refactor: move the bulk export to its own /api/exports resource

/api/travels/{dateCode} accepts an arbitrary string, so /api/travels/export
shared a namespace with every date code and stayed reachable only because
byCode() carried a negative lookahead ruling that one string out. Nothing
in the URL announced the constraint, and getting it wrong mis-routed
silently: the first attempt widened the segment to `.+` and swallowed
/api/travels/{dateId}/{hotelId}/{dateTo}/availability whole.

/api/exports never takes a parameterised segment, the same shape as
/api/contingents, so the collision stops existing instead of being
guarded. TravelController returns byte-for-byte to its state on master,
lookahead included, and the export moves to its own resource controller.

The routing test now also asserts that nothing is reintroduced under the
date code namespace.

Co-Authored-By: Claude Opus 5 <[email protected]>

.ddev/config.yaml

@@ -1,21 +1,24 @@
+name: myep
 type: php
 docroot: public
 php_version: "8.4"
 webserver_type: apache-fpm
 xdebug_enabled: false
 additional_hostnames:
-    - mysnz
+  - mysnz
-    - mysbw
+  - mysbw
-    - myser
+  - myser
-additional_fqdns: []
+additional_fqdns: [ ]
 database:
-    type: mysql
+  type: mariadb
-    version: "8.4"
+  version: "11.8"
+webimage_extra_packages: [ ripgrep, bubblewrap, socat ]
 use_dns_when_possible: true
+timezone: Europe/Berlin
 composer_version: "2"
-web_environment: []
+web_environment: [ ]
-corepack_enable: false
 nodejs_version: "22"
+corepack_enable: false
 
 # Key features of DDEV's config.yaml:
 
@@ -24,16 +27,16 @@ nodejs_version: "22"
 # If the name is omitted, the project will take the name of the enclosing directory,
 # which is useful if you want to have a copy of the project side by side with this one.
 
-# type: <projecttype>  # backdrop, cakephp, craftcms, drupal, drupal6, drupal7, drupal8, drupal9, drupal10, drupal11, generic, laravel, magento, magento2, php, shopware6, silverstripe, symfony, typo3, wordpress
+# type: <projecttype>  # asterios, backdrop, cakephp, codeigniter, craftcms, drupal, drupal6, drupal7, drupal8, drupal9, drupal10, drupal11, drupal12, generic, joomla, laravel, magento, magento2, maho, modx, php, shopware6, silverstripe, symfony, typo3, wordpress, wp-bedrock
 # See https://docs.ddev.com/en/stable/users/quickstart/ for more
 # information on the different project types
 
 # docroot: <relative_path> # Relative path to the directory containing index.php.
 
-# php_version: "8.3"  # PHP version to use, "5.6" through "8.5"
+# php_version: "8.4"  # PHP version to use, "5.6" through "8.5"
 
 # You can explicitly specify the webimage but this
-# is not recommended, as the images are often closely tied to DDEV's' behavior,
+# is not recommended, as the images are often closely tied to DDEV's behavior,
 # so this can break upgrades.
 
 # webimage: <docker_image>
@@ -43,10 +46,18 @@ nodejs_version: "22"
 # database:
 #   type: <dbtype> # mysql, mariadb, postgres
 #   version: <version> # database version, like "10.11" or "8.0"
-#   MariaDB versions can be 5.5-10.8, 10.11, 11.4, 11.8
+#   MariaDB versions can be 5.5-10.8, 10.11, 11.4, 11.8, 12.3
-#   MySQL versions can be 5.5-8.0, 8.4
+#   MySQL versions can be 5.5-8.0, 8.4, 9.7
 #   PostgreSQL versions can be 9-18
 
+# You can explicitly specify the dbimage but this
+# is not recommended, as the images are often closely tied to DDEV's behavior,
+# so this can break upgrades.
+
+# dbimage: <docker_image>
+# It’s unusual to change this option, and we don’t recommend it without Docker experience and a good reason.
+# Typically, this means additions to the existing db image using a .ddev/db-build/Dockerfile.*
+
 # router_http_port: <port>  # Port to be used for http (defaults to global configuration, usually 80)
 # router_https_port: <port> # Port for https (defaults to global configuration, usually 443)
 
@@ -66,8 +77,7 @@ nodejs_version: "22"
 # bind_all_ports is used (normally with router disabled)
 
 # xhprof_mode: [prepend|xhgui|global]
-# Set to "xhgui" to enable XHGui features
+# Default is "xhgui"
-# "xhgui" will become default in a future major release
 
 # webserver_type: nginx-fpm, apache-fpm, generic
 
@@ -85,22 +95,24 @@ nodejs_version: "22"
 # commands are executed.
 
 # composer_version: "2"
-# You can set it to "" or "2" (default) for Composer v2 or "1" for Composer v1
+# You can set it to "" or "2" (default) for Composer v2
 # to use the latest major version available at the time your container is built.
-# It is also possible to use each other Composer version channel. This includes:
+# It is also possible to use any other Composer version channel. This includes:
 #   - 2.2 (latest Composer LTS version)
 #   - stable
 #   - preview
 #   - snapshot
 # Alternatively, an explicit Composer version may be specified, for example "2.2.18".
-# To reinstall Composer after the image was built, run "ddev debug rebuild".
+# To reinstall Composer after the image was built, run "ddev utility rebuild".
 
-# nodejs_version: "22"
+# nodejs_root: <relative_path>
+# Relative path to the directory containing the Node.js version file from the
+# project root. Only used with "nodejs_version: auto" or "nodejs_version: engine".
+
+# nodejs_version: "24"
 # change from the default system Node.js version to any other version.
 # See https://docs.ddev.com/en/stable/users/configuration/config/#nodejs_version for more information
-# and https://www.npmjs.com/package/n#specifying-nodejs-versions for the full documentation,
+# and https://www.npmjs.com/package/n#specifying-nodejs-versions for the full documentation.
-# Note that using of 'ddev nvm' is discouraged because "nodejs_version" is much easier to use,
-# can specify any version, and is more robust than using 'nvm'.
 
 # corepack_enable: false
 # Change to 'true' to 'corepack enable' and gain access to latest versions of yarn/pnpm
@@ -160,9 +172,7 @@ nodejs_version: "22"
 #   - "global":  uses the value from the global config.
 #   - "none":    disables performance optimization for this project.
 #   - "mutagen": enables Mutagen for this project.
-#   - "nfs":     enables NFS for this project.
 #
-# See https://docs.ddev.com/en/stable/users/install/performance/#nfs
 # See https://docs.ddev.com/en/stable/users/install/performance/#mutagen
 
 # fail_on_hook_fail: False
@@ -192,10 +202,10 @@ nodejs_version: "22"
 # The mailpit port is not normally bound on the host at all, instead being routed
 # through ddev-router, but it can be bound directly to localhost if specified here.
 
-# webimage_extra_packages: [php7.4-tidy, php-bcmath]
+# webimage_extra_packages: ['php${DDEV_PHP_VERSION}-tidy', 'php${DDEV_PHP_VERSION}-yac']
 # Extra Debian packages that are needed in the webimage can be added here
 
-# dbimage_extra_packages: [telnet,netcat]
+# dbimage_extra_packages: [netcat, telnet, sudo]
 # Extra Debian packages that are needed in the dbimage can be added here
 
 # use_dns_when_possible: true
@@ -207,12 +217,15 @@ nodejs_version: "22"
 # project_tld: ddev.site
 # The top-level domain used for project URLs
 # The default "ddev.site" allows DNS lookup via a wildcard
-# If you prefer you can change this to "ddev.local" to preserve
-# pre-v1.9 behavior.
 
-# ngrok_args: --basic-auth username:pass1234
+# share_default_provider: ngrok
-# Provide extra flags to the "ngrok http" command, see
+# The default share provider to use for "ddev share"
-# https://ngrok.com/docs/agent/config/v3/#agent-configuration or run "ngrok http -h"
+# Defaults to global configuration, usually "ngrok"
+# Can be "ngrok" or "cloudflared" or the name of a custom provider from .ddev/share-providers/
+
+# share_provider_args: --basic-auth username:pass1234
+# Provide extra flags to the share provider script
+# See https://docs.ddev.com/en/stable/users/configuration/config/#share_provider_args
 
 # disable_settings_management: false
 # If true, DDEV will not create CMS-specific settings files like
@@ -274,7 +287,7 @@ nodejs_version: "22"
 # override_config: false
 # By default, config.*.yaml files are *merged* into the configuration
 # But this means that some things can't be overridden
-# For example, if you have 'use_dns_when_possible: true'' you can't override it with a merge
+# For example, if you have 'use_dns_when_possible: true' you can't override it with a merge
 # and you can't erase existing hooks or all environment variables.
 # However, with "override_config: true" in a particular config.*.yaml file,
 # 'use_dns_when_possible: false' can override the existing values, and
@@ -284,7 +297,7 @@ nodejs_version: "22"
 # web_environment: []
 # or
 # additional_hostnames: []
-# can have their intended affect. 'override_config' affects only behavior of the
+# can have their intended effect. 'override_config' affects only behavior of the
 # config.*.yaml file it exists in.
 
 # Many DDEV commands can be extended to run tasks before or after the

.env

@@ -25,7 +25,7 @@ APP_SECRET=642ead390b8a38f0a017ec84d5362129
 #
 # DATABASE_URL="sqlite:///%kernel.project_dir%/var/data.db"
 # DATABASE_URL="mysql://app:[email protected]:3306/app?serverVersion=8.0.32&charset=utf8mb4"
-DATABASE_URL="mysql://db:db@db:3306/db?serverVersion=8.4.0&charset=utf8mb4"
+DATABASE_URL="mysql://db:db@db:3306/db?serverVersion=mariadb-11.8.9&charset=utf8mb4"
 # DATABASE_URL="postgresql://app:[email protected]:5432/app?serverVersion=16&charset=utf8"
 ###< doctrine/doctrine-bundle ###
 
@@ -92,10 +92,21 @@ APP_TRAVEL_PREFER_REMOTE=false
 APP_TRAVEL_ENABLE_FALLBACK=true
 APP_TRAVEL_SNAPSHOT_RETENTION_BUFFER_DAYS=14
 
+# Compensates a BusPro export defect: a <zustieg_rueck> can omit its preis although the booking
+# engine still bills the return-leg Abfahrtsortzuschlag, so we undercharge by exactly one leg.
+# A boarding point costs the same in both directions, so the stated price is applied to both.
+# Off = report the export verbatim. Provisional until the vendor fixes the export; see
+# docs/buspro-database-reference.md section A7.
+# Flipping this needs `app:bpn:xml-cache-invalidate` and `app:bpn:refresh-travel-snapshot`,
+# because the cached travels and TravelSnapshot rows carry the parsed price.
+APP_BPN_LEVEL_BOARDING_POINT_PRICES=true
+
 # Emails
 APP_DEFAULT_EMAIL_FROM=[email protected]
 APP_DEFAULT_EMAIL_TO=[email protected]
 ACCOMMODATION_INQUIRY_EMAIL=[email protected]
+# Comma-separated; recipients of the role nomination notification. Empty means disable notification.
+APP_ROLE_NOMINATION_EMAILS=
 
 # Global common defaults
 APP_SEASON_WINTER_FROM=2026-10-01

config/packages/league_oauth2_server.yaml

@@ -19,6 +19,9 @@ league_oauth2_server:
         doctrine: null
     client:
         allow_plaintext_secrets: false
+        # App\Entity\OAuth2Client adds the required_roles column that
+        # App\EventListener\AuthorizationCodeListener gates authorization on.
+        classname: App\Entity\OAuth2Client
 
 when@test:
     league_oauth2_server:

config/packages/messenger.yaml

@@ -26,6 +26,7 @@ framework:
             Symfony\Component\Notifier\Message\SmsMessage: async
             App\Message\MailjetNewsletterEventMessage: async
             App\Message\CreateClickUpBookingTaskMessage: async
+            App\Message\RoleNominationMessage: async
 
             # Route your messages to the transports
             # 'App\Message\YourMessage': async

config/packages/routing.yaml

@@ -2,9 +2,12 @@ framework:
     router:
         utf8: true
 
-        # Configure how to generate URLs in non-HTTP contexts, such as CLI commands.
+        # How URLs are generated where there is no request to take the host from: scheduled
-        # See https://symfony.com/doc/current/routing.html#generating-urls-in-commands
+        # commands and, notably, the Messenger workers that send mail off the request path.
-        #default_uri: http://localhost
+        # Without it those links would point at http://localhost. Only ever consulted in a
+        # non-HTTP context, so web requests keep using their own host — which matters here,
+        # since one codebase serves four brands.
+        default_uri: '%env(APP_BASE_URL)%'
 
 when@prod:
     framework:

config/packages/security.yaml

@@ -17,8 +17,12 @@ security:
                         roles: [ ROLE_MAILJET_WEBHOOK ]
 
     role_hierarchy:
+        # ROLE_CUSTOMER_EXPERT gates the booking-draft and log surfaces, which used to be
+        # ROLE_ADMIN only. Inheriting it here is what keeps those surfaces open to administrators
+        # after the #[IsGranted] attributes moved to the narrower role.
         ROLE_ADMIN:
             - ROLE_GROUPS_ADMIN
+            - ROLE_CUSTOMER_EXPERT
         ROLE_GROUPS_ADMIN:
             - ROLE_GROUPS_MANAGER
     firewalls:

config/packages/zenstruck_schedule.yaml

@@ -3,13 +3,14 @@ zenstruck_schedule:
 
   mailer:
     service: mailer
-    default_to: [email protected]
+    default_to: [email protected]
-    default_from: info@ep-reisen.de
+    default_from: noreply@ep-reisen.de
     subject_prefix: "[MyE&P]"
 
   schedule_extensions:
     email_on_failure:
       enabled: true
+      to: [email protected]
 
   tasks:
     - task: app:cleanup:xml-dumps

config/services.yaml

@@ -15,6 +15,7 @@ parameters:
     default_email_from: '%env(APP_DEFAULT_EMAIL_FROM)%'
     default_email_to: '%env(APP_DEFAULT_EMAIL_TO)%'
     accommodation_inquiry_email: '%env(ACCOMMODATION_INQUIRY_EMAIL)%'
+    role_nomination_notification_emails: '%env(csv:APP_ROLE_NOMINATION_EMAILS)%'
 
     # MailJet list ids and their labels
     mailjet_lists:
@@ -31,6 +32,12 @@ parameters:
         10321389: 'Reisen-Alert Stubaital'
         10554990: 'Reisen-Alert Ski & Boarderweek'
 
+    # Email domains whose accounts are members of staff. BusPro has no CRM selection expressing
+    # "works here", so ROLE_EMPLOYEE is derived from the address instead. Matched exactly on the
+    # domain part, never as a suffix.
+    employee_email_domains:
+        - 'ep-reisen.de'
+
     # BusProNet "Hausleitung {CODE}" CRM selections, by selection id.
     # DEPLOYMENT-CRITICAL: roles and hotel codes are synced on every login, so an id missing
     # here does not merely fail to nominate a Hausleitung — it revokes the role and the hotel
@@ -178,6 +185,10 @@ services:
         arguments:
             $retentionBufferDays: '%travel_snapshot_retention_buffer_days%'
 
+    App\BusProNet\XmlParser\TravelParser:
+        arguments:
+            $levelBoardingPointPrices: '%env(bool:APP_BPN_LEVEL_BOARDING_POINT_PRICES)%'
+
     App\Service\TravelDataProvider:
         arguments:
             $logger: '@monolog.logger.core'
@@ -196,6 +207,10 @@ services:
         arguments:
             $cache: '@bpn.cache'
 
+    App\BusProNet\Utility\CountryCodeMapper:
+        arguments:
+            $logger: '@monolog.logger.bpn'
+
     App\BusProNet\XmlLoader\HotelLoader:
         arguments:
             $cache: '@bpn.cache'
@@ -208,6 +223,11 @@ services:
         arguments:
             $cache: '@bpn.cache'
 
+    App\Service\TravelExportBuilder:
+        arguments:
+            $cache: '@bpn.cache'
+            $logger: '@monolog.logger.bpn'
+
     App\Service\VoucherValidator:
         arguments:
             $cache: '@cache.app'
@@ -260,6 +280,7 @@ services:
                 - '@App\BusProNet\Service\StatusRule\ChaperonServiceStatusRule'
 
     # Dashboard Widgets
+    App\Dashboard\Widget\StuckBookingDraftsWidgetProvider: ~
     App\Dashboard\Widget\OpenGroupBookingsWidgetProvider: ~
     App\Dashboard\Widget\PendingRoleApprovalsWidgetProvider: ~
     App\Dashboard\Widget\RecentLogEntriesWidgetProvider: ~
@@ -268,6 +289,7 @@ services:
     App\Dashboard\DashboardWidgetRegistry:
         arguments:
             $providers:
+                - '@App\Dashboard\Widget\StuckBookingDraftsWidgetProvider'
                 - '@App\Dashboard\Widget\OpenGroupBookingsWidgetProvider'
                 - '@App\Dashboard\Widget\PendingRoleApprovalsWidgetProvider'
                 - '@App\Dashboard\Widget\RecentLogEntriesWidgetProvider'
@@ -299,6 +321,14 @@ services:
         arguments:
             $houseManagerIds: '%bpn_crm_house_manager_ids%'
 
+    App\Security\EmployeeDomainMatcher:
+        arguments:
+            $domains: '%employee_email_domains%'
+
+    App\MessageHandler\RoleNominationHandler:
+        arguments:
+            $notificationRecipients: '%role_nomination_notification_emails%'
+
     App\Service\DomainConfigProvider:
         arguments:
             $domainConfig: '%domain_config%'

deploy.php

@@ -9,7 +9,6 @@ require 'recipe/symfony.php';
 add('shared_dirs', [
     'config/secret',
     'var/bpn',
-    'var/log',
     'var/sessions',
     'var/jsonexport',
     'var/xmlexport',
@@ -35,6 +34,8 @@ $rsyncOptions = [
         '.jj',
         'node_modules',
         '.editorconfig',
+        '.env.local',
+        '.env.local.php',
         '.env.dev.local',
         '.env.dev.local.php',
         '.env.test',
@@ -76,74 +77,70 @@ $rsyncOptions = [
     'timeout' => 300,
 ];
 
+// Shared by all hosts.
+set('bin/php', '/usr/bin/php');
+set('http_user', 'myepsf');
+// Must stay here: contrib/rsync.php sets the same key, but its __DIR__ is the vendor dir.
+set('rsync_src', __DIR__);
+set('rsync', $rsyncOptions);
+
 host('prod')
-    ->setHostname('185.243.135.29')
+    ->setHostname('dedi10193.your-server.de')
-    ->setRemoteUser('p704161')
+    ->setDeployPath('/usr/www/users/myepsf/prod')
+    ->setRemoteUser('myepsf')
     ->setForwardAgent(true)
     ->setSshMultiplexing(true)
-    ->setDeployPath('/home/www/p704161/html/myep')
-    ->set('writable_mode', 'chmod')
-    ->set('http_user', 'p704161')
-    ->set('bin/php', '/usr/local/bin/php')
-    ->set('rsync_src', __DIR__)
-    ->set('rsync', $rsyncOptions)
     ->set('cachetool_args', '--web=SymfonyHttpClient --web-path={{current_path}}/public/ --web-url=https://my.ep-reisen.de')
 ;
 
 host('staging')
-    ->setHostname('185.243.135.29')
-    ->setRemoteUser('p704161')
-    ->setForwardAgent(true)
-    ->setSshMultiplexing(true)
-    ->setDeployPath('/home/www/p704161/html/myep-staging')
-    ->set('writable_mode', 'chmod')
-    ->set('http_user', 'p704161')
-    ->set('bin/php', '/usr/local/bin/php')
-    ->set('rsync_src', __DIR__)
-    ->set('rsync', $rsyncOptions)
-    ->set('cachetool_args', '--web=SymfonyHttpClient --web-path={{current_path}}/public/ --web-url=https://my.ep-reisen.net --web-basic-auth=myep:staging')
-    ->add('shared_files', [
-        'public/.htpasswd',
-    ])
-;
-
-host('hetzner')
     ->setHostname('dedi10193.your-server.de')
+    ->setDeployPath('/usr/www/users/myepsf/staging')
     ->setRemoteUser('myepsf')
     ->setForwardAgent(true)
     ->setSshMultiplexing(true)
-    ->setDeployPath('/usr/home/myepsf/public_html/myep')
-    ->set('bin/php', '/usr/bin/php')
-    ->set('http_user', 'myepsf')
-    ->set('rsync_src', __DIR__)
-    ->set('rsync', $rsyncOptions)
     ->set('cachetool_args', '--web=SymfonyHttpClient --web-path={{current_path}}/public/ --web-url=https://my.ep-reisen.net --web-basic-auth=myep:staging')
     ->add('shared_files', [
+        'public/.htaccess',
         'public/.htpasswd',
     ])
 ;
 
 task('deploy', [
     'deploy:info',
+    'deploy:assets',
     'deploy:setup',
     'deploy:lock',
     'deploy:release',
-    'deploy:assets',
     'rsync',
     'deploy:shared',
     'deploy:writable',
-    'deploy:cache:clear',
+    'deploy:cache:warmup',
     'database:migrate',
+    // Must run before the symlink flip: the cachetool probe file is only reachable through
+    // the release the docroot currently resolves to. It still pays off, because it drops the
+    // opcache entries keyed under current/public/*.
     'cachetool:clear:opcache',
     'deploy:publish',
     'deploy:stop-workers',
 ]);
 
+// Purely local, so it runs before anything is created on the remote. once(), so
+// deploying multiple hosts at the same time builds the bundle only once.
 task('deploy:assets', function () {
     runLocally('ddev exec npm ci');
     runLocally('ddev exec npm run build');
+})->once();
+
+// The recipe's deploy:cache:clear only does something when composer ran with
+// --no-scripts, which never happens here: vendor/ is rsynced, composer never runs
+// remotely. A fresh release has no var/cache to clear, so warm it up directly.
+// Runs after deploy:writable so the default ACLs are already in place.
+task('deploy:cache:warmup', function () {
+    run('{{bin/console}} cache:warmup {{console_options}}');
 });
 
+// Workers keep running the previous release's code until they are told to stop.
 task('deploy:stop-workers', function () {
     run('{{bin/console}} messenger:stop-workers');
 });

docs/api-consumer-guide.md

@@ -10,7 +10,10 @@ A Symfony application exposing a read-mostly JSON API under the `/api` prefix. A
 
 - Token endpoint: `POST /token` (unauthenticated).
 - Enabled grants: **client_credentials**, **authorization_code** (PKCE required for public clients), **refresh_token**. Password and implicit grants are disabled.
-- Access token TTL: **10 minutes** — clients must refresh/re-request frequently.
+- Access token TTL is **10 minutes** for every grant.
+  Do not hardcode it — read `expires_in` from the token response, it is authoritative and may be tuned.
+  A token can therefore expire part-way through a long page walk of `GET /api/exports/travels`; re-request one on
+  401 and resume at the page you were on. At the default `perPage=500` the whole export is a single page today.
 - Available scopes: `email`, `id`, `profile`, `roles`, `api`. Default scope if none requested: `email`.
 - Each granted scope maps to a role `ROLE_OAUTH2_<SCOPE_UPPERCASE>` (e.g. scope `api` → `ROLE_OAUTH2_API`).
 - Send the token as `Authorization: Bearer <access_token>`.
@@ -47,7 +50,9 @@ There is no single error envelope; three shapes occur:
 - `{"error": "...", "type": "api_error"}` — upstream failures on some endpoints. **Caution:** on `/api/products` and `/api/travels/{dateId}/{hotelId}/{dateTo}/availability` this shape is returned with HTTP **200**, so clients must check for the presence of an `error` key, not only the status code.
 - `{"success": false, "message": "..."}` — the write endpoints (contact form, newsletter).
 
-Validation failures on endpoints using mapped query strings / payloads (`/api/contingents/*`, `/api/newsletter-subscriptions`) return **400** with Symfony's constraint-violation body. Missing/invalid token yields **401**; insufficient scope yields **403**.
+Validation failures on endpoints using mapped query strings / payloads (`/api/contingents/*`, `/api/exports/*`, `/api/newsletter-subscriptions`) return **400** with Symfony's constraint-violation body. Missing/invalid token yields **401**; insufficient scope yields **403**.
+
+`GET /api/exports/travels` deliberately uses real status codes throughout and never the 200-with-an-`error`-key shape: a failure there is a 5xx, so retry logic can key on the status code alone.
 
 The HTTP methods listed below are the intended ones. Several read routes do not restrict methods server-side; clients should still use `GET` for them.
 
@@ -59,11 +64,23 @@ The HTTP methods listed below are the intended ones. Several read routes do not
 
 #### `GET /api/hotels` — scope `api`
 
-List of hotels. Array of objects: `id` (int), `code` (string), `name`, `city`, `street`, `phone`, `country`.
+List of hotels. Array of objects: `id` (int), `code` (string), `name`, `city`, `street`, `phone`, `country`,
+`costUnit`, `countryCode`.
+
+- `country` is the **raw** upstream token, unnormalised, and is the join key into `GET /api/countries[].token`.
+  It mixes conventions: ISO-2 (`CH`, `NL`), European vehicle registration codes (`D`, `A`, `F`, `S`, `FL`) and
+  ISO-3 (`AUT`, `PRT`, `HRV`), sometimes several for the same country.
+- `countryCode` (`string|null`) is that token mapped to a lowercase ISO 3166-1 alpha-2 code — use this one to pick
+  a flag. A token with no confident mapping yields **`null`**, never a guess and never `""`, so treat null as
+  "unknown" rather than as an error. New tokens appear upstream from time to time; they surface as null here until
+  the mapping table is extended.
+- `costUnit` (`string|null`) is the raw upstream cost centre. It is a **string, not a number**: most hotels have
+  none, and some carry a space-separated list such as `"84 85"`. Store it as text and do not parse it.
 
 #### `GET /api/hotels/{id}` — scope `api`
 
-Single hotel by numeric id, same field set as the list. `404 {"message":"Not found"}` if unknown.
+Single hotel by numeric id, same field set as the list, including `costUnit` and `countryCode`.
+`404 {"message":"Not found"}` if unknown.
 
 #### `GET /api/countries` — scope `api`
 
@@ -122,6 +139,107 @@ This is a full overwrite, not a merge.
 
