fix: prevent generating offer links while booking is in draft

src/Entity/Groups/AccommodationBooking.php

@@ -402,6 +402,17 @@ class AccommodationBooking implements BlameableEntityInterface, TimestampableEnt
         return AccommodationBookingStatus::Discarded === $this->status;
     }
 
+    /**
+     * Whether the record may be put in front of the customer at all. A draft is the office's
+     * own workbench — nothing has been offered yet, so an access link would point the customer
+     * at a half-prepared record. Every access link action (issuing, regenerating, sending)
+     * hangs off this, so the rule lives in one place rather than in each caller.
+     */
+    public function isCustomerAccessible(): bool
+    {
+        return !$this->isDraft();
+    }
+
     public function getOrigin(): AccommodationBookingOrigin
     {
         return $this->origin;