feat(validation): enforce naming rules for doctors and clinics to prevent placeholders

src/Clinic/Entity/Clinic.php

@@ -6,6 +6,7 @@ use App\Auth\Entity\User;
 use App\Doctor\Entity\Doctor;
 use App\DoctorService\Entity\DoctorService;
 use App\Insurance\Entity\Insurance;
+use App\Shared\Util\DisplayName;
 use App\Specialty\Entity\Specialty;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
@@ -166,7 +167,8 @@ class Clinic
     public function getServices(): Collection   { return $this->services; }
     public function getInsurances(): Collection { return $this->insurances; }
 
-    public function setName(?string $v): self       { $this->name = $v; $this->touch(); return $this; }
+    // null مجاز است (کلینیک تازه‌ساخته هنوز نام ندارد)؛ ولی نام آلوده رد می‌شود.
+    public function setName(?string $v): self       { if ($v !== null) DisplayName::assertReal($v); $this->name = $v; $this->touch(); return $this; }
     public function setInfo(?string $v): self        { $this->info = $v; $this->touch(); return $this; }
     public function setAddress(?string $v): self     { $this->address = $v; $this->touch(); return $this; }
     public function setTelephone(?string $v): self   { $this->telephone = $v; $this->touch(); return $this; }