tenant->address_1,
+            'address_2' => $this->tenant->address_2,
+            'address_3' => $this->tenant->address_3,
+            'postcode' => $this->tenant->postcode,
+            'city' => $this->tenant->city,
+            'saveEndpoint' => '/api/v1/admin/tenant/contact',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantContactUpdateController.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantContact\UpdateTenantContactAction;
+use App\Domains\Admin\Actions\UpdateTenantContact\UpdateTenantContactRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantContactUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new UpdateTenantContactAction(new UpdateTenantContactRequest(
+            tenant: $this->tenant,
+            email: $request->input('email'),
+            emailFinance: $request->input('email_finance'),
+            postcode: $request->input('postcode'),
+            city: $request->input('city'),
+            invoiceSenderName: $request->input('invoice_sender_name'),
+            address1: $request->input('address_1'),
+            address2: $request->input('address_2'),
+            address3: $request->input('address_3'),
+            phone: $request->input('phone'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantCreateController.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\CreateTenant\CreateTenantAction;
+use App\Domains\Admin\Actions\CreateTenant\CreateTenantRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantCreateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new CreateTenantAction(new CreateTenantRequest(
+            name: $request->input('name'),
+            slug: $request->input('slug'),
+            url: $request->input('url'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+            'slug' => $response->slug,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantEditPageController.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Inertia\Response;
+
+class TenantEditPageController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): Response
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $inertiaProvider = new InertiaProvider('Admin/TenantEdit', [
+            'tenant' => [
+                'name' => $tenant->name,
+                'slug' => $tenant->slug,
+                'url' => $tenant->url,
+                'is_active_local_group' => $tenant->is_active_local_group,
+            ],
+        ]);
+        return $inertiaProvider->render();
+    }
+}

app/Domains/Admin/Controllers/TenantGdprGetController.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantGdprGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        return response()->json([
+            'gdpr_text' => $this->tenant->gdpr_text ?? '',
+            'saveEndpoint' => '/api/v1/admin/tenant/gdpr',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantGdprUpdateController.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantGdpr\UpdateTenantGdprAction;
+use App\Domains\Admin\Actions\UpdateTenantGdpr\UpdateTenantGdprRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantGdprUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new UpdateTenantGdprAction(new UpdateTenantGdprRequest(
+            tenant: $this->tenant,
+            gdprText: $request->input('gdpr_text'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantGeneralGetController.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantGeneralGetController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        return response()->json([
+            'name' => $tenant->name,
+            'slug' => $tenant->slug,
+            'url' => $tenant->url,
+            'is_active_local_group' => $tenant->is_active_local_group,
+            'saveEndpoint' => '/api/v1/admin/tenants/' . $slug . '/general',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantGeneralUpdateController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantGeneral\UpdateTenantGeneralAction;
+use App\Domains\Admin\Actions\UpdateTenantGeneral\UpdateTenantGeneralRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantGeneralUpdateController extends CommonController
+{
+    public function __invoke(string $slug, Request $request): JsonResponse
+    {
+        $tenant = $this->adminTenants->findBySlug($slug);
+
+        $action = new UpdateTenantGeneralAction(new UpdateTenantGeneralRequest(
+            tenant: $tenant,
+            name: $request->input('name'),
+            slug: $request->input('slug'),
+            url: $request->input('url'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantImpressGetController.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantImpressGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        return response()->json([
+            'impress_text' => $this->tenant->impress_text ?? '',
+            'saveEndpoint' => '/api/v1/admin/tenant/impress',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantImpressUpdateController.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantImpress\UpdateTenantImpressAction;
+use App\Domains\Admin\Actions\UpdateTenantImpress\UpdateTenantImpressRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantImpressUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new UpdateTenantImpressAction(new UpdateTenantImpressRequest(
+            tenant: $this->tenant,
+            impressText: $request->input('impress_text'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantListApiController.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantListApiController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $tenants = $this->adminTenants->getActiveTenants();
+
+        $mapped = $tenants->map(function ($tenant) {
+            return [
+                'name' => $tenant->name,
+                'slug' => $tenant->slug,
+                'url' => $tenant->url,
+                'is_active_local_group' => $tenant->is_active_local_group,
+            ];
+        });
+
+        return response()->json(['tenants' => $mapped]);
+    }
+}

app/Domains/Admin/Controllers/TenantListPageController.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Inertia\Response;
+
+class TenantListPageController extends CommonController
+{
+    public function __invoke(Request $request): Response
+    {
+        $inertiaProvider = new InertiaProvider('Admin/TenantList', []);
+        return $inertiaProvider->render();
+    }
+}

app/Domains/Admin/Controllers/TenantPageController.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Inertia\Response;
+
+class TenantPageController extends CommonController
+{
+    public function __invoke(Request $request): Response
+    {
+        $inertiaProvider = new InertiaProvider('Admin/TenantData', [
+            'tenant' => [
+                'name' => $this->tenant->name,
+                'slug' => $this->tenant->slug,
+                'url' => $this->tenant->url,
+                'is_active_local_group' => $this->tenant->is_active_local_group,
+            ],
+        ]);
+        return $inertiaProvider->render();
+    }
+}

app/Domains/Admin/Controllers/TenantPaymentGetController.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantPaymentGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        return response()->json([
+            'account_iban' => $this->tenant->account_iban,
+            'account_bic' => $this->tenant->account_bic,
+            'account_name' => $this->tenant->account_name,
+            'saveEndpoint' => '/api/v1/admin/tenant/payment',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantPaymentMethodsGetController.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Models\AvailablePaymentMethod;
+use App\Resources\AvailablePaymentMethodResource;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantPaymentMethodsGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        return response()->json([
+            'paymentMethods' => AvailablePaymentMethod::all()
+                ->map(fn (AvailablePaymentMethod $method) => new AvailablePaymentMethodResource($method)->toArray($request)),
+            'saveEndpoint' => '/api/v1/admin/tenant/payment-methods',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantPaymentMethodsUpdateController.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateAvailablePaymentMethod\UpdateAvailablePaymentMethodAction;
+use App\Domains\Admin\Actions\UpdateAvailablePaymentMethod\UpdateAvailablePaymentMethodRequest;
+use App\Models\AvailablePaymentMethod;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantPaymentMethodsUpdateController extends CommonController
+{
+    public function __invoke(int $id, Request $request): JsonResponse
+    {
+        $availablePaymentMethod = AvailablePaymentMethod::findOrFail($id);
+
+        $action = new UpdateAvailablePaymentMethodAction(new UpdateAvailablePaymentMethodRequest(
+            availablePaymentMethod: $availablePaymentMethod,
+            name: $request->input('name'),
+            description: $request->input('description'),
+            active: (bool) $request->input('active'),
+            configuration: (array) $request->input('configuration', []),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantPaymentUpdateController.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantPayment\UpdateTenantPaymentAction;
+use App\Domains\Admin\Actions\UpdateTenantPayment\UpdateTenantPaymentRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantPaymentUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new UpdateTenantPaymentAction(new UpdateTenantPaymentRequest(
+            tenant: $this->tenant,
+            accountIban: $request->input('account_iban'),
+            accountBic: $request->input('account_bic'),
+            accountName: $request->input('account_name'),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantTaxGetController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Enumerations\TaxExemptionReason;
+use App\Enumerations\VatPricingMode;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantTaxGetController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        return response()->json([
+            'tax_liable' => $this->tenant->tax_liable,
+            'vat_rate' => $this->tenant->vat_rate,
+            'tax_exemption_reason' => $this->tenant->tax_exemption_reason,
+            'tax_exemption_note' => $this->tenant->tax_exemption_note,
+            'vat_pricing_mode' => $this->tenant->vat_pricing_mode,
+            'tax_number' => $this->tenant->tax_number,
+            'vat_id' => $this->tenant->vat_id,
+            'invoice_prefix' => $this->tenant->invoice_prefix,
+            // Im Self-Service nicht änderbar: das Präfix bestimmt den Nummernkreis.
+            'can_edit_invoice_prefix' => false,
+            'exemption_reasons' => TaxExemptionReason::options(),
+            'pricing_modes' => VatPricingMode::options(),
+            'saveEndpoint' => '/api/v1/admin/tenant/tax',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/TenantTaxUpdateController.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateTenantTax\UpdateTenantTaxAction;
+use App\Domains\Admin\Actions\UpdateTenantTax\UpdateTenantTaxRequest;
+use App\Enumerations\TaxExemptionReason;
+use App\Enumerations\VatPricingMode;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class TenantTaxUpdateController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $action = new UpdateTenantTaxAction(new UpdateTenantTaxRequest(
+            tenant: $this->tenant,
+            taxLiable: $request->boolean('tax_liable'),
+            vatRate: (int)$request->input('vat_rate', 0),
+            exemptionReason: TaxExemptionReason::where('slug', $request->input('tax_exemption_reason'))->first(),
+            exemptionNote: $request->input('tax_exemption_note'),
+            vatPricingMode: VatPricingMode::tryFrom((string) $request->input('vat_pricing_mode', 'inclusive')) ?? VatPricingMode::Inclusive,
+            taxNumber: $request->input('tax_number'),
+            vatId: $request->input('vat_id'),
+            // invoice_prefix wird hier bewusst nicht durchgereicht -- der Nummernkreis ist nur in der
+            // Mandanten-Verwaltung änderbar.
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/UserDetailGetController.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Enumerations\UserRole;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class UserDetailGetController extends CommonController
+{
+    public function __invoke(int $id, Request $request): JsonResponse
+    {
+        $user = $this->adminUsers->findById($id);
+
+        $userData = $user->toArray();
+        unset($userData['password'], $userData['remember_token'], $userData['activation_token'], $userData['activation_token_expires_at']);
+
+        $tenantNames = $this->adminTenants->getTenantNames();
+        $userData['nicename'] = $user->getNicename();
+        $userData['fullname'] = $user->getFullName();
+        $userData['local_group_name'] = $tenantNames[$user->local_group] ?? $user->local_group;
+
+        return response()->json([
+            'user' => $userData,
+            'isOwnUser' => auth()->id() === $user->id,
+            'isLvTenant' => $this->tenant->slug === 'lv',
+            'userRoles' => UserRole::all()->map(fn($role) => ['slug' => $role->slug, 'name' => $role->name]),
+            'localGroups' => $this->adminTenants->getActiveLocalGroups()->map(fn($t) => ['slug' => $t->slug, 'name' => $t->name]),
+        ]);
+    }
+}

app/Domains/Admin/Controllers/UserListApiController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class UserListApiController extends CommonController
+{
+    public function __invoke(Request $request): JsonResponse
+    {
+        $tenantNames = $this->adminTenants->getTenantNames();
+        $users = $this->adminUsers->getListForTenant($this->tenant->slug);
+
+        $mapped = $users->map(function ($user) use ($tenantNames) {
+            return [
+                'id' => $user->id,
+                'firstname' => $user->firstname,
+                'lastname' => $user->lastname,
+                'nickname' => $user->nickname,
+                'local_group' => $user->local_group,
+                'local_group_name' => $tenantNames[$user->local_group] ?? $user->local_group,
+                'active' => $user->active,
+            ];
+        });
+
+        return response()->json(['users' => $mapped]);
+    }
+}

app/Domains/Admin/Controllers/UserListPageController.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Inertia\Response;
+
+class UserListPageController extends CommonController
+{
+    public function __invoke(Request $request): Response
+    {
+        $inertiaProvider = new InertiaProvider('Admin/UserList', [
+            'isLvTenant' => $this->tenant->slug === 'lv',
+        ]);
+        return $inertiaProvider->render();
+    }
+}

app/Domains/Admin/Controllers/UserResetPasswordController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\UserManagement\Actions\GenerateActivationToken\GenerateActivationTokenCommand;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class UserResetPasswordController extends CommonController
+{
+    public function __invoke(int $id, Request $request): JsonResponse
+    {
+        $user = $this->adminUsers->findById($id);
+
+        if (!$user->email) {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Benutzer*in hat keine E-Mail-Adresse hinterlegt.',
+            ]);
+        }
+
+        $command = new GenerateActivationTokenCommand($user);
+        $command->execute();
+
+        return response()->json([
+            'status' => 'success',
+            'message' => 'Passwort-Reset-Mail wurde gesendet.',
+        ]);
+    }
+}