 ---
 
+### Bulk exports
+
+#### `GET /api/exports/travels` — scope `api`
+
+Bulk export of every travel date × hotel pair with its boarding points resolved, for clients that mirror the
+disposition locally. One request replaces a walk over `GET /api/travels` plus a per-pair detail call.
+
+This is the only paginated endpoint and the only one with a `meta` envelope.
+
+It sits under `/api/exports`, not `/api/travels`, on purpose: `/api/travels/{dateCode}` accepts an
+arbitrary string, so an export hung off that collection would share a namespace with every date code.
+`/api/exports` never takes a parameterised segment, so there is nothing for it to collide with.
+
+Query parameters:
+
+| Parameter | Type | Default | Notes |
+|---|---|---|---|
+| `page` | int ≥ 1 | `1` | Out of range is **not** clamped — see below |
+| `perPage` | int 1–1000 | `500` | |
+| `changedSince` | — | — | **Reserved, not implemented.** Sending it today is ignored; it is named here only so it is not claimed for anything else. |
+
+A `page`/`perPage` outside those bounds returns **400** with Symfony's constraint-violation body (send
+`Accept: application/json` to get it as JSON rather than an HTML error page). A `page` past the last one is *not*
+an error: it returns `200` with an empty `data` array and the usual `meta`.
+
+```json
+{
+  "data": [
+    {
+      "busProId": 12794,
+      "code": "PCJSER261226",
+      "product": "Semesterende - Portes du Soleil - Joliment",
+      "dateFrom": "2026-12-26",
+      "dateTo": "2026-12-30",
+      "hotel": {
+        "busProId": 225444,
+        "code": "PCJSER1",
+        "name": "NEU SER Jolimont 1",
+        "costUnit": "863",
+        "country": "CH",
+        "countryCode": "ch"
+      },
+      "pickups": [
+        {
+          "busProId": 18,
+          "code": "ESS-Route",
+          "city": "Essen",
+          "street": "Am Hauptbahnhof (Südausgang Fernbushaltestelle)",
+          "time": "20:15",
+          "datetime": "2026-12-25T20:15:00+01:00"
+        }
+      ]
+    }
+  ],
+  "meta": {
+    "page": 1,
+    "perPage": 500,
+    "total": 415,
+    "totalPages": 1,
+    "skipped": 0,
+    "pickupsWithoutMasterData": 0,
+    "generatedAt": "2026-09-29T12:10:06+02:00"
+  }
+}
+```
+
+**Row identity.** `(busProId, hotel.busProId)` is unique across the whole export — upsert on that pair. `busProId`
+is always an int and never null; `hotel` is always an object and never null; `pickups` is always an array, possibly
+empty, never null.
+
+**`meta` describes the whole export, not the page.** `total`, `totalPages`, `skipped`, `pickupsWithoutMasterData`
+and `generatedAt` are identical on every page, so you can read them once on page 1 and decide whether to walk the
+rest. `total` is the row count **after** skips, and `totalPages` is `ceil(total / perPage)`.
+
+- `skipped` — (travel, hotel) pairs dropped as unusable: a travel date that could not be parsed, or a hotel absent
+  from the hotel master data. Expect `0`. A non-zero value means upstream data is inconsistent, not that you have
+  lost rows you previously had.
+- `pickupsWithoutMasterData` — count of **distinct** pickup ids referenced by a travel but absent from
+  `GET /api/pickups`. Those entries are still emitted, with `code`, `city` and `street` null: a departure point
+  with no name is more useful to a disposition view than one that silently vanished.
+
+**Pickup times.** `pickups` is in **source order** — the order the boarding list is driven in — not sorted by time.
+
+- `time` is `"HH:MM"` for display; `datetime` is the same moment as a full ISO-8601 string with a
+  `Europe/Berlin` offset (`+01:00` / `+02:00` depending on DST). **Prefer `datetime`.**
+- Upstream states a boarding time either as a full date and time or as a bare time. A bare time is resolved
+  against the departure date and, where the sequence demands it, rolled onto the following calendar day — so an
+  `02:15` listed after a `23:59` comes back on the next date, not the same one. `datetime` is emitted for
+  bare-time sources too, and carries that resolution.
+- A boarding point with no time upstream comes back with **both** `time` and `datetime` null. They are always
+  null together.
+- Caveat: where upstream states full datetimes for a whole boarding list, those dates are taken verbatim. Some
+  lists date every stop to the evening before departure, including stops after midnight, so an entry can appear a
+  day earlier than the running order implies. This is upstream data, not a transformation applied here.
+
+**Consistency.** The export is built from the same cached master data as `GET /api/hotels` and `GET /api/pickups`,
+under one cache tag, so all three move together on an upstream sync rather than drifting between your calls.
+It is cached for 3 hours; `generatedAt` is when the cached copy was assembled, not when you requested it.
+
+---
+
 ### Travels
 
 #### `GET /api/travels` — scope `api`
@@ -379,9 +497,9 @@ Responses:
 
 OIDC-style claims for the authenticated user. The response contains only the claims covered by the granted scopes:
 
-- always: `email`
+- always: `sub` (UUID string, see below), `email`
 - scope `id`: `person_id`, `address_id`
-- scope `roles`: `roles` (array; only the roles that actually grant something are exported — the implicit baseline role is stripped, and so are the `*_PENDING` markers of roles the BusPro CRM claims but nobody has approved yet, see `docs/user-roles.md`)
+- scope `roles`: `roles` (array; only the roles that actually grant something are exported — the implicit baseline role is stripped, and so are the `*_PENDING` markers of roles the BusPro CRM claims but nobody has approved yet, see `docs/buspronet-schema/crm-selection-queries.md#from-claim-to-role`)
 - scope `profile`: `profile` object:
 
 ```json
@@ -394,7 +512,30 @@ OIDC-style claims for the authenticated user. The response contains only the cla
 }
 ```
 
-Note: `profile.communication.email` comes from the CRM address record and is **not necessarily** the login email — a single address can hold several contacts. Use the top-level `email` claim for identity.
+##### Identifying the account: match on `sub`
+
+A BusPro address record holds several email addresses (private and business, say), and BusPro
+accepts **any** of them as a login. Each one is a **separate MyE&P account with its own roles** —
+that is intended, not a duplicate: administrative roles are reserved for the company address, so
+the same person signing in privately is a Teamer:in or Kund:in and signing in with their
+`@ep-reisen.de` address is an administrator.
+
+All of those accounts report the **same** `person_id` and `address_id`, and the same
+`profile.communication.email` — that value is the first contact address on the BusPro record and
+is **not necessarily** the one signed in with. So:
+
+- **`sub`** — a **UUID (v4, RFC 4122, 36 characters)**, stable for the life of the account and
+  unique across accounts. The only claim that identifies an account. Match your local user on it
+  and store it. Size the column at 36 characters and treat the value as opaque: it is random, it
+  carries no timestamp and no ordering, and nothing about it should be parsed or derived from.
+- **`email`** — the address this session actually authenticated with. Distinct per account, but
+  treat it as a display and contact value; it is not the account key.
+- **`person_id` / `address_id`** — the BusPro person behind the account. Shared between that
+  person's accounts, so they identify a *human*, never an account. Do not match on them.
+
+Do not derive staff status from an email domain. MyE&P decides who is a member of staff and
+exports the result as `ROLE_EMPLOYEE` in the `roles` claim; re-deriving it from `email` or from
+`profile.communication.email` will disagree with MyE&P in both directions.
 
 `400 {"message": "...", "code": "..."}` when the upstream lookup fails or rejects the credentials.
 
@@ -406,7 +547,7 @@ CRM selection attributes/segments for the authenticated user. `400 {"message": "
 
 ## Client implementation notes
 
-1. **Token lifetime is 10 minutes** — implement refresh/re-fetch with a safety margin and retry once on 401.
+1. **Token lifetime comes from `expires_in`** (currently 1 hour for client_credentials, 10 minutes for authorization_code) — cache the token for that long, refresh with a safety margin, and retry once on 401.
 2. **Check for an `error` key even on 200 responses** for `/api/products` and the travel availability endpoint.
 3. **Money units are inconsistent across endpoints**: contingent endpoints return decimal major units; accommodation-booking fields return integer cents. Normalize at the client boundary.
 4. **Dates**: `Y-m-d` everywhere except `acceptedAt` (ISO-8601 datetime) and pickup planning (`Y-m-d H:i`). Contingent `dateFrom`/`dateTo` are inclusive night boundaries.

docs/bpn-connect-query-reference.md

@@ -577,6 +577,10 @@ Known role mapping from the XML parser:
 - admin users also receive default hotel code `SSL`
 - no matched role means `ROLE_CUSTOMER`
 
+These are the CRM's claims. The portal filters them before storing anything (staff-only
+roles, approval markers), so a proxy must return the claims unfiltered — see
+`docs/buspronet-schema/crm-selection-queries.md#from-claim-to-role`.
+
 Candidate SQL for selected customer selections:
 
 ```sql

docs/bpn-xml-api-reference.md

@@ -166,6 +166,18 @@ genuinely missing, which is a useful way to audit an address: the placeholder ac
 fails on `Telefon-Mobil` and `Nationalität` because its `Vorgang_Details` record has only
 `telefonprivat` and no `nationalitaet`.
 
+**Participants are held to less than the Anmelder** (measured 2026-09-16 on 2036, travel 12500, from a
+real step-3 `Anfrage`). Once a room is present, every `teilnehmer` needs a `Mail-Adresse`, children
+included: without `kommunikation` the answer is `650 … 1.Teilnehmer-Mail-Adresse, 2.Teilnehmer-Mail-Adresse`.
+`telefonmobil` and an empty `anschrift` pass for participants. An email identical to the Anmelder's is
+accepted. The field list above (Strasse, Plz, Ort, Telefon-Mobil for every participant) was measured on
+the placeholder records and is stricter than what BusPro applies to ordinary participants.
+
+**The Anmelder does not have to travel.** An `<anmelder>` that matches no `teilnehmer` (a parent booking
+for their children) returns `möglich` with the same price as the control where the Anmelder is
+`teilnehmer 1`. Whether the committed booking binds to the Anmelder's existing customer record has not
+been measured yet.
+
 Note `650` again: both of those are hard rejections delivered under the code
 `Notification::isError()` treats as success.
 
@@ -196,7 +208,7 @@ the same way. Ask `MOEGLICHEAENDERUNGEN` first (`<idreise>`), which answers:
 | `buchungsart` | yes | yes | Edit **hardcodes `Buchung`** (`ApiClient.php:233`) |
 | `status` | yes | yes | Edit replays the value read back from BusPro — see the caveat below |
 | `idreise`, `idpartner`, `idagentur` | yes | yes | `idpartner` sent unconditionally, even with no room |
-| `anmelder` | yes | yes | Create builds it from participant[0]; edit uses `PersonalData::toPayload()` |
+| `anmelder` | yes | yes | Create builds it from participant[0]; edit uses `PersonalData::toPayload()`. BusPro accepts an Anmelder who is not a participant |
 | `anmelder/bemerkung` | — | yes | Via `PersonalData::toPayload()` |
 | `teilnehmerliste` | yes | yes | |
 | `wünsche` (`unterbringungswunsch`, `beförderungswunsch`) | yes | yes | |

docs/buspro-database-reference.md

@@ -225,6 +225,17 @@ JOIN dbo.ZustiegPreis zp ON zp.IDArtZustiegPreis_FS=lb.IDArtZustiegPreis_FS
 WHERE l.IDLeistung IN (@OutboundServiceId,@ReturnServiceId);
 ```
 
+**V 2026-09-28 — the XML export can omit the return-leg price.** Since one price row is
+surfaced twice, an asymmetric pair is an export defect: on products 701 and 2435 a
+`<zustieg_rueck>` carries no `preis` although the engine still bills the return
+`Abfahrtsortzuschlag`, so reading the export verbatim undercharges by one leg. Measured over
+all exports, a stated return price never differs from its outbound counterpart (510 pairs,
+zero counter-examples). `TravelParser` therefore levels a boarding point's price across both
+directions, switchable through `APP_BPN_LEVEL_BOARDING_POINT_PRICES` while the defect is open
+with the vendor. Flipping the flag needs `app:bpn:xml-cache-invalidate` and
+`app:bpn:refresh-travel-snapshot`. A point appearing **only** in `zustiege_rueck` without a
+price cannot be priced from our side — that is a catalog job.
+
 **N — the departure surcharge is computed.** Booking responses carry a position
 `art="SON" unterart="TRA"` (*Abfahrtsortzuschlag*) with no matching row type: `ArtZuschlag`
 — the lookup behind `BuchungTNZuschlag` — holds only discounts and fees

docs/buspronet-schema/crm-selection-queries.md

@@ -18,16 +18,47 @@ Symfony roles:
 | `IDSelektionsstamm` | Role |
 | --- | --- |
 | `1070` | `ROLE_TEAMER` |
-| `1292` | `ROLE_ADMIN` (+ `ROLE_HOUSE_MANAGER`, + hotel code `SSL`) |
+| `1292` | `ROLE_ADMIN` |
 | `1293` | `ROLE_MANAGER` |
 | `1477` | `ROLE_GROUPS_MANAGER` |
 | `1478` | `ROLE_GROUPS_ADMIN` |
+| `1483` | `ROLE_CUSTOMER_EXPERT` |
+| `1484` | `ROLE_TEAM_ADMIN` (not consumed here — exported through `/api/userinfo` for myep-team) |
 | label `Hausleitung {CODE}` | `ROLE_HOUSE_MANAGER` + hotel code `{CODE}` |
 | nothing matched | `ROLE_CUSTOMER` |
 
 Only selections with `auswahl="True"` count. Every `Admin/*` controller is gated on
 one of these roles.
 
+These are *claims*, not grants. What an account ends up holding is decided by
+`Role::sync()` (`src/Security/Role.php`) on every login — see
+[From claim to role](#from-claim-to-role).
+
+---
+
+## From claim to role
+
+BusPro backend users can edit their own CRM selections, so the claims above are
+filtered before anything is stored:
+
+| Role | Claimed without a staff address | Claimed with a staff address |
+| --- | --- | --- |
+| `ROLE_TEAMER` | granted | granted |
+| `ROLE_HOUSE_MANAGER` | nominated | nominated |
+| `ROLE_ADMIN`, `ROLE_TEAM_ADMIN`, `ROLE_MANAGER`, `ROLE_GROUPS_ADMIN`, `ROLE_GROUPS_MANAGER`, `ROLE_CUSTOMER_EXPERT` (`Role::EMPLOYEE_ONLY`) | **ignored** | nominated |
+
+- **Staff address**: the login email's domain is listed in `employee_email_domains`
+  (`config/services.yaml`, exact match, never a suffix). Such an account also gets
+  `ROLE_EMPLOYEE`, which is derived from the address and not from the CRM.
+- **Nominated**: stored as the marker `ROLE_X_PENDING`, which grants nothing until an
+  administrator approves it in `/admin/user`. Nominations are announced to
+  `role_nomination_notification_emails`.
+- **Ignored**: treated exactly like a selection that is not set. No marker is stored,
+  and a role approved earlier is **revoked** on the next login. A leftover marker from
+  before the rule cannot be approved and disappears on that login too.
+- Anything the CRM stops claiming is revoked, approved or not.
+- An account left without any effective role gets `ROLE_CUSTOMER`.
+
 ---
 
 ## The four tables
@@ -397,11 +428,11 @@ BusProNet host is the fix, and no schema change is needed.
 
 ## Portal side: a correct XML is not enough
 
-`BpnAuthenticator::createOrUpdateLocalUser()` snapshots the roles onto the local `User`
+`BpnAuthenticator::syncFromCrm()` writes the roles onto the local `User` entity at login,
-entity at login (`setRoles($crmAttributes->roles)` /
+through `Role::sync()` (see [From claim to role](#from-claim-to-role)), and the hotel codes
-`setHotelCodes($crmAttributes->hotelCodes)`). Roles are **not** re-read per request. So
+verbatim. Roles are **not** re-read per request. So after fixing BusPro the affected user
-after fixing BusPro the affected user must **log out and log in again** before
+must **log out and log in again**, and even then `ROLE_GROUPS_ADMIN` only takes effect once
-`ROLE_GROUPS_ADMIN` takes effect — an active session keeps the stale role set.
+the account has a staff address and an administrator has approved the nomination.
 
 ---
 

migrations/Version20260911170000.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260911170000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Drops contingent_sync_state.content_hash: the rolling sync window makes a snapshot digest unusable as a change signal.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE contingent_sync_state DROP content_hash');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE contingent_sync_state ADD content_hash VARCHAR(64) NOT NULL');
+    }
+}

migrations/Version20260923120000.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Adds the per-client role requirement that App\EventListener\AuthorizationCodeListener
+ * gates the authorization code grant on.
+ *
+ * The column defaults to an empty list and an empty list denies, so every client is
+ * refused until its roles are set. The two clients in actual use are therefore set here
+ * rather than by hand after the deploy: it closes the window in which both staff tools
+ * would be live but unable to authorize anyone, and it keeps the role strings somewhere
+ * review can see them.
+ *
+ * Matched on name, not identifier: client identifiers are generated per environment and
+ * differ between local, staging and production, while the names do not.
+ *
+ * Deliberately left empty, and so denied: myepapp (the mobile app) and myep (the Keycloak
+ * broker), both R&D only and not in use. The client_credentials clients never reach the
+ * authorization endpoint and are unaffected either way.
+ */
+final class Version20260923120000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Adds oauth2_client.required_roles and sets it for the two staff clients.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // Added nullable and backfilled before being tightened: a NOT NULL column with no
+        // default leaves existing rows holding an empty string, which is not valid JSON and
+        // fails to hydrate -- the row cannot even reach the listener that would deny it.
+        $this->addSql("ALTER TABLE oauth2_client ADD required_roles JSON DEFAULT NULL COMMENT '(DC2Type:json)'");
+        $this->addSql("UPDATE oauth2_client SET required_roles = '[]'");
+        $this->addSql("ALTER TABLE oauth2_client MODIFY required_roles JSON NOT NULL COMMENT '(DC2Type:json)'");
+
+        // mirrors ephub's App\Security\Role::ELIGIBLE
+        $this->addSql('UPDATE oauth2_client SET required_roles = :roles WHERE name = :name', [
+            'roles' => json_encode(['ROLE_EMPLOYEE', 'ROLE_ADMIN'], JSON_THROW_ON_ERROR),
+            'name' => 'EPHub',
+        ]);
+
+        // mirrors myep-team's App\Security\MyEpAuthenticator::ELIGIBLE_ROLES
+        $this->addSql('UPDATE oauth2_client SET required_roles = :roles WHERE name = :name', [
+            'roles' => json_encode(['ROLE_TEAM_ADMIN', 'ROLE_TEAMER', 'ROLE_MANAGER', 'ROLE_HOUSE_MANAGER'], JSON_THROW_ON_ERROR),
+            'name' => 'MyEPTeam',
+        ]);
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE oauth2_client DROP required_roles');
+    }
+}

migrations/Version20260923150000.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+use Symfony\Component\Uid\Uuid;
+
+/**
+ * Gives every account a uuid, which replaces the primary key as the OAuth2 `sub` claim.
+ *
+ * The UUIDs are generated here in PHP rather than with MariaDB's UUID(): that function
+ * returns v1, which encodes a timestamp and the server's node id, so a whole backfill
+ * would come out time-ordered and share a suffix. Guessing one account's identifier from
+ * another's is the property this column exists to remove, so the backfill has to be as
+ * random as the ones App\Entity\User generates from now on.
+ *
+ * One statement per row, which is why it is emitted rather than written out: the values
+ * cannot exist before the migration runs. Added nullable and tightened afterwards, since
+ * there is no single default that could satisfy a unique column.
+ */
+final class Version20260923150000 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Adds user.uuid and backfills it; the OAuth2 sub claim moves off the primary key.';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE user ADD uuid VARCHAR(36) DEFAULT NULL');
+
+        foreach ($this->connection->fetchFirstColumn('SELECT id FROM user') as $id) {
+            $this->addSql('UPDATE user SET uuid = :uuid WHERE id = :id', [
+                'uuid' => Uuid::v4()->toRfc4122(),
+                'id' => $id,
+            ]);
+        }
+
+        $this->addSql('ALTER TABLE user MODIFY uuid VARCHAR(36) NOT NULL');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_8D93D649D17F50A6 ON user (uuid)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP INDEX UNIQ_8D93D649D17F50A6 ON user');
+        $this->addSql('ALTER TABLE user DROP uuid');
+    }
+}

src/BusProNet/ApiClient.php

@@ -602,10 +602,12 @@ class ApiClient
             'port' => $this->selectedPort,
         ]);
         $this->send($socket, $body);
-        $response = $this->receive($socket);
-        $this->disconnect($socket);
 
-        $responseXml = substr($response, 10);
+        try {
+            $responseXml = $this->receive($socket);
+        } finally {
+            $this->disconnect($socket);
+        }
 
         if (true === $debug || true === $this->config['debug']) {
             $this->dumpXmlToFile('response', $requestId, $responseXml);
@@ -714,18 +716,12 @@ class ApiClient
         ]);
 
         $this->send($socket, $body);
-        $response = $this->receive($socket);
-        $this->disconnect($socket);
 
-        // message length (10 bytes) is prepended to actual message
+        try {
-        $xml = substr($response, 10);
+            // the length header is consumed and verified by receive(), this is the payload
-
+            $xml = $this->receive($socket);
-        if ('' === $xml) {
+        } finally {
-            $this->logger->error('Empty response body received from API (header-only response)', [
+            $this->disconnect($socket);
-                'request_id' => $requestId,
-                'raw_length' => strlen($response),
-            ]);
-            throw new ApiClientException('Empty response body received from API');
         }
 
         if (true === $debug || true === $this->config['debug']) {
@@ -735,14 +731,19 @@ class ApiClient
         try {
             return $this->responseParser->parseXmlString($type, $xml, $additionalArgs);
         } catch (ResponseParserException $e) {
+            // Keep the evidence even outside debug mode: without the raw response a parse
+            // failure is not diagnosable after the fact. app:cleanup:xml-dumps prunes it.
             $this->dumpXmlToFile('response', $requestId, $xml);
+
+            $this->logger->error('Unable to parse response received from API', [
+                'request_id' => $requestId,
+                'type' => $type,
+                'response_length' => strlen($xml),
+                'error_message' => $e->getMessage(),
+            ]);
+
+            throw new ApiClientException('Unable to parse response received from API: '.$e->getMessage(), 0, $e);
         }
-
-        $this->logger->error('Unexpected response received from API', [
-            'request_id' => $requestId,
-        ]);
-
-        throw new ApiClientException('Unexpected response received from API');
     }
 
     /**
@@ -773,10 +774,12 @@ class ApiClient
         ]);
 
         $this->send($socket, $body);
-        $response = $this->receive($socket);
-        $this->disconnect($socket);
 
-        $xml = substr($response, 10);
+        try {
+            $xml = $this->receive($socket);
+        } finally {
+            $this->disconnect($socket);
+        }
 
         if (true === $this->config['debug']) {
             $this->dumpXmlToFile('response', $requestId, $xml);
@@ -898,8 +901,14 @@ class ApiClient
     }
 
     /**
+     * Reads a single response message and returns its payload. The protocol prepends the
+     * payload length as a 10 byte header, so the announced length is compared against what
+     * actually arrived: a peer closing mid-stream would otherwise yield a silently
+     * truncated body that only surfaces later as an unexplained parse failure.
+     *
      * @param resource $socket
      *
+     * @throws ApiClientException
      * @throws TimeoutException
      * @throws ImmediateConnectionCloseException
      */
@@ -963,7 +972,47 @@ class ApiClient
             throw new ImmediateConnectionCloseException('Server closed connection without sending data');
         }
 
-        return $response;
+        return $this->extractPayload($response);
+    }
+
+    /**
+     * @throws ApiClientException
+     */
+    private function extractPayload(string $response): string
+    {
+        if (10 > strlen($response)) {
+            $this->logger->error('Incomplete response header received from API', [
+                'bytes_received' => strlen($response),
+                'port' => $this->selectedPort,
+            ]);
+
+            throw new ApiClientException(sprintf('Incomplete response header, got %d of 10 bytes', strlen($response)));
+        }
+
+        $header = substr($response, 0, 10);
+        $announcedLength = (int) trim($header);
+        $payload = substr($response, 10);
+
+        if (1 > $announcedLength) {
+            $this->logger->error('Empty response body announced by API', [
+                'header' => trim($header),
+                'port' => $this->selectedPort,
+            ]);
+
+            throw new ApiClientException(sprintf('Response announced an empty body (header "%s")', trim($header)));
+        }
+
+        if (strlen($payload) !== $announcedLength) {
+            $this->logger->error('Truncated response received from API', [
+                'bytes_received' => strlen($payload),
+                'announced_length' => $announcedLength,
+                'port' => $this->selectedPort,
+            ]);
+
+            throw new ApiClientException(sprintf('Truncated response, got %d of %d announced bytes', strlen($payload), $announcedLength));
+        }
+
+        return $payload;
     }
 
     /** @param resource $socket */

src/BusProNet/DataProcessor/BookingPayloadBuilder.php

@@ -96,7 +96,7 @@ class BookingPayloadBuilder
         foreach ($bookingData->participants as $index => $participant) {
             $participantPayload = [
                 '@id' => $index + 1,
-                'status' => $bookingData->participantsStatus[$index],
+                'status' => $bookingData->participantsStatus[$index] ?? null,
                 ...$participant->toPayload(),
             ];
 

src/BusProNet/Model/Address.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\BusProNet\Model;
 
 use Symfony\Component\Validator\Constraints as Assert;
+
 use function Symfony\Component\String\u;
 
