fix: applicant split in edit mode, drop create-mode agency checks

src/Form/Model/BookingDto.php

@@ -68,7 +68,7 @@ class BookingDto
      *
      * Create mode only: it is the booking-level choice behind "Ich reise selbst mit".
      * In edit mode the split is derived from the loaded booking instead, see
-     * isFirstParticipantApplicant(). Internal agency bookings never flip this.
+     * isFirstParticipantApplicant().
      */
     public bool $applicantTravels = true;
 
@@ -201,21 +201,23 @@ class BookingDto
      * same thing, which only held because the internal agency was the one case where
      * applicant and participant[0] differed.
      *
-     * - internal agency: always false, their applicant is a staff member and never travels
-     * - create: the booking-level choice
-     * - edit: derived from the loaded booking. A null person id on either side counts as
-     *   "same", so incomplete BPN data keeps today's stricter, locked-down behaviour.
+     * - create: the booking-level choice. The agency plays no part here: internal agency
+     *   bookings are made in the BusPro backend and only ever edited in this application.
+     * - edit, internal agency: always false, their applicant is a customer who is not the
+     *   first traveller
+     * - edit, otherwise: derived from the loaded booking. A null person id on either side
+     *   counts as "same", so incomplete BPN data keeps today's stricter, locked-down behaviour.
      */
     public function isFirstParticipantApplicant(): bool
     {
-        if ($this->isInternalAgencyBooking()) {
-            return false;
-        }
-
         if (self::MODE_CREATE === $this->getMode()) {
             return $this->applicantTravels;
         }
 
+        if ($this->isInternalAgencyBooking()) {
+            return false;
+        }
+
         $applicantPersonId = $this->booking?->applicant?->personId;
         $firstParticipantPersonId = $this->getParticipant(0)?->personId;
 
@@ -289,17 +291,15 @@ class BookingDto
     }
 
     /**
-     * Requires a complete address from participant[0] only where they supply the anmelder block.
+     * Requires a complete address from participant[0] only where they are the applicant.
      *
      * BusPro does not require an anschrift from an ordinary participant, so on a split booking
-     * the traveller at index 0 is not asked for one. Keyed on $applicantTravels rather than
-     * isFirstParticipantApplicant() so internal agency bookings, whose payload still builds the
-     * anmelder from participant[0], keep asking for it.
+     * the traveller at index 0 is not asked for one.
      */
     #[Assert\Callback(groups: ['strict_required'])]
     public function validateFirstParticipantAddress(ExecutionContextInterface $context): void
     {
-        if (false === $this->applicantTravels) {
+        if (false === $this->isFirstParticipantApplicant()) {
             return;
         }
 

src/Form/Model/ParticipantEditDto.php

@@ -105,7 +105,7 @@ class ParticipantEditDto
             return;
         }
 
-        if (false === $this->bookingContext->applicantTravels) {
+        if (false === $this->bookingContext->isFirstParticipantApplicant()) {
             return;
         }
 

src/Form/Service/Condition/FirstParticipantIsApplicantCondition.php

@@ -8,22 +8,16 @@ use App\Form\Model\BookingDto;
 use App\Form\Service\Contract\FieldConditionInterface;
 
 /**
- * Condition for "participant[0] is the person the <anmelder> block is built from".
+ * Condition for "participant[0] is the booking's applicant".
  *
  * Use it where a field is only mandatory because BusPro asks it of the Anmelder rather than of
  * an ordinary participant, such as mobile and address (an empty anschrift passes for a
  * participant, measured on 2036).
  *
- * It deliberately tracks $applicantTravels, the same condition
- * BookingPayloadBuilder::buildCreatePayload() keys its $applicantSource on. That keeps internal
- * agency bookings unchanged: their applicant never travels, but their payload still takes the
- * anmelder from participant[0], so participant[0] still owes the Anmelder's fields. This is why
- * it is not isFirstParticipantApplicant(), which answers false for them.
- *
  * FirstParticipantCondition remains the right choice where plain index 0 is meant, such as
  * showing a field on the first card regardless of who that person is.
  */
-class FirstParticipantSuppliesApplicantDataCondition implements FieldConditionInterface
+class FirstParticipantIsApplicantCondition implements FieldConditionInterface
 {
     /**
      * @param BookingDto           $bookingDto       The current booking data
@@ -32,7 +26,7 @@ class FirstParticipantSuppliesApplicantDataCondition implements FieldConditionIn
      */
     public function evaluate(BookingDto $bookingDto, int $participantIndex, array $formData): bool
     {
-        return 0 === $participantIndex && $bookingDto->applicantTravels;
+        return 0 === $participantIndex && $bookingDto->isFirstParticipantApplicant();
     }
 