app/Domains/Admin/Controllers/UserToggleActiveController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\ToggleUserActive\ToggleUserActiveAction;
+use App\Domains\Admin\Actions\ToggleUserActive\ToggleUserActiveRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class UserToggleActiveController extends CommonController
+{
+    public function __invoke(int $id, Request $request): JsonResponse
+    {
+        $user = $this->adminUsers->findById($id);
+
+        $action = new ToggleUserActiveAction(new ToggleUserActiveRequest(
+            user: $user,
+            currentUserId: auth()->id(),
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+            'active' => $response->active,
+        ]);
+    }
+}

app/Domains/Admin/Controllers/UserUpdateController.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Domains\Admin\Controllers;
+
+use App\Domains\Admin\Actions\UpdateUser\UpdateUserAction;
+use App\Domains\Admin\Actions\UpdateUser\UpdateUserRequest;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class UserUpdateController extends CommonController
+{
+    public function __invoke(int $id, Request $request): JsonResponse
+    {
+        $user = $this->adminUsers->findById($id);
+
+        $action = new UpdateUserAction(new UpdateUserRequest(
+            user: $user,
+            data: $request->all(),
+            isOwnUser: auth()->id() === $user->id,
+            isLvTenant: $this->tenant->slug === 'lv',
+        ));
+
+        $response = $action->execute();
+
+        return response()->json([
+            'status' => $response->success ? 'success' : 'error',
+            'message' => $response->message,
+        ]);
+    }
+}

app/Domains/Admin/Repositories/AdminTenantRepository.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Domains\Admin\Repositories;
+
+use App\Models\Tenant;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Support\Collection as SupportCollection;
+
+class AdminTenantRepository
+{
+    public function findBySlug(string $slug): Tenant
+    {
+        return Tenant::where('slug', $slug)->firstOrFail();
+    }
+
+    public function getActiveTenants(): Collection
+    {
+        return Tenant::where('has_active_instance', true)->get();
+    }
+
+    public function getTenantNames(): SupportCollection
+    {
+        return Tenant::pluck('name', 'slug');
+    }
+
+    public function getActiveLocalGroups(): Collection
+    {
+        return Tenant::where('is_active_local_group', true)->get();
+    }
+}

app/Domains/Admin/Repositories/AdminUserRepository.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Domains\Admin\Repositories;
+
+use App\Models\User;
+use Illuminate\Database\Eloquent\Collection;
+
+class AdminUserRepository
+{
+    public function findById(int $id): User
+    {
+        return User::findOrFail($id);
+    }
+
+    public function getListForTenant(string $tenantSlug): Collection
+    {
+        $query = User::query();
+
+        if ($tenantSlug !== 'lv') {
+            $query->where('local_group', $tenantSlug);
+        }
+
+        return $query->orderBy('lastname')->orderBy('firstname')->get();
+    }
+}

app/Domains/Admin/Routes/api.php

@@ -0,0 +1,101 @@
+<?php
+
+use App\Domains\Admin\Controllers\DocumentAssetDeleteController;
+use App\Domains\Admin\Controllers\DocumentAssetUpdateController;
+use App\Domains\Admin\Controllers\DocumentTemplatesGetController;
+use App\Domains\Admin\Controllers\DocumentTemplatesPreviewController;
+use App\Domains\Admin\Controllers\DocumentTemplatesUpdateController;
+use App\Domains\Admin\Controllers\ManagedTenantContactGetController;
+use App\Domains\Admin\Controllers\ManagedTenantContactUpdateController;
+use App\Domains\Admin\Controllers\ManagedTenantGdprGetController;
+use App\Domains\Admin\Controllers\ManagedTenantGdprUpdateController;
+use App\Domains\Admin\Controllers\ManagedTenantImpressGetController;
+use App\Domains\Admin\Controllers\ManagedTenantImpressUpdateController;
+use App\Domains\Admin\Controllers\ManagedTenantPaymentGetController;
+use App\Domains\Admin\Controllers\ManagedTenantPaymentUpdateController;
+use App\Domains\Admin\Controllers\ManagedTenantTaxGetController;
+use App\Domains\Admin\Controllers\ManagedTenantTaxUpdateController;
+use App\Domains\Admin\Controllers\TenantContactGetController;
+use App\Domains\Admin\Controllers\TenantContactUpdateController;
+use App\Domains\Admin\Controllers\TenantCreateController;
+use App\Domains\Admin\Controllers\TenantGdprGetController;
+use App\Domains\Admin\Controllers\TenantGdprUpdateController;
+use App\Domains\Admin\Controllers\TenantGeneralGetController;
+use App\Domains\Admin\Controllers\TenantGeneralUpdateController;
+use App\Domains\Admin\Controllers\TenantImpressGetController;
+use App\Domains\Admin\Controllers\TenantImpressUpdateController;
+use App\Domains\Admin\Controllers\TenantListApiController;
+use App\Domains\Admin\Controllers\TenantPaymentGetController;
+use App\Domains\Admin\Controllers\TenantPaymentMethodsGetController;
+use App\Domains\Admin\Controllers\TenantPaymentMethodsUpdateController;
+use App\Domains\Admin\Controllers\TenantPaymentUpdateController;
+use App\Domains\Admin\Controllers\TenantTaxGetController;
+use App\Domains\Admin\Controllers\TenantTaxUpdateController;
+use App\Domains\Admin\Controllers\UserDetailGetController;
+use App\Domains\Admin\Controllers\UserListApiController;
+use App\Domains\Admin\Controllers\UserResetPasswordController;
+use App\Domains\Admin\Controllers\UserToggleActiveController;
+use App\Domains\Admin\Controllers\UserUpdateController;
+use App\Middleware\AdminRoleMiddleware;
+use App\Middleware\IdentifyTenant;
+use App\Middleware\LvOnlyMiddleware;
+use App\Middleware\MainAdminRoleMiddleware;
+use Illuminate\Support\Facades\Route;
+
+Route::middleware([IdentifyTenant::class, 'auth', AdminRoleMiddleware::class])->group(function () {
+    Route::prefix('api/v1/admin/tenant')->group(function () {
+        Route::get('/contact', TenantContactGetController::class);
+        Route::post('/contact', TenantContactUpdateController::class);
+        Route::get('/payment', TenantPaymentGetController::class);
+        Route::post('/payment', TenantPaymentUpdateController::class);
+        Route::get('/payment-methods', TenantPaymentMethodsGetController::class);
+        Route::post('/payment-methods/{id}', TenantPaymentMethodsUpdateController::class);
+        Route::get('/impress', TenantImpressGetController::class);
+        Route::post('/impress', TenantImpressUpdateController::class);
+        Route::get('/gdpr', TenantGdprGetController::class);
+        Route::post('/gdpr', TenantGdprUpdateController::class);
+        Route::get('/tax', TenantTaxGetController::class);
+        Route::post('/tax', TenantTaxUpdateController::class);
+    });
+
+    Route::prefix('api/v1/admin/users')->group(function () {
+        Route::get('/list', UserListApiController::class);
+        Route::get('/{id}', UserDetailGetController::class);
+        Route::post('/{id}', UserUpdateController::class);
+        Route::post('/{id}/toggle-active', UserToggleActiveController::class);
+        Route::post('/{id}/reset-password', UserResetPasswordController::class);
+    });
+
+    // Dokumentvorlagen gelten app-weit für alle Mandanten -- deshalb nur für Hauptadministrator*innen,
+    // AdminRoleMiddleware allein ließe auch Gruppenleitungen durch.
+    Route::middleware(MainAdminRoleMiddleware::class)->group(function () {
+        Route::prefix('api/v1/admin/document-templates')->group(function () {
+            Route::get('/', DocumentTemplatesGetController::class);
+            Route::post('/', DocumentTemplatesUpdateController::class);
+            Route::post('/preview', DocumentTemplatesPreviewController::class);
+            Route::post('/assets', DocumentAssetUpdateController::class);
+            Route::delete('/assets/{name}', DocumentAssetDeleteController::class);
+        });
+    });
+
+    Route::middleware(LvOnlyMiddleware::class)->group(function () {
+        Route::prefix('api/v1/admin/tenants')->group(function () {
+            Route::get('/list', TenantListApiController::class);
+            Route::post('/create', TenantCreateController::class);
+            Route::prefix('/{slug}')->group(function () {
+                Route::get('/general', TenantGeneralGetController::class);
+                Route::post('/general', TenantGeneralUpdateController::class);
+                Route::get('/contact', ManagedTenantContactGetController::class);
+                Route::post('/contact', ManagedTenantContactUpdateController::class);
+                Route::get('/payment', ManagedTenantPaymentGetController::class);
+                Route::post('/payment', ManagedTenantPaymentUpdateController::class);
+                Route::get('/impress', ManagedTenantImpressGetController::class);
+                Route::post('/impress', ManagedTenantImpressUpdateController::class);
+                Route::get('/gdpr', ManagedTenantGdprGetController::class);
+                Route::post('/gdpr', ManagedTenantGdprUpdateController::class);
+                Route::get('/tax', ManagedTenantTaxGetController::class);
+                Route::post('/tax', ManagedTenantTaxUpdateController::class);
+            });
+        });
+    });
+});

app/Domains/Admin/Routes/web.php

@@ -0,0 +1,31 @@
+<?php
+
+use App\Domains\Admin\Controllers\AdminDashboardController;
+use App\Domains\Admin\Controllers\DocumentTemplatesPageController;
+use App\Domains\Admin\Controllers\TenantEditPageController;
+use App\Domains\Admin\Controllers\TenantListPageController;
+use App\Domains\Admin\Controllers\TenantPageController;
+use App\Domains\Admin\Controllers\UserListPageController;
+use App\Middleware\AdminRoleMiddleware;
+use App\Middleware\IdentifyTenant;
+use App\Middleware\LvOnlyMiddleware;
+use App\Middleware\MainAdminRoleMiddleware;
+use Illuminate\Support\Facades\Route;
+
+Route::middleware([IdentifyTenant::class, 'auth', AdminRoleMiddleware::class])->group(function () {
+    Route::prefix('admin')->group(function () {
+        Route::get('/', AdminDashboardController::class);
+        Route::get('/tenant', TenantPageController::class);
+        Route::get('/users', UserListPageController::class);
+
+        // App-weit gültige Dokumentvorlagen -- nur für Hauptadministrator*innen.
+        Route::middleware(MainAdminRoleMiddleware::class)->group(function () {
+            Route::get('/document-templates', DocumentTemplatesPageController::class);
+        });
+
+        Route::middleware(LvOnlyMiddleware::class)->group(function () {
+            Route::get('/tenants', TenantListPageController::class);
+            Route::get('/tenants/{slug}', TenantEditPageController::class);
+        });
+    });
+});

app/Domains/Admin/Views/Dashboard.vue

@@ -0,0 +1,15 @@
+<script setup>
+import AdminAppLayout from "../../../../resources/js/layouts/AdminAppLayout.vue";
+import ShadowedBox from "../../../Views/Components/ShadowedBox.vue";
+</script>
+
+<template>
+    <AdminAppLayout title="Administration">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px; overflow-x: hidden;">
+            <h2>Administration</h2>
+        </shadowed-box>
+    </AdminAppLayout>
+</template>
+
+<style scoped>
+</style>