 /**

src/BusProNet/Model/Booking.php

@@ -143,6 +143,31 @@ class Booking
         });
     }
 
+    /**
+     * Checks whether a participant already holds a service in this booking.
+     *
+     * This is the BusPro-side baseline, not the working edit selection: it answers
+     * "did the participant have this service when the booking was last read back".
+     * Services already held may be kept regardless of their current status or
+     * contingent - withdrawing one produces "Anzahl Leistung stimmt nicht mit
+     * Teilnehmerzuordnung überein" on the next update.
+     *
+     * @param int $participantIndex The participant index to search for
+     * @param int $serviceId        The service ID to look for
+     *
+     * @return bool True if the participant already holds the service
+     */
+    public function hasServiceForParticipant(int $participantIndex, int $serviceId): bool
+    {
+        foreach ([...$this->additionalServices, ...$this->transportationServices] as $service) {
+            if ($service->id === $serviceId && in_array($participantIndex, $service->mapping)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
     /**
      * Retrieves transportation service for a specific participant and direction.
      *

src/BusProNet/Model/Hotel.php

@@ -35,4 +35,15 @@ class Hotel
 
     #[Groups(['api:list', 'api:single', 'snapshot'])]
     public ?string $country = null;
+
+    /**
+     * Raw `kostenstelle`, deliberately a string: coverage is thin and some hotels carry a
+     * space-separated list such as "84 85", so it is an opaque label, not a number.
+     */
+    #[Groups(['api:list', 'api:single', 'snapshot'])]
+    public ?string $costUnit = null;
+
+    /** {@see \App\BusProNet\Utility\CountryCodeMapper} — lowercase ISO-2, null when unmappable. */
+    #[Groups(['api:list', 'api:single', 'snapshot'])]
+    public ?string $countryCode = null;
 }

src/BusProNet/Model/PersonalData.php

@@ -61,6 +61,13 @@ class PersonalData
     /** @var list<string> */
     public array $hotelCodes = [];
 
+    // The authenticated account, not BusPro's idea of this person. One BusPro person may sign in
+    // under any of the addresses on its record, and each of those is a separate local account with
+    // its own roles, so neither the BusPro ids nor the communication email identifies one. Patched
+    // on by the caller in the same way as the roles and hotel codes above.
+    public ?string $subject = null;
+    public ?string $loginEmail = null;
+
     public function __construct()
     {
         $this->address = new Address();
@@ -132,14 +139,21 @@ class PersonalData
      * Creates a structured array containing user profile information
      * suitable for JWT claims or user session data.
      *
+     * `sub` and `email` describe the account that authenticated and are read from the patched-on
+     * fields, never from BusPro: `person_id`/`address_id` are shared by every account of the same
+     * person, and `profile.communication.email` is the first contact address on the BusPro record,
+     * which is not necessarily the one signed in with. Deliberately without a fallback to that
+     * address — a caller that forgets to patch them gets null rather than a wrong identity.
+     *
      * @return array<string, mixed> The claims array with user profile data
      */
     public function getClaims(): array
     {
         return [
+            'sub' => $this->subject,
             'person_id' => $this->personId,
             'address_id' => $this->addressId,
-            'email' => $this->communication->email,
+            'email' => $this->loginEmail,
             'roles' => $this->roles,
             'profile' => [
                 'first_name' => $this->firstName,

src/BusProNet/Utility/CountryCodeMapper.php

@@ -0,0 +1,120 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\BusProNet\Utility;
+
+use Psr\Log\LoggerInterface;
+
+/**
+ * Maps BusPro's `hotel/land` token onto a lowercase ISO 3166-1 alpha-2 code.
+ *
+ * BusPro has no country vocabulary: the field is free text that has accumulated three
+ * conventions side by side — ISO-2 (`CH`, `NL`), the European vehicle registration codes
+ * (`D`, `A`, `F`, `S`, `FL`) and ISO-3 (`AUT`, `PRT`, `HRV`), with the same country often
+ * under several tokens. The table below is therefore part of the API contract rather than
+ * a derivation: consumers render a flag from it, and a wrong entry mislabels a destination
+ * silently, which is worse than no flag at all. An unknown token maps to null — never to a
+ * guess, never to an empty string.
+ */
+class CountryCodeMapper
+{
+    /**
+     * Keys are upper-cased tokens, values lowercase ISO-2.
+     *
+     * Entries worth their explanation:
+     * - `IR` is Ireland, not Iran. Every row carrying it is Dublin or Carlow.
+     * - `SLO` is Slovakia here, not Slovenia: its only row is a Slovak company, and
+     *   Slovenia already arrives under its own `SI`.
+     * - `S`, `N`, `FL` are vehicle codes (Sweden, Norway, Liechtenstein), consistent with
+     *   the `D`/`A`/`F`/`I`/`E`/`B` in the same column.
+     * - `UK` is the colloquial form of the ISO `GB`.
+     *
+     * @var array<string, string>
+     */
+    private const MAP = [
+        'A' => 'at',
+        'AT' => 'at',
+        'AUT' => 'at',
+        'B' => 'be',
+        'CA' => 'ca',
+        'CH' => 'ch',
+        'CZ' => 'cz',
+        'D' => 'de',
+        'DEU' => 'de',
+        'DK' => 'dk',
+        'E' => 'es',
+        'ES' => 'es',
+        'F' => 'fr',
+        'FI' => 'fi',
+        'FL' => 'li',
+        'FR' => 'fr',
+        'GR' => 'gr',
+        'GRE' => 'gr',
+        'HR' => 'hr',
+        'HRV' => 'hr',
+        'HU' => 'hu',
+        'I' => 'it',
+        'IL' => 'il',
+        'IR' => 'ie',
+        'IS' => 'is',
+        'IT' => 'it',
+        'LT' => 'lt',
+        'LV' => 'lv',
+        'MT' => 'mt',
+        'N' => 'no',
+        'NL' => 'nl',
+        'PL' => 'pl',
+        'PRT' => 'pt',
+        'PT' => 'pt',
+        'RUS' => 'ru',
+        'S' => 'se',
+        'SI' => 'si',
+        'SLO' => 'sk',
+        'UK' => 'gb',
+        'USA' => 'us',
+        'ZA' => 'za',
+    ];
+
+    /**
+     * Tokens already reported in this process, so a master data file full of the same
+     * unknown token produces one log line rather than one per hotel.
+     *
+     * @var array<string, true>
+     */
+    private array $reported = [];
+
+    public function __construct(
+        private readonly LoggerInterface $logger,
+    ) {
+    }
+
+    /**
+     * @param string|null $token the raw `hotel/land` value
+     *
+     * @return string|null lowercase ISO-2, or null when absent, empty or unmappable
+     */
+    public function map(?string $token): ?string
+    {
+        if (null === $token) {
+            return null;
+        }
+
+        $normalized = strtoupper(trim($token));
+
+        if ('' === $normalized) {
+            return null;
+        }
+
+        if (isset(self::MAP[$normalized])) {
+            return self::MAP[$normalized];
+        }
+
+        if (false === isset($this->reported[$normalized])) {
+            $this->reported[$normalized] = true;
+            $this->logger->warning('Unmapped BusPro country token', ['token' => $token]);
+        }
+
+        return null;
+    }
+}

src/BusProNet/XmlCrawlerFactory.php

@@ -20,4 +20,38 @@ final class XmlCrawlerFactory
 
         return $crawler;
     }
+
+    /**
+     * Explains why create() returned an empty Crawler. addXmlContent() discards the
+     * libxml errors, so an empty, a malformed and a truncated payload are
+     * indistinguishable afterwards; this re-parses to recover the reason. Only worth
+     * calling on the failure path.
+     */
+    public static function diagnose(string $xml): string
+    {
+        if ('' === trim($xml)) {
+            return sprintf('empty response (%d bytes)', strlen($xml));
+        }
+
+        $previousUseErrors = libxml_use_internal_errors(true);
+        libxml_clear_errors();
+
+        try {
+            simplexml_load_string($xml);
+
+            $messages = [];
+            foreach (libxml_get_errors() as $error) {
+                $messages[] = sprintf('%s (line %d, column %d)', trim($error->message), $error->line, $error->column);
+            }
+
+            if ([] === $messages) {
+                return sprintf('unknown XML error (%d bytes)', strlen($xml));
+            }
+
+            return sprintf('%s (%d bytes)', implode('; ', array_unique($messages)), strlen($xml));
+        } finally {
+            libxml_clear_errors();
+            libxml_use_internal_errors($previousUseErrors);
+        }
+    }
 }

src/BusProNet/XmlLoader/HotelLoader.php

@@ -4,14 +4,25 @@ namespace App\BusProNet\XmlLoader;
 
 use App\BusProNet\Model\Hotel;
 use App\BusProNet\Model\Travel;
+use App\BusProNet\Utility\CountryCodeMapper;
 use App\BusProNet\XmlCrawlerFactory;
 use App\Exception\HotelNotFoundException;
+use League\Flysystem\FilesystemOperator;
 use Psr\Cache\InvalidArgumentException;
 use Symfony\Component\DomCrawler\Crawler;
+use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
 
 class HotelLoader extends AbstractLoader
 {
+    public function __construct(
+        private readonly CountryCodeMapper $countryCodeMapper,
+        CacheInterface $cache,
+        FilesystemOperator $xmlExport,
+    ) {
+        parent::__construct($cache, $xmlExport);
+    }
+
     /** @return array<int, Hotel> */
     public function loadAll(?string $filename = 'hotel.xml'): array
     {
@@ -87,6 +98,10 @@ class HotelLoader extends AbstractLoader
         $hotel->country = $this->getStringOrNullValue($node->filterXPath('//land'));
         $hotel->street = $this->getStringOrNullValue($node->filterXPath('//strasse'));
         $hotel->phone = $this->getStringOrNullValue($node->filterXPath('//telefon'));
+        // String, never int: see Hotel::$costUnit.
+        $hotel->costUnit = $this->getStringOrNullValue($node->filterXPath('//kostenstelle'));
+        // `country` itself stays the raw token — it is the join key into /api/countries[].token.
+        $hotel->countryCode = $this->countryCodeMapper->map($hotel->country);
 
         return $hotel;
     }

src/BusProNet/XmlLoader/TravelLoader.php

@@ -92,6 +92,13 @@ class TravelLoader extends AbstractLoader
                             ->each(function (Crawler $hotelNode) use (&$mapping, $hotels, $travelId) {
                                 $hotelId = (int) $hotelNode->attr('idbuspro');
 
+                                // A travel may reference a hotel that hotel.xml does not carry.
+                                // Reading ->name off the miss would fatal the whole mapping, not
+                                // just this entry, and take /api/travels down with it.
+                                if (false === isset($hotels[$hotelId])) {
+                                    return;
+                                }
+
                                 $mapping[$travelId]['hotels'][$hotelId] = [
                                     'id' => $hotelId,
                                     'code' => $hotelNode->attr('code'),
@@ -281,9 +288,9 @@ class TravelLoader extends AbstractLoader
     /**
      * Apply availability data to travel services.
      *
-     * Updates the availability status of additional and transportation
+     * Updates the remaining contingent and the live status of additional and
-     * services, and the allowed booking status, based on the provided
+     * transportation services, and the allowed booking status, based on the
-     * availability data.
+     * provided availability data.
      *
      * @param Travel                      $travel         The travel object to update
      * @param ServiceAvailabilityResponse $availabilities The availability data for services
@@ -293,8 +300,19 @@ class TravelLoader extends AbstractLoader
         $serviceAvailabilities = $availabilities->getServices();
 
         foreach ([...$travel->additionalServices, ...$travel->transportationServices] as $service) {
-            if (array_key_exists($service->id, $serviceAvailabilities)) {
+            if (false === array_key_exists($service->id, $serviceAvailabilities)) {
-                $service->available = $serviceAvailabilities[$service->id]->available;
+                continue;
+            }
+
+            $availability = $serviceAvailabilities[$service->id];
+            $service->available = $availability->available;
+
+            // The live status is the only signal that a contingent has run out: BusPro moves a
+            // Leistung to 'Anfrage' without necessarily reporting frei="0". Only overwrite when the
+            // response actually carries one, so a response that omits the attribute does not wipe
+            // the value parsed from the XML export. Mirrors TravelSnapshotManager::applyExtendedToService().
+            if (null !== $availability->status && '' !== trim($availability->status)) {
+                $service->status = $availability->status;
             }
         }
 

src/BusProNet/XmlParser/ApiResponseParser.php

@@ -8,6 +8,11 @@ use App\BusProNet\XmlCrawlerFactory;
 
 class ApiResponseParser extends AbstractParser
 {
+    public function __construct(
+        private readonly TravelParser $travelParser,
+    ) {
+    }
+
     /**
      * @throws ResponseParserException
      */
@@ -17,7 +22,7 @@ class ApiResponseParser extends AbstractParser
         $crawler = XmlCrawlerFactory::create($xml);
 
         if (0 === $crawler->count()) {
-            throw new ResponseParserException('Empty response received from server');
+            throw new ResponseParserException('Unable to parse XML response: '.XmlCrawlerFactory::diagnose($xml));
         }
 
         // Override type unless present in XML to catch error responses
@@ -56,7 +61,8 @@ class ApiResponseParser extends AbstractParser
                         case 'Vorgangdruck':
                             return (new DocumentsParser())->parseConfirmation($resultNode);
                     }
-                    break;
+
+                    throw new ResponseParserException(sprintf('Unrecognised customer data subtype "%s"', $subType));
                 case ApiClient::TYPE_BASE_DATA_COUNTRIES:
                     return (new CountriesParser())->parse($resultNode);
                 case ApiClient::TYPE_MUTABLE_DATA:
@@ -80,7 +86,7 @@ class ApiResponseParser extends AbstractParser
                         throw new ResponseParserException('No travel data node found in product data response');
                     }
 
-                    return (new TravelParser())->parse($travelNode->first(), ...$additionalArgs);
+                    return $this->travelParser->parse($travelNode->first(), ...$additionalArgs);
                 case ApiClient::TYPE_AGENCIES:
                     return (new AgencyParser())->parse($resultNode);
                 case ApiClient::TYPE_PURCHASE_VOUCHER:
@@ -92,6 +98,6 @@ class ApiResponseParser extends AbstractParser
             throw new ResponseParserException('Invalid XML response structure: '.$e->getMessage(), 0, $e);
         }
 
-        throw new ResponseParserException('Unable to parse XML response');
+        throw new ResponseParserException(sprintf('Unrecognised BusProNet response type "%s"', $responseType));
     }
 }

src/BusProNet/XmlParser/BookingParser.php

@@ -49,11 +49,13 @@ class BookingParser extends AbstractParser
 
         $booking->applicant = $this->parsePersonalData($node->filterXPath('//anmelder'));
 
-        $participantsStatus = $this->getArrayValue($node->filterXPath('//status_teilnehmer'), '/');
-        $booking->participantsStatus = array_combine(range(0, count($participantsStatus) - 1), $participantsStatus);
-
         $booking->participants = $this->parseParticipants($node->filterXPath('//teilnehmerliste/teilnehmer'));
 
+        $booking->participantsStatus = $this->mapParticipantsStatus(
+            array_keys($booking->participants),
+            $this->getArrayValue($node->filterXPath('//status_teilnehmer'), '/'),
+        );
+
         $paymentData = $node->filterXPath('//zahlung');
         $booking->paymentId = $this->getAttrOrNullValue($paymentData, 'idzahlungsart');
         $booking->paymentLabel = $this->getAttrOrNullValue($paymentData, 'bezeichnung');
@@ -129,6 +131,38 @@ class BookingParser extends AbstractParser
         return $participants;
     }
 
+    /**
+     * Maps the positional status_teilnehmer list onto the participant keys.
+     *
+     * BusPro sends the statuses as a slash-separated list in teilnehmerliste order and
+     * without ids, while participants are keyed by "BusPro participant id - 1" (see
+     * parseParticipants()). Zipping the two in document order keeps both arrays on the same
+     * keys even when the ids are not contiguous from 1, which BookingPayloadBuilder relies
+     * on when it reads participantsStatus[$index] while iterating participants, and which
+     * gates editing in ParticipantController::isParticipantCanceled().
+     *
+     * Surplus entries on either side are dropped rather than shifting the remaining ones
+     * onto the wrong participant.
+     *
+     * @param list<int>    $participantKeys Participant array keys, in document order
+     * @param list<string> $statusValues    Status codes, in document order
+     *
+     * @return array<int, string>
+     */
+    private function mapParticipantsStatus(array $participantKeys, array $statusValues): array
+    {
+        $count = min(count($participantKeys), count($statusValues));
+
+        if (0 === $count) {
+            return [];
+        }
+
+        return array_combine(
+            array_slice($participantKeys, 0, $count),
+            array_slice($statusValues, 0, $count),
+        );
+    }
+
     private function parsePersonalData(Crawler $node): PersonalData
     {
         $personalData = new PersonalData();

src/BusProNet/XmlParser/CrmAttributesResponseParser.php

@@ -26,11 +26,22 @@ class CrmAttributesResponseParser
 {
     use TypeConversionTrait;
 
-    private const BPN_CRM_ID_ADMIN = 1292;
+    /**
-    private const BPN_CRM_ID_MANAGER = 1293;
+     * The CRM selections that stand for a role, by selection id. "Hausleitung" is deliberately not
-    private const BPN_CRM_ID_TEAMER = 1070;
+     * in here: its ids are deployment configuration (see $houseManagerIds) and carry a hotel code
-    private const BPN_CRM_ID_GROUPS_MANAGER = 1477;
+     * on top of the role.
-    private const BPN_CRM_ID_GROUPS_ADMIN = 1478;
+     *
+     * @var array<int, string> selection id => role
+     */
+    private const ROLE_BY_CRM_ID = [
+        1070 => Role::TEAMER,
+        1292 => Role::ADMIN,
+        1293 => Role::MANAGER,
+        1477 => Role::GROUPS_MANAGER,
+        1478 => Role::GROUPS_ADMIN,
+        1483 => Role::CUSTOMER_EXPERT,
+        1484 => Role::TEAM_ADMIN,
+    ];
 
     /**
      * @param array<int|string, string> $houseManagerIds "Hausleitung" selection id => hotel code
@@ -71,20 +82,11 @@ class CrmAttributesResponseParser
                                 $roles[] = Role::HOUSE_MANAGER;
                                 $hotelCodes[] = $hotelCode;
                             }
-                            if (self::BPN_CRM_ID_ADMIN === $attribute->id) {
+
-                                $roles[] = Role::ADMIN;
+                            $role = self::ROLE_BY_CRM_ID[$attribute->id] ?? null;
-                            }
+
-                            if (self::BPN_CRM_ID_MANAGER === $attribute->id) {
+                            if (null !== $role) {
-                                $roles[] = Role::MANAGER;
+                                $roles[] = $role;
-                            }
-                            if (self::BPN_CRM_ID_TEAMER === $attribute->id) {
-                                $roles[] = Role::TEAMER;
-                            }
-                            if (self::BPN_CRM_ID_GROUPS_MANAGER === $attribute->id) {
-                                $roles[] = Role::GROUPS_MANAGER;
-                            }
-                            if (self::BPN_CRM_ID_GROUPS_ADMIN === $attribute->id) {
-                                $roles[] = Role::GROUPS_ADMIN;
                             }
                         }
 

src/BusProNet/XmlParser/TravelParser.php

@@ -29,8 +29,20 @@ class TravelParser extends AbstractParser
         Constants::PSEUDO_PRICE_ROOM_CODE,
     ];
 
+    /**
+     * `$levelBoardingPointPrices` carries no default on purpose: a hand-built parser would
+     * otherwise silently ignore APP_BPN_LEVEL_BOARDING_POINT_PRICES and price one travel tier
+     * differently from the others. The registry gave up its own default along with it, so that
+     * there is one way to build this class — through the container, or explicitly in a test.
+     *
+     * @param bool $levelBoardingPointPrices Whether to compensate the BusPro export defect that
+     *                                       omits a boarding point's return-leg price. The
+     *                                       container wires it from
+     *                                       APP_BPN_LEVEL_BOARDING_POINT_PRICES.
+     */
     public function __construct(
-        private readonly AgeConstraintParserRegistry $ageConstraintRegistry = new AgeConstraintParserRegistry(),
+        private readonly AgeConstraintParserRegistry $ageConstraintRegistry,
+        private readonly bool $levelBoardingPointPrices,
     ) {
     }
 
@@ -87,8 +99,10 @@ class TravelParser extends AbstractParser
         $travel->pickups = $this->getPickups($node->filterXPath('.//zustiege/zustieg'), $dateFrom, true);
         $travel->dropOffs = $this->getPickups($node->filterXPath('.//zustiege_rueck/zustieg_rueck'), $dateTo, false);
 
-        // Merge drop-off prices into pickups for split pricing support
+        // A boarding point costs the same in both directions
-        $this->mergeDropOffPricesIntoPickups($travel->pickups, $travel->dropOffs);
+        if ($this->levelBoardingPointPrices) {
+            $this->applyBoardingPointPriceLevelling($travel->pickups, $travel->dropOffs);
+        }
 
         $travel->guide = $this->getGuide($node);
 
@@ -453,22 +467,43 @@ class TravelParser extends AbstractParser
     }
 
     /**
-     * Merges drop-off prices into pickups for split pricing support.
+     * Levels the price of a boarding point across both travel directions.
      *
-     * For each pickup, finds the matching drop-off by ID and copies
+     * A boarding point is either free or costs the same in both directions:
-     * the inbound price to the pickup's priceInbound property. This enables
+     * `ZustiegPreis` is keyed by (point, tariff scheme) and holds no per-leg price, so
-     * split pricing calculations where costs are distributed between outbound
+     * BusPro bills an `Abfahrtsortzuschlag` per leg at one and the same rate. An
-     * and inbound transportation.
+     * asymmetric pair is therefore always an export defect — on some products a
+     * `<zustieg_rueck>` carries no `preis` although the engine still charges the return
+     * leg — and the stated price is the one that applies to both legs.
+     *
+     * Where both directions state a price they agree in practice; the outbound one wins
+     * to keep the outcome deterministic. Points without a counterpart are left as they are.
+     *
+     * Compensating the defect locally is provisional, so it is switchable: with
+     * `$levelBoardingPointPrices` off the export is reported verbatim and the affected
+     * travels undercharge the return leg again. See
+     * `docs/buspro-database-reference.md` section A7.
      *
      * @param array<int, Pickup> $pickups  Pickups indexed by ID (modified in place)
-     * @param array<int, Pickup> $dropOffs Drop-offs indexed by ID
+     * @param array<int, Pickup> $dropOffs Drop-offs indexed by ID (modified in place)
      */
-    private function mergeDropOffPricesIntoPickups(array &$pickups, array $dropOffs): void
+    private function applyBoardingPointPriceLevelling(array $pickups, array $dropOffs): void
     {
-        foreach ($pickups as $pickupId => $pickup) {
+        foreach ($dropOffs as $pickupId => $dropOff) {
-            if (isset($dropOffs[$pickupId])) {
+            if (false === isset($pickups[$pickupId])) {
-                $pickup->priceInbound = $dropOffs[$pickupId]->priceInbound;
+                continue;
             }
+
+            $pickup = $pickups[$pickupId];
+            $price = $pickup->price ?? $dropOff->price;
+
+            $pickup->price = $price;
+            $pickup->priceOutbound = $price;
+            $pickup->priceInbound = $price;
+
+            $dropOff->price = $price;
+            $dropOff->priceOutbound = $price;
+            $dropOff->priceInbound = $price;
         }
     }
 