     /**
@@ -45,6 +39,6 @@ class FirstParticipantSuppliesApplicantDataCondition implements FieldConditionIn
 
     public function getDescription(): string
     {
-        return 'Checks if participant[0] supplies the anmelder block';
+        return 'Checks if participant[0] is the applicant';
     }
 }

src/Form/Service/Condition/FirstParticipantReadOnlyCondition.php

@@ -12,14 +12,14 @@ use App\Form\Service\Contract\FieldConditionInterface;
  *
  * It fires only where participant[0] IS the booking's applicant, which
  * BookingDto::isFirstParticipantApplicant() decides: the booking-level choice in create mode,
- * and anmelder vs. participant[0] person id in edit mode. Internal agency bookings answer
- * false there, which preserves the behaviour this class used to spell out itself.
+ * and anmelder vs. participant[0] person id in edit mode, where internal agency bookings
+ * always answer false.
  *
  * Business Rules:
  * - CREATE mode (anonymous user): First participant data is editable (user must fill it in)
  * - CREATE mode (logged-in, participant[0] is the applicant): data is prepopulated, read-only
- * - CREATE mode (applicant does not travel, or internal agency): participant[0] is an ordinary
- *   traveller, data is editable
+ * - CREATE mode (applicant does not travel): participant[0] is an ordinary traveller, data is
+ *   editable
  * - EDIT mode (participant[0] is the applicant): always read-only
  * - EDIT mode (split booking, or internal agency): participant[0] ≠ applicant, editable here
  *   (PersonalDataMutabilityCondition still applies separately)

src/Form/Service/CreateFieldStateProvider.php

@@ -16,8 +16,8 @@ use App\Form\Service\Condition\FamilyInsuranceActiveCondition;
 use App\Form\Service\Condition\FieldValueCondition;
 use App\Form\Service\Condition\FinalBookingOnlyCondition;
 use App\Form\Service\Condition\FirstParticipantCondition;
+use App\Form\Service\Condition\FirstParticipantIsApplicantCondition;
 use App\Form\Service\Condition\FirstParticipantReadOnlyCondition;
-use App\Form\Service\Condition\FirstParticipantSuppliesApplicantDataCondition;
 use App\Form\Service\Condition\MultipleParticipantsCondition;
 use App\Form\Service\Condition\RentalInsuranceAvailableCondition;
 use App\Form\Service\Condition\RentalSelectionCondition;
@@ -88,7 +88,7 @@ class CreateFieldStateProvider extends AbstractFieldStateProvider
         );
 
         // First participant read-only condition
-        // Render personal data fields as static text for first participant in non-internal agency bookings
+        // Render personal data fields as static text for the first participant where they are the applicant
         // when user is logged in (data is prepopulated from BPN account)
         $firstParticipantReadOnlyCondition = new FirstParticipantReadOnlyCondition();
 
@@ -122,7 +122,7 @@ class CreateFieldStateProvider extends AbstractFieldStateProvider
         // applicant (guest bookings) — BusPro does not ask a telefonmobil of an ordinary participant.
         $this->fieldStateConditions['mobile'] = [
             'static_text' => $firstParticipantReadOnlyCondition,
-            'required' => new FirstParticipantSuppliesApplicantDataCondition(),
+            'required' => new FirstParticipantIsApplicantCondition(),
         ];
 
         // Address subfields - must render as static text to prevent creating duplicate BPN records
@@ -319,7 +319,7 @@ class CreateFieldStateProvider extends AbstractFieldStateProvider
         // ordinary participant. Also rendered as static text for the applicant when read-only.
         $this->fieldStateConditions['address'] = [
             'static_text' => $firstParticipantReadOnlyCondition,
-            'required' => new FirstParticipantSuppliesApplicantDataCondition(),
+            'required' => new FirstParticipantIsApplicantCondition(),
         ];
 
         // Room assignment field:

src/Form/Service/ParticipantEmailFieldHandler.php

@@ -14,7 +14,8 @@ use App\Form\Service\Abstract\AbstractParticipantFieldHandler;
  * BusPro requires a Mail-Adresse for every participant once a room is present and rejects the
  * step-3 Anfrage with 650 otherwise, children included. It does accept an address identical to
  * the Anmelder's, so children inherit the applicant's rather than being asked for one they
- * typically do not have. The value stays editable and stays mandatory.
+ * typically do not have. The value stays editable and stays mandatory. This happens in the
+ * create flow only; in edit mode the handler just stores what was submitted.
  *
  * The copy only ever fills a blank, so an address somebody typed is never overwritten. A later
  * correction to the applicant's own address therefore does not propagate to children who already
@@ -65,6 +66,13 @@ class ParticipantEmailFieldHandler extends AbstractParticipantFieldHandler
      */
     public function applyApplicantEmail(BookingDto $bookingDto, ParticipantDto $participant): void
     {
+        // Create mode only. An existing booking already carries whatever BusPro accepted, a
+        // blank may be intended where personal data is optional, and participant[0] is not
+        // reliably the applicant there.
+        if (BookingDto::MODE_CREATE !== $bookingDto->getMode()) {
+            return;
+        }
+
         if (false === $participant->isChild()) {
             return;
         }