app/Domains/Admin/Views/DocumentTemplates.vue

@@ -0,0 +1,666 @@
+<script setup>
+import {computed, onMounted, ref} from 'vue'
+import {toast} from 'vue3-toastify'
+import AdminAppLayout from '../../../../resources/js/layouts/AdminAppLayout.vue'
+import ShadowedBox from '../../../Views/Components/ShadowedBox.vue'
+import TextEditor from '../../../Views/Components/TextEditor.vue'
+import {useAjax} from '../../../../resources/js/components/ajaxHandler.js'
+
+const {request} = useAjax()
+
+const blocks = ref([])
+const assets = ref([])
+const tokenGroups = ref({})
+
+// Die Vorlagen sind nach Dokumentart getrennt; der Umschalter lädt jeweils deren Blöcke neu.
+const documentType = ref(null)
+const documentTypes = ref([])
+
+const activeBlock = ref(null)
+const saving = ref(false)
+
+// Die Vorschau ist ein PDF, das aus den aktuellen -- auch ungespeicherten -- Blockinhalten entsteht.
+const previewUrl = ref(null)
+const previewLoading = ref(false)
+
+const newAsset = ref({name: '', label: '', file: null})
+const assetInput = ref(null)
+
+const current = computed(() => blocks.value.find(b => b.block === activeBlock.value) ?? null)
+
+/** Beim Blockwechsel die gemerkte Einfügemarke verwerfen -- sie gehört zum vorigen Text. */
+function selectBlock(block) {
+    activeBlock.value = block
+    caret.value = null
+}
+
+onMounted(load)
+
+async function load() {
+    const query = documentType.value ? '?type=' + encodeURIComponent(documentType.value) : ''
+    const data = await request('/api/v1/admin/document-templates' + query, {method: 'GET'})
+    if (!data) {
+        toast.error('Die Vorlage konnte nicht geladen werden.')
+        return
+    }
+
+    documentType.value = data.documentType
+    documentTypes.value = data.documentTypes ?? []
+    blocks.value = data.blocks ?? []
+    assets.value = data.assets ?? []
+    tokenGroups.value = data.tokenGroups ?? {}
+    activeBlock.value = blocks.value.find(b => b.editable)?.block ?? blocks.value[0]?.block ?? null
+
+    await refreshPreview()
+}
+
+/** Beim Wechsel der Dokumentart alles neu holen -- Blöcke und Platzhalter sind je Art andere. */
+async function selectDocumentType(type) {
+    if (type === documentType.value) return
+
+    documentType.value = type
+    caret.value = null
+    await load()
+}
+
+/** Nur editierbare Blöcke werden gesendet; der generierte Rechnungsinhalt bleibt unverändert. */
+function editableBlocks() {
+    return Object.fromEntries(
+        blocks.value.filter(b => b.editable).map(b => [b.block, b.content ?? ''])
+    )
+}
+
+async function save() {
+    saving.value = true
+
+    try {
+        const response = await request('/api/v1/admin/document-templates', {
+            method: 'POST',
+            body: {type: documentType.value, blocks: editableBlocks()},
+        })
+
+        if (response?.status === 'success') {
+            toast.success(response.message)
+        } else {
+            toast.error(response?.message ?? 'Fehler beim Speichern')
+        }
+    } finally {
+        saving.value = false
+    }
+}
+
+async function refreshPreview() {
+    previewLoading.value = true
+
+    try {
+        const response = await fetch('/api/v1/admin/document-templates/preview', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]')?.content ?? '',
+            },
+            body: JSON.stringify({type: documentType.value, blocks: editableBlocks()}),
+        })
+
+        if (!response.ok) {
+            toast.error('Die Vorschau konnte nicht erzeugt werden.')
+            return
+        }
+
+        if (previewUrl.value) {
+            URL.revokeObjectURL(previewUrl.value)
+        }
+
+        previewUrl.value = URL.createObjectURL(await response.blob())
+    } finally {
+        previewLoading.value = false
+    }
+}
+
+/**
+ * Platzhalter an der Einfügemarke ergänzen. Im WYSIWYG-Editor übernimmt das TinyMCE selbst, im
+ * Quelltext-Editor wird an der zuletzt bekannten Cursorposition eingesetzt.
+ */
+function insertToken(token) {
+    const block = current.value
+    if (!block) return
+
+    const placeholder = wrapForBlock('{' + token + '}', token, block)
+
+    if (block.source) {
+        insertIntoTextarea(placeholder)
+        return
+    }
+
+    const editor = window.tinymce?.activeEditor
+    if (editor) {
+        editor.execCommand('mceInsertContent', false, placeholder)
+    } else {
+        block.content = (block.content ?? '') + placeholder
+    }
+}
+
+/**
+ * Ein Bild-Platzhalter allein ist nirgends sinnvoll: er expandiert zum nackten Data-URI, das dann als
+ * Zeichenkette im Dokument steht. Er braucht immer eine Hülle — im CSS url("..."), sonst ein <img>.
+ *
+ * Im CSS ist das zusätzlich eine Frage der Funktionsfähigkeit: ein Data-URI ausserhalb von url()
+ * kann dompdf nicht verarbeiten und läuft ins Zeitlimit.
+ */
+function wrapForBlock(placeholder, token, block) {
+    if (!token.startsWith('asset:')) {
+        return placeholder
+    }
+
+    return block.block === 'style'
+        ? `url("${placeholder}")`
+        : `<img src="${placeholder}" alt="" />`
+}
+
+const sourceArea = ref(null)
+// Zuletzt bekannte Einfügemarke im Quelltext-Feld. Ohne das würde ein Klick in der weit darunter
+// liegenden Platzhalter- oder Bilder-Liste an unvorhersehbarer Stelle einfügen.
+const caret = ref(null)
+
+function rememberCaret() {
+    const area = sourceArea.value
+    if (!area) return
+
+    caret.value = {start: area.selectionStart, end: area.selectionEnd}
+}
+
+function insertIntoTextarea(text) {
+    const block = current.value
+    if (!block) return
+
+    const content = block.content ?? ''
+    const position = caret.value
+
+    if (position === null) {
+        block.content = content + text
+        return
+    }
+
+    block.content = content.slice(0, position.start) + text + content.slice(position.end)
+    caret.value = {start: position.start + text.length, end: position.start + text.length}
+}
+
+async function uploadAsset() {
+    const form = new FormData()
+    form.append('name', newAsset.value.name)
+    form.append('label', newAsset.value.label ?? '')
+    if (newAsset.value.file) {
+        form.append('file', newAsset.value.file)
+    }
+
+    const result = await request('/api/v1/admin/document-templates/assets', {
+        method: 'POST',
+        body: form,
+    })
+
+    if (result?.status === 'success') {
+        toast.success(result.message)
+        newAsset.value = {name: '', label: '', file: null}
+        if (assetInput.value) assetInput.value.value = ''
+        await load()
+    } else {
+        toast.error(result?.message ?? 'Fehler beim Hochladen')
+    }
+}
+
+async function deleteAsset(name) {
+    if (!confirm(`Das Bild „${name}" wirklich löschen?`)) return
+
+    const result = await request('/api/v1/admin/document-templates/assets/' + name, {method: 'DELETE'})
+
+    if (result?.status === 'success') {
+        toast.success(result.message)
+        await load()
+    } else {
+        // Ein noch in der Vorlage referenziertes Bild lehnt der Server ab.
+        toast.error(result?.message ?? 'Das Bild konnte nicht gelöscht werden.')
+    }
+}
+
+function copyToken(token) {
+    navigator.clipboard?.writeText(token)
+    toast.success(`${token} kopiert`)
+}
+
+function onFileChosen(event) {
+    newAsset.value.file = event.target.files?.[0] ?? null
+}
+</script>
+
+<template>
+    <AdminAppLayout title="Dokumentvorlagen">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px;">
+            <p class="intro">
+                Die Vorlagen gelten für <strong>alle Mandanten</strong>; die eingesetzten Werte kommen je
+                Dokument aus dem jeweiligen Mandanten. Sie liegen in der Datenbank und werden von einem
+                Update nicht überschrieben.
+            </p>
+
+            <div class="type-switch">
+                <label for="document-type">Dokumentart</label>
+                <select
+                    id="document-type"
+                    class="form-input"
+                    :value="documentType"
+                    @change="selectDocumentType($event.target.value)"
+                >
+                    <option v-for="type in documentTypes" :key="type.value" :value="type.value">
+                        {{ type.label }}
+                    </option>
+                </select>
+            </div>
+
+            <div class="layout">
+                <!-- ── Blöcke und Editor ── -->
+                <div class="editor-column">
+                    <div class="block-tabs">
+                        <button
+                            v-for="block in blocks"
+                            :key="block.block"
+                            class="block-tab"
+                            :class="{active: block.block === activeBlock, readonly: !block.editable}"
+                            @click="selectBlock(block.block)"
+                        >
+                            {{ block.label }}
+                            <span v-if="!block.editable" class="badge">generiert</span>
+                        </button>
+                    </div>
+
+                    <div v-if="current" class="editor-panel">
+                        <p v-if="!current.editable" class="notice">
+                            Dieser Block wird beim Erzeugen des Dokuments aus den Daten der Anmeldung
+                            zusammengesetzt und lässt sich nicht bearbeiten.
+                        </p>
+
+                        <p v-else-if="current.source" class="notice">
+                            Enthält den Seitenaufbau bzw. die Gestaltung und wird deshalb im Quelltext
+                            bearbeitet. Für Adresse, Logo oder Fußnote ist das nicht nötig.
+                        </p>
+
+                        <textarea
+                            v-if="current.source || !current.editable"
+                            ref="sourceArea"
+                            v-model="current.content"
+                            class="source-editor"
+                            :readonly="!current.editable"
+                            spellcheck="false"
+                            rows="24"
+                            @click="rememberCaret"
+                            @keyup="rememberCaret"
+                            @blur="rememberCaret"
+                        ></textarea>
+
+                        <!-- convert-urls aus: sonst schreibt TinyMCE {asset:...} in einem src um. -->
+                        <TextEditor v-else v-model="current.content" :convert-urls="false" />
+                    </div>
+
+                    <div class="actions">
+                        <button class="btn-save" :disabled="saving" @click="save">
+                            {{ saving ? 'Wird gespeichert…' : 'Speichern' }}
+                        </button>
+                        <button class="btn-secondary" :disabled="previewLoading" @click="refreshPreview">
+                            {{ previewLoading ? 'Wird erzeugt…' : 'Vorschau aktualisieren' }}
+                        </button>
+                    </div>
+
+                    <!-- ── Platzhalter ── -->
+                    <div class="tokens">
+                        <h3>Platzhalter</h3>
+                        <p class="tokens-hint">
+                            Klicken fügt den Platzhalter an der Einfügemarke ein — in
+                            <strong>{{ current?.label ?? '—' }}</strong>. Mit
+                            <code>{if:name}…{/if:name}</code> lässt sich ein Abschnitt weglassen, solange
+                            der Platzhalter leer ist.
+                        </p>
+
+                        <div v-for="(group, key) in tokenGroups" :key="key" class="token-group">
+                            <h4>{{ group.label }}</h4>
+                            <button
+                                v-for="(token, name) in group.tokens"
+                                :key="name"
+                                class="token"
+                                :title="token.description"
+                                @click="insertToken(name)"
+                            >{{ '{' + name + '}' }}</button>
+                        </div>
+                    </div>
+
+                    <!-- ── Bilder ── -->
+                    <div class="assets">
+                        <h3>Bilder</h3>
+                        <p class="tokens-hint">
+                            Liegen in der Datenbank, damit ein Update sie nicht überschreibt. „Einfügen"
+                            schreibt in <strong>{{ current?.label ?? '—' }}</strong><template
+                                v-if="current?.block === 'style'"> — im CSS als
+                            <code>url("…")</code>, anders kann dompdf ein Bild dort nicht verarbeiten</template>.
+                        </p>
+
+                        <table class="asset-table">
+                            <tr v-for="asset in assets" :key="asset.name">
+                                <td class="asset-preview"><img :src="asset.preview" :alt="asset.name" /></td>
+                                <td>
+                                    <strong>{{ asset.name }}</strong>
+                                    <span v-if="asset.label" class="asset-label">{{ asset.label }}</span>
+                                </td>
+                                <td>
+                                    <code class="token-code" @click="copyToken(asset.token)">{{ asset.token }}</code>
+                                </td>
+                                <td class="asset-actions">
+                                    <button class="btn-link" @click="insertToken('asset:' + asset.name)">Einfügen</button>
+                                    <button class="btn-link danger" @click="deleteAsset(asset.name)">Löschen</button>
+                                </td>
+                            </tr>
+                        </table>
+
+                        <div class="asset-upload">
+                            <input v-model="newAsset.name" type="text" placeholder="Name, z. B. logo" class="form-input" />
+                            <input v-model="newAsset.label" type="text" placeholder="Beschreibung (optional)" class="form-input" />
+                            <input ref="assetInput" type="file" accept="image/*" @change="onFileChosen" />
+                            <button class="btn-secondary" :disabled="!newAsset.name" @click="uploadAsset">
+                                Hochladen
+                            </button>
+                        </div>
+                    </div>
+                </div>
+
+                <!-- ── Vorschau ── -->
+                <div class="preview-column">
+                    <h3>Vorschau</h3>
+                    <p class="tokens-hint">Mit Beispieldaten, ohne zu speichern.</p>
+                    <iframe v-if="previewUrl" :src="previewUrl" class="preview-frame"></iframe>
+                    <p v-else class="notice">Noch keine Vorschau erzeugt.</p>
+                </div>
+            </div>
+        </shadowed-box>
+    </AdminAppLayout>
+</template>
+
+<style scoped>
+.intro {
+    margin-bottom: 20px;
+    padding: 10px 12px;
+    border-left: 3px solid #f5c400;
+    background-color: #fffef5;
+    font-size: 0.9rem;
+    color: #4b5563;
+}
+
+.type-switch {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    margin-bottom: 18px;
+}
+
+.type-switch label {
+    font-weight: bold;
+    font-size: 0.9rem;
+    color: #4b5563;
+}
+
+.type-switch select {
+    width: auto;
+    min-width: 220px;
+}
+
+.layout {
+    display: flex;
+    gap: 24px;
+    align-items: flex-start;
+}
+
+.editor-column {
+    flex: 1 1 60%;
+    min-width: 0;
+}
+
+.preview-column {
+    flex: 1 1 40%;
+    min-width: 320px;
+    position: sticky;
+    top: 20px;
+}
+
+.block-tabs {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 6px;
+    margin-bottom: 12px;
+}
+
+.block-tab {
+    padding: 6px 12px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    background-color: #ffffff;
+    cursor: pointer;
+    font-size: 0.85rem;
+    color: #374151;
+}
+
+.block-tab.active {
+    background-color: #1d4899;
+    border-color: #1d4899;
+    color: #ffffff;
+}
+
+.block-tab.readonly {
+    color: #6b7280;
+}
+
+.badge {
+    margin-left: 6px;
+    padding: 1px 5px;
+    border-radius: 3px;
+    background-color: #e5e7eb;
+    color: #4b5563;
+    font-size: 0.7rem;
+}
+
+.block-tab.active .badge {
+    background-color: rgba(255, 255, 255, 0.25);
+    color: #ffffff;
+}
+
+.editor-panel {
+    margin-bottom: 12px;
+}
+
+.notice {
+    margin-bottom: 10px;
+    font-size: 0.85rem;
+    color: #6b7280;
+}
+
+.source-editor {
+    width: 100%;
+    padding: 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-family: 'DejaVu Sans Mono', Menlo, Consolas, monospace;
+    font-size: 0.82rem;
+    line-height: 1.5;
+    box-sizing: border-box;
+    resize: vertical;
+}
+
+.source-editor[readonly] {
+    background-color: #f9fafb;
+    color: #6b7280;
+}
+
+.actions {
+    display: flex;
+    gap: 10px;
+    margin-bottom: 24px;
+}
+
+.btn-save, .btn-secondary {
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover:not(:disabled) {
+    background-color: #15803d;
+}
+
+.btn-secondary {
+    background-color: #e5e7eb;
+    color: #374151;
+}
+
+.btn-secondary:hover:not(:disabled) {
+    background-color: #d1d5db;
+}
+
+.btn-save:disabled, .btn-secondary:disabled {
+    opacity: 0.6;
+    cursor: default;
+}
+
+.tokens, .assets {
+    margin-bottom: 24px;
+}
+
+.tokens h3, .assets h3, .preview-column h3 {
+    margin-bottom: 6px;
+    font-size: 1rem;
+    color: #111827;
+}
+
+.tokens-hint {
+    margin-bottom: 10px;
+    font-size: 0.8rem;
+    color: #6b7280;
+}
+
+.tokens-hint code, .token-code {
+    padding: 1px 4px;
+    background-color: #f3f4f6;
+    border-radius: 3px;
+    font-size: 0.95em;
+}
+
+.token-group {
+    margin-bottom: 10px;
+}
+
+.token-group h4 {
+    margin-bottom: 4px;
+    font-size: 0.8rem;
+    font-weight: normal;
+    color: #6b7280;
+}
+
+.token {
+    margin: 0 4px 4px 0;
+    padding: 3px 8px;
+    border: 1px solid #d1d5db;
+    border-radius: 4px;
+    background-color: #f9fafb;
+    cursor: pointer;
+    font-family: 'DejaVu Sans Mono', Menlo, Consolas, monospace;
+    font-size: 0.75rem;
+    color: #374151;
+}
+
+.token:hover {
+    background-color: #eef2ff;
+    border-color: #1d4899;
+}
+
+.asset-table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-bottom: 12px;
+}
+
+.asset-table td {
+    padding: 6px 8px;
+    border-bottom: 1px solid #e5e7eb;
+    vertical-align: middle;
+    font-size: 0.85rem;
+}
+
+.asset-preview img {
+    max-width: 60px;
+    max-height: 40px;
+    display: block;
+}
+
+.asset-label {
+    display: block;
+    font-size: 0.75rem;
+    color: #6b7280;
+}
+
+.token-code {
+    cursor: pointer;
+    font-family: 'DejaVu Sans Mono', Menlo, Consolas, monospace;
+}
+
+.asset-actions {
+    text-align: right;
+    white-space: nowrap;
+}
+
+.btn-link {
+    padding: 2px 6px;
+    border: none;
+    background: none;
+    cursor: pointer;
+    font-size: 0.8rem;
+    color: #1d4899;
+}
+
+.btn-link.danger {
+    color: #b91c1c;
+}
+
+.asset-upload {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 8px;
+    align-items: center;
+}
+
+.form-input {
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.9rem;
+}
+
+.preview-frame {
+    width: 100%;
+    height: 780px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    background-color: #ffffff;
+}
+
+@media (max-width: 1100px) {
+    .layout {
+        flex-direction: column;
+    }
+
+    .preview-column {
+        position: static;
+        width: 100%;
+    }
+}
+</style>