src/Command/BookingRepairDraftCommand.php

@@ -0,0 +1,489 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Command;
+
+use App\BusProNet\ApiClient;
+use App\BusProNet\Constants;
+use App\BusProNet\DataProcessor\BookingDataProcessor;
+use App\BusProNet\Model\Booking;
+use App\BusProNet\Model\Notification;
+use App\BusProNet\Model\Service;
+use App\BusProNet\Model\Travel;
+use App\Entity\BookingEditDraft;
+use App\Entity\User;
+use App\Repository\BookingEditDraftRepository;
+use App\Security\Crypt;
+use App\Service\BookingChangeTracker;
+use App\Service\BookingEditDraftMerger;
+use App\Service\TravelDataProvider;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
+
+/**
+ * Repairs a booking edit draft that BusPro keeps rejecting.
+ *
+ * A draft survives every failed submission and is replayed on each re-entry into the edit flow.
+ * When one selection inside it has become unacceptable to BusPro - a Leistung whose status has
+ * drifted to "Anfrage" because its contingent ran out, say - the whole change is refused, nothing
+ * persists, and the customer is stuck in a loop they cannot edit their way out of. Booking 98787
+ * accumulated 37 such failures over two months.
+ *
+ * The valuable half of that draft is the personal data: names, dates of birth, contact details,
+ * addresses, room remarks. Re-entering it by hand for eighty participants is not a reasonable ask.
+ * So this command rebuilds the draft on top of the booking as BusPro currently holds it, keeps
+ * every field the customer typed, and reverts only the service selections that BusPro will not
+ * accept - naming each one, so the office can tell the customer what to pick again.
+ *
+ * Dry run by default. --apply writes a JSON backup of the original form data first.
+ */
+#[AsCommand(
+    name: 'app:booking:repair-draft',
+    description: 'Rebuild a rejected booking edit draft, keeping typed data and reverting unacceptable service selections',
+)]
+class BookingRepairDraftCommand extends Command
+{
+    /**
+     * Draft `services` keys holding a single service id.
+     */
+    /**
+     * Date of birth the office writes into the empty slots of a template booking.
+     */
+    private const PLACEHOLDER_DATE_OF_BIRTH = '2000-01-01';
+
+    private const SINGLE_SERVICE_KEYS = ['skiPass', 'veg', 'insurance', 'rentalInsurance'];
+
+    /**
+     * Draft `services` keys holding a list of service ids.
+     *
+     * @var list<string>
+     */
+    private const LIST_SERVICE_KEYS = ['courses', 'board', 'rentals', 'additionalServices'];
+
+    /**
+     * Transport is reverted as a unit: a participant put back on their own arrival must lose the
+     * pickup and drop-off that only make sense on a coach.
+     *
+     * @var list<string>
+     */
+    private const TRANSPORT_KEYS = ['transportationOutbound', 'transportationInbound', 'pickup', 'dropOff'];
+
+    public function __construct(
+        private readonly BookingEditDraftRepository $draftRepository,
+        private readonly EntityManagerInterface $entityManager,
+        private readonly ApiClient $apiClient,
+        private readonly Crypt $crypt,
+        private readonly TravelDataProvider $travelDataProvider,
+        private readonly BookingDataProcessor $bookingDataProcessor,
+        private readonly BookingEditDraftMerger $draftMerger,
+        private readonly BookingChangeTracker $changeTracker,
+        #[Autowire('%kernel.project_dir%')]
+        private readonly string $projectDir,
+    ) {
+        parent::__construct();
+    }
+
+    protected function configure(): void
+    {
+        $this
+            ->addOption('booking', 'b', InputOption::VALUE_REQUIRED, 'idbuchung whose draft should be repaired')
+            ->addOption('apply', null, InputOption::VALUE_NONE, 'Write the repaired draft. Without this the command only reports')
+            ->addOption('backup-dir', null, InputOption::VALUE_REQUIRED, 'Where to write the backup of the original form data', 'var/draft-backups')
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+
+        $bookingId = $input->getOption('booking');
+        if (null === $bookingId) {
+            $io->error('--booking is required.');
+
+            return Command::INVALID;
+        }
+
+        $draft = $this->findSingleDraft($io, (int) $bookingId);
+        if (null === $draft) {
+            return Command::FAILURE;
+        }
+
+        $user = $draft->getUser();
+        $booking = $this->fetchLiveBooking($io, $user, (int) $bookingId);
+        if (null === $booking) {
+            return Command::FAILURE;
+        }
+
+        $travel = $this->travelDataProvider->getTravelData((int) $booking->dateId, $booking->hotelId, true);
+        if (null === $travel) {
+            $io->error(sprintf('No travel data for date id %d.', (int) $booking->dateId));
+
+            return Command::FAILURE;
+        }
+
+        $formData = $draft->getFormData();
+        $draftParticipants = $formData['participants'] ?? [];
+
+        if (false === $this->assertAlignment($io, $booking, $draftParticipants)) {
+            return Command::FAILURE;
+        }
+
+        $blocked = $this->collectUnbookableServices($io, $travel);
+
+        // The booking as BusPro currently holds it is the only state known to be acceptable, so
+        // it is the base everything is rebuilt on.
+        $repairedDto = $this->bookingDataProcessor->createBookingDtoFromBooking(
+            $booking,
+            $travel,
+            false,
+        );
+
+        $liveSelections = $this->changeTracker->extractUserData($repairedDto)['participants'] ?? [];
+
+        $reverted = [];
+        foreach ($draftParticipants as $index => $participantData) {
+            if (false === isset($repairedDto->participants[$index])) {
+                continue;
+            }
+
+            $filtered = $this->filterServiceSelections(
+                $participantData,
+                $liveSelections[$index]['services'] ?? [],
+                $blocked,
+                $index,
+                $reverted,
+            );
+
+            $this->draftMerger->apply($repairedDto, $index, $repairedDto->participants[$index], $filtered, $travel);
+        }
+
+        $repaired = $this->changeTracker->extractUserData($repairedDto);
+
+        $this->report($io, $formData, $repaired, $reverted, $blocked);
+
+        if (false === $input->getOption('apply')) {
+            $io->note('Dry run. Re-run with --apply to write the repaired draft.');
+
+            return Command::SUCCESS;
+        }
+
+        $backupPath = $this->writeBackup($draft, (string) $input->getOption('backup-dir'));
+        $io->success(sprintf('Original form data backed up to %s', $backupPath));
+
+        $draft->setFormData($repaired);
+        $this->entityManager->flush();
+
+        $io->success(sprintf('Draft %d repaired.', (int) $draft->getId()));
+
+        return Command::SUCCESS;
+    }
+
+    private function findSingleDraft(SymfonyStyle $io, int $bookingId): ?BookingEditDraft
+    {
+        $drafts = $this->draftRepository->findBy(['bookingId' => $bookingId]);
+
+        if ([] === $drafts) {
+            $io->error(sprintf('No draft found for booking %d.', $bookingId));
+
+            return null;
+        }
+
+        if (count($drafts) > 1) {
+            $io->error(sprintf('Booking %d has %d drafts; resolve by hand.', $bookingId, count($drafts)));
+
+            return null;
+        }
+
+        $draft = $drafts[0];
+        $io->definitionList(
+            ['Draft' => sprintf('%d (user %d)', (int) $draft->getId(), (int) $draft->getUser()->getId())],
+            ['Created' => $draft->getCreatedAt()->format('Y-m-d H:i')],
+            ['Last saved' => $draft->getUpdatedAt()->format('Y-m-d H:i')],
+            ['Participants' => (string) count($draft->getFormData()['participants'] ?? [])],
+        );
+
+        return $draft;
+    }
+
+    private function fetchLiveBooking(SymfonyStyle $io, User $user, int $bookingId): ?Booking
+    {
+        $result = $this->apiClient->getBooking(
+            (string) $user->getEmail(),
+            $this->crypt->decrypt((string) $user->getPassword()),
+            $bookingId,
+        );
+
+        if ($result instanceof Notification) {
+            $io->error(sprintf('Vorgang_Details failed: %d %s', (int) $result->code, (string) $result->message));
+
+            return null;
+        }
+
+        return $result;
+    }
+
+    /**
+     * Refuses to repair a draft whose positions no longer line up with the live booking.
+     *
+     * Drafts are merged positionally, by array index, with no identity check. Empty template
+     * slots are interchangeable, so they prove nothing; the participants BusPro already knows by
+     * date of birth are the only anchors available. If one of those has moved, every later
+     * position is suspect and rebuilding would quietly graft data onto the wrong people.
+     *
+     * @param array<int, array<string, mixed>> $draftParticipants
+     */
+    private function assertAlignment(SymfonyStyle $io, Booking $booking, array $draftParticipants): bool
+    {
+        $liveCount = count($booking->participants);
+        $draftCount = count($draftParticipants);
+
+        if ($liveCount !== $draftCount) {
+            $io->warning(sprintf(
+                'Live booking has %d participants, the draft has %d. Seats were added or removed since the draft was written.',
+                $liveCount,
+                $draftCount,
+            ));
+        }
+
+        $anchors = 0;
+        $mismatches = [];
+
+        foreach (array_values($booking->participants) as $index => $participant) {
+            $liveDob = $participant->dateOfBirth?->format('Y-m-d');
+            if (null === $liveDob || self::PLACEHOLDER_DATE_OF_BIRTH === $liveDob) {
+                continue;
+            }
+
+            ++$anchors;
+            $draftDob = $draftParticipants[$index]['personalData']['dateOfBirth'] ?? null;
+
+            if (null !== $draftDob && $draftDob !== $liveDob) {
+                $mismatches[] = sprintf('position %d: live %s, draft %s', $index + 1, $liveDob, $draftDob);
+            }
+        }
+
+        if ([] !== $mismatches) {
+            $io->error('Draft positions no longer match the live booking:');
+            $io->listing($mismatches);
+            $io->comment('Repairing would move typed data onto the wrong participants. Resolve by hand.');
+
+            return false;
+        }
+
+        $io->text(sprintf('Alignment verified against %d participant(s) BusPro already knows.', $anchors));
+
+        return true;
+    }
+
+    /**
+     * Collects the services BusPro will not accept as an addition.
+     *
+     * A Leistung only takes new participants while its own status is "Frei"; anything else is the
+     * condition behind "Status der Leistung (A) ist unterschiedlich zum Status des Teilnehmers".
+     * Live availability is preferred over the travel data, which lags behind it.
+     *
+     * @return array<int, string> service id => status
+     */
+    private function collectUnbookableServices(SymfonyStyle $io, Travel $travel): array
+    {
+        $statuses = [];
+        foreach ([...$travel->additionalServices, ...$travel->transportationServices] as $service) {
+            if (null !== $service->id && null !== $service->status) {
+                $statuses[$service->id] = $service->status;
+            }
+        }
+
+        $live = $this->apiClient->getAvailabilitiesExtended((int) $travel->id);
+        if ($live instanceof Notification) {
+            $io->warning(sprintf(
+                'VERFUEGBARKEIT2 failed (%d %s); falling back to travel data, which may be stale.',
+                (int) $live->code,
+                (string) $live->message,
+            ));
+        } else {
+            foreach ($live->getServices() as $availability) {
+                if (null !== $availability->serviceId && null !== $availability->status && '' !== trim($availability->status)) {
+                    $statuses[$availability->serviceId] = $availability->status;
+                }
+            }
+        }
+
+        $blocked = array_filter($statuses, static fn (string $status): bool => Constants::STATUS_AVAILABLE !== $status);
+
+        if ([] === $blocked) {
+            $io->text('Every service on this travel is currently "Frei".');
+
+            return [];
+        }
+
+        $rows = [];
+        foreach ($blocked as $serviceId => $status) {
+            $service = $travel->additionalServices[$serviceId] ?? $travel->transportationServices[$serviceId] ?? null;
+            $label = $service instanceof Service ? (string) $service->label : '?';
+            $rows[] = [$serviceId, $label, $status];
+        }
+
+        $io->section('Services that cannot take new participants');
+        $io->table(['id', 'Leistung', 'status'], $rows);
+
+        return $blocked;
+    }
+
+    /**
+     * Drops the draft's selections that would add a participant to a service BusPro has closed.
+     *
+     * Removing a key leaves the live booking's own value in place, because the merger applies
+     * only the keys it is given. Selections BusPro still accepts - a different ski pass, a meal
+     * preference - are kept, so the customer loses as little as possible.
+     *
+     * @param array<string, mixed> $participantData
+     * @param array<string, mixed> $liveServices
+     * @param array<int, string>   $blocked
+     * @param list<string>         $reverted
+     *
+     * @return array<string, mixed>
+     */
+    private function filterServiceSelections(
+        array $participantData,
+        array $liveServices,
+        array $blocked,
+        int $index,
+        array &$reverted,
+    ): array {
+        if (false === isset($participantData['services']) || [] === $blocked) {
+            return $participantData;
+        }
+
+        $services = $participantData['services'];
+        $position = $index + 1;
+
+        foreach (self::SINGLE_SERVICE_KEYS as $key) {
+            $selected = $services[$key] ?? null;
+            if (null !== $selected && isset($blocked[$selected]) && ($liveServices[$key] ?? null) !== $selected) {
+                unset($services[$key]);
+                $reverted[] = sprintf('participant %d: %s (service %d, %s)', $position, $key, $selected, $blocked[$selected]);
+            }
+        }
+
+        foreach (self::LIST_SERVICE_KEYS as $key) {
+            $selected = $services[$key] ?? null;
+            if (false === is_array($selected)) {
+                continue;
+            }
+
+            $liveList = $liveServices[$key] ?? [];
+            $kept = [];
+            foreach ($selected as $serviceId) {
+                if (isset($blocked[$serviceId]) && false === in_array($serviceId, $liveList, true)) {
+                    $reverted[] = sprintf('participant %d: %s (service %d, %s)', $position, $key, $serviceId, $blocked[$serviceId]);
+
+                    continue;
+                }
+
+                $kept[] = $serviceId;
+            }
+
+            $services[$key] = $kept;
+        }
+
+        foreach (['transportationOutbound', 'transportationInbound'] as $key) {
+            $selected = $services[$key] ?? null;
+            if (null === $selected || false === isset($blocked[$selected]) || ($liveServices[$key] ?? null) === $selected) {
+                continue;
+            }
+
+            $reverted[] = sprintf('participant %d: %s (service %d, %s)', $position, $key, $selected, $blocked[$selected]);
+
+            // Transport reverts as a unit, pickup and drop-off included.
+            foreach (self::TRANSPORT_KEYS as $transportKey) {
+                unset($services[$transportKey]);
+            }
+
+            break;
+        }
+
+        $participantData['services'] = $services;
+
+        return $participantData;
+    }
+
+    /**
+     * @param array<string, mixed> $original
+     * @param array<string, mixed> $repaired
+     * @param list<string>         $reverted
+     * @param array<int, string>   $blocked
+     */
+    private function report(SymfonyStyle $io, array $original, array $repaired, array $reverted, array $blocked): void
+    {
+        $io->section('Typed data preserved');
+
+        $fields = ['firstName', 'lastName', 'dateOfBirth', 'email', 'mobile'];
+        $kept = 0;
+        $lost = [];
+
+        foreach ($original['participants'] ?? [] as $index => $participantData) {
+            foreach ($fields as $field) {
+                $before = $participantData['personalData'][$field] ?? null;
+                if (null === $before || '' === $before) {
+                    continue;
+                }
+
+                $after = $repaired['participants'][$index]['personalData'][$field] ?? null;
+                if ($before === $after) {
+                    ++$kept;
+
+                    continue;
+                }
+
+                $lost[] = sprintf('participant %d: %s', $index + 1, $field);
+            }
+        }
+
+        $io->text(sprintf('<info>%d</info> personal-data field(s) carried over.', $kept));
+
+        if ([] !== $lost) {
+            $io->warning(sprintf('%d field(s) could NOT be carried over:', count($lost)));
+            $io->listing(array_slice($lost, 0, 25));
+        }
+
+        $io->section('Service selections reverted');
+
+        if ([] === $reverted) {
+            $io->text([] === $blocked
+                ? 'None - no service on this travel is closed.'
+                : 'None - the draft selects no closed service.');
+
+            return;
+        }
+
+        $io->warning(sprintf('%d selection(s) reverted to the booked state. The customer must choose again:', count($reverted)));
+        $io->listing($reverted);
+    }
+
+    private function writeBackup(BookingEditDraft $draft, string $backupDir): string
+    {
+        $directory = $this->projectDir.'/'.trim($backupDir, '/');
+        if (false === is_dir($directory)) {
+            mkdir($directory, 0o775, true);
+        }
+
+        $path = sprintf(
+            '%s/draft-%d-booking-%d-%s.json',
+            $directory,
+            (int) $draft->getId(),
+            $draft->getBookingId(),
+            (new \DateTimeImmutable())->format('Ymd-His'),
+        );
+
+        file_put_contents($path, json_encode($draft->getFormData(), \JSON_PRETTY_PRINT | \JSON_UNESCAPED_UNICODE));
+
+        return $path;
+    }
+}

src/Command/BpnSyncContingentsCommand.php

@@ -114,12 +114,13 @@ class BpnSyncContingentsCommand extends Command
             }
 
             $io->writeln(sprintf(
-                '<info>%s</info>: %s (+%d ~%d -%d)',
+                '<info>%s</info>: %s (+%d ~%d -%d, %d beyond the previous horizon)',
                 (string) $accommodation->getCalendarCode(),
                 $result->changed ? 'changed' : 'unchanged',
                 $result->added,
                 $result->updated,
                 $result->removed,
+                $result->extended,
             ), OutputInterface::VERBOSITY_VERBOSE);
         }
 

src/Command/ImportGroupsLegacyDataCommand.php

@@ -334,10 +334,10 @@ class ImportGroupsLegacyDataCommand extends Command
     }
 
     /**
-     * @param list<array<string, string>>                                                          $rows
+     * @param list<array<string, string>>                                                           $rows
      * @param array<int, Accommodation>                                                             $accommodationByUid
-     * @param list<int>                                                                              $knownUids
+     * @param list<int>                                                                             $knownUids
-     * @param list<array{season: Season, dateFrom: \DateTimeImmutable, dateTo: \DateTimeImmutable}>  $seasonRanges
+     * @param list<array{season: Season, dateFrom: \DateTimeImmutable, dateTo: \DateTimeImmutable}> $seasonRanges
      *
      * @return array{0: int, 1: list<int>, 2: int}
      */
@@ -526,11 +526,11 @@ class ImportGroupsLegacyDataCommand extends Command
     }
 
     /**
-     * @param array<int, Accommodation>  $accommodationByUid
+     * @param array<int, Accommodation> $accommodationByUid
-     * @param list<AdditionalService>    $additionalServicesNeedingDefaultRange only these
+     * @param list<AdditionalService>   $additionalServicesNeedingDefaultRange only these
-     *                                   (titles without a leading year) get the accommodation-
+     *                                                                         (titles without a leading year) get the accommodation-
-     *                                   wide fallback range; year-prefixed ones already have
+     *                                                                         wide fallback range; year-prefixed ones already have
-     *                                   their scoped range set in importAdditionalServices().
+     *                                                                         their scoped range set in importAdditionalServices()
      */
     private function applyDateRangeToServices(array $accommodationByUid, array $additionalServicesNeedingDefaultRange): void
     {

src/Controller/Account/PersonalDataController.php

@@ -8,7 +8,6 @@ use App\BusProNet\ApiClient;
 use App\BusProNet\Exception\ApiClientException;
 use App\BusProNet\Model\Notification;
 use App\BusProNet\Model\PersonalData;
-use App\BusProNet\Model\PersonalDataUpdateResponse;
 use App\Entity\User;
 use App\Exception\NewsletterProviderException;
 use App\Form\PersonalDataType;

src/Controller/Admin/Accommodation/CalendarController.php

@@ -19,7 +19,7 @@ class CalendarController extends AbstractController
     {
         return $this->render('admin/accommodation/_calendar_section.html.twig', [
             'accommodation' => $accommodation,
-            'startMonth'    => $request->query->get('month'),
+            'startMonth' => $request->query->get('month'),
         ]);
     }
 }

src/Controller/Admin/AccommodationBooking/ChangeAccommodationController.php

@@ -6,11 +6,13 @@ namespace App\Controller\Admin\AccommodationBooking;
 
 use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AccommodationBooking;
+use App\Exception\ImplausibleBookingPriceException;
 use App\Form\Admin\Groups\AccommodationBookingChangeAccommodationType;
 use App\Htmx\HxTrait;
 use App\Service\AccommodationBookingService;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Form\FormError;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
@@ -49,7 +51,24 @@ class ChangeAccommodationController extends AbstractController
             $selected = $form->get('accommodation')->getData();
 
             if ($selected instanceof Accommodation && $selected !== $booking->getAccommodation()) {
-                $this->bookingService->changeAccommodation($booking, $selected);
+                try {
+                    $this->bookingService->changeAccommodation($booking, $selected);
+                } catch (ImplausibleBookingPriceException $e) {
+                    // The house that was picked prices this stay implausibly high, so the change
+                    // did not happen. Reported in the modal the office is standing in front of —
+                    // the same treatment the create and edit forms give it.
+                    $this->logger->error('Refused to change accommodation over an implausible booking total', [
+                        'exception' => $e,
+                        'id' => $booking->getId(),
+                        'accommodation' => $selected->getCalendarCode(),
+                    ]);
+                    $form->addError(new FormError(ImplausibleBookingPriceException::FORM_ERROR_MESSAGE));
+
+                    return $this->render('admin/accommodation_booking/modal_change_accommodation.html.twig', [
+                        'booking' => $booking,
+                        'form' => $form,
+                    ]);
+                }
 
                 $this->addFlash('success', 'Das Gruppenhaus wurde geändert. Bitte wähle die Leistungen neu aus.');
 

src/Controller/Admin/AccommodationBooking/CreateController.php

@@ -6,12 +6,15 @@ namespace App\Controller\Admin\AccommodationBooking;
 
 use App\Entity\Groups\AccommodationBooking;
 use App\Entity\User;
+use App\Exception\ImplausibleBookingPriceException;
 use App\Form\Admin\Groups\AccommodationBookingCreateType;
 use App\Htmx\HxRedirectResponse;
 use App\Service\AccommodationBookingService;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Form\FormError;
+use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
@@ -45,8 +48,7 @@ class CreateController extends AbstractController
         ]);
         $form->handleRequest($request);
 
-        if ($form->isSubmitted() && $form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid() && $this->refreshPriceSnapshot($form, $booking)) {
-            $this->bookingService->refreshPriceSnapshot($booking);
             $this->entityManager->persist($booking);
             $this->entityManager->flush();
 
@@ -65,4 +67,31 @@ class CreateController extends AbstractController
             'form' => $form,
         ]);
     }
+
+    /**
+     * The price is computed after validation, so an implausible total cannot be a constraint on
+     * the form — it is reported as one anyway, because the office's next move is to go and fix
+     * the house's prices, not to read an error page.
+     *
+     * @param FormInterface<AccommodationBooking> $form
+     */
+    private function refreshPriceSnapshot(FormInterface $form, AccommodationBooking $booking): bool
+    {
+        try {
+            $this->bookingService->refreshPriceSnapshot($booking);
+
+            return true;
+        } catch (ImplausibleBookingPriceException $e) {
+            $this->logger->error('Refused to store an implausible accommodation booking total', [
+                'exception' => $e,
+                'id' => $booking->getId(),
+                'accommodation' => $booking->getAccommodation()?->getCalendarCode(),
+                'paxCount' => $booking->getPaxCount(),
+                'nights' => $booking->getNights(),
+            ]);
+            $form->addError(new FormError(ImplausibleBookingPriceException::FORM_ERROR_MESSAGE));
+
+            return false;
+        }
+    }
 }

src/Controller/Admin/AccommodationBooking/DuplicateController.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Admin\AccommodationBooking;
+
+use App\Entity\Groups\AccommodationBooking;
+use App\Htmx\HxRedirectResponse;
+use App\Service\AccommodationBookingService;
+use Psr\Log\LoggerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+/**
+ * Copying is its own named action rather than a flag on the edit route the way it is for the
+ * catalog entities (see Admin\AdditionalService\EditController): a booking carries a lifecycle,
+ * so the copy has to be reset and written before anybody edits it, and the edit form is built
+ * from a persisted record's house and service catalog.
+ *
+ * Unlike absagen and löschen this has no status guard — the original is not touched, so a
+ * confirmed or discarded booking may be copied just as well as a draft.
+ */
+#[IsGranted('ROLE_GROUPS_MANAGER')]
+class DuplicateController extends AbstractController
+{
+    public function __construct(
+        private readonly AccommodationBookingService $bookingService,
+        private readonly LoggerInterface $logger,
+    ) {
+    }
+
+    #[Route('/admin/accommodation-booking/{id}/duplicate', name: 'app_admin_accommodationbooking_duplicate')]
+    public function index(AccommodationBooking $booking, Request $request): Response
+    {
+        if ($request->isMethod(Request::METHOD_POST)) {
+            if (!$this->isCsrfTokenValid('duplicate_accommodation_booking_'.$booking->getId(), $request->request->getString('_token'))) {
+                throw $this->createAccessDeniedException('Invalid CSRF token.');
+            }
+
+            $copy = $this->bookingService->duplicate($booking);
+
+            $this->addFlash('success', 'Die Kopie wurde als neuer Entwurf angelegt.');
+
+            $this->logger->info('Duplicated accommodation booking', [
+                'id' => $booking->getId(),
+                'copyId' => $copy->getId(),
+                'groupName' => $copy->getGroupName(),
+            ]);
+
+            // Straight into the copy's edit form — the copy exists to be changed, and that is
+            // the only reason it was made. The return url is forwarded still encoded, the way
+            // return_url() handed it over, so "zurück" still leads to the list this started from.
+            $parameters = ['id' => $copy->getId()];
+            $returnUrl = $request->query->getString('r');
+            if ('' !== $returnUrl) {
+                $parameters['r'] = $returnUrl;
+            }
+
+            return new HxRedirectResponse($this->generateUrl('app_admin_accommodationbooking_edit', $parameters));
+        }
+
+        return $this->render('admin/accommodation_booking/modal_duplicate.html.twig', [
+            'booking' => $booking,
+            'csrf_token_id' => 'duplicate_accommodation_booking_'.$booking->getId(),
+        ]);
+    }
+}

src/Controller/Admin/AccommodationBooking/EditController.php

@@ -7,6 +7,7 @@ namespace App\Controller\Admin\AccommodationBooking;
 use App\Entity\Groups\AccommodationBooking;
 use App\Entity\Groups\AdditionalService;
 use App\Entity\Groups\BoardService;
+use App\Exception\ImplausibleBookingPriceException;
 use App\Form\Admin\Groups\AccommodationBookingType;
 use App\Repository\Groups\AdditionalServiceRepository;
 use App\Repository\Groups\BoardServiceRepository;
@@ -15,6 +16,8 @@ use App\Service\AccommodationBookingService;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Form\FormError;
+use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
@@ -121,7 +124,15 @@ class EditController extends AbstractController
                 }
             }
 
-            $this->bookingService->refreshPriceSnapshot($booking);
+            if (!$this->refreshPriceSnapshot($form, $booking)) {
+                // The submitted changes stay on the entity but are never flushed, so the form
+                // comes back filled in with the error on it. Logging is safe here: the database
+                // handler writes through DBAL, not the EntityManager.
+                return $this->render('admin/accommodation_booking/edit.html.twig', [
+                    'booking' => $booking,
+                    'form' => $form,
+                ]);
+            }
 
             // Editing never moves the booking on and never mails the customer: every status
             // change is its own named action (Angebot senden, bestätigen, absagen), so the
@@ -154,4 +165,31 @@ class EditController extends AbstractController
             'form' => $form,
         ]);
     }
+
+    /**
+     * The price is computed after validation, so an implausible total cannot be a constraint on
+     * the form — it is reported as one anyway, because the office's next move is to go and fix
+     * the house's prices, not to read an error page.
+     *
+     * @param FormInterface<AccommodationBooking> $form
+     */
+    private function refreshPriceSnapshot(FormInterface $form, AccommodationBooking $booking): bool
+    {
+        try {
+            $this->bookingService->refreshPriceSnapshot($booking);
+
+            return true;
+        } catch (ImplausibleBookingPriceException $e) {
+            $this->logger->error('Refused to store an implausible accommodation booking total', [
+                'exception' => $e,
+                'id' => $booking->getId(),
+                'accommodation' => $booking->getAccommodation()?->getCalendarCode(),
+                'paxCount' => $booking->getPaxCount(),
+                'nights' => $booking->getNights(),
+            ]);
+            $form->addError(new FormError(ImplausibleBookingPriceException::FORM_ERROR_MESSAGE));
+
+            return false;
+        }
+    }
 }

src/Controller/Admin/AccommodationPrice/CreateController.php

@@ -46,7 +46,7 @@ class CreateController extends AbstractController
                 'date_range' => [
                     'from' => $accommodationPrice->getDateFrom()->format('Y-m-d'),
                     'to' => $accommodationPrice->getDateTo()->format('Y-m-d'),
-                ]
+                ],
             ]);
 
             $returnUrl = $this->generateUrl('app_admin_accommodation_edit', [

src/Controller/Admin/AccommodationPrice/EditController.php

@@ -52,7 +52,7 @@ class EditController extends AbstractController
                 'date_range' => [
                     'from' => $accommodationPrice->getDateFrom()->format('Y-m-d'),
                     'to' => $accommodationPrice->getDateTo()->format('Y-m-d'),
-                ]
+                ],
             ]);
 