app/Domains/Admin/Views/Partials/TenantContact.vue

@@ -0,0 +1,224 @@
+<script setup>
+import { ref } from 'vue';
+import { useAjax } from "../../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const { request } = useAjax()
+
+const editing = ref(false)
+// Solange kein eigener Absender eingetragen ist, steht auf der Rechnung der Name des Mandanten.
+const senderFallback = props.data.name ?? ''
+
+const form = ref({
+    invoice_sender_name: props.data.invoice_sender_name ?? '',
+    email: props.data.email ?? '',
+    email_finance: props.data.email_finance ?? '',
+    phone: props.data.phone ?? '',
+    address_1: props.data.address_1 ?? '',
+    address_2: props.data.address_2 ?? '',
+    address_3: props.data.address_3 ?? '',
+    postcode: props.data.postcode ?? '',
+    city: props.data.city ?? '',
+})
+
+async function save() {
+    const saveUrl = props.data.saveEndpoint ?? '/api/v1/admin/tenant/contact'
+    const response = await request(saveUrl, {
+        method: 'POST',
+        body: form.value,
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        editing.value = false
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <div v-if="!editing">
+        <table class="data-table">
+            <tr>
+                <th>Rechnungs-Absender:</th>
+                <td>
+                    {{ form.invoice_sender_name || senderFallback }}
+                    <span v-if="!form.invoice_sender_name" class="field-hint">
+                        Name des Mandanten, da nichts Eigenes hinterlegt ist
+                    </span>
+                </td>
+            </tr>
+            <tr><th>Email:</th><td>{{ form.email }}</td></tr>
+            <tr><th>Email Schatzmeister*in:</th><td>{{ form.email_finance }}</td></tr>
+            <tr><th>Telefon:</th><td>{{ form.phone || '—' }}</td></tr>
+            <tr><th>Straße &amp; Hausnummer:</th><td>{{ form.address_1 || '—' }}</td></tr>
+            <tr><th>Adresszusatz:</th><td>{{ form.address_2 || '—' }}</td></tr>
+            <tr><th>Weiterer Zusatz:</th><td>{{ form.address_3 || '—' }}</td></tr>
+            <tr><th>Postleitzahl:</th><td>{{ form.postcode }}</td></tr>
+            <tr><th>Ort:</th><td>{{ form.city }}</td></tr>
+        </table>
+
+        <p v-if="!form.address_1" class="hint">
+            Ohne Straße &amp; Hausnummer ist die Anschrift auf Rechnungen unvollständig
+            (§ 14 Abs. 4 UStG).
+        </p>
+        <button class="btn-edit" @click="editing = true">Bearbeiten</button>
+    </div>
+
+    <div v-else>
+        <table class="data-table">
+            <tr>
+                <th>Rechnungs-Absender:</th>
+                <td>
+                    <input
+                        type="text"
+                        v-model="form.invoice_sender_name"
+                        class="form-input"
+                        :placeholder="senderFallback"
+                    />
+                    <span class="field-hint">
+                        Vollständige Bezeichnung mit Rechtsform, wie sie auf der Rechnung stehen soll.
+                        Leer lassen, um den Namen des Mandanten zu verwenden.
+                    </span>
+                </td>
+            </tr>
+            <tr>
+                <th>Email:</th>
+                <td><input type="email" v-model="form.email" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Email Schatzmeister*in:</th>
+                <td><input type="email" v-model="form.email_finance" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Telefon:</th>
+                <td><input type="text" v-model="form.phone" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Straße &amp; Hausnummer:</th>
+                <td>
+                    <input type="text" v-model="form.address_1" class="form-input" />
+                    <span class="field-hint">Pflichtangabe für Rechnungen (§ 14 Abs. 4 UStG)</span>
+                </td>
+            </tr>
+            <tr>
+                <th>Adresszusatz:</th>
+                <td>
+                    <input type="text" v-model="form.address_2" class="form-input" placeholder="z. B. c/o Mustermensch" />
+                </td>
+            </tr>
+            <tr>
+                <th>Weiterer Zusatz:</th>
+                <td><input type="text" v-model="form.address_3" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Postleitzahl:</th>
+                <td><input type="text" v-model="form.postcode" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Ort:</th>
+                <td><input type="text" v-model="form.city" class="form-input" /></td>
+            </tr>
+        </table>
+        <div class="btn-group">
+            <button class="btn-save" @click="save">Speichern</button>
+            <button class="btn-cancel" @click="editing = false">Abbrechen</button>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th {
+    text-align: left;
+    padding: 8px 12px;
+    width: 200px;
+    color: #374151;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.data-table td {
+    padding: 8px 12px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.form-input {
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.95rem;
+    box-sizing: border-box;
+}
+
+.field-hint {
+    display: block;
+    margin-top: 4px;
+    font-size: 0.8rem;
+    color: #6b7280;
+}
+
+.hint {
+    margin-top: 12px;
+    padding: 10px 12px;
+    border-left: 3px solid #f5c400;
+    background-color: #fffef5;
+    font-size: 0.85rem;
+    color: #4b5563;
+}
+
+.btn-edit, .btn-save, .btn-cancel {
+    margin-top: 15px;
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-edit {
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-edit:hover {
+    background-color: #163a7a;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+    margin-left: 10px;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+}
+</style>

app/Domains/Admin/Views/Partials/TenantGdpr.vue

@@ -0,0 +1,87 @@
+<script setup>
+import { ref } from 'vue';
+import TextEditor from "../../../../Views/Components/TextEditor.vue";
+import { useAjax } from "../../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+import gdprTemplate from "../../../../../resources/templates/gdpr-template.html?raw";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const { request } = useAjax()
+
+const content = ref(props.data.gdpr_text ?? '')
+
+function autoGenerate() {
+    if (content.value && content.value.trim() !== '') {
+        toast.error('Der Editor ist nicht leer. Bitte leere den Inhalt zuerst, um die Vorlage zu verwenden.')
+        return
+    }
+
+    const today = new Date().toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: 'numeric' })
+    content.value = gdprTemplate.replace('[Datum]', today)
+}
+
+async function save() {
+    const saveUrl = props.data.saveEndpoint ?? '/api/v1/admin/tenant/gdpr'
+    const response = await request(saveUrl, {
+        method: 'POST',
+        body: { gdpr_text: content.value },
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <div>
+        <TextEditor v-model="content" />
+        <div class="btn-group">
+            <button class="btn-save" @click="save">Speichern</button>
+            <button class="btn-generate" @click="autoGenerate">Auto-generieren</button>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.btn-group {
+    display: flex;
+    gap: 10px;
+    margin-top: 15px;
+}
+
+.btn-save, .btn-generate {
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-generate {
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-generate:hover {
+    background-color: #163a7a;
+}
+</style>

app/Domains/Admin/Views/Partials/TenantGeneral.vue

@@ -0,0 +1,157 @@
+<script setup>
+import { ref } from 'vue';
+import { useAjax } from "../../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const { request } = useAjax()
+
+const editing = ref(false)
+const form = ref({
+    name: props.data.name ?? '',
+    slug: props.data.slug ?? '',
+    url: props.data.url ?? '',
+})
+
+async function save() {
+    const saveUrl = props.data.saveEndpoint ?? '/api/v1/admin/tenants/' + props.data.slug + '/general'
+    const response = await request(saveUrl, {
+        method: 'POST',
+        body: form.value,
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        editing.value = false
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <div v-if="!editing">
+        <table class="data-table">
+            <tr><th>Name:</th><td>{{ form.name }}</td></tr>
+            <tr><th>Slug:</th><td>{{ form.slug }}</td></tr>
+            <tr><th>URL:</th><td>{{ form.url }}</td></tr>
+            <tr><th>Status:</th><td>
+                <span class="badge-active">Aktiv</span>
+            </td></tr>
+        </table>
+        <button class="btn-edit" @click="editing = true">Bearbeiten</button>
+    </div>
+
+    <div v-else>
+        <table class="data-table">
+            <tr>
+                <th>Name:</th>
+                <td><input type="text" v-model="form.name" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Slug:</th>
+                <td><input type="text" v-model="form.slug" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>URL:</th>
+                <td><input type="text" v-model="form.url" class="form-input" /></td>
+            </tr>
+            <tr><th>Status:</th><td>
+                <span class="badge-active">Aktiv</span>
+            </td></tr>
+        </table>
+        <div class="btn-group">
+            <button class="btn-save" @click="save">Speichern</button>
+            <button class="btn-cancel" @click="editing = false">Abbrechen</button>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th {
+    text-align: left;
+    padding: 8px 12px;
+    width: 200px;
+    color: #374151;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.data-table td {
+    padding: 8px 12px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.form-input {
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.95rem;
+    box-sizing: border-box;
+}
+
+.badge-active {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #166534;
+    background-color: #dcfce7;
+    border: 1px solid #22c55e;
+}
+
+.btn-edit, .btn-save, .btn-cancel {
+    margin-top: 15px;
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-edit {
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-edit:hover {
+    background-color: #163a7a;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+    margin-left: 10px;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+}
+</style>

app/Domains/Admin/Views/Partials/TenantImpress.vue

@@ -0,0 +1,56 @@
+<script setup>
+import { ref } from 'vue';
+import TextEditor from "../../../../Views/Components/TextEditor.vue";
+import { useAjax } from "../../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const { request } = useAjax()
+
+const content = ref(props.data.impress_text ?? '')
+
+async function save() {
+    const saveUrl = props.data.saveEndpoint ?? '/api/v1/admin/tenant/impress'
+    const response = await request(saveUrl, {
+        method: 'POST',
+        body: { impress_text: content.value },
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <div>
+        <TextEditor v-model="content" />
+        <button class="btn-save" @click="save">Speichern</button>
+    </div>
+</template>
+
+<style scoped>
+.btn-save {
+    margin-top: 15px;
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+</style>

app/Domains/Admin/Views/Partials/TenantPayment.vue

@@ -0,0 +1,140 @@
+<script setup>
+import { ref } from 'vue';
+import { useAjax } from "../../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const { request } = useAjax()
+
+const editing = ref(false)
+const form = ref({
+    account_iban: props.data.account_iban ?? '',
+    account_bic: props.data.account_bic ?? '',
+    account_name: props.data.account_name ?? '',
+})
+
+async function save() {
+    const saveUrl = props.data.saveEndpoint ?? '/api/v1/admin/tenant/payment'
+    const response = await request(saveUrl, {
+        method: 'POST',
+        body: form.value,
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        editing.value = false
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <div v-if="!editing">
+        <table class="data-table">
+            <tr><th>IBAN:</th><td>{{ form.account_iban }}</td></tr>
+            <tr><th>BIC:</th><td>{{ form.account_bic }}</td></tr>
+            <tr><th>Name Kontoinhaber:</th><td>{{ form.account_name }}</td></tr>
+        </table>
+        <button class="btn-edit" @click="editing = true">Bearbeiten</button>
+    </div>
+
+    <div v-else>
+        <table class="data-table">
+            <tr>
+                <th>IBAN:</th>
+                <td><input type="text" v-model="form.account_iban" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>BIC:</th>
+                <td><input type="text" v-model="form.account_bic" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Name Kontoinhaber:</th>
+                <td><input type="text" v-model="form.account_name" class="form-input" /></td>
+            </tr>
+        </table>
+        <div class="btn-group">
+            <button class="btn-save" @click="save">Speichern</button>
+            <button class="btn-cancel" @click="editing = false">Abbrechen</button>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th {
+    text-align: left;
+    padding: 8px 12px;
+    width: 200px;
+    color: #374151;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.data-table td {
+    padding: 8px 12px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.form-input {
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.95rem;
+    box-sizing: border-box;
+}
+
+.btn-edit, .btn-save, .btn-cancel {
+    margin-top: 15px;
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-edit {
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-edit:hover {
+    background-color: #163a7a;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+    margin-left: 10px;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+}
+</style>

app/Domains/Admin/Views/Partials/TenantPaymentMethods.vue

@@ -0,0 +1,264 @@
+<script setup>
+import {computed, ref} from 'vue';
+import FullScreenModal from "../../../../Views/Components/FullScreenModal.vue";
+import TextEditor from "../../../../Views/Components/TextEditor.vue";
+import RichSelectBox from "../../../../Views/Components/RichSelectBox.vue";
+import {PAYMENT_METHOD_ICONS} from "../../../../../resources/js/constants/paymentMethodIcons.js";
+import {useAjax} from "../../../../../resources/js/components/ajaxHandler.js";
+import {toast} from "vue3-toastify";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const { request } = useAjax()
+
+const paymentMethods = ref(props.data.paymentMethods ?? [])
+const editing = ref(null)
+const form = ref({ name: '', description: '', active: true, configuration: {} })
+
+// Sind alle Pflichtfelder des aktuell bearbeiteten Moduls befüllt? Der Server ist die
+// eigentliche Autorität (Guard), das hier dient nur der Bedienführung.
+const requiredComplete = computed(() => {
+    if (!editing.value) return true
+    return (editing.value.optionsSchema ?? [])
+        .filter(option => option.required)
+        .every(option => {
+            const value = form.value.configuration[option.name]
+            return value !== undefined && value !== null && value !== ''
+        })
+})
+
+function edit(paymentMethod) {
+    editing.value = paymentMethod
+    const configuration = {}
+    for (const option of paymentMethod.optionsSchema ?? []) {
+        configuration[option.name] = paymentMethod.configuration?.[option.name] ?? ''
+    }
+    form.value = {
+        name: paymentMethod.name,
+        description: paymentMethod.description ?? '',
+        active: paymentMethod.active,
+        configuration,
+    }
+}
+
+function close() {
+    editing.value = null
+}
+
+async function save() {
+    const response = await request('/api/v1/admin/tenant/payment-methods/' + editing.value.id, {
+        method: 'POST',
+        body: form.value,
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        Object.assign(editing.value, form.value)
+        close()
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <table class="payment-method-table">
+        <thead>
+            <tr>
+                <th>Name</th>
+                <th>Status</th>
+                <th class="empty"></th>
+            </tr>
+        </thead>
+        <tbody>
+            <tr v-for="paymentMethod in paymentMethods" :key="paymentMethod.id">
+                <td>{{ paymentMethod.name }}</td>
+                <td>
+                    <span :class="paymentMethod.active ? 'badge-active' : 'badge-inactive'">
+                        {{ paymentMethod.active ? 'Aktiv' : 'Inaktiv' }}
+                    </span>
+                </td>
+                <td>
+                    <button class="btn-edit" @click="edit(paymentMethod)">Bearbeiten</button>
+                </td>
+            </tr>
+        </tbody>
+    </table>
+
+    <FullScreenModal :show="editing !== null" @close="close">
+        <template v-if="editing">
+            <h2>Zahlungsmodul bearbeiten</h2>
+            <table class="data-table">
+                <tr><th>Name</th><td><input type="text" v-model="form.name" class="form-input" /></td></tr>
+                <tr><th>Beschreibung</th><td><textarea v-model="form.description" class="form-input"></textarea></td></tr>
+                <tr v-for="option in editing.optionsSchema ?? []" :key="option.name">
+                    <th>{{ option.label }}<span v-if="option.required" class="required-marker">*</span></th>
+                    <td>
+                        <RichSelectBox v-if="option.type === 'icon'" v-model="form.configuration[option.name]"
+                                       :options="PAYMENT_METHOD_ICONS" placeholder="Symbol wählen…"/>
+                        <TextEditor v-else-if="option.type === 'richtext'" v-model="form.configuration[option.name]"/>
+                        <input v-else type="text" v-model="form.configuration[option.name]" class="form-input"/>
+                        <span v-if="option.hint" class="option-hint">{{ option.hint }}</span>
+                    </td>
+                </tr>
+                <tr>
+                    <th>Aktiv</th>
+                    <td>
+                        <input type="checkbox" v-model="form.active" :disabled="!requiredComplete && !form.active" />
+                        <span v-if="!requiredComplete" class="hint">Bitte zuerst alle Pflichtfelder (*) ausfüllen, um zu aktivieren.</span>
+                    </td>
+                </tr>
+            </table>
+            <div class="btn-group">
+                <button class="btn-save" @click="save">Speichern</button>
+                <button class="btn-cancel" @click="close">Abbrechen</button>
+            </div>
+        </template>
+    </FullScreenModal>
+</template>
+
+<style scoped>
+.payment-method-table {
+    width: 100%;
+    border-collapse: collapse;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    overflow: hidden;
+}
+
+.payment-method-table thead th {
+    text-align: left;
+    padding: 10px 16px;
+    background-color: #f9fafb;
+    color: #374151;
+    font-weight: bold;
+    border-bottom: 2px solid #d1d5db;
+}
+
+.payment-method-table tbody td {
+    padding: 10px 16px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.badge-active {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #166534;
+    background-color: #dcfce7;
+    border: 1px solid #22c55e;
+}
+
+.badge-inactive {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #991b1b;
+    background-color: #fee2e2;
+    border: 1px solid #ef4444;
+}
+
+.btn-edit {
+    padding: 6px 16px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-edit:hover {
+    background-color: #163a7a;
+}
+
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+    margin-top: 15px;
+}
+
+.data-table th {
+    text-align: left;
+    padding: 8px 12px;
+    width: 200px;
+    color: #374151;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.data-table td {
+    padding: 8px 12px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.form-input {
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.95rem;
+    box-sizing: border-box;
+}
+
+.required-marker {
+    color: #ef4444;
+    margin-left: 2px;
+}
+
+.hint {
+    display: block;
+    margin-top: 4px;
+    font-size: 0.8rem;
+    color: #b45309;
+}
+
+.option-hint {
+    display: block;
+    margin-top: 4px;
+    font-size: 0.8rem;
+    color: #6b7280;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+    margin-top: 15px;
+}
+
+.btn-save, .btn-cancel {
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+</style>