             $returnUrl = $this->generateUrl('app_admin_accommodation_edit', [

src/Controller/Admin/AdditionalService/EditController.php

@@ -4,14 +4,11 @@ declare(strict_types=1);
 
 namespace App\Controller\Admin\AdditionalService;
 
-use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AdditionalService;
 use App\Form\Admin\Groups\AdditionalServiceType;
-use App\Htmx\HxRedirectResponse;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;

src/Controller/Admin/BookingEditDraft/DeleteController.php

@@ -15,7 +15,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class DeleteController extends AbstractController
 {
     use ReturnUrlTrait;

src/Controller/Admin/BookingEditDraft/ExportController.php

@@ -12,7 +12,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class ExportController extends AbstractController
 {
     use ReturnUrlTrait;

src/Controller/Admin/BookingEditDraft/FilterController.php

@@ -14,7 +14,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class FilterController extends AbstractController
 {
     use ListFilterTrait;

src/Controller/Admin/BookingEditDraft/IndexController.php

@@ -16,7 +16,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class IndexController extends AbstractController
 {
     use ListFilterTrait;

src/Controller/Admin/BookingEditDraft/ShowController.php

@@ -12,7 +12,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class ShowController extends AbstractController
 {
     use ReturnUrlTrait;

src/Controller/Admin/Log/DownloadController.php

@@ -12,7 +12,7 @@ use Symfony\Component\HttpFoundation\ResponseHeaderBag;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class DownloadController extends AbstractController
 {
     public function __construct(private readonly XmlDumpReader $xmlDumpReader)

src/Controller/Admin/Log/FilterController.php

@@ -14,7 +14,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class FilterController extends AbstractController
 {
     use ListFilterTrait;

src/Controller/Admin/Log/IndexController.php

@@ -15,7 +15,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class IndexController extends AbstractController
 {
     use ListFilterTrait;

src/Controller/Admin/Log/XmlDumpController.php

@@ -12,7 +12,7 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
 
-#[IsGranted('ROLE_ADMIN')]
+#[IsGranted('ROLE_CUSTOMER_EXPERT')]
 class XmlDumpController extends AbstractController
 {
     public function __construct(private readonly XmlDumpReader $xmlDumpReader)

src/Controller/Api/ExportController.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Api;
+
+use App\Model\TravelExportQuery;
+use App\Service\TravelExportBuilder;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Attribute\MapQueryString;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+/**
+ * Bulk exports, for consumers that mirror our data rather than query it per row.
+ *
+ * Deliberately its own resource rather than a verb hung off the collection it exports.
+ * `/api/travels/{dateCode}` accepts an arbitrary string, so an `/api/travels/export` would
+ * share a namespace with every date code and could only be kept apart from one by a
+ * negative lookahead on the sibling route -- a constraint nothing in the URL announces and
+ * which silently mis-routes when it is wrong. Under `/api/exports` the collision does not
+ * exist: this prefix never takes a parameterised segment, exactly like `/api/contingents`.
+ */
+#[Route('/api/exports')]
+#[IsGranted('ROLE_OAUTH2_API')]
+class ExportController extends AbstractController
+{
+    public function __construct(
+        private readonly TravelExportBuilder $travelExportBuilder,
+    ) {
+    }
+
+    /**
+     * Every travel date x hotel pair with its pickups resolved, paginated.
+     *
+     * The counters in meta describe the whole export, not the page, so they repeat
+     * unchanged on every page and a consumer can abort after the first one.
+     */
+    #[Route(path: '/travels', name: 'api_exports_travels', methods: ['GET'])]
+    public function travels(
+        #[MapQueryString(validationFailedStatusCode: Response::HTTP_BAD_REQUEST)]
+        TravelExportQuery $query = new TravelExportQuery(),
+    ): JsonResponse {
+        // Deliberately not wrapped in a catch that answers 200 with an error body, the way
+        // TravelController::hotelAvailability() does: the consumer's retry logic keys on
+        // status codes, so a failure here has to surface as a 5xx.
+        $export = $this->travelExportBuilder->build();
+
+        $total = count($export->rows);
+
+        return $this->json([
+            'data' => array_slice($export->rows, ($query->page - 1) * $query->perPage, $query->perPage),
+            'meta' => [
+                'page' => $query->page,
+                'perPage' => $query->perPage,
+                'total' => $total,
+                'totalPages' => (int) ceil($total / $query->perPage),
+                'skipped' => $export->skipped,
+                'pickupsWithoutMasterData' => $export->pickupsWithoutMasterData,
+                'generatedAt' => $export->generatedAt->format('c'),
+            ],
+        ]);
+    }
+}

src/Controller/Api/UserinfoController.php

@@ -26,8 +26,9 @@ class UserinfoController extends AbstractController
     #[Route('/userinfo', name: 'api_userinfo', methods: ['GET'])]
     public function index(): JsonResponse
     {
-        // basic scopes applicable to all authenticated users
+        // basic scopes applicable to all authenticated users. `sub` is not gated on a scope of its
-        $scopes = ['email'];
+        // own: it identifies the account every other claim describes, so it is always exported.
+        $scopes = ['sub', 'email'];
 
         // extend scopes depending on granted permissions
         if ($this->isGranted('ROLE_OAUTH2_ID')) {
@@ -53,6 +54,17 @@ class UserinfoController extends AbstractController
                 return new JsonResponse(['message' => $data->message, 'code' => $data->code], Response::HTTP_BAD_REQUEST);
             }
 
+            // Patch the identity of the account that authenticated. BusPro accepts any of the
+            // addresses on a person's record as a login and answers all of them with the same
+            // ids and the same first contact address, so only the local account tells the staff
+            // account and the private one apart — and they hold different roles.
+            //
+            // The uuid, not the primary key: consumers store this value and match their own
+            // accounts on it, so it must not disclose how many accounts exist or let one
+            // account's identifier be guessed from another's.
+            $data->subject = $user->getUuid();
+            $data->loginEmail = $user->getEmail();
+
             // Patch current user's roles. The implicit ROLE_USER says nothing about the
             // account — every authenticated user holds it — and is not exported.
             $data->roles = Role::effectiveOnly($user->getRoles());

src/Controller/Booking/Create/Step2Controller.php

@@ -13,6 +13,7 @@ use App\Form\BookingCreateStep2Type;
 use App\Form\Model\BookingDto;
 use App\Form\Model\ParticipantDto;
 use App\Form\Model\RoomSelectionDto;
+use App\Model\RoomSelectionAdjustment;
 use App\Service\BookingConfigurator;
 use App\Service\BookingCreateContextFactory;
 use App\Service\BookingSessionManager;
@@ -66,6 +67,12 @@ class Step2Controller extends AbstractBookingCreateController
         // Enrich with fresh availability data
         $this->travelDataService->enrichWithFreshAvailabilities($bookingCreateDto->travel);
 
+        // Resync the room selections with the refreshed travel before any participant count is derived
+        // from them, and send the customer back to step 1 when a room they picked is gone.
+        if (null !== $redirect = $this->guardAgainstUnavailableRoomSelection($request, $bookingCreateDto)) {
+            return $redirect;
+        }
+
         // Ensure correct number of participants first, then prepopulate the applicant if needed.
         if (null !== $redirect = $this->guardAgainstEmptyParticipantList($bookingCreateDto)) {
             return $redirect;
@@ -120,6 +127,79 @@ class Step2Controller extends AbstractBookingCreateController
         return $this->render('booking/create/step_2.html.twig', $templateData);
     }
 
+    /**
+     * Sends the customer back to step 1 when the refreshed travel data no longer covers their rooms.
+     *
+     * Deriving the participant count from a room that has disappeared would silently fall back to a
+     * capacity of one and render too few participants, and a quantity the contingent no longer covers
+     * reaches the BusPro submit unchecked, because no later step re-reads room availability. The
+     * selections are resynced and saved before every exit, so step 1 and the neighbouring guard both
+     * see a collection that matches the rooms the template renders: leaving a stale entry behind would
+     * fail step 1's own validation on a field it never shows.
+     */
+    private function guardAgainstUnavailableRoomSelection(Request $request, BookingDto $bookingCreateDto): ?RedirectResponse
+    {
+        $adjustments = $this->bookingService->reconcileRoomSelections($bookingCreateDto);
+
+        $this->bookingSessionService->saveBookingDto($request, $bookingCreateDto, BookingDto::MODE_CREATE);
+
+        if ([] === $bookingCreateDto->travel->getAvailableRooms()) {
+            $this->handleApiError(
+                $this->logger,
+                'Travel has no bookable rooms left while a booking is in progress.',
+                $this->createRoomContext($bookingCreateDto, $adjustments),
+                'Für diese Reise sind leider keine Zimmer mehr verfügbar.'
+            );
+
+            return $this->redirectToRoute('app_booking_create_error');
+        }
+
+        if ([] === $adjustments) {
+            return null;
+        }
+
+        $hasDroppedRoom = false;
+        foreach ($adjustments as $adjustment) {
+            $hasDroppedRoom = $hasDroppedRoom || $adjustment->isDropped();
+        }
+
+        $this->handleApiError(
+            $this->logger,
+            'Room selection exceeds what the current travel data still offers.',
+            $this->createRoomContext($bookingCreateDto, $adjustments),
+            true === $hasDroppedRoom
+                ? 'Dein gewähltes Zimmer ist leider nicht mehr verfügbar. Bitte wähle dein Zimmer erneut.'
+                : 'Für dein gewähltes Zimmer sind nicht mehr genügend Plätze verfügbar. Wir haben deine Auswahl angepasst, bitte überprüfe sie.'
+        );
+
+        return $this->redirectToRoute('app_booking_create_step_1');
+    }
+
+    /**
+     * @param list<RoomSelectionAdjustment> $adjustments
+     *
+     * @return array<string, mixed>
+     */
+    private function createRoomContext(BookingDto $bookingCreateDto, array $adjustments): array
+    {
+        $rooms = [];
+        foreach ($adjustments as $adjustment) {
+            $rooms[] = [
+                'roomId' => $adjustment->roomId,
+                'label' => $adjustment->label,
+                'requestedQuantity' => $adjustment->requestedQuantity,
+                'bookableQuantity' => $adjustment->bookableQuantity,
+            ];
+        }
+
+        return [
+            'travelId' => $bookingCreateDto->travel->id,
+            'travelCode' => $bookingCreateDto->travel->code,
+            'hotelId' => $bookingCreateDto->hotelId,
+            'rooms' => $rooms,
+        ];
+    }
+
     /**
      * Rejects a room selection that resolves to no participants at all.
      *
@@ -190,7 +270,14 @@ class Step2Controller extends AbstractBookingCreateController
         $rooms = $travelData->getAvailableRooms();
 
         foreach ($roomSelections as $roomSelection) {
-            $room = $rooms[$roomSelection->id];
+            $room = $rooms[$roomSelection->id] ?? null;
+
+            if (null === $room) {
+                // Unreachable from index(), which reconciles the selections first. Kept so a future
+                // caller cannot silently fall back to a capacity of one and book too few people.
+                continue;
+            }
+
             $participantsCount += ($room->minPax ?? 1) * $roomSelection->quantity;
         }
 

src/Controller/Booking/Create/Step4Controller.php

@@ -10,16 +10,14 @@ use App\BusProNet\Model\Notification;
 use App\Entity\User;
 use App\Exception\BookingSessionNotFoundException;
 use App\Exception\HotelNotInTravelException;
-use App\Exception\NewsletterProviderException;
 use App\Exception\TravelNotFoundException;
 use App\Form\BookingCreateStep4Type;
 use App\Form\Model\BookingDto;
-use App\Form\Model\ParticipantDto;
 use App\Htmx\HxTrait;
 use App\Service\BookingConfigurator;
 use App\Service\BookingCreateContextFactory;
+use App\Service\BookingNewsletterOptIn;
 use App\Service\BookingSessionManager;
-use App\Service\NewsletterManager;
 use App\Service\ParticipantFormSupport;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\Form\FormInterface;
@@ -41,7 +39,7 @@ class Step4Controller extends AbstractBookingCreateController
         private readonly BookingCreateContextFactory $createContextFactory,
         private readonly ApiClient $apiClient,
         private readonly CacheInterface $cache,
-        private readonly NewsletterManager $doubleOptInService,
+        private readonly BookingNewsletterOptIn $bookingNewsletterOptIn,
         private readonly ParticipantFormSupport $participantFormSupportService,
         private readonly LoggerInterface $logger,
     ) {
@@ -64,11 +62,15 @@ class Step4Controller extends AbstractBookingCreateController
             return $redirect;
         }
 
-        $newsletterTargetEmail = $this->resolveNewsletterTargetEmail($bookingCreateDto);
+        $user = $this->getUser();
+        $newsletterTargetEmail = $this->bookingNewsletterOptIn->resolveApplicantEmail($bookingCreateDto, $user instanceof User ? $user : null);
         $newsletterOptInVisible = null !== $newsletterTargetEmail;
+        $companions = $this->bookingNewsletterOptIn->resolveCompanions($bookingCreateDto, $newsletterTargetEmail);
+        $companionNewsletterOptInVisible = [] !== $companions;
 
         $form = $this->createForm(BookingCreateStep4Type::class, $bookingCreateDto, [
             'show_newsletter_opt_in' => $newsletterOptInVisible,
+            'show_companion_newsletter_opt_in' => $companionNewsletterOptInVisible,
             'newsletter_target_email' => $newsletterTargetEmail,
         ]);
         $form->handleRequest($request);
@@ -94,7 +96,7 @@ class Step4Controller extends AbstractBookingCreateController
                         $bookingResponse->message ?? 'Ein Fehler ist aufgetreten. Bitte versuchen es erneut.',
                     );
 
-                    return $this->renderStepForm($bookingCreateDto, $form, $newsletterOptInVisible, $newsletterTargetEmail);
+                    return $this->renderStepForm($bookingCreateDto, $form, $newsletterOptInVisible, $newsletterTargetEmail, $companionNewsletterOptInVisible);
                 }
 
                 if (false === $bookingResponse->isBookingSuccessful()) {
@@ -110,7 +112,7 @@ class Step4Controller extends AbstractBookingCreateController
                         $errorMessage,
                     );
 
-                    return $this->renderStepForm($bookingCreateDto, $form, $newsletterOptInVisible, $newsletterTargetEmail);
+                    return $this->renderStepForm($bookingCreateDto, $form, $newsletterOptInVisible, $newsletterTargetEmail, $companionNewsletterOptInVisible);
                 }
 
                 $newsletterOptInSelected = $newsletterOptInVisible
@@ -118,19 +120,21 @@ class Step4Controller extends AbstractBookingCreateController
                     && true === $form->get('newsletterOptIn')->getData();
 
                 if (true === $newsletterOptInSelected) {
-                    try {
+                    $this->bookingNewsletterOptIn->subscribeApplicant(
-                        $targetParticipant = $this->resolveNewsletterTargetParticipant($bookingCreateDto);
+                        $newsletterTargetEmail,
-                        $this->doubleOptInService->requestConfirmation(
+                        $this->bookingNewsletterOptIn->resolveApplicantParticipant($bookingCreateDto),
-                            $newsletterTargetEmail,
+                    );
-                            $targetParticipant?->firstName,
+                }
-                            $targetParticipant?->lastName,
+
-                        );
+                $companionOptInSelected = $companionNewsletterOptInVisible
-                    } catch (NewsletterProviderException|\InvalidArgumentException $e) {
+                    && $form->has('companionNewsletterOptIn')
-                        $this->logger->warning('Newsletter confirmation request failed after booking', [
+                    && true === $form->get('companionNewsletterOptIn')->getData();
-                            'email' => $newsletterTargetEmail,
+
-                            'error' => $e->getMessage(),
+                if (true === $companionOptInSelected) {
-                        ]);
+                    $this->bookingNewsletterOptIn->subscribeCompanions(
-                    }
+                        $companions,
+                        $this->bookingNewsletterOptIn->resolveRequestedByName($bookingCreateDto),
+                    );
                 }
 
                 // Success: Store booking data in flash for conversion tracking
@@ -171,7 +175,7 @@ class Step4Controller extends AbstractBookingCreateController
             }
         }
 
-        return $this->renderStepForm($bookingCreateDto, $form, $newsletterOptInVisible, $newsletterTargetEmail);
+        return $this->renderStepForm($bookingCreateDto, $form, $newsletterOptInVisible, $newsletterTargetEmail, $companionNewsletterOptInVisible);
     }
 
     /**
@@ -185,6 +189,7 @@ class Step4Controller extends AbstractBookingCreateController
         FormInterface $form,
         bool $newsletterOptInVisible,
         ?string $newsletterTargetEmail,
+        bool $companionNewsletterOptInVisible,
     ): Response {
         $bookingCreateContext = $this->createContextFactory->createWithParticipantPrices($bookingCreateDto);
 
@@ -193,45 +198,10 @@ class Step4Controller extends AbstractBookingCreateController
             'form' => $form,
             'newsletterOptInVisible' => $newsletterOptInVisible,
             'newsletterTargetEmail' => $newsletterTargetEmail,
+            'companionNewsletterOptInVisible' => $companionNewsletterOptInVisible,
         ]);
     }
 
-    private function resolveNewsletterTargetEmail(BookingDto $bookingDto): ?string
-    {
-        $currentUser = $this->getUser();
-        $email = null;
-
-        if ($currentUser instanceof User) {
-            $email = $currentUser->getEmail();
-        }
-
-        if ((null === $email || '' === trim((string) $email)) && isset($bookingDto->participants[0])) {
-            $email = $bookingDto->participants[0]->email;
-        }
-
-        if (null === $email) {
-            return null;
-        }
-
-        $normalizedEmail = mb_strtolower(trim($email));
-
-        return false !== filter_var($normalizedEmail, FILTER_VALIDATE_EMAIL) ? $normalizedEmail : null;
-    }
-
-    private function resolveNewsletterTargetParticipant(BookingDto $bookingDto): ?ParticipantDto
-    {
-        $participant = $bookingDto->participants[0] ?? null;
-        if (null === $participant) {
-            return null;
-        }
-
-        if (null === $participant->firstName && null === $participant->lastName) {
-            return null;
-        }
-
-        return $participant;
-    }
-
     /**
      * Clears travel data and availability cache after successful booking.
      */

src/Controller/Booking/Edit/IndexController.php

@@ -116,6 +116,14 @@ class IndexController extends AbstractController
             $this->addFlash('info', 'Dein zuvor gespeicherter Entwurf wurde wiederhergestellt.');
         }
 
+        $droppedDraftServiceLabels = $this->dataLoader->getDroppedDraftServiceLabels();
+        if ([] !== $droppedDraftServiceLabels) {
+            $this->addFlash('info', sprintf(
+                'Folgende Leistungen aus deinem gespeicherten Entwurf sind inzwischen ausgebucht oder nur auf Anfrage verfügbar und konnten nicht übernommen werden: %s. An deiner bestehenden Buchung ändert sich dadurch nichts. Bitte kontaktiere uns, wenn du sie trotzdem benötigst.',
+                implode(', ', $droppedDraftServiceLabels)
+            ));
+        }
+
         // Fetch booking data for display (surcharges, canceled status, etc.)
         $bookingData = $this->dataLoader->fetchBookingData($bookingId, $user);
         if (null === $bookingData || $bookingData instanceof Notification) {
@@ -185,6 +193,13 @@ class IndexController extends AbstractController
             $this->addFlash('info', 'Einige Änderungen wurden verworfen, da sie aktuell nicht mehr änderbar sind.');
         }
 
+        if ([] !== $result->unbookableServicesReverted) {
+            $this->addFlash('info', sprintf(
+                'Folgende Leistungen konnten nicht hinzugebucht werden, da sie inzwischen ausgebucht oder nur auf Anfrage verfügbar sind: %s. An deiner bestehenden Buchung ändert sich dadurch nichts. Bitte kontaktiere uns, wenn du sie trotzdem benötigst.',
+                implode(', ', $result->unbookableServicesReverted)
+            ));
+        }
+
         switch ($result->status) {
             case BookingEditSubmissionResult::STATUS_BOOKING_DATA_RELOAD_FAILED:
                 $this->addFlash('error', 'Buchungsdaten konnten vor dem Speichern nicht neu geladen werden');

src/Controller/Groups/Booking/Step2Controller.php

@@ -106,7 +106,7 @@ class Step2Controller extends AbstractController
         $selectedAdditionalServices = $this->resolveSelectedAdditionalServices($dto, $services['additionalServices']);
 
         $priceBreakdown = null;
-        if ($dto->dateFrom !== null && $dto->dateTo !== null) {
+        if (null !== $dto->dateFrom && null !== $dto->dateTo) {
             $priceBreakdown = $this->priceCalculator->calculate(
                 $dto->paxCount,
                 $dto->minorsCount,
@@ -168,7 +168,7 @@ class Step2Controller extends AbstractController
 
         return array_values(array_filter(
             $additionalServices,
-            fn(AdditionalService $s) => isset($selectedIds[$s->getId()]),
+            fn (AdditionalService $s) => isset($selectedIds[$s->getId()]),
         ));
     }
 

src/Controller/Groups/Booking/Step4Controller.php

@@ -8,6 +8,7 @@ use App\Entity\Groups\Accommodation;
 use App\Entity\Groups\AdditionalService;
 use App\Entity\Groups\BoardService;
 use App\Exception\AccommodationSessionNotFoundException;
+use App\Exception\ImplausibleBookingPriceException;
 use App\Form\AccommodationBookingConfirmationType;
 use App\Form\AccommodationInquiryConfirmationType;
 use App\Form\Model\AccommodationBookingDto;
@@ -16,6 +17,7 @@ use App\Model\AccommodationBookingContext;
 use App\Service\AccommodationBookingService;
 use App\Service\AccommodationSessionManager;
 use App\Service\AccommodationTermsUrlProvider;
+use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
@@ -28,6 +30,7 @@ class Step4Controller extends AbstractController
         private readonly AccommodationBookingService $bookingService,
         private readonly AccommodationSessionManager $sessionManager,
         private readonly AccommodationTermsUrlProvider $termsUrlProvider,
+        private readonly LoggerInterface $logger,
     ) {
     }
 
@@ -51,7 +54,9 @@ class Step4Controller extends AbstractController
             }
 
             $dto->forceInquiry = true;
-            $this->persistBooking($request, $dto, $accommodation, $services);
+            if (null !== $failure = $this->persistBooking($request, $dto, $accommodation, $services)) {
+                return $failure;
+            }
 
             return $this->redirectToRoute('app_groups_booking_success');
         }
@@ -102,7 +107,9 @@ class Step4Controller extends AbstractController
 
         if ($confirmationForm->isSubmitted() && $confirmationForm->isValid()) {
             $services = $this->bookingService->loadAvailableServices($dto, $accommodation);
-            $this->persistBooking($request, $dto, $accommodation, $services);
+            if (null !== $failure = $this->persistBooking($request, $dto, $accommodation, $services)) {
+                return $failure;
+            }
 
             return $this->htmxRedirect($request, $this->generateUrl('app_groups_booking_success'));
         }
@@ -148,12 +155,35 @@ class Step4Controller extends AbstractController
      *     groupedAdditionalServices: array<string, AdditionalService[]>,
      *     ungroupedAdditionalServices: AdditionalService[]
      * } $services
+     *
+     * @return Response|null a response to return instead of the success redirect, or null when
+     *                       the booking was stored
      */
-    private function persistBooking(Request $request, AccommodationBookingDto $dto, Accommodation $accommodation, array $services): void
+    private function persistBooking(Request $request, AccommodationBookingDto $dto, Accommodation $accommodation, array $services): ?Response
     {
         $prices = $this->bookingService->loadPrices($dto, $accommodation);
-        $booking = $this->bookingService->finalizeBooking($dto, $accommodation, $prices, $services);
+
+        try {
+            $booking = $this->bookingService->finalizeBooking($dto, $accommodation, $prices, $services);
+        } catch (ImplausibleBookingPriceException $e) {
+            // The bounded inputs are already rejected in step 2, so what is left is a mistyped
+            // catalog price for this house — nothing the customer can act on and nothing to show
+            // them an error page over. The session survives so the desk can pick the inquiry up
+            // by phone with the data still in hand.
+            $this->logger->error('Refused to store an implausible accommodation booking total', [
+                'exception' => $e,
+                'accommodation' => $accommodation->getCalendarCode(),
+                'paxCount' => $dto->paxCount,
+                'nights' => $dto->getNights(),
+            ]);
+            $this->addFlash('error', 'Die Anfrage konnte nicht abgeschlossen werden. Bitte wende dich direkt an uns — wir kümmern uns darum.');
+
+            return $this->htmxRedirect($request, $this->generateUrl('app_groups_booking_error'));
+        }
+
         $this->addFlash('groups_booking_result', $booking->getOrigin()->value);
         $this->sessionManager->clear($request);
+
+        return null;
     }
 }

src/Controller/Groups/Offer/AbstractController.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Groups\Offer;
+
+use App\Entity\Groups\AccommodationBooking;
+use App\Htmx\HxTrait;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController as SymfonyAbstractController;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+abstract class AbstractController extends SymfonyAbstractController
+{
+    use HxTrait;
+
+    /**
+     * A draft and an inquiry the office has not worked through yet are not ready to be
+     * shown, and a discarded booking must not be viewable any more — in all three cases
+     * the link behaves as if it had expired.
+     */
+    protected function isCustomerVisible(AccommodationBooking $booking): bool
+    {
+        return $booking->isCustomerAccessible() && !$booking->isRequested() && !$booking->isDiscarded();
+    }
+
+    /**
+     * Sends the browser to a full reload of the (non-modal) offer page — this is
+     * triggered from an htmx-loaded modal, so a plain render/redirect here would
+     * get appended as an inert HTML fragment instead of actually navigating.
+     */
+    protected function redirectToOfferPage(Request $request, string $uuid): Response
+    {
+        $url = $this->generateUrl('app_groups_offer_view', ['uuid' => $uuid]);
+
+        return $this->htmxRedirect($request, $url);
+    }
+}

src/Controller/Groups/Offer/ConfirmController.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Groups\Offer;
+
+use App\Form\Model\OfferAcceptDto;
+use App\Form\OfferAcceptConfirmationType;
+use App\Repository\Groups\AccommodationBookingRepository;
+use App\Service\AccommodationBookingLinkSigner;
+use App\Service\AccommodationBookingService;
+use App\Service\AccommodationTermsUrlProvider;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class ConfirmController extends AbstractController
+{
+    public function __construct(
+        private readonly AccommodationBookingRepository $bookingRepository,
+        private readonly AccommodationBookingLinkSigner $linkSigner,
+        private readonly AccommodationBookingService $bookingService,
+        private readonly AccommodationTermsUrlProvider $termsUrlProvider,
+    ) {
+    }
+
+    #[Route(path: '/groups/booking/offer/{uuid}/confirm', name: 'app_groups_offer_confirm', methods: ['GET', 'POST'])]
+    public function index(string $uuid, Request $request): Response
+    {
+        $booking = $this->bookingRepository->findOneBy(['uuid' => $uuid]);
+
+        if (null === $booking || false === $this->linkSigner->isSessionAuthorized($request, $booking)) {
+            return $this->redirectToOfferPage($request, $uuid);
+        }
+
+        // Offen is the one status that means an offer is out and awaiting acceptance, so it
+        // is the whole guard — mirroring acceptBooking(), which no-ops on anything else.
+        if (!$booking->isOpen()) {
+            return $this->redirectToOfferPage($request, $uuid);
+        }
+
+        // Checked for POST as well, so the modal cannot be submitted around the contact page.
+        if (!$this->bookingService->hasCompleteContactData($booking)) {
+            return $this->htmxRedirect($request, $this->generateUrl('app_groups_offer_contact', ['uuid' => $uuid]));
+        }
+
+        $dto = new OfferAcceptDto(remarks: $booking->getRemarks());
+        $confirmationForm = $this->createForm(OfferAcceptConfirmationType::class, $dto, [
+            'terms_url' => $this->termsUrlProvider->forAccommodation($booking->getAccommodation()),
+        ]);
+        $confirmationForm->handleRequest($request);
+
+        if ($confirmationForm->isSubmitted() && $confirmationForm->isValid()) {
+            // The textarea is prefilled, so the submitted value is the complete remark —
+            // an emptied field arrives as null and must clear the stored one, not keep it.
+            $this->bookingService->acceptBooking($booking, $dto->remarks ?? '');
+            $this->addFlash('success', 'Deine Buchung ist bei uns eingegangen. Sobald sie geprüft ist, erhältst du eine Bestätigung per E-Mail.');
+
+            return $this->redirectToOfferPage($request, $uuid);
+        }
+
+        return $this->render('groups/offer/modal_accept_confirmation.html.twig', [
+            'booking' => $booking,
+            'confirmationForm' => $confirmationForm,
+        ]);
+    }
+}

src/Controller/Groups/Offer/ContactController.php

@@ -0,0 +1,65 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Groups\Offer;
+
+use App\Form\AccommodationContactType;
+use App\Repository\Groups\AccommodationBookingRepository;
+use App\Service\AccommodationBookingLinkSigner;
+use App\Service\AccommodationBookingService;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class ContactController extends AbstractController
+{
+    public function __construct(
+        private readonly AccommodationBookingRepository $bookingRepository,
+        private readonly AccommodationBookingLinkSigner $linkSigner,
+        private readonly AccommodationBookingService $bookingService,
+    ) {
+    }
+
+    /**
+     * Full page rather than modal: the form is as large as step 3 of a self-service booking,
+     * whose fields and constraints it shares. Once saved, the customer is back on the offer
+     * and accepts it from there as usual.
+     */
+    #[Route(path: '/groups/booking/offer/{uuid}/contact', name: 'app_groups_offer_contact', methods: ['GET', 'POST'])]
+    public function index(string $uuid, Request $request): Response
+    {
+        $booking = $this->bookingRepository->findOneBy(['uuid' => $uuid]);
+
+        if (null === $booking || false === $this->linkSigner->isSessionAuthorized($request, $booking)) {
+            return $this->redirectToOfferPage($request, $uuid);
+        }
+
+        if (!$booking->isOpen()) {
+            return $this->redirectToOfferPage($request, $uuid);
+        }
+
+        $dto = $this->bookingService->contactDataFromBooking($booking);
+        $form = $this->createForm(AccommodationContactType::class, $dto, [
+            'email_readonly' => true,
+        ]);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $this->bookingService->applyContactData($booking, $dto);
+            $this->addFlash('success', 'Deine Kontaktdaten wurden gespeichert. Du kannst die Buchung jetzt abschließen.');
+
+            return $this->redirectToOfferPage($request, $uuid);
+        }
+
+        $accommodation = $booking->getAccommodation() ?? throw $this->createNotFoundException('Booking has no accommodation.');
+        $ctx = $this->bookingService->createOfferContext($booking, $accommodation);
+
+        return $this->render('groups/offer/contact.html.twig', [
+            'booking' => $booking,
+            'priceBreakdown' => $ctx->priceBreakdown,
+            'ctx' => $ctx,
+            'form' => $form,
+        ]);
+    }
+}

src/Controller/Groups/Offer/IndexController.php

@@ -4,17 +4,8 @@ declare(strict_types=1);
 
 namespace App\Controller\Groups\Offer;
 
-use App\Entity\Groups\AccommodationBooking;
-use App\Form\Model\OfferAcceptDto;
-use App\Form\OfferAcceptConfirmationType;
-use App\Htmx\HxTrait;
-use App\Model\AccommodationBookingContext;
 use App\Repository\Groups\AccommodationBookingRepository;
-use App\Service\AccommodationBookingBreakdownCalculator;
 use App\Service\AccommodationBookingLinkSigner;
-use App\Service\AccommodationBookingService;
-use App\Service\AccommodationTermsUrlProvider;
-use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -22,14 +13,9 @@ use Symfony\Component\Routing\Attribute\Route;
 
 class IndexController extends AbstractController
 {
-    use HxTrait;
-
     public function __construct(
         private readonly AccommodationBookingRepository $bookingRepository,
         private readonly AccommodationBookingLinkSigner $linkSigner,
-        private readonly AccommodationBookingBreakdownCalculator $breakdownCalculator,
-        private readonly AccommodationBookingService $bookingService,
-        private readonly AccommodationTermsUrlProvider $termsUrlProvider,
     ) {
     }
 
@@ -39,7 +25,7 @@ class IndexController extends AbstractController
      * (session-gated) offer page — nothing downstream needs the signature again.
      */
     #[Route(path: '/groups/booking/offer/{uuid}', name: 'app_groups_offer', methods: ['GET'])]
-    public function access(string $uuid, Request $request): Response
+    public function index(string $uuid, Request $request): Response
     {
         $booking = $this->bookingRepository->findOneBy(['uuid' => $uuid]);
 
@@ -55,91 +41,4 @@ class IndexController extends AbstractController
 
         return new RedirectResponse($this->generateUrl('app_groups_offer_view', ['uuid' => $uuid]));
     }
-
-    #[Route(path: '/groups/booking/offer/{uuid}/view', name: 'app_groups_offer_view', methods: ['GET'])]
-    public function view(string $uuid, Request $request): Response
-    {
-        $booking = $this->bookingRepository->findOneBy(['uuid' => $uuid]);
-
-        if (null === $booking || false === $this->linkSigner->isSessionAuthorized($request, $booking)) {
-            return $this->render('groups/offer/unavailable.html.twig');
-        }
-
-        if (!$this->isCustomerVisible($booking)) {
-            return $this->render('groups/offer/unavailable.html.twig');
-        }
-
-        $accommodation = $booking->getAccommodation() ?? throw $this->createNotFoundException('Booking has no accommodation.');
-        $priceBreakdown = $this->breakdownCalculator->compute($booking);
-
-        $ctx = new AccommodationBookingContext(
-            accommodation: $accommodation,
-            hotelCmsData: $this->bookingService->loadHotelCmsData($accommodation),
-            priceBreakdown: $priceBreakdown,
-        );
-
-        return $this->render('groups/offer/view.html.twig', [
-            'booking' => $booking,
-            'priceBreakdown' => $priceBreakdown,
-            'ctx' => $ctx,
-        ]);
-    }
-
-    #[Route(path: '/groups/booking/offer/{uuid}/confirm', name: 'app_groups_offer_confirm', methods: ['GET', 'POST'])]
-    public function confirm(string $uuid, Request $request): Response
-    {
-        $booking = $this->bookingRepository->findOneBy(['uuid' => $uuid]);
-
-        if (null === $booking || false === $this->linkSigner->isSessionAuthorized($request, $booking)) {
-            return $this->redirectToOfferPage($request, $uuid);
-        }
-
-        // Offen is the one status that means an offer is out and awaiting acceptance, so it
-        // is the whole guard — mirroring acceptBooking(), which no-ops on anything else.
-        if (!$booking->isOpen()) {
-            return $this->redirectToOfferPage($request, $uuid);
-        }
-
-        $dto = new OfferAcceptDto(remarks: $booking->getRemarks());
-        $confirmationForm = $this->createForm(OfferAcceptConfirmationType::class, $dto, [
-            'terms_url' => $this->termsUrlProvider->forAccommodation($booking->getAccommodation()),
-        ]);
-        $confirmationForm->handleRequest($request);
-
-        if ($confirmationForm->isSubmitted() && $confirmationForm->isValid()) {
-            // The textarea is prefilled, so the submitted value is the complete remark —
-            // an emptied field arrives as null and must clear the stored one, not keep it.
-            $this->bookingService->acceptBooking($booking, $dto->remarks ?? '');
-            $this->addFlash('success', 'Deine Buchung ist bei uns eingegangen. Sobald sie geprüft ist, erhältst du eine Bestätigung per E-Mail.');
-
-            return $this->redirectToOfferPage($request, $uuid);
-        }
-
-        return $this->render('groups/offer/modal_accept_confirmation.html.twig', [
-            'booking' => $booking,
-            'confirmationForm' => $confirmationForm,
-        ]);
-    }
-
-    /**
-     * A draft and an inquiry the office has not worked through yet are not ready to be
-     * shown, and a discarded booking must not be viewable any more — in all three cases
-     * the link behaves as if it had expired.
-     */
-    private function isCustomerVisible(AccommodationBooking $booking): bool
-    {
-        return $booking->isCustomerAccessible() && !$booking->isRequested() && !$booking->isDiscarded();
-    }
-
-    /**
-     * Sends the browser to a full reload of the (non-modal) offer page — this is
-     * triggered from an htmx-loaded modal, so a plain render/redirect here would
-     * get appended as an inert HTML fragment instead of actually navigating.
-     */
-    private function redirectToOfferPage(Request $request, string $uuid): Response
-    {
-        $url = $this->generateUrl('app_groups_offer_view', ['uuid' => $uuid]);
-
-        return $this->htmxRedirect($request, $url);
-    }
 }

src/Controller/Groups/Offer/ViewController.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller\Groups\Offer;
+
+use App\Repository\Groups\AccommodationBookingRepository;
+use App\Service\AccommodationBookingLinkSigner;
+use App\Service\AccommodationBookingService;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+
+class ViewController extends AbstractController
+{
+    public function __construct(
+        private readonly AccommodationBookingRepository $bookingRepository,
+        private readonly AccommodationBookingLinkSigner $linkSigner,
+        private readonly AccommodationBookingService $bookingService,
+    ) {
+    }
+
+    #[Route(path: '/groups/booking/offer/{uuid}/view', name: 'app_groups_offer_view', methods: ['GET'])]
+    public function index(string $uuid, Request $request): Response
+    {
+        $booking = $this->bookingRepository->findOneBy(['uuid' => $uuid]);
+
+        if (null === $booking || false === $this->linkSigner->isSessionAuthorized($request, $booking)) {
+            return $this->render('groups/offer/unavailable.html.twig');
+        }
+
+        if (!$this->isCustomerVisible($booking)) {
+            return $this->render('groups/offer/unavailable.html.twig');
+        }
+
+        $accommodation = $booking->getAccommodation() ?? throw $this->createNotFoundException('Booking has no accommodation.');
+        $ctx = $this->bookingService->createOfferContext($booking, $accommodation);
+
+        return $this->render('groups/offer/view.html.twig', [
+            'booking' => $booking,
+            'priceBreakdown' => $ctx->priceBreakdown,
+            'ctx' => $ctx,
+        ]);
+    }
+}

src/Controller/SecurityController.php

@@ -5,6 +5,7 @@ namespace App\Controller;
 use App\Form\Model\BookingDto;
 use App\Service\BookingSessionManager;
 use App\Service\BookingSummaryAssembler;
+use League\Bundle\OAuth2ServerBundle\Manager\ClientManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -21,13 +22,28 @@ class SecurityController extends AbstractController
         Request $request,
         BookingSessionManager $bookingSessionService,
         BookingSummaryAssembler $summaryDataService,
+        ClientManagerInterface $clientManager,
     ): Response {
+        // flag this request in the session as external OAuth2 request if
+        // applicable to immediately logout the current user after successful
+        // authentication (see App\EventListener\AuthorizationCodeListener).
+        // Read before the booking flow is decided, because it overrules it.
+        $session = $request->getSession();
+        $targetPath = $session->get('_security.main.target_path');
+        $isOauth2 = \is_string($targetPath) && str_contains($targetPath, '/authorize');
+        $session->set('_oauth2', $isOauth2);
+
         // Check if this is a booking flow (BookingDto exists in session)
         $bookingDto = $bookingSessionService->getBookingDto($request, BookingDto::MODE_CREATE);
-        $isBookingFlow = null !== $bookingDto;
+        $hasPendingBooking = null !== $bookingDto;
+
+        // A pending authorization wins over a half-finished booking. Otherwise the target path
+        // below is overwritten with booking step 1, the user is sent there after logging in, and
+        // the application that asked for the authorization never receives its code.
+        $isBookingFlow = $hasPendingBooking && false === $isOauth2;
 
         // If authenticated and in booking flow, proceed to Step 1
-        if (null !== $this->getUser() && true === $isBookingFlow) {
+        if (null !== $this->getUser() && true === $hasPendingBooking) {
             return $this->redirectToRoute('app_booking_create_step_1');
         }
 
@@ -39,21 +55,18 @@ class SecurityController extends AbstractController
         $error = $authenticationUtils->getLastAuthenticationError();
         $lastUsername = $authenticationUtils->getLastUsername();
 
-        // flag this request in the session as external OAuth2 request if
-        // applicable to immediately logout the current user after successful
-        // authentication (see App\EventListener\AuthorizationCodeListener).
-        $session = $request->getSession();
-        $targetPath = $session->get('_security.main.target_path');
-        $isOauth2 = null !== $targetPath && str_contains($targetPath, '/authorize');
-        $session->set('_oauth2', $isOauth2);
-
         // For booking flow, set target path to Step 1 (after successful auth, redirect there)
         if (true === $isBookingFlow) {
             $session->set('_security.main.target_path', $this->generateUrl('app_booking_create_step_1'));
         }
 
-        // Render booking login template if in booking flow, otherwise standard login
+        // Render booking login template if in booking flow, the self-explaining one when another
-        $template = true === $isBookingFlow ? 'booking/create/authenticate.html.twig' : 'security/login.html.twig';
+        // application sent them here to authorize it, otherwise standard login
+        $template = match (true) {
+            $isBookingFlow => 'booking/create/authenticate.html.twig',
+            $isOauth2 => 'security/login_oauth2.html.twig',
+            default => 'security/login.html.twig',
+        };
 
         // Fetch CMS data for booking flow (uses cache warmed in IndexController)
         $cmsData = null;
@@ -72,9 +85,37 @@ class SecurityController extends AbstractController
             'travel_date_to' => $bookingDto?->travel->dateTo,
             'cmsData' => $cmsData,
             'oauth2' => $isOauth2,
+            'client_name' => $isOauth2 ? $this->authorizingClientName($clientManager, $targetPath) : null,
         ]);
     }
 
+    /**
+     * The display name of the application that sent the user here to authorize it, so the login page
+     * can name it instead of leaving the user wondering why the site changed.
+     *
+     * Derived from the pending target path on every render rather than stashed on the session: a
+     * failed login redirects back to this route and the target path survives, so the name comes back
+     * with it. Returns null when the client cannot be resolved, and the page falls back to neutral
+     * wording rather than failing -- this runs before authentication.
+     */
+    private function authorizingClientName(ClientManagerInterface $clientManager, ?string $targetPath): ?string
+    {
+        $query = null !== $targetPath ? parse_url($targetPath, \PHP_URL_QUERY) : null;
+        if (!\is_string($query) || '' === $query) {
+            return null;
+        }
+
+        parse_str($query, $params);
+        $clientId = $params['client_id'] ?? null;
+        if (!\is_string($clientId) || '' === $clientId) {
+            return null;
+        }
+
+        $name = $clientManager->find($clientId)?->getName() ?? '';
+
+        return '' !== $name ? $name : null;
+    }
+
     #[Route('/logout', name: 'app_logout')]
     #[IsGranted('ROLE_USER')]
     public function logout(): void

src/Dashboard/Widget/PendingRoleApprovalsWidgetProvider.php

@@ -6,19 +6,20 @@ namespace App\Dashboard\Widget;
 
 use App\Dashboard\Contract\DashboardWidgetProviderInterface;
 use App\Entity\User;
-use App\Form\Model\Filter\AbstractListFilterDto;
 use App\Model\DashboardWidget;
 use App\Model\DashboardWidgetEntry;
 use App\Repository\UserRepository;
 use App\Security\Role;
+use App\Service\RoleApprovalUrlGenerator;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
 /**
  * The accounts waiting on an administrator to act.
  *
- * A nomination grants nothing until it is approved, and nothing else in the application
+ * A nomination grants nothing until it is approved. RoleNominationHandler emails the
- * announces that one is waiting — without this widget an administrator only finds out by
+ * administrators the moment one appears, but that fires once, on the login that produced it —
- * opening the user list.
+ * this widget is the standing list, and the only thing that still shows a nomination somebody
+ * has left sitting.
  */
 class PendingRoleApprovalsWidgetProvider implements DashboardWidgetProviderInterface
 {
@@ -27,6 +28,7 @@ class PendingRoleApprovalsWidgetProvider implements DashboardWidgetProviderInter
     public function __construct(
         private readonly UserRepository $userRepository,
         private readonly UrlGeneratorInterface $urlGenerator,
+        private readonly RoleApprovalUrlGenerator $approvalUrlGenerator,
     ) {
     }
 
@@ -46,7 +48,7 @@ class PendingRoleApprovalsWidgetProvider implements DashboardWidgetProviderInter
             'Offene Rollenfreigaben',
             array_map(fn (User $user): DashboardWidgetEntry => new DashboardWidgetEntry(
                 $this->label($user),
-                $this->approvalUrl($user),
+                $this->approvalUrlGenerator->forUser($user),
                 'user',
             ), $this->userRepository->findWithPendingRoles(self::LIMIT)),
             'Keine offenen Rollenfreigaben.',
@@ -65,20 +67,4 @@ class PendingRoleApprovalsWidgetProvider implements DashboardWidgetProviderInter
 
         return sprintf('%s: %s', $user->getDisplayName(), implode(', ', $nominated));
     }
-
-    /**
-     * The user list, filtered down to this account.
-     *
-     * Approving happens in a modal that app_admin_user_permissions renders as a bare fragment,
-     * so it cannot be linked to directly. The filtered list is one click away from it and shows
-     * the nomination badge on the way. The query string is flat because the list filter forms
-     * declare no block prefix.
-     */
-    private function approvalUrl(User $user): string
-    {
-        return $this->urlGenerator->generate('app_admin_user', [
-            AbstractListFilterDto::MARKER => 1,
-            'q' => $user->getEmail(),
-        ]);
-    }
 }

src/Dashboard/Widget/RecentLogEntriesWidgetProvider.php

@@ -37,7 +37,7 @@ class RecentLogEntriesWidgetProvider implements DashboardWidgetProviderInterface
 
     public function getRequiredRole(): string
     {
-        return Role::ADMIN;
+        return Role::CUSTOMER_EXPERT;
     }
 
     public function getPriority(): int

src/Dashboard/Widget/StuckBookingDraftsWidgetProvider.php

@@ -0,0 +1,89 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Dashboard\Widget;
+
+use App\Dashboard\Contract\DashboardWidgetProviderInterface;
+use App\Entity\BookingEditDraft;
+use App\Model\DashboardWidget;
+use App\Model\DashboardWidgetEntry;
+use App\Repository\BookingEditDraftRepository;
+use App\Security\Role;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+/**
+ * Customers whose changes cannot be saved.
+ *
+ * A draft is deleted as soon as an update succeeds, so one that has been around for days belongs to
+ * somebody BusPro keeps refusing — and nothing else tells anyone. One booking accumulated
+ * thirty-seven failed attempts across two months before it was noticed by accident; the customer
+ * had entered seventy-nine participants, none of which ever reached BusPro. The point of this card
+ * is that the next one gets noticed in the first week instead.
+ *
+ * Each entry links to the draft, since the age alone does not say what is going wrong.
+ */
+class StuckBookingDraftsWidgetProvider implements DashboardWidgetProviderInterface
+{
+    /**
+     * How long a draft must have survived to be worth reporting.
+     *
+     * Short enough to catch a customer inside their first week of trying, long enough that an edit
+     * somebody merely abandoned over a weekend does not fill the card.
+     */
+    private const MIN_AGE_DAYS = 7;
+
+    private const LIMIT = 10;
+
+    public function __construct(
+        private readonly BookingEditDraftRepository $draftRepository,
+        private readonly UrlGeneratorInterface $urlGenerator,
+    ) {
+    }
+
+    public function getRequiredRole(): string
+    {
+        return Role::CUSTOMER_EXPERT;
+    }
+
+    public function getPriority(): int
+    {
+        return 95;
+    }
+
+    public function build(): ?DashboardWidget
+    {
+        $drafts = $this->draftRepository->findStuck(self::MIN_AGE_DAYS, self::LIMIT);
+
+        return new DashboardWidget(
+            'Festhängende Buchungsänderungen',
+            array_map(fn (BookingEditDraft $draft): DashboardWidgetEntry => new DashboardWidgetEntry(
+                $this->label($draft),
+                $this->urlGenerator->generate('app_admin_bookingeditdraft_show', ['id' => $draft->getId()]),
+                'edit',
+            ), $drafts),
+            'Keine festhängenden Buchungsänderungen.',
+            $this->urlGenerator->generate('app_admin_bookingeditdraft'),
+            'Alle Buchungsentwürfe',
+        );
+    }
+
+    /**
+     * Names the booking, how long it has been stuck, and when the customer last tried.
+     *
+     * The gap between the two is what distinguishes an abandoned edit from somebody still trying
+     * every few days and getting nowhere.
+     */
+    private function label(BookingEditDraft $draft): string
+    {
+        $days = $draft->getCreatedAt()->diff(new \DateTimeImmutable())->days ?? 0;
+
+        return sprintf(
+            'Vorgang %s (%s) — seit %d Tagen, zuletzt %s',
+            $draft->getBookingNumber() ?? $draft->getBookingId(),
+            (string) $draft->getUser()->getEmail(),
+            $days,
+            $draft->getUpdatedAt()->format('d.m.Y'),
+        );
+    }
+}

src/Entity/Groups/AccommodationBooking.php

@@ -12,11 +12,13 @@ use App\Entity\User;
 use App\Enum\Groups\AccommodationBookingOrigin;
 use App\Enum\Groups\AccommodationBookingStatus;
 use App\Enum\Groups\AdditionalServiceType;
+use App\Exception\ImplausibleBookingPriceException;
 use App\Repository\Groups\AccommodationBookingRepository;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Uid\Uuid;
 use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Component\Validator\Context\ExecutionContextInterface;
 
 #[ORM\Entity(repositoryClass: AccommodationBookingRepository::class)]
 class AccommodationBooking implements BlameableEntityInterface, TimestampableEntityInterface
@@ -24,6 +26,24 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
     use BlameableEntity;
     use TimestampableEntity;
 
+    /**
+     * Plausibility ceilings for the two figures every price in the breakdown is multiplied by.
+     * Both sit above anything the group houses actually see — the largest booking on record is
+     * 150 people for 18 nights — and exist so that a mistyped year or pax count is answered with
+     * a form error rather than a price nobody meant.
+     */
+    public const int MAX_PAX = 250;
+    public const int MAX_NIGHTS = 30;
+
+    /**
+     * And the ceiling on the product of the two, in minor units: a million euros against a
+     * largest-ever booking of some 42,000. The inputs above cannot reach it, so what it catches
+     * is a mistyped catalog price, the one factor of the total that is not bounded per booking.
+     * Deliberately well inside what the INT column holds — the column's range is not a price
+     * limit, and a total that needs more room is a mistake rather than a wider column.
+     */
+    public const int MAX_TOTAL_PRICE = 100_000_000;
+
     #[ORM\Id]
     #[ORM\GeneratedValue]
     #[ORM\Column]
@@ -40,9 +60,11 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
     private ?\DateTimeImmutable $dateFrom = null;
 
     #[ORM\Column(type: Types::DATE_IMMUTABLE)]
+    #[Assert\GreaterThan(propertyPath: 'dateFrom', message: 'Das Abreisedatum muss nach dem Anreisedatum liegen.')]
     private ?\DateTimeImmutable $dateTo = null;
 
     #[ORM\Column]
+    #[Assert\Range(min: 0, max: self::MAX_PAX)]
     private int $paxCount = 0;
 
     #[ORM\Column]
@@ -68,6 +90,7 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
     #[ORM\Column(type: Types::JSON, nullable: true)]
     private ?array $priceBreakdown = null;
 
+    /** In minor units, like every other price here, and never above self::MAX_TOTAL_PRICE. */
     #[ORM\Column(nullable: true)]
     private ?int $totalPrice = null;
 
@@ -177,6 +200,34 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
         $this->uuid = Uuid::v4()->toRfc4122();
     }
 
+    /**
+     * A copy is a new record, not a second view of the original: it gets its own identity and
+     * its own access link token — sharing that token would put two records behind one customer
+     * link — and every mark the lifecycle left is wiped, so the copy starts as an Entwurf that
+     * has never been in front of a customer. The origin is rewritten too: however the original
+     * came about, the copy comes about as an offer the office prepared, which is what keeps the
+     * field truthful.
+     *
+     * The price snapshot, the service snapshots and all four discounts are deliberately carried
+     * over untouched. A copy is made to vary an offer that was already quoted, so it has to show
+     * the same numbers as the record it came from rather than a re-quote at today's catalog
+     * prices; saving it through the edit form recomputes it.
+     */
+    public function __clone()
+    {
+        $this->id = null;
+        $this->uuid = Uuid::v4()->toRfc4122();
+        $this->status = AccommodationBookingStatus::Draft;
+        $this->origin = AccommodationBookingOrigin::Offer;
+        $this->accessLinkIssuedAt = null;
+        $this->acceptedAt = null;
+        $this->confirmedAt = null;
+        $this->createdAt = null;
+        $this->updatedAt = null;
+        $this->createdBy = null;
+        $this->updatedBy = null;
+    }
+
     public function getId(): ?int
     {
         return $this->id;
@@ -232,6 +283,25 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
         return $this->dateFrom->diff($this->dateTo)->days;
     }
 