app/Domains/Admin/Views/Partials/TenantTaxInfo.vue

@@ -0,0 +1,317 @@
+<script setup>
+import {computed, ref} from 'vue';
+import {useAjax} from "../../../../../resources/js/components/ajaxHandler.js";
+import RichSelectBox from "../../../../Views/Components/RichSelectBox.vue";
+import {toast} from "vue3-toastify";
+
+const props = defineProps({
+    data: {
+        type: Object,
+        default: () => ({})
+    },
+})
+
+const {request} = useAjax()
+
+const editing = ref(false)
+
+const reasons = computed(() => props.data.exemption_reasons ?? [])
+const pricingModes = computed(() => props.data.pricing_modes ?? [])
+
+const liableOptions = [
+    {value: '1', label: 'Ja – Umsatzsteuer wird erhoben'},
+    {value: '0', label: 'Nein – umsatzsteuerbefreit'},
+]
+
+const form = ref({
+    tax_liable: props.data.tax_liable ? '1' : '0',
+    vat_rate: props.data.vat_rate ?? 0,
+    tax_exemption_reason: props.data.tax_exemption_reason ?? '',
+    tax_exemption_note: props.data.tax_exemption_note ?? '',
+    vat_pricing_mode: props.data.vat_pricing_mode ?? 'inclusive',
+    tax_number: props.data.tax_number ?? '',
+    vat_id: props.data.vat_id ?? '',
+    invoice_prefix: props.data.invoice_prefix ?? '',
+})
+
+// Das Präfix bestimmt den Nummernkreis und darf sich nachträglich nicht ändern -- sonst gehörten bereits
+// herausgegebene Rechnungen plötzlich zu einer anderen Nummer. Nur in der verwalteten Ansicht editierbar.
+const canEditPrefix = computed(() => props.data.can_edit_invoice_prefix === true)
+
+const isLiable = computed(() => form.value.tax_liable === '1')
+const isCustomReason = computed(() => form.value.tax_exemption_reason === 'custom')
+
+const selectedReason = computed(
+    () => reasons.value.find(r => r.value === form.value.tax_exemption_reason) ?? null
+)
+
+const pricingModeLabel = computed(
+    () => pricingModes.value.find(m => m.value === form.value.vat_pricing_mode)?.label ?? '—'
+)
+
+// Vorschau des Pflichthinweises nach § 14 Abs. 4 Nr. 8 UStG, der später auf der Rechnung erscheint.
+const invoiceHint = computed(() => {
+    if (isLiable.value) {
+        return `Umsatzsteuerpflichtig – USt-Satz: ${form.value.vat_rate || 0} %`
+    }
+    if (isCustomReason.value) {
+        return form.value.tax_exemption_note?.trim() || '—'
+    }
+    return selectedReason.value?.text || '—'
+})
+
+const reasonLabel = computed(() => selectedReason.value?.label ?? '—')
+
+async function save() {
+    const saveUrl = props.data.saveEndpoint ?? '/api/v1/admin/tenant/tax'
+    const response = await request(saveUrl, {
+        method: 'POST',
+        body: {
+            tax_liable: isLiable.value,
+            vat_rate: Number(form.value.vat_rate) || 0,
+            tax_exemption_reason: isLiable.value ? null : form.value.tax_exemption_reason,
+            tax_exemption_note: form.value.tax_exemption_note,
+            vat_pricing_mode: form.value.vat_pricing_mode,
+            tax_number: form.value.tax_number,
+            vat_id: form.value.vat_id,
+            invoice_prefix: canEditPrefix.value ? form.value.invoice_prefix : undefined,
+        },
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        editing.value = false
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+</script>
+
+<template>
+    <div v-if="!editing">
+        <table class="data-table">
+            <tr>
+                <th>Steuerpflicht</th>
+                <td>{{ isLiable ? 'Ja – Umsatzsteuer wird erhoben' : 'Nein – umsatzsteuerbefreit' }}</td>
+            </tr>
+            <tr v-if="isLiable">
+                <th>USt-Satz</th>
+                <td>{{ form.vat_rate || 0 }} %</td>
+            </tr>
+            <tr v-if="isLiable">
+                <th>Preismodus</th>
+                <td>{{ pricingModeLabel }}</td>
+            </tr>
+            <tr v-else>
+                <th>Befreiungsgrund</th>
+                <td>{{ reasonLabel }}</td>
+            </tr>
+            <tr>
+                <th>Rechnungshinweis</th>
+                <td>{{ invoiceHint }}</td>
+            </tr>
+            <tr>
+                <th>Steuernummer</th>
+                <td>{{ form.tax_number || '—' }}</td>
+            </tr>
+            <tr>
+                <th>USt-IdNr.</th>
+                <td>{{ form.vat_id || '—' }}</td>
+            </tr>
+            <tr>
+                <th>Rechnungs-Präfix</th>
+                <td>{{ form.invoice_prefix || '—' }}</td>
+            </tr>
+        </table>
+        <button class="btn-edit" @click="editing = true">Bearbeiten</button>
+    </div>
+
+    <div v-else>
+        <table class="data-table">
+            <tr>
+                <th>Steuerpflicht</th>
+                <td>
+                    <RichSelectBox v-model="form.tax_liable" :options="liableOptions"/>
+                </td>
+            </tr>
+
+            <tr v-if="isLiable">
+                <th>USt-Satz (%)</th>
+                <td><input type="number" min="0" max="100" v-model.number="form.vat_rate" class="form-input"/></td>
+            </tr>
+            <tr v-if="isLiable">
+                <th>Preismodus</th>
+                <td>
+                    <RichSelectBox v-model="form.vat_pricing_mode" :options="pricingModes"/>
+                </td>
+            </tr>
+
+            <template v-else>
+                <tr>
+                    <th>Befreiungsgrund</th>
+                    <td>
+                        <RichSelectBox
+                            v-model="form.tax_exemption_reason"
+                            :options="reasons"
+                            placeholder="Grund auswählen…"
+                        />
+                    </td>
+                </tr>
+                <tr v-if="isCustomReason">
+                    <th>Freitext</th>
+                    <td>
+                        <textarea
+                            v-model="form.tax_exemption_note"
+                            class="form-input"
+                            rows="3"
+                            placeholder="Hinweistext für die Rechnung…"
+                        ></textarea>
+                    </td>
+                </tr>
+            </template>
+
+            <tr>
+                <th>Rechnungshinweis</th>
+                <td class="hint-preview">{{ invoiceHint }}</td>
+            </tr>
+
+            <tr>
+                <th>Steuernummer</th>
+                <td>
+                    <input type="text" v-model="form.tax_number" class="form-input" />
+                    <span class="field-hint">
+                        Pflichtangabe auf Rechnungen — alternativ die USt-IdNr. (§ 14 Abs. 4 Nr. 2 UStG)
+                    </span>
+                </td>
+            </tr>
+            <tr>
+                <th>USt-IdNr.</th>
+                <td><input type="text" v-model="form.vat_id" class="form-input" /></td>
+            </tr>
+            <tr>
+                <th>Rechnungs-Präfix</th>
+                <td>
+                    <input
+                        type="text"
+                        v-model="form.invoice_prefix"
+                        class="form-input"
+                        :disabled="!canEditPrefix"
+                    />
+                    <span class="field-hint">
+                        Erster Block der Rechnungsnummer, z. B. <code>WM</code> in
+                        <code>WM-V-20260701-0005</code>.
+                        <template v-if="canEditPrefix">
+                            Eine Änderung wirkt nur auf künftige Veranstaltungen; bereits angelegte behalten
+                            ihre Nummer.
+                        </template>
+                        <template v-else>
+                            Änderbar nur in der Mandanten-Verwaltung.
+                        </template>
+                    </span>
+                </td>
+            </tr>
+        </table>
+        <div class="btn-group">
+            <button class="btn-save" @click="save">Speichern</button>
+            <button class="btn-cancel" @click="editing = false">Abbrechen</button>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th {
+    text-align: left;
+    padding: 8px 12px;
+    width: 200px;
+    color: #374151;
+    border-bottom: 1px solid #e5e7eb;
+    vertical-align: top;
+}
+
+.data-table td {
+    padding: 8px 12px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.form-input {
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.95rem;
+    box-sizing: border-box;
+    font-family: inherit;
+}
+
+.hint-preview {
+    color: #6b7280;
+    font-style: italic;
+}
+
+.field-hint {
+    display: block;
+    margin-top: 4px;
+    font-size: 0.8rem;
+    color: #6b7280;
+}
+
+.field-hint code {
+    padding: 1px 4px;
+    background-color: #f3f4f6;
+    border-radius: 3px;
+    font-size: 0.95em;
+}
+
+.form-input:disabled {
+    background-color: #f3f4f6;
+    color: #6b7280;
+}
+
+.btn-edit, .btn-save, .btn-cancel {
+    margin-top: 15px;
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-edit {
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-edit:hover {
+    background-color: #163a7a;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+    margin-left: 10px;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+}
+</style>