+    /**
+     * Reported on dateTo, the field a mistyped year is corrected in — a stay of 200 years is
+     * always the departure date being wrong, never the arrival.
+     */
+    #[Assert\Callback]
+    public function validateStayLength(ExecutionContextInterface $context): void
+    {
+        if (null === $this->dateFrom || null === $this->dateTo) {
+            return;
+        }
+
+        if ($this->getNights() > self::MAX_NIGHTS) {
+            $context->buildViolation('Der Aufenthalt darf höchstens {{ max }} Nächte umfassen — bitte Anreise und Abreise prüfen.')
+                ->setParameter('{{ max }}', (string) self::MAX_NIGHTS)
+                ->atPath('dateTo')
+                ->addViolation();
+        }
+    }
+
     public function getPaxCount(): int
     {
         return $this->paxCount;
@@ -336,9 +406,17 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
         return $this->priceBreakdown;
     }
 
-    /** @param array<string, mixed> $priceBreakdown */
+    /**
+     * @param array<string, mixed> $priceBreakdown
+     *
+     * @throws ImplausibleBookingPriceException if the total is too large to be a real price
+     */
     public function setPriceSnapshot(array $priceBreakdown, int $totalPrice, string $currency, int $version): self
     {
+        if ($totalPrice > self::MAX_TOTAL_PRICE) {
+            throw new ImplausibleBookingPriceException($totalPrice, $this->paxCount, $this->getNights());
+        }
+
         $this->priceBreakdown = $priceBreakdown;
         $this->totalPrice = $totalPrice;
         $this->pricingCurrency = $currency;

src/Entity/Groups/ContingentSyncState.php

@@ -11,8 +11,8 @@ use Doctrine\ORM\Mapping as ORM;
 /**
  * Bookkeeping for the scheduled contingent sync of a single accommodation.
  *
- * Holds the fingerprint of the stored contingent days, which is how the sync decides whether
+ * `changedAt` records when the sync last saw a day appear, vanish or switch status within the
- * anything actually changed, and `changedAt` records when it last did.
+ * horizon it had already reached; `horizonTo` is how far that reach extends.
  */
 #[ORM\Entity(repositoryClass: ContingentSyncStateRepository::class)]
 #[ORM\Table(name: 'contingent_sync_state')]
@@ -28,13 +28,7 @@ class ContingentSyncState
     private ?Accommodation $accommodation = null;
 
     /**
-     * sha256 over the stored contingent days, contingent status only.
+     * Last time the stored snapshot actually changed. Kept for operators, not exposed via the API.
-     */
-    #[ORM\Column(length: 64)]
-    private string $contentHash = '';
-
-    /**
-     * Last time the fingerprint actually changed. Kept for operators, not exposed via the API.
      */
     #[ORM\Column(type: Types::DATETIME_IMMUTABLE, nullable: true)]
     private ?\DateTimeImmutable $changedAt = null;
@@ -76,18 +70,6 @@ class ContingentSyncState
         return $this;
     }
 
-    public function getContentHash(): string
-    {
-        return $this->contentHash;
-    }
-
-    public function setContentHash(string $contentHash): self
-    {
-        $this->contentHash = $contentHash;
-
-        return $this;
-    }
-
     public function getChangedAt(): ?\DateTimeImmutable
     {
         return $this->changedAt;

src/Entity/OAuth2Client.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Entity;
+
+use Doctrine\ORM\Mapping as ORM;
+use League\Bundle\OAuth2ServerBundle\Model\AbstractClient;
+
+/**
+ * An OAuth2 client, extended with the roles an account must hold to authorize it.
+ *
+ * The bundle ships its own Client model and maps it for us. Replacing it (via
+ * league_oauth2_server.client.classname) is the supported way to add a column: the bundle
+ * maps AbstractClient as a mapped superclass and carries name, secret, redirectUris,
+ * grants, scopes, active and allowPlainTextPkce, then stops mapping its own Client, so
+ * this class only has to declare the table, the primary key and what it adds.
+ *
+ * Why the requirement lives here rather than in configuration: the alternative was a map
+ * in services.yaml keyed on the client identifier, and identifiers differ per environment,
+ * so that map would have needed an env var per client and would have drifted from the
+ * client table it describes. A column cannot drift from its own row.
+ *
+ * Nothing validates the contents. A misspelled role is not an error, it is a client that
+ * authorizes nobody, so AuthorizationCodeListener logs the requirement whenever it
+ * refuses — that is what makes the mistake visible without a database query.
+ */
+#[ORM\Entity]
+#[ORM\Table(name: 'oauth2_client')]
+class OAuth2Client extends AbstractClient
+{
+    /**
+     * Declared protected on AbstractClient and mapped by the bundle only for its own
+     * Client, so the custom class has to map it itself. The type restates the parent's
+     * contract, which redeclaring the property would otherwise widen.
+     *
+     * @var non-empty-string
+     */
+    #[ORM\Id]
+    #[ORM\Column(type: 'string', length: 32)]
+    protected string $identifier;
+
+    /**
+     * The roles that entitle an account to authorize this client. An empty list denies
+     * everyone: a row nobody has configured and a client that needs no roles are the same
+     * stored value, and of the two readings only "deny" is safe.
+     *
+     * @var list<string>
+     */
+    #[ORM\Column(type: 'json')]
+    private array $requiredRoles = [];
+
+    /**
+     * @return list<string>
+     */
+    public function getRequiredRoles(): array
+    {
+        return $this->requiredRoles;
+    }
+
+    /**
+     * @param list<string> $requiredRoles
+     */
+    public function setRequiredRoles(array $requiredRoles): self
+    {
+        $this->requiredRoles = $requiredRoles;
+
+        return $this;
+    }
+}

src/Entity/User.php

@@ -6,6 +6,7 @@ use App\Repository\UserRepository;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
+use Symfony\Component\Uid\Uuid;
 
 #[ORM\Entity(repositoryClass: UserRepository::class)]
 class User implements UserInterface, PasswordAuthenticatedUserInterface
@@ -15,6 +16,22 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     #[ORM\Column(type: 'integer')]
     private ?int $id = null;
 
+    /**
+     * The account's external identifier, exported as the OAuth2 `sub` claim.
+     *
+     * Separate from the primary key on purpose: `sub` is handed to other applications, which
+     * store it and match their own accounts on it, so it has to be stable, unique and free of
+     * anything the row's position in the table implies. The auto-increment id satisfied the
+     * first two and neither of the last: it disclosed how many accounts exist and made one
+     * account's identifier a guess away from the next.
+     *
+     * v4 rather than the framework's default v7 (see config/packages/uid.yaml): v7 embeds its
+     * creation timestamp and sorts, which is useful for a key and is exactly the leak this
+     * column exists to avoid. Matches Groups\AccommodationBooking::$uuid in shape and version.
+     */
+    #[ORM\Column(type: 'string', length: 36, unique: true)]
+    private string $uuid;
+
     #[ORM\Column(type: 'string', length: 180, unique: true)]
     private ?string $email;
 
@@ -54,6 +71,7 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     public function __construct(string $email)
     {
         $this->email = $email;
+        $this->uuid = Uuid::v4()->toRfc4122();
     }
 
     public function getId(): ?int
@@ -61,6 +79,11 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
         return $this->id;
     }
 
+    public function getUuid(): string
+    {
+        return $this->uuid;
+    }
+
     public function getEmail(): ?string
     {
         return $this->email;

src/Enum/Groups/PriceType.php

@@ -9,7 +9,7 @@ enum PriceType: string
 
     public function priority(): int
     {
-        return match($this) {
+        return match ($this) {
             self::OVERRIDE => 1,
             self::DISCOUNT => 2,
         };
@@ -17,7 +17,7 @@ enum PriceType: string
 
     public function label(): string
     {
-        return match($this) {
+        return match ($this) {
             self::OVERRIDE => 'Override',
             self::DISCOUNT => 'Rabatt',
         };

src/Enum/NewsletterOptInContext.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Enum;
+
+/**
+ * Who asked for a double opt-in mail — the recipient themselves, or the applicant of a
+ * booking they are travelling on. Only the wording of the confirmation mail depends on
+ * this: a third-party sign-up has to name who requested it and make clear that nothing
+ * is subscribed without the recipient's own click. Confirmation itself stays
+ * context-agnostic, so the value never has to be persisted.
+ */
+enum NewsletterOptInContext: string
+{
+    case Own = 'own';
+    case Companion = 'companion';
+
+    public function subject(): string
+    {
+        return match ($this) {
+            self::Own => 'Deine Anmeldung zum E&P Newsletter',
+            self::Companion => 'Möchtest du den E&P Newsletter erhalten?',
+        };
+    }
+
+    public function template(): string
+    {
+        return match ($this) {
+            self::Own => 'email/newsletter_opt_in.html.twig',
+            self::Companion => 'email/newsletter_opt_in_companion.html.twig',
+        };
+    }
+}

src/EventListener/AuthorizationCodeListener.php

@@ -4,7 +4,9 @@ declare(strict_types=1);
 
 namespace App\EventListener;
 
+use App\Entity\OAuth2Client;
 use App\Entity\User;
+use App\Security\Role;
 use League\Bundle\OAuth2ServerBundle\Event\AuthorizationRequestResolveEvent;
 use League\Bundle\OAuth2ServerBundle\OAuth2Events;
 use Psr\Log\LoggerInterface;
@@ -14,14 +16,21 @@ use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Twig\Environment;
 
 /**
  * Handles OAuth2 authorization code grant flow.
  *
- * Automatically approves authorization requests for authenticated users without
+ * Redirects anonymous users to login, then decides whether the account may authorize the
- * consent prompts. Redirects anonymous users to login. For external OAuth2
+ * client that asked. Consent is deliberately not part of that decision: every client is
- * requests (flagged via session), logs out the user after authorization to
+ * one of our own applications, so there is nothing for the user to weigh up. What the user
- * prevent session hijacking.
+ * cannot be asked, though, is whether they are entitled to the application at all, and
+ * that is what this listener answers — a client declares the roles it requires in
+ * OAuth2Client::$requiredRoles and an account holding none of them is refused here rather
+ * than handed a token the client will reject for reasons it cannot explain.
+ *
+ * For external OAuth2 requests (flagged via session), logs out the user after a successful
+ * authorization to prevent session hijacking.
  */
 #[AsEventListener(event: OAuth2Events::AUTHORIZATION_REQUEST_RESOLVE, method: 'onAuthorizationRequestResolve')]
 class AuthorizationCodeListener
@@ -31,6 +40,7 @@ class AuthorizationCodeListener
         private readonly RequestStack $requestStack,
         private readonly Security $security,
         private readonly LoggerInterface $authenticationLogger,
+        private readonly Environment $twig,
     ) {
     }
 
@@ -53,13 +63,81 @@ class AuthorizationCodeListener
             );
             $event->setResponse($response);
             $this->authenticationLogger->info('Authorization request without session');
-        } else {
+
-            $event->resolveAuthorization(AuthorizationRequestResolveEvent::AUTHORIZATION_APPROVED);
+            return;
-            // in case this authorization request has been flagged as external in login controller,
+        }
-            // immediately logout the current user (see App\Controller\Core\Security\LoginController).
+
-            if (true === $request->getSession()->get('_oauth2', false)) {
+        $client = $event->getClient();
-                $this->security->logout(false);
+
-            }
+        // the event is typed to the bundle's ClientInterface, which knows nothing about the
+        // column below: anything that is not our entity is a client we cannot have configured
+        if (false === $client instanceof OAuth2Client) {
+            $this->deny($event, $user, $client->getIdentifier(), [], 'unexpected client class');
+
+            return;
+        }
+
+        $required = $client->getRequiredRoles();
+
+        // An empty requirement is not "no requirement": it is the state a client row starts
+        // in, so it means nobody has said who may use this client yet.
+        if ([] === $required) {
+            $this->deny($event, $user, $client->getName(), $required, 'client has no roles configured');
+
+            return;
+        }
+
+        // effectiveOnly(), never getRoles(): a *_PENDING marker is a CRM nomination that
+        // grants nothing until an administrator approves it, and matching the raw role set
+        // would let a nomination open a staff application on its own.
+        if ([] === array_intersect($required, Role::effectiveOnly($user->getRoles()))) {
+            $this->deny($event, $user, $client->getName(), $required, 'insufficient roles');
+
+            return;
+        }
+
+        $event->resolveAuthorization(AuthorizationRequestResolveEvent::AUTHORIZATION_APPROVED);
+
+        // in case this authorization request has been flagged as external in login controller,
+        // immediately logout the current user (see App\Controller\SecurityController).
+        if (true === $request->getSession()->get('_oauth2', false)) {
+            $this->security->logout(false);
         }
     }
+
+    /**
+     * Refuses the request and explains it on our own page.
+     *
+     * The resolution is left at its AUTHORIZATION_DENIED default; setting a response is what
+     * keeps the user here instead of bouncing them back to a client that would only be able
+     * to report that no authorization code arrived. The session is deliberately left intact
+     * — the user has to still be signed in to read the page and navigate away from it.
+     *
+     * Logged with the client's requirement but never with the user's roles: the requirement
+     * is configuration, and it is what makes a misspelled entry diagnosable from the log,
+     * while the account's roles are personal data and the auth channel is database-backed.
+     *
+     * @param list<string> $required
+     */
+    private function deny(
+        AuthorizationRequestResolveEvent $event,
+        User $user,
+        string $client,
+        array $required,
+        string $reason,
+    ): void {
+        $this->authenticationLogger->info('Authorization request denied', [
+            'client' => $client,
+            'user_id' => $user->getId(),
+            'required_roles' => $required,
+            'reason' => $reason,
+        ]);
+
+        $event->setResponse(new Response(
+            // oauth2: true drops hx-boost in base.html.twig -- this page is rendered
+            // mid-redirect-chain, where boosting breaks the navigation
+            $this->twig->render('security/oauth2_denied.html.twig', ['client' => $client, 'oauth2' => true]),
+            Response::HTTP_FORBIDDEN
+        ));
+    }
 }

src/Exception/ImplausibleBookingPriceException.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+use App\Entity\Groups\AccommodationBooking;
+
+/**
+ * Thrown when a computed accommodation booking total is too large to be a real price.
+ *
+ * The total is a product of pax count, nights and catalog prices, so a single mistyped figure
+ * anywhere in that chain can produce a number nobody could owe. Storing it is pointless — it
+ * would go out on an offer — and a signed INT column answers it with SQLSTATE 22003, which says
+ * nothing about where the mistake is. Failing here instead names the price and the inputs it
+ * came from.
+ */
+class ImplausibleBookingPriceException extends \RuntimeException
+{
+    /**
+     * What the backoffice is told. The total itself is in the log; the actionable part is the
+     * house's price rows, which is where the stray digit is.
+     */
+    public const string FORM_ERROR_MESSAGE = 'Der berechnete Gesamtpreis ist unplausibel hoch. Bitte die Preise und Leistungen des Gruppenhauses prüfen.';
+
+    public function __construct(int $totalPrice, int $paxCount, int $nights, ?\Throwable $previous = null)
+    {
+        parent::__construct(
+            sprintf(
+                'Refusing to store an implausible booking total of %d (ceiling %d, in minor units) for %d people over %d nights — check the catalog prices for this house.',
+                $totalPrice,
+                AccommodationBooking::MAX_TOTAL_PRICE,
+                $paxCount,
+                $nights,
+            ),
+            0,
+            $previous,
+        );
+    }
+}

src/Form/AccommodationContactType.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use App\Form\Model\AccommodationBookingDto;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\Form\Extension\Core\Type\EmailType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+/**
+ * The contact data of a group booking — shared by step 3 of the self-service flow and by
+ * the page that completes an office-made offer before it can be accepted, so both ask
+ * for the same fields under the same constraints.
+ *
+ * @extends AbstractType<AccommodationBookingDto>
+ */
+class AccommodationContactType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('groupName', TextType::class, [
+                'label' => 'Name der Gruppe',
+            ])
+            ->add('salutation', ChoiceType::class, [
+                'label' => 'Anrede',
+                'choices' => [
+                    'Herr' => 'Herr',
+                    'Frau' => 'Frau',
+                    'divers' => 'divers',
+                ],
+                'expanded' => false,
+                'multiple' => false,
+                'placeholder' => 'Bitte wählen',
+            ])
+            ->add('firstName', TextType::class, [
+                'label' => 'Vorname',
+            ])
+            ->add('lastName', TextType::class, [
+                'label' => 'Nachname',
+            ])
+            ->add('email', EmailType::class, [
+                'label' => 'E-Mail-Adresse',
+                // An offer's access link and every notification already go to this address.
+                'disabled' => $options['email_readonly'],
+            ])
+            ->add('phone', TextType::class, [
+                'label' => 'Telefon',
+            ])
+            ->add('street', TextType::class, [
+                'label' => 'Straße und Hausnummer',
+            ])
+            ->add('zip', TextType::class, [
+                'label' => 'Postleitzahl',
+            ])
+            ->add('city', TextType::class, [
+                'label' => 'Ort',
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => AccommodationBookingDto::class,
+            'validation_groups' => ['contact'],
+            'email_readonly' => false,
+        ]);
+        $resolver->setAllowedTypes('email_readonly', 'bool');
+    }
+}

src/Form/AccommodationStep2Type.php

@@ -10,9 +10,9 @@ use App\Service\AdditionalServiceExclusionResolver;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\IntegerType;
+use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
-use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
@@ -96,6 +96,6 @@ class AccommodationStep2Type extends AbstractType
             'max_adolescent_age' => 0,
         ]);
         $resolver->setAllowedTypes('max_adolescent_age', 'int');
-        $resolver->setAllowedTypes('additional_services', AdditionalService::class . '[]');
+        $resolver->setAllowedTypes('additional_services', AdditionalService::class.'[]');
     }
 }

src/Form/AccommodationStep3Type.php

@@ -6,10 +6,7 @@ namespace App\Form;
 
 use App\Form\Model\AccommodationBookingDto;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
-use Symfony\Component\Form\Extension\Core\Type\EmailType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
-use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
@@ -21,41 +18,6 @@ class AccommodationStep3Type extends AbstractType
     public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder
-            ->add('groupName', TextType::class, [
-                'label' => 'Name der Gruppe',
-            ])
-            ->add('salutation', ChoiceType::class, [
-                'label' => 'Anrede',
-                'choices' => [
-                    'Herr' => 'Herr',
-                    'Frau' => 'Frau',
-                    'divers' => 'divers',
-                ],
-                'expanded' => false,
-                'multiple' => false,
-                'placeholder' => 'Bitte wählen',
-            ])
-            ->add('firstName', TextType::class, [
-                'label' => 'Vorname',
-            ])
-            ->add('lastName', TextType::class, [
-                'label' => 'Nachname',
-            ])
-            ->add('email', EmailType::class, [
-                'label' => 'E-Mail-Adresse',
-            ])
-            ->add('phone', TextType::class, [
-                'label' => 'Telefon',
-            ])
-            ->add('street', TextType::class, [
-                'label' => 'Straße und Hausnummer',
-            ])
-            ->add('zip', TextType::class, [
-                'label' => 'Postleitzahl',
-            ])
-            ->add('city', TextType::class, [
-                'label' => 'Ort',
-            ])
             ->add('remarks', TextareaType::class, [
                 'label' => false,
                 'required' => false,
@@ -71,4 +33,9 @@ class AccommodationStep3Type extends AbstractType
             'validation_groups' => ['step_3'],
         ]);
     }
+
+    public function getParent(): string
+    {
+        return AccommodationContactType::class;
+    }
 }

src/Form/Admin/Groups/AccommodationPriceType.php

@@ -37,12 +37,12 @@ class AccommodationPriceType extends AbstractType
                 'class' => PriceType::class,
                 'required' => false,
                 'placeholder' => 'Standard',
-                'choice_label' => fn($item) => $item->label(),
+                'choice_label' => fn ($item) => $item->label(),
             ])
             ->add('season', EnumType::class, [
                 'label' => 'Saison',
                 'class' => Season::class,
-                'choice_label' => fn($item) => $item->token(),
+                'choice_label' => fn ($item) => $item->token(),
             ])
             ->add('includedPax', IntegerType::class, [
                 'label' => 'Inklusiv-Personen',

src/Form/Admin/Groups/AdditionalServiceType.php

@@ -35,7 +35,7 @@ class AdditionalServiceType extends AbstractType
             ->add('type', EnumType::class, [
                 'label' => 'Preistyp',
                 'class' => AdditionalServiceTypeEnum::class,
-                'choice_label' => fn($item) => $item->label(),
+                'choice_label' => fn ($item) => $item->label(),
             ])
             ->add('price', MoneyType::class, [
                 'label' => 'Preis',

src/Form/BookingCreateStep4Type.php

@@ -44,6 +44,17 @@ class BookingCreateStep4Type extends AbstractType
             ]);
         }
 
+        if (true === $options['show_companion_newsletter_opt_in']) {
+            // Deliberately no companion addresses in the label: the applicant already knows them,
+            // and rendering them would put other people's addresses on a shared screen.
+            $builder->add('companionNewsletterOptIn', CheckboxType::class, [
+                'label' => 'Ich möchte auch meine Mitfahrer:innen für den E&P Newsletter anmelden.',
+                'help' => 'Alle erhalten eine eigene Bestätigungs-E-Mail und werden erst nach ihrer eigenen Bestätigung angemeldet.',
+                'mapped' => false,
+                'required' => false,
+            ]);
+        }
+
         $builder
             ->add('confirmationAccepted', CheckboxType::class, [
                 'label' => 'Ich bestätige, dass alle Angaben korrekt sind und möchte verbindlich buchen.',
@@ -72,10 +83,12 @@ class BookingCreateStep4Type extends AbstractType
         $resolver->setDefaults([
             'data_class' => BookingDto::class,
             'show_newsletter_opt_in' => false,
+            'show_companion_newsletter_opt_in' => false,
             'newsletter_target_email' => null,
         ]);
 
         $resolver->setAllowedTypes('show_newsletter_opt_in', 'bool');
+        $resolver->setAllowedTypes('show_companion_newsletter_opt_in', 'bool');
         $resolver->setAllowedTypes('newsletter_target_email', ['null', 'string']);
     }
 }

src/Form/Model/AccommodationBookingDto.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Form\Model;
 
+use App\Entity\Groups\AccommodationBooking;
 use Symfony\Component\Validator\Constraints as Assert;
 
 class AccommodationBookingDto
@@ -16,19 +17,22 @@ class AccommodationBookingDto
 
     public ?\DateTimeImmutable $dateTo = null;
 
-    #[Assert\Positive(message: 'invalid', groups: ['step_3'])]
+    // step_2 is where the customer types these, so that is the group that has to carry the
+    // bounds: the price is computed from them on the same screen, and an implausible figure
+    // reaching step 4 only surfaces as a failure to store the booking.
+    #[Assert\Range(min: 1, max: AccommodationBooking::MAX_PAX, notInRangeMessage: 'invalid', groups: ['step_2', 'step_3'])]
     public int $paxCount = 1;
 
-    #[Assert\PositiveOrZero(message: 'invalid', groups: ['step_3'])]
+    #[Assert\Range(min: 0, max: AccommodationBooking::MAX_PAX, notInRangeMessage: 'invalid', groups: ['step_2', 'step_3'])]
     public int $minorsCount = 0;
 
-    #[Assert\PositiveOrZero(message: 'invalid', groups: ['step_3'])]
+    #[Assert\Range(min: 0, max: AccommodationBooking::MAX_PAX, notInRangeMessage: 'invalid', groups: ['step_2', 'step_3'])]
     public int $childrenCount = 0;
 
     #[Assert\NotNull(message: 'required', groups: ['step_2'])]
     public ?int $selectedBoardServiceId = null;
 
-    /** @var list<int>*/
+    /** @var list<int> */
     public array $selectedAdditionalServiceIds = [];
 
     public bool $isInquiry = false;
@@ -43,33 +47,35 @@ class AccommodationBookingDto
     /** @var array<string, mixed> */
     public array $priceBreakdown = [];
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    // `contact` is the subset an office-made offer is checked against before the customer
+    // may accept it — the same constraints the customer meets in step 3 of a self-service booking.
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $groupName = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
-    #[Assert\Choice(choices: ['Herr', 'Frau', 'divers'], groups: ['step_3'])]
+    #[Assert\Choice(choices: ['Herr', 'Frau', 'divers'], groups: ['step_3', 'contact'])]
     public ?string $salutation = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $firstName = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $lastName = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
-    #[Assert\Email(message: 'invalid', groups: ['step_3'])]
+    #[Assert\Email(message: 'invalid', groups: ['step_3', 'contact'])]
     public ?string $email = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $phone = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $street = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $zip = null;
 
-    #[Assert\NotBlank(message: 'required', groups: ['step_3'])]
+    #[Assert\NotBlank(message: 'required', groups: ['step_3', 'contact'])]
     public ?string $city = null;
 
     public ?string $remarks = null;

src/Form/Model/BookingEditContext.php

@@ -13,7 +13,7 @@ class BookingEditContext
 {
     /**
      * @param array<int, ParticipantCardDataDto>|null $cardsData
-     * @param array<int, list<string>> $missingValueLabelsByParticipantIndex
+     * @param array<int, list<string>>                $missingValueLabelsByParticipantIndex
      */
     public function __construct(
         public readonly BookingDto $bookingDto,

src/Form/Model/ParticipantEditDto.php

@@ -7,6 +7,7 @@ namespace App\Form\Model;
 use App\Validator\Constraints as AppAssert;
 use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Validator\Context\ExecutionContextInterface;
+
 use function Symfony\Component\String\u;
 
 /**

src/Form/Service/ParticipantFieldOptionsProvider.php

@@ -154,10 +154,10 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                         $attributes['data-description'] = $service->description;
                     }
 