app/Domains/Admin/Views/Partials/UserDetail.vue

@@ -0,0 +1,331 @@
+<script setup>
+import { ref } from 'vue';
+import { useAjax } from "../../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+
+const props = defineProps({
+    data: Object,
+})
+
+const emit = defineEmits(['updated', 'closed'])
+
+const { request } = useAjax()
+
+const editing = ref(false)
+const user = props.data.user
+const isOwnUser = props.data.isOwnUser
+const isLvTenant = props.data.isLvTenant
+const userRoles = props.data.userRoles
+const localGroups = props.data.localGroups
+
+const form = ref({
+    firstname: user.firstname ?? '',
+    lastname: user.lastname ?? '',
+    nickname: user.nickname ?? '',
+    email: user.email ?? '',
+    phone: user.phone ?? '',
+    birthday: user.birthday ?? '',
+    membership_id: user.membership_id ?? '',
+    address_1: user.address_1 ?? '',
+    address_2: user.address_2 ?? '',
+    postcode: user.postcode ?? '',
+    city: user.city ?? '',
+    medications: user.medications ?? '',
+    allergies: user.allergies ?? '',
+    intolerances: user.intolerances ?? '',
+    bank_account_owner: user.bank_account_owner ?? '',
+    bank_account_iban: user.bank_account_iban ?? '',
+    user_role_local_group: user.user_role_local_group ?? '',
+    user_role_main: user.user_role_main ?? '',
+    local_group: user.local_group ?? '',
+})
+
+async function save() {
+    const response = await request('/api/v1/admin/users/' + user.id, {
+        method: 'POST',
+        body: form.value,
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        editing.value = false
+        emit('updated')
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Speichern')
+    }
+}
+
+async function toggleActive() {
+    const response = await request('/api/v1/admin/users/' + user.id + '/toggle-active', {
+        method: 'POST',
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        emit('updated')
+    } else {
+        toast.error(response?.message ?? 'Fehler')
+    }
+}
+
+async function resetPassword() {
+    const response = await request('/api/v1/admin/users/' + user.id + '/reset-password', {
+        method: 'POST',
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+    } else {
+        toast.error(response?.message ?? 'Fehler')
+    }
+}
+
+function getRoleName(slug) {
+    const role = userRoles.find(r => r.slug === slug)
+    return role ? role.name : slug
+}
+
+function getGroupName(slug) {
+    const group = localGroups.find(g => g.slug === slug)
+    return group ? group.name : slug
+}
+</script>
+
+<template>
+    <div>
+        <div class="detail-header">
+            <h3>{{ user.firstname }} {{ user.lastname }}</h3>
+            <div class="detail-actions">
+                <button v-if="!editing" class="btn-edit" @click="editing = true">Bearbeiten</button>
+                <button class="btn-reset" @click="resetPassword">Passwort zurücksetzen</button>
+                <button v-if="!isOwnUser" :class="user.active ? 'btn-deactivate' : 'btn-activate'" @click="toggleActive">
+                    {{ user.active ? 'Deaktivieren' : 'Aktivieren' }}
+                </button>
+                <button class="btn-close" @click="emit('closed')">Schließen</button>
+            </div>
+        </div>
+
+        <div v-if="!editing">
+            <table class="data-table">
+                <tr><th>Anmeldename:</th><td>{{ user.username }}</td></tr>
+                <tr><th>Vorname:</th><td>{{ form.firstname }}</td></tr>
+                <tr><th>Nachname:</th><td>{{ form.lastname }}</td></tr>
+                <tr><th>Nickname:</th><td>{{ form.nickname }}</td></tr>
+                <tr><th>E-Mail:</th><td>{{ form.email }}</td></tr>
+                <tr><th>Telefon:</th><td>{{ form.phone }}</td></tr>
+                <tr><th>Geburtstag:</th><td>{{ form.birthday }}</td></tr>
+                <tr><th>Mitgliedsnummer:</th><td>{{ form.membership_id }}</td></tr>
+                <tr><th>Adresse 1:</th><td>{{ form.address_1 }}</td></tr>
+                <tr><th>Adresse 2:</th><td>{{ form.address_2 }}</td></tr>
+                <tr><th>PLZ:</th><td>{{ form.postcode }}</td></tr>
+                <tr><th>Ort:</th><td>{{ form.city }}</td></tr>
+                <tr><th>Medikamente:</th><td>{{ form.medications }}</td></tr>
+                <tr><th>Allergien:</th><td>{{ form.allergies }}</td></tr>
+                <tr><th>Unverträglichkeiten:</th><td>{{ form.intolerances }}</td></tr>
+                <tr><th>Kontoinhaber:</th><td>{{ form.bank_account_owner }}</td></tr>
+                <tr><th>IBAN:</th><td>{{ form.bank_account_iban }}</td></tr>
+                <tr><th>Stamm:</th><td>{{ getGroupName(form.local_group) }}</td></tr>
+                <tr><th>Rolle (Stamm):</th><td>{{ getRoleName(form.user_role_local_group) }}</td></tr>
+                <tr><th>Rolle (LV):</th><td>{{ getRoleName(form.user_role_main) }}</td></tr>
+                <tr><th>Status:</th><td>
+                    <span :class="user.active ? 'badge-active' : 'badge-inactive'">
+                        {{ user.active ? 'Aktiv' : 'Inaktiv' }}
+                    </span>
+                </td></tr>
+            </table>
+        </div>
+
+        <div v-else>
+            <table class="data-table">
+                <tr><th>Anmeldename:</th><td>{{ user.username }}</td></tr>
+                <tr><th>Vorname:</th><td><input type="text" v-model="form.firstname" class="form-input" /></td></tr>
+                <tr><th>Nachname:</th><td><input type="text" v-model="form.lastname" class="form-input" /></td></tr>
+                <tr><th>Nickname:</th><td><input type="text" v-model="form.nickname" class="form-input" /></td></tr>
+                <tr><th>E-Mail:</th><td><input type="email" v-model="form.email" class="form-input" /></td></tr>
+                <tr><th>Telefon:</th><td><input type="text" v-model="form.phone" class="form-input" /></td></tr>
+                <tr><th>Geburtstag:</th><td><input type="date" v-model="form.birthday" class="form-input" /></td></tr>
+                <tr><th>Mitgliedsnummer:</th><td><input type="text" v-model="form.membership_id" class="form-input" /></td></tr>
+                <tr><th>Adresse 1:</th><td><input type="text" v-model="form.address_1" class="form-input" /></td></tr>
+                <tr><th>Adresse 2:</th><td><input type="text" v-model="form.address_2" class="form-input" /></td></tr>
+                <tr><th>PLZ:</th><td><input type="text" v-model="form.postcode" class="form-input" /></td></tr>
+                <tr><th>Ort:</th><td><input type="text" v-model="form.city" class="form-input" /></td></tr>
+                <tr><th>Medikamente:</th><td><input type="text" v-model="form.medications" class="form-input" /></td></tr>
+                <tr><th>Allergien:</th><td><input type="text" v-model="form.allergies" class="form-input" /></td></tr>
+                <tr><th>Unverträglichkeiten:</th><td><input type="text" v-model="form.intolerances" class="form-input" /></td></tr>
+                <tr><th>Kontoinhaber:</th><td><input type="text" v-model="form.bank_account_owner" class="form-input" /></td></tr>
+                <tr><th>IBAN:</th><td><input type="text" v-model="form.bank_account_iban" class="form-input" /></td></tr>
+                <tr><th>Stamm:</th><td>
+                    <select v-if="isLvTenant" v-model="form.local_group" class="form-input">
+                        <option v-for="group in localGroups" :key="group.slug" :value="group.slug">{{ group.name }}</option>
+                    </select>
+                    <span v-else>{{ getGroupName(form.local_group) }}</span>
+                </td></tr>
+                <tr><th>Rolle (Stamm):</th><td>
+                    <select v-model="form.user_role_local_group" class="form-input">
+                        <option v-for="role in userRoles" :key="role.slug" :value="role.slug">{{ role.name }}</option>
+                    </select>
+                </td></tr>
+                <tr><th>Rolle (LV):</th><td>
+                    <select v-if="isLvTenant && !isOwnUser" v-model="form.user_role_main" class="form-input">
+                        <option v-for="role in userRoles" :key="role.slug" :value="role.slug">{{ role.name }}</option>
+                    </select>
+                    <span v-else>{{ getRoleName(form.user_role_main) }}</span>
+                </td></tr>
+            </table>
+            <div class="btn-group">
+                <button class="btn-save" @click="save">Speichern</button>
+                <button class="btn-cancel" @click="editing = false">Abbrechen</button>
+            </div>
+        </div>
+    </div>
+</template>
+
+<style scoped>
+.detail-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 15px;
+    flex-wrap: wrap;
+    gap: 10px;
+}
+
+.detail-header h3 {
+    margin: 0;
+    color: #1f2937;
+}
+
+.detail-actions {
+    display: flex;
+    gap: 8px;
+    flex-wrap: wrap;
+}
+
+.data-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.data-table th {
+    text-align: left;
+    padding: 6px 12px;
+    width: 180px;
+    color: #374151;
+    border-bottom: 1px solid #e5e7eb;
+    font-size: 0.9rem;
+}
+
+.data-table td {
+    padding: 6px 12px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.form-input {
+    width: 100%;
+    padding: 5px 8px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.9rem;
+    box-sizing: border-box;
+}
+
+.badge-active {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #166534;
+    background-color: #dcfce7;
+    border: 1px solid #22c55e;
+}
+
+.badge-inactive {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #991b1b;
+    background-color: #fee2e2;
+    border: 1px solid #ef4444;
+}
+
+.btn-edit, .btn-save, .btn-cancel, .btn-reset, .btn-deactivate, .btn-activate, .btn-close {
+    padding: 6px 16px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.85rem;
+}
+
+.btn-edit {
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-edit:hover {
+    background-color: #163a7a;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+
+.btn-reset {
+    background-color: #f59e0b;
+    color: #ffffff;
+}
+
+.btn-reset:hover {
+    background-color: #d97706;
+}
+
+.btn-deactivate {
+    background-color: #ef4444;
+    color: #ffffff;
+}
+
+.btn-deactivate:hover {
+    background-color: #dc2626;
+}
+
+.btn-activate {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-activate:hover {
+    background-color: #15803d;
+}
+
+.btn-close {
+    background-color: #6b7280;
+    color: #ffffff;
+}
+
+.btn-close:hover {
+    background-color: #4b5563;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+    margin-top: 15px;
+}
+</style>

app/Domains/Admin/Views/TenantData.vue

@@ -0,0 +1,121 @@
+<script setup>
+import AdminAppLayout from "../../../../resources/js/layouts/AdminAppLayout.vue";
+import ShadowedBox from "../../../Views/Components/ShadowedBox.vue";
+import TabbedPage from "../../../Views/Components/TabbedPage.vue";
+import TenantContact from "./Partials/TenantContact.vue";
+import TenantPayment from "./Partials/TenantPayment.vue";
+import TenantImpress from "./Partials/TenantImpress.vue";
+import TenantGdpr from "./Partials/TenantGdpr.vue";
+import TenantPaymentMethods from "./Partials/TenantPaymentMethods.vue";
+import TenantTaxInfo from "./Partials/TenantTaxInfo.vue";
+
+const props = defineProps({
+    tenant: Object,
+})
+
+const tabs = [
+    {
+        title: 'Kontaktdaten',
+        component: TenantContact,
+        endpoint: '/api/v1/admin/tenant/contact',
+    },
+    {
+        title: 'IBAN-Informationen',
+        component: TenantPayment,
+        endpoint: '/api/v1/admin/tenant/payment',
+    },
+    {
+        title: 'Zahlungsmodule',
+        component: TenantPaymentMethods,
+        endpoint: '/api/v1/admin/tenant/payment-methods',
+    },
+    {
+        title: 'Steuerinformationen',
+        component: TenantTaxInfo,
+        endpoint: '/api/v1/admin/tenant/tax',
+    },
+    {
+        title: 'Impressum',
+        component: TenantImpress,
+        endpoint: '/api/v1/admin/tenant/impress',
+    },
+    {
+        title: 'Datenschutzerklärung',
+        component: TenantGdpr,
+        endpoint: '/api/v1/admin/tenant/gdpr',
+    },
+]
+</script>
+
+<template>
+    <AdminAppLayout :title="props.tenant.slug === 'lv' ? 'LV-Daten' : 'Stammesdaten'">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px; overflow-x: hidden;">
+            <table class="tenant-header">
+                <tr><th>Name</th><td>{{ props.tenant.name }}</td></tr>
+                <tr><th>Slug</th><td>{{ props.tenant.slug }}</td></tr>
+                <tr><th>mareike-URL:</th><td>{{ props.tenant.url }}</td></tr>
+                <tr><th>Status</th><td>
+                    <span :class="props.tenant.is_active_local_group ? 'badge-active' : 'badge-inactive'">
+                        {{ props.tenant.is_active_local_group ? 'Aktiv' : 'Inaktiv' }}
+                    </span>
+                </td></tr>
+            </table>
+
+            <div style="margin-top: 30px;">
+                <tabbed-page :tabs="tabs" />
+            </div>
+        </shadowed-box>
+    </AdminAppLayout>
+</template>
+
+<style scoped>
+.tenant-header {
+    width: 100%;
+    border-collapse: collapse;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    overflow: hidden;
+}
+
+.tenant-header th {
+    text-align: left;
+    padding: 10px 16px;
+    width: 200px;
+    color: #374151;
+    font-weight: bold;
+    background-color: #f9fafb;
+    border-bottom: 1px solid #d1d5db;
+}
+
+.tenant-header td {
+    padding: 10px 16px;
+    border-bottom: 1px solid #d1d5db;
+}
+
+.tenant-header tr:last-child th,
+.tenant-header tr:last-child td {
+    border-bottom: none;
+}
+
+.badge-active {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #166534;
+    background-color: #dcfce7;
+    border: 1px solid #22c55e;
+}
+
+.badge-inactive {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #991b1b;
+    background-color: #fee2e2;
+    border: 1px solid #ef4444;
+}
+</style>