-                    // Make readonly if service is unavailable (intelligently handles edit mode)
+                    // Make readonly if the service is not bookable for this participant
-                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'courses')) {
+                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -213,9 +213,9 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                     }
 
                     // Make readonly if service is unavailable (only if not already mandatory)
-                    if (false === $service->mandatory && $this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'additionalServices')) {
+                    if (false === $service->mandatory && $this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -270,9 +270,9 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
 
                     // Make readonly if service is unavailable (only if not already mandatory)
                     if (false === $service->mandatory
-                        && $this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'board')) {
+                        && $this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -330,10 +330,10 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                         return $attributes;
                     }
 
-                    // Make readonly if service is unavailable (intelligently handles edit mode)
+                    // Make readonly if the service is not bookable for this participant
-                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'veg')) {
+                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -392,9 +392,9 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
 
                     // Make readonly if service is unavailable (only if not already mandatory)
                     if (false === $service->mandatory
-                        && $this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'rentals')) {
+                        && $this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -527,10 +527,10 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                         $attributes['data-description'] = $service->description;
                     }
 
-                    // Make readonly if service is unavailable (intelligently handles edit mode)
+                    // Make readonly if the service is not bookable for this participant
-                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'transportationOutbound')) {
+                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -567,10 +567,10 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                         $attributes['data-description'] = $service->description;
                     }
 
-                    // Make readonly if service is unavailable (intelligently handles edit mode)
+                    // Make readonly if the service is not bookable for this participant
-                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex, 'transportationInbound')) {
+                    if ($this->shouldMakeServiceReadonly($service, $bookingDto, $participantIndex)) {
                         $attributes['readonly'] = true;
-                        $attributes['data-tooltip'] = 'ausgebucht';
+                        $attributes['data-tooltip'] = $this->getUnavailabilityTooltip($service, $bookingDto);
                     }
 
                     return $attributes;
@@ -661,9 +661,9 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
                 $fieldOptions['attr']['data-description'] = $parkingService->description;
             }
 
-            if ($this->shouldMakeServiceReadonly($parkingService, $bookingDto, $participantIndex, 'parking')) {
+            if ($this->shouldMakeServiceReadonly($parkingService, $bookingDto, $participantIndex)) {
                 $fieldOptions['attr']['readonly'] = true;
-                $fieldOptions['attr']['data-tooltip'] = 'ausgebucht';
+                $fieldOptions['attr']['data-tooltip'] = $this->getUnavailabilityTooltip($parkingService, $bookingDto);
             }
 
             return $fieldOptions;
@@ -863,66 +863,25 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
      */
     private function isServiceUnavailableForParticipant(Service $service, BookingDto $bookingDto, int $participantIndex): bool
     {
-        if (BookingDto::MODE_EDIT === $bookingDto->getMode()) {
-            // For non-create workflows, don't apply availability restrictions
-            return false;
-        }
-
         return $this->serviceAvailabilityCalculator->isServiceUnavailable($service->id, $bookingDto, $participantIndex);
     }
 
     /**
      * Determines if a service should be rendered as read-only.
      *
-     * This method intelligently handles readonly state for services in both create and edit modes:
+     * Both modes share one rule set. The already-held carve-out inside
-     *
+     * ServiceAvailabilityCalculator::isServiceUnavailable() is what lets a participant keep a
-     * - CREATE MODE: Uses existing availability calculator logic
+     * service that is now sold out or on request, so no mode-specific branch is needed here.
-     * - EDIT MODE: Services unavailable (available <= 0) are readonly ONLY if participant doesn't already have them
-     *
-     * This prevents fingerprint false positives in edit mode by allowing participants to keep
-     * services they already have, even if those services are now fully booked.
      *
      * @param Service    $service          The service to check
      * @param BookingDto $bookingDto       The booking DTO containing participant data
      * @param int        $participantIndex Index of the participant currently selecting services
-     * @param string     $fieldName        Name of the service field (e.g., 'courses', 'board', 'rentals')
      *
      * @return bool True if the service should be read-only
      */
-    private function shouldMakeServiceReadonly(Service $service, BookingDto $bookingDto, int $participantIndex, string $fieldName): bool
+    private function shouldMakeServiceReadonly(Service $service, BookingDto $bookingDto, int $participantIndex): bool
     {
-        // In CREATE mode, use existing availability logic
+        return $this->isServiceUnavailableForParticipant($service, $bookingDto, $participantIndex);
-        if (BookingDto::MODE_CREATE === $bookingDto->getMode()) {
-            return $this->isServiceUnavailableForParticipant($service, $bookingDto, $participantIndex);
-        }
-
-        // In EDIT mode, apply intelligent readonly logic
-        // If service is available (available > 0), it's never readonly
-        if (null !== $service->available && $service->available > 0) {
-            return false;
-        }
-
-        // Service is unavailable - check if participant already has it
-        $participant = $bookingDto->getParticipant($participantIndex);
-        if (null === $participant) {
-            return true; // Readonly if no participant data
-        }
-
-        // Check if participant has this service based on field type
-        $participantHasService = match ($fieldName) {
-            'courses' => $this->hasServiceById($participant->courses, $service->id),
-            'additionalServices' => $this->hasServiceById($participant->additionalServices, $service->id),
-            'board' => $this->hasServiceById($participant->board, $service->id),
-            'veg' => $participant->veg?->id === $service->id,
-            'rentals' => $this->hasServiceById($participant->rentals, $service->id),
-            'skiPass' => $participant->skiPass?->id === $service->id,
-            'transportationOutbound' => $participant->transportationOutbound?->id === $service->id,
-            'transportationInbound' => $participant->transportationInbound?->id === $service->id,
-            default => false,
-        };
-
-        // Make readonly only if participant doesn't have it
-        return false === $participantHasService;
     }
 
     /**
@@ -944,6 +903,23 @@ class ParticipantFieldOptionsProvider extends AbstractFieldOptionsProvider
         return false;
     }
 
+    /**
+     * Returns the tooltip explaining why a service is rendered read-only.
+     *
+     * Only called for a service that is already known to be blocked, so the status alone
+     * identifies the reason. Create keeps the pre-existing wording, since the on-request rule
+     * never fires there.
+     */
+    private function getUnavailabilityTooltip(Service $service, BookingDto $bookingDto): string
+    {
+        if (BookingDto::MODE_EDIT === $bookingDto->getMode()
+            && Constants::STATUS_ON_REQUEST === $service->status) {
+            return 'Diese Leistung ist derzeit nur auf Anfrage buchbar. Bitte kontaktiere uns.';
+        }
+
+        return 'ausgebucht';
+    }
+
     /**
      * Filters services based on participant's age constraints.
      *

src/Form/Service/ParticipantTransportationDiscountReplacementFieldHandler.php

@@ -199,7 +199,7 @@ class ParticipantTransportationDiscountReplacementFieldHandler extends AbstractP
             $services[$oldService->id]->mapping = array_values(
                 array_filter(
                     $services[$oldService->id]->mapping,
-                    fn(int $idx): bool => $idx !== $participantIndex,
+                    fn (int $idx): bool => $idx !== $participantIndex,
                 )
             );
         }

src/Menu/AbstractMenuBuilder.php

@@ -2,6 +2,7 @@
 
 namespace App\Menu;
 
+use App\Security\Voter\AdministrativeAccessVoter;
 use Knp\Menu\FactoryInterface;
 use Knp\Menu\ItemInterface;
 use Symfony\Bundle\SecurityBundle\Security;
@@ -39,7 +40,7 @@ abstract class AbstractMenuBuilder
 
     protected function addAdminItem(ItemInterface $menu): void
     {
-        if ($this->security->isGranted('ROLE_ADMIN')) {
+        if ($this->security->isGranted(AdministrativeAccessVoter::ADMINISTRATIVE_ACCESS)) {
             $this->addDivider($menu);
             $menu->addChild('zum Adminbereich', [
                 'route' => 'app_admin_index',

src/Menu/AdminMenuBuilder.php

@@ -22,16 +22,18 @@ class AdminMenuBuilder extends AbstractMenuBuilder
                 'icon' => 'chart',
             ],
         ]);
-        $menu->addChild('Buchungsentwürfe', [
+        if ($this->security->isGranted('ROLE_CUSTOMER_EXPERT')) {
-            'route' => 'app_admin_bookingeditdraft',
+            $menu->addChild('Buchungsentwürfe', [
-            'linkAttributes' => [
+                'route' => 'app_admin_bookingeditdraft',
-                'title' => 'Buchungsentwürfe',
+                'linkAttributes' => [
-            ],
+                    'title' => 'Buchungsentwürfe',
-            'extras' => [
+                ],
-                'icon' => 'edit',
+                'extras' => [
-                'routes' => [['pattern' => '/^app_admin_bookingeditdraft/']],
+                    'icon' => 'edit',
-            ],
+                    'routes' => [['pattern' => '/^app_admin_bookingeditdraft/']],
-        ]);
+                ],
+            ]);
+        }
 
         if ($this->security->isGranted('ROLE_GROUPS_ADMIN')) {
             $menu->addChild('Gruppenbuchungen', [
@@ -56,25 +58,29 @@ class AdminMenuBuilder extends AbstractMenuBuilder
             ]);
         }
 
-        $menu->addChild('Benutzer', [
+        if ($this->security->isGranted('ROLE_ADMIN')) {
-            'route' => 'app_admin_user',
+            $menu->addChild('Benutzer', [
-            'linkAttributes' => [
+                'route' => 'app_admin_user',
-                'title' => 'Benutzer',
+                'linkAttributes' => [
-            ],
+                    'title' => 'Benutzer',
-            'extras' => [
+                ],
-                'icon' => 'users',
+                'extras' => [
-            ],
+                    'icon' => 'users',
-        ]);
+                ],
-        $menu->addChild('Logs', [
+            ]);
-            'route' => 'app_admin_log',
+        }
-            'linkAttributes' => [
+        if ($this->security->isGranted('ROLE_CUSTOMER_EXPERT')) {
-                'title' => 'Logs',
+            $menu->addChild('Logs', [
-            ],
+                'route' => 'app_admin_log',
-            'extras' => [
+                'linkAttributes' => [
-                'icon' => 'list',
+                    'title' => 'Logs',
-                'routes' => [['pattern' => '/^app_admin_log/']],
+                ],
-            ],
+                'extras' => [
-        ]);
+                    'icon' => 'list',
+                    'routes' => [['pattern' => '/^app_admin_log/']],
+                ],
+            ]);
+        }
 
         $this->addLogoutItem($menu);
 

src/Message/RoleNominationMessage.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Message;
+
+/**
+ * Dispatched when the BusPro CRM newly nominates an account for one or more administrative roles,
+ * so that the administrators who can approve it are told there is something waiting in
+ * /admin/user.
+ *
+ * Carries the ids only, never the User: the handler runs in a separate process, where a
+ * serialized entity would be stale by the time it is read.
+ */
+final class RoleNominationMessage
+{
+    /**
+     * @param string[] $roles the nominated roles themselves, not their _PENDING markers
+     */
+    public function __construct(
+        public readonly int $userId,
+        public readonly array $roles,
+    ) {
+    }
+}

src/MessageHandler/RoleNominationHandler.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\MessageHandler;
+
+use App\Email\Mailer;
+use App\Message\RoleNominationMessage;
+use App\Repository\UserRepository;
+use App\Security\Role;
+use App\Service\RoleApprovalUrlGenerator;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\Messenger\Attribute\AsMessageHandler;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+/**
+ * Tells the configured recipients that an account is waiting for a role to be approved.
+ *
+ * Runs off the request: mail is routed sync in this application, so sending it inline would put
+ * SMTP latency and SMTP failures into the login path.
+ */
+#[AsMessageHandler]
+final class RoleNominationHandler
+{
+    /**
+     * @param string[] $notificationRecipients
+     */
+    public function __construct(
+        private readonly UserRepository $userRepository,
+        private readonly Mailer $mailer,
+        private readonly RoleApprovalUrlGenerator $approvalUrlGenerator,
+        private readonly LoggerInterface $authLogger,
+        private readonly array $notificationRecipients,
+    ) {
+    }
+
+    public function __invoke(RoleNominationMessage $message): void
+    {
+        $user = $this->userRepository->find($message->userId);
+
+        if (null === $user) {
+            // The account is gone — a retry cannot bring it back.
+            $this->authLogger->warning('Nominated user not found, skipping the role nomination email', [
+                'userId' => $message->userId,
+            ]);
+
+            return;
+        }
+
+        $recipients = $this->notificationRecipients;
+
+        if ([] === $recipients) {
+            return;
+        }
+
+        $labels = Role::labels();
+
+        $this->mailer->createAndSendEmail(
+            [
+                'user' => $user,
+                'roles' => array_values(array_map(
+                    static fn (string $role): string => $labels[$role] ?? $role,
+                    $message->roles,
+                )),
+                // Absolute: generated in a worker, where there is no request to borrow a host
+                // from (see framework.router.default_uri).
+                'approvalUrl' => $this->approvalUrlGenerator->forUser($user, UrlGeneratorInterface::ABSOLUTE_URL),
+            ],
+            [
+                'template' => 'email/role_nomination.html.twig',
+                'subject' => 'Neue Rollen-Freischaltung angefordert',
+                'to' => $recipients,
+            ],
+        );
+    }
+}

src/Model/BookingEditSubmissionResult.php

@@ -14,10 +14,17 @@ final readonly class BookingEditSubmissionResult
     public const string STATUS_TIMEOUT = 'timeout';
     public const string STATUS_API_CLIENT_ERROR = 'api_client_error';
 
+    /**
+     * @param list<string> $unbookableServicesReverted Labels of services dropped because they are
+     *                                                 no longer bookable, reported separately from
+     *                                                 the mutability revert: the category is still
+     *                                                 mutable, the service is not bookable
+     */
     public function __construct(
         public string $status,
         public ?string $message = null,
         public bool $immutableChangesReverted = false,
+        public array $unbookableServicesReverted = [],
     ) {
     }
 }

src/Model/ContingentSyncResult.php

@@ -13,19 +13,24 @@ readonly class ContingentSyncResult
         public bool $successful,
         public bool $changed,
         public int $added,
+        public int $extended,
         public int $updated,
         public int $removed,
         public ?string $error = null,
     ) {
     }
 
-    public static function synced(bool $changed, int $added, int $updated, int $removed): self
+    /**
+     * $added counts days newly stored within the horizon the previous run already reached;
+     * $extended counts days beyond it, which is the rolling window growing rather than a change.
+     */
+    public static function synced(bool $changed, int $added, int $extended, int $updated, int $removed): self
     {
-        return new self(true, $changed, $added, $updated, $removed);
+        return new self(true, $changed, $added, $extended, $updated, $removed);
     }
 
     public static function failed(string $error): self
     {
-        return new self(false, false, 0, 0, 0, $error);
+        return new self(false, false, 0, 0, 0, 0, $error);
     }
 }

src/Model/RoomSelectionAdjustment.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+/**
+ * A room selection the current travel data no longer supports in full.
+ *
+ * A room that disappeared altogether is the same case with nothing left to book, so it is reported
+ * as an adjustment down to zero rather than as a second kind of result.
+ */
+final readonly class RoomSelectionAdjustment
+{
+    public function __construct(
+        public int $roomId,
+        public ?string $label,
+        public int $requestedQuantity,
+        public int $bookableQuantity,
+    ) {
+    }
+
+    /**
+     * Whether the room is gone entirely rather than merely reduced.
+     */
+    public function isDropped(): bool
+    {
+        return 0 === $this->bookableQuantity;
+    }
+}

src/Model/TravelExport.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+/**
+ * The whole travel-date x hotel export plus the counters that describe how it was built.
+ *
+ * Held in the bpn.cache pool as one unit and paginated in the controller, which is what
+ * makes the counters identical on every page: they describe the export, not the page, so a
+ * consumer can read them once and abort the page walk on the first response.
+ *
+ * @see \App\Service\TravelExportBuilder
+ */
+final readonly class TravelExport
+{
+    /**
+     * @param list<array<string, mixed>> $rows                     one row per (travel, hotel) pair
+     * @param int                        $skipped                  (travel, hotel) pairs dropped as unusable
+     * @param int                        $pickupsWithoutMasterData distinct pickup ids absent from zustiege.xml
+     */
+    public function __construct(
+        public array $rows,
+        public int $skipped,
+        public int $pickupsWithoutMasterData,
+        public \DateTimeImmutable $generatedAt,
+    ) {
+    }
+}

src/Model/TravelExportQuery.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Model;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+final readonly class TravelExportQuery
+{
+    public function __construct(
+        #[Assert\Positive]
+        public int $page = 1,
+
+        #[Assert\Range(min: 1, max: 1000)]
+        public int $perPage = 500,
+    ) {
+    }
+}

src/Repository/BookingEditDraftRepository.php

@@ -123,4 +123,35 @@ class BookingEditDraftRepository extends ServiceEntityRepository
             ->getQuery()
             ->execute();
     }
+
+    /**
+     * Finds drafts whose owner has been unable to save for a while.
+     *
+     * A draft is deleted the moment an update succeeds (see BookingEditSubmitter), so its mere age
+     * is the signal: one that has survived for days belongs to somebody whose changes BusPro keeps
+     * refusing. Drafts for departed travels are excluded - nothing can be done about those, and the
+     * nightly cleanup removes them anyway.
+     *
+     * Ordered by the most recent attempt rather than by age: somebody who tried again yesterday is
+     * still stuck and still waiting, while the oldest drafts are mostly edits abandoned months ago.
+     * Sorting by age alone fills the list with the latter and buries the people to help.
+     *
+     * @param int $minAgeDays How long a draft must have existed to count as stuck
+     *
+     * @return BookingEditDraft[] Most recently attempted first
+     */
+    public function findStuck(int $minAgeDays = 7, int $limit = 10): array
+    {
+        return $this->createQueryBuilder('d')
+            ->join('d.user', 'u')
+            ->addSelect('u')
+            ->where('d.createdAt < :cutoff')
+            ->andWhere('d.travelDate >= :today')
+            ->setParameter('cutoff', new \DateTimeImmutable(sprintf('-%d days', $minAgeDays)))
+            ->setParameter('today', new \DateTimeImmutable('today'))
+            ->orderBy('d.updatedAt', 'DESC')
+            ->setMaxResults($limit)
+            ->getQuery()
+            ->getResult();
+    }
 }

src/Repository/Groups/ContingentDayRepository.php

@@ -71,30 +71,6 @@ class ContingentDayRepository extends ServiceEntityRepository
         return $this->indexByDate($days);
     }
 
-    /**
-     * Returns the accommodation's complete stored snapshot as an ordered "Y-m-d:STATUS" list.
-     *
-     * Scalar hydration keeps the fingerprint cheap: the entities themselves are of no interest here.
-     *
-     * @return list<string>
-     */
-    public function findStatusFingerprintParts(Accommodation $accommodation): array
-    {
-        /** @var array<int, array{date: \DateTimeImmutable, status: \App\BpnConnect\Model\ContingentStatus}> $rows */
-        $rows = $this->createQueryBuilder('cd')
-            ->select('cd.date', 'cd.status')
-            ->where('cd.accommodation = :accommodation')
-            ->setParameter('accommodation', $accommodation)
-            ->orderBy('cd.date', 'ASC')
-            ->getQuery()
-            ->getArrayResult();
-
-        return array_map(
-            static fn (array $row) => $row['date']->format('Y-m-d').':'.$row['status']->value,
-            $rows,
-        );
-    }
-
     /**
      * Retention: drops snapshot days that are in the past and can no longer be requested.
      */

src/Security/BpnAuthenticator.php

@@ -12,12 +12,14 @@ use App\BusProNet\Model\CrmAttributes;
 use App\BusProNet\Model\PersonalData;
 use App\Entity\User;
 use App\Htmx\HxRedirectResponse;
+use App\Message\RoleNominationMessage;
 use App\Service\ProfileCompletenessChecker;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
@@ -34,8 +36,10 @@ use Symfony\Component\Security\Http\Util\TargetPathTrait;
  *
  * The password is kept, RSA-encrypted, because every later BPN call needs it again.
  *
- * BusPro owns the whole role set and the hotel codes: both are synced on every login, in both
+ * BusPro owns the whole role set bar one, and the hotel codes: both are synced on every login, in
- * directions, so anything the CRM no longer reports is withdrawn here. What the CRM claims is
+ * both directions, so anything the CRM no longer reports is withdrawn here. The exception is
+ * ROLE_EMPLOYEE, which BusPro has no selection for and which is derived from the account's email
+ * domain — passed to Role::sync() as a claim, so it is granted and revoked by the same machinery. What the CRM claims is
  * not automatically granted, though — Role::sync() turns an administrative claim into a
  * nomination that an administrator has to approve in /admin/user, because BusPro backend users
  * can edit their own CRM selections and would otherwise make themselves administrators.
@@ -51,6 +55,8 @@ class BpnAuthenticator extends AbstractLoginFormAuthenticator implements Authent
         private readonly Crypt $crypt,
         private readonly ProfileCompletenessChecker $completenessChecker,
         private readonly LoggerInterface $authLogger,
+        private readonly EmployeeDomainMatcher $employeeDomainMatcher,
+        private readonly MessageBusInterface $messageBus,
     ) {
     }
 
@@ -61,7 +67,10 @@ class BpnAuthenticator extends AbstractLoginFormAuthenticator implements Authent
 
     public function authenticate(Request $request): Passport
     {
-        $email = trim($request->request->getString('_username'));
+        // One canonical casing per account. BusPro matches an address case-insensitively and so
+        // does the utf8mb4_unicode_ci column, so the casing somebody happens to type must not
+        // become the casing every later BusPro call re-sends.
+        $email = mb_strtolower(trim($request->request->getString('_username')));
         $passwordPlain = trim($request->request->getString('_password'));
 
         // BPN requires md5, not a real hash
@@ -108,6 +117,10 @@ class BpnAuthenticator extends AbstractLoginFormAuthenticator implements Authent
         $user = $userRepository->findOneBy(['email' => $email]) ?? new User($email);
 
         $user
+            // Not redundant next to the constructor: an account created before the address was
+            // normalized still carries the casing of its very first login, and everything
+            // downstream re-sends what is stored rather than what was just typed.
+            ->setEmail($email)
             ->setPassword($encryptedPassword)
             ->setPersonId($personalData->personId)
             ->setAddressId($personalData->addressId)
@@ -117,7 +130,7 @@ class BpnAuthenticator extends AbstractLoginFormAuthenticator implements Authent
             ->setProfileComplete($this->completenessChecker->isComplete($personalData))
         ;
 
-        $this->syncFromCrm($user, $crmAttributes);
+        $nominated = $this->syncFromCrm($user, $crmAttributes);
 
         // Registered only once it is fully populated: syncFromCrm() logs on a channel that writes
         // to the database, and an account already managed at that point would be flushed
@@ -126,14 +139,24 @@ class BpnAuthenticator extends AbstractLoginFormAuthenticator implements Authent
         $this->entityManager->persist($user);
         $this->entityManager->flush();
 
+        // After the flush, deliberately: a first login has no id before it, and the transport is
+        // Doctrine-backed, so a message queued ahead of a failing flush would announce a
+        // nomination that was never stored.
+        if ([] !== $nominated) {
+            $this->messageBus->dispatch(new RoleNominationMessage((int) $user->getId(), $nominated));
+        }
+
         return $user;
     }
 
     /**
      * Writes back what the CRM currently claims: the roles per Role::sync() and the hotel codes
      * verbatim. Both replace what is stored, which is what makes BusPro the source of truth.
+     *
+     * @return string[] the roles this login newly nominated the account for — the roles
+     *                  themselves, not their markers, and empty whenever nothing changed
      */
-    private function syncFromCrm(User $user, CrmAttributes $crmAttributes): void
+    private function syncFromCrm(User $user, CrmAttributes $crmAttributes): array
     {
         $previousRoles = $user->getRoles();
 
@@ -148,25 +171,45 @@ class BpnAuthenticator extends AbstractLoginFormAuthenticator implements Authent
             // An existing account keeps everything it has. A brand new one still needs a role,
             // and an empty claim set is exactly what Role::sync() answers with the fallback.
             if ([] !== Role::assignedOnly($previousRoles)) {
-                return;
+                return [];
             }
         }
 
+        $claimedRoles = $crmAttributes->roles;
+
+        // Not a CRM claim: BusPro has no selection for it, so the account's own address decides.
+        // Passing it in as a claim rather than setting it afterwards is what makes it revocable —
+        // Role::sync() strips every stored role the claim set does not contain.
+        if ($this->employeeDomainMatcher->isEmployee($user->getEmail())) {
+            $claimedRoles[] = Role::EMPLOYEE;
+        }
+
         $user
-            ->setRoles(Role::sync($previousRoles, $crmAttributes->roles))
+            ->setRoles(Role::sync($previousRoles, $claimedRoles))
             ->setHotelCodes(array_values(array_unique($crmAttributes->hotelCodes)))
         ;
 
-        $nominated = array_diff(Role::pendingOnly($user->getRoles()), Role::pendingOnly($previousRoles));
+        // Compared on the full role sets rather than on the markers alone: nominatedFrom() needs
+        // to see ROLE_EMPLOYEE to know whether an EMPLOYEE_ONLY marker counts.
+        $nominated = array_values(array_diff(
+            array_keys(Role::nominatedFrom($user->getRoles())),
+            array_keys(Role::nominatedFrom($previousRoles)),
+        ));
 
-        if ([] !== $nominated) {
+        if ([] === $nominated) {
-            // The CRM claims an administrative role for somebody who does not hold it. It grants
+            return [];
-            // nothing until an administrator approves it in /admin/user.
-            $this->authLogger->info('Nominated for administrative roles by the BPN CRM', [
-                'email' => $user->getEmail(),
-                'roles' => array_values($nominated),
-            ]);
         }
+
+        // The CRM claims an administrative role for somebody who does not hold it. It grants
+        // nothing until an administrator approves it in /admin/user.
+        $this->authLogger->info('Nominated for administrative roles by the BPN CRM', [
+            'email' => $user->getEmail(),
+            'roles' => $nominated,
+        ]);
+
+        // Only the newly appeared nominations reach this point, so a repeat login with a
+        // nomination still standing announces nothing. That difference is the whole de-duplication.
+        return $nominated;
     }
 
     public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response