app/Domains/Admin/Views/TenantEdit.vue

@@ -0,0 +1,58 @@
+<script setup>
+import AdminAppLayout from "../../../../resources/js/layouts/AdminAppLayout.vue";
+import ShadowedBox from "../../../Views/Components/ShadowedBox.vue";
+import TabbedPage from "../../../Views/Components/TabbedPage.vue";
+import TenantGeneral from "./Partials/TenantGeneral.vue";
+import TenantContact from "./Partials/TenantContact.vue";
+import TenantPayment from "./Partials/TenantPayment.vue";
+import TenantImpress from "./Partials/TenantImpress.vue";
+import TenantGdpr from "./Partials/TenantGdpr.vue";
+import TenantTaxInfo from "./Partials/TenantTaxInfo.vue";
+
+const props = defineProps({
+    tenant: Object,
+})
+
+const slug = props.tenant.slug
+
+const tabs = [
+    {
+        title: 'Allgemeines',
+        component: TenantGeneral,
+        endpoint: '/api/v1/admin/tenants/' + slug + '/general',
+    },
+    {
+        title: 'Kontaktdaten',
+        component: TenantContact,
+        endpoint: '/api/v1/admin/tenants/' + slug + '/contact',
+    },
+    {
+        title: 'IBAN-Informationen',
+        component: TenantPayment,
+        endpoint: '/api/v1/admin/tenants/' + slug + '/payment',
+    },
+    {
+        title: 'Steuerinformationen',
+        component: TenantTaxInfo,
+        endpoint: '/api/v1/admin/tenants/' + slug + '/tax',
+    },
+    {
+        title: 'Impressum',
+        component: TenantImpress,
+        endpoint: '/api/v1/admin/tenants/' + slug + '/impress',
+    },
+    {
+        title: 'Datenschutzerklärung',
+        component: TenantGdpr,
+        endpoint: '/api/v1/admin/tenants/' + slug + '/gdpr',
+    },
+]
+</script>
+
+<template>
+    <AdminAppLayout :title="props.tenant.name">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px; overflow-x: hidden;">
+            <tabbed-page :tabs="tabs" />
+        </shadowed-box>
+    </AdminAppLayout>
+</template>

app/Domains/Admin/Views/TenantList.vue

@@ -0,0 +1,248 @@
+<script setup>
+import { ref, onMounted } from 'vue';
+import AdminAppLayout from "../../../../resources/js/layouts/AdminAppLayout.vue";
+import ShadowedBox from "../../../Views/Components/ShadowedBox.vue";
+import { useAjax } from "../../../../resources/js/components/ajaxHandler.js";
+import { toast } from "vue3-toastify";
+
+const { request } = useAjax()
+
+function openTenant(slug) {
+    window.location.href = '/admin/tenants/' + slug
+}
+
+const tenants = ref([])
+const showCreate = ref(false)
+const createForm = ref({
+    name: '',
+    slug: '',
+    url: '',
+})
+
+onMounted(async () => {
+    await loadTenants()
+})
+
+async function loadTenants() {
+    const response = await fetch('/api/v1/admin/tenants/list', {
+        headers: {
+            'Accept': 'application/json',
+            'X-Requested-With': 'XMLHttpRequest',
+        },
+        credentials: 'same-origin',
+    })
+    const data = await response.json()
+    tenants.value = data.tenants
+}
+
+async function createTenant() {
+    const response = await request('/api/v1/admin/tenants/create', {
+        method: 'POST',
+        body: createForm.value,
+    })
+
+    if (response && response.status === 'success') {
+        toast.success(response.message)
+        showCreate.value = false
+        createForm.value = { name: '', slug: '', url: '' }
+        await loadTenants()
+    } else {
+        toast.error(response?.message ?? 'Fehler beim Anlegen')
+    }
+}
+</script>
+
+<template>
+    <AdminAppLayout title="Stämme">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px; overflow-x: hidden;">
+            <table class="tenant-table">
+                <thead>
+                    <tr>
+                        <th>Name</th>
+                        <th>Slug</th>
+                        <th>URL</th>
+                        <th>Status</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <tr v-for="tenant in tenants" :key="tenant.slug" class="tenant-row" @click="openTenant(tenant.slug)">
+                        <td>{{ tenant.name }}</td>
+                        <td>{{ tenant.slug }}</td>
+                        <td>{{ tenant.url }}</td>
+                        <td>
+                            <span :class="tenant.is_active_local_group ? 'badge-active' : 'badge-inactive'">
+                                {{ tenant.is_active_local_group ? 'Aktiv' : 'Inaktiv' }}
+                            </span>
+                        </td>
+                    </tr>
+                </tbody>
+            </table>
+
+            <div style="margin-top: 20px;">
+                <button v-if="!showCreate" class="btn-create" @click="showCreate = true">Neuen Stamm anlegen</button>
+
+                <div v-if="showCreate" class="create-form">
+                    <h3>Neuen Stamm anlegen</h3>
+                    <table class="form-table">
+                        <tr>
+                            <th>Name</th>
+                            <td><input type="text" v-model="createForm.name" class="form-input" /></td>
+                        </tr>
+                        <tr>
+                            <th>Slug</th>
+                            <td><input type="text" v-model="createForm.slug" class="form-input" /></td>
+                        </tr>
+                        <tr>
+                            <th>URL</th>
+                            <td><input type="text" v-model="createForm.url" class="form-input" /></td>
+                        </tr>
+                    </table>
+                    <div class="btn-group">
+                        <button class="btn-save" @click="createTenant">Anlegen</button>
+                        <button class="btn-cancel" @click="showCreate = false">Abbrechen</button>
+                    </div>
+                </div>
+            </div>
+        </shadowed-box>
+    </AdminAppLayout>
+</template>
+
+<style scoped>
+.tenant-table {
+    width: 100%;
+    border-collapse: collapse;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    overflow: hidden;
+}
+
+.tenant-table thead th {
+    text-align: left;
+    padding: 10px 16px;
+    background-color: #f9fafb;
+    color: #374151;
+    font-weight: bold;
+    border-bottom: 2px solid #d1d5db;
+}
+
+.tenant-table tbody td {
+    padding: 10px 16px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.tenant-row {
+    cursor: pointer;
+}
+
+.tenant-row:hover {
+    background-color: #f3f4f6;
+}
+
+.badge-active {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #166534;
+    background-color: #dcfce7;
+    border: 1px solid #22c55e;
+}
+
+.badge-inactive {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #991b1b;
+    background-color: #fee2e2;
+    border: 1px solid #ef4444;
+}
+
+.create-form {
+    margin-top: 15px;
+    padding: 20px;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    background-color: #f9fafb;
+}
+
+.create-form h3 {
+    margin: 0 0 15px 0;
+    color: #374151;
+}
+
+.form-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.form-table th {
+    text-align: left;
+    padding: 8px 12px;
+    width: 100px;
+    color: #374151;
+}
+
+.form-table td {
+    padding: 8px 12px;
+}
+
+.form-input {
+    width: 100%;
+    padding: 6px 10px;
+    border: 1px solid #d1d5db;
+    border-radius: 6px;
+    font-size: 0.95rem;
+    box-sizing: border-box;
+}
+
+.btn-create {
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+    background-color: #1d4899;
+    color: #ffffff;
+}
+
+.btn-create:hover {
+    background-color: #163a7a;
+}
+
+.btn-group {
+    display: flex;
+    gap: 10px;
+    margin-top: 15px;
+}
+
+.btn-save, .btn-cancel {
+    padding: 8px 20px;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    font-weight: bold;
+    font-size: 0.9rem;
+}
+
+.btn-save {
+    background-color: #16a34a;
+    color: #ffffff;
+}
+
+.btn-save:hover {
+    background-color: #15803d;
+}
+
+.btn-cancel {
+    background-color: #e5e7eb;
+    color: #374151;
+}
+
+.btn-cancel:hover {
+    background-color: #d1d5db;
+}
+</style>

app/Domains/Admin/Views/UserList.vue

@@ -0,0 +1,167 @@
+<script setup>
+import { ref, onMounted } from 'vue';
+import AdminAppLayout from "../../../../resources/js/layouts/AdminAppLayout.vue";
+import ShadowedBox from "../../../Views/Components/ShadowedBox.vue";
+import FullScreenModal from "../../../Views/Components/FullScreenModal.vue";
+import UserDetail from "./Partials/UserDetail.vue";
+import { useAjax } from "../../../../resources/js/components/ajaxHandler.js";
+
+const { request } = useAjax()
+
+const props = defineProps({
+    isLvTenant: Boolean,
+})
+
+const users = ref([])
+const selectedUserId = ref(null)
+const userDetail = ref(null)
+
+onMounted(async () => {
+    await loadUsers()
+})
+
+async function loadUsers() {
+    const response = await fetch('/api/v1/admin/users/list', {
+        headers: {
+            'Accept': 'application/json',
+            'X-Requested-With': 'XMLHttpRequest',
+        },
+        credentials: 'same-origin',
+    })
+    const data = await response.json()
+    users.value = data.users
+}
+
+async function selectUser(userId) {
+    if (selectedUserId.value === userId) {
+        selectedUserId.value = null
+        userDetail.value = null
+        return
+    }
+
+    selectedUserId.value = userId
+    const response = await fetch('/api/v1/admin/users/' + userId, {
+        headers: {
+            'Accept': 'application/json',
+            'X-Requested-With': 'XMLHttpRequest',
+        },
+        credentials: 'same-origin',
+    })
+    userDetail.value = await response.json()
+}
+
+function onUserUpdated() {
+    loadUsers()
+    if (selectedUserId.value) {
+        selectUser(selectedUserId.value)
+    }
+}
+
+function onDetailClosed() {
+    selectedUserId.value = null
+    userDetail.value = null
+    loadUsers()
+}
+</script>
+
+<template>
+    <AdminAppLayout title="Benutzer*innen">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px; overflow-x: hidden;">
+            <table class="user-table">
+                <thead>
+                    <tr>
+                        <th>Nachname</th>
+                        <th>Vorname</th>
+                        <th>Pfadiname</th>
+                        <th v-if="props.isLvTenant">Stamm</th>
+                        <th>Status</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    <tr v-for="user in users"
+                        :key="user.id"
+                        :class="['user-row', { 'user-row-selected': selectedUserId === user.id }]"
+                        @click="selectUser(user.id)">
+                        <td>{{ user.lastname }}</td>
+                        <td>{{ user.firstname }}</td>
+                        <td>{{ user.nickname }}</td>
+                        <td v-if="props.isLvTenant">{{ user.local_group_name }}</td>
+                        <td>
+                            <span :class="user.active ? 'badge-active' : 'badge-inactive'">
+                                {{ user.active ? 'Aktiv' : 'Inaktiv' }}
+                            </span>
+                        </td>
+                    </tr>
+                </tbody>
+            </table>
+
+        </shadowed-box>
+
+        <FullScreenModal :show="userDetail !== null" @close="onDetailClosed">
+            <UserDetail
+                v-if="userDetail"
+                :data="userDetail"
+                @updated="onUserUpdated"
+                @closed="onDetailClosed"
+            />
+        </FullScreenModal>
+    </AdminAppLayout>
+</template>
+
+<style scoped>
+.user-table {
+    width: 100%;
+    border-collapse: collapse;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    overflow: hidden;
+}
+
+.user-table thead th {
+    text-align: left;
+    padding: 10px 16px;
+    background-color: #f9fafb;
+    color: #374151;
+    font-weight: bold;
+    border-bottom: 2px solid #d1d5db;
+}
+
+.user-table tbody td {
+    padding: 10px 16px;
+    border-bottom: 1px solid #e5e7eb;
+}
+
+.user-row {
+    cursor: pointer;
+}
+
+.user-row:hover {
+    background-color: #f3f4f6;
+}
+
+.user-row-selected {
+    background-color: #eff6ff;
+}
+
+.badge-active {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #166534;
+    background-color: #dcfce7;
+    border: 1px solid #22c55e;
+}
+
+.badge-inactive {
+    display: inline-block;
+    padding: 3px 12px;
+    border-radius: 12px;
+    font-size: 0.85rem;
+    font-weight: bold;
+    color: #991b1b;
+    background-color: #fee2e2;
+    border: 1px solid #ef4444;
+}
+</style>