feat: add canonical URL handling and entity quality checks

- Implemented canonical URL strategies for city-specific domains and entities.
- Added helper functions for domain and city resolution.
- Created tests for canonical URL generation and domain resolution.
- Introduced entity quality checks for doctors and clinics to ensure meaningful content.
- Developed unique introductory texts for listing pages to avoid duplicate content.
- Established robots.txt policies for listing pages to manage indexing based on user filters.
- Enhanced specialty content with dynamic introductions and FAQs to improve SEO.

components/doctor/index.js

@@ -4,8 +4,16 @@ import ClaimProfileSection from "./claim";
 import DetailDoctor from "./detailDoctor";
 import Share from "./detailDoctor/Share";
 import CustomLoading from "@/app/component/loading/Custom";
+import Faq from "@/components/specialties/detail/Faq";
+import specialtiesData from "@/data/specialties.json";
 
-function DoctorPage({ doctor, comments, rateAggregate, addresses, bookableAddressUuids = [], bookingLocations = [], slug }) {
+// مقصد تمیز صفحهٔ فرود تخصص؛ اگر تخصص slug نداشت، لیست پزشکان با کوئری قدیمی.
+const specialtyHref = (name) => {
+  const slug = specialtiesData.find((s) => s.name === name && s.status === 1)?.slug;
+  return slug ? `/specialties/${slug}` : `/doctors?specialty=${encodeURIComponent(name)}`;
+};
+
+function DoctorPage({ doctor, comments, rateAggregate, addresses, bookableAddressUuids = [], bookingLocations = [], slug, faq = [] }) {
   return (
     <div className="pt-[92px] sm:pt-[120px] mt:pt-[148px] lg:pt-[176px] mt-[px] padding-responsive">
       <div className="flex items-center justify-between">
@@ -14,10 +22,7 @@ function DoctorPage({ doctor, comments, rateAggregate, addresses, bookableAddres
             <h2 className="text-[#9B9B9B] text-nowrap flex items-center">
               {doctor?.specialties?.map((item, idx) => (
                 <span key={item.id ?? item.name} className="flex items-center">
-                  <Link
-                    href={`/doctors?specialty=${encodeURIComponent(item.name)}`}
-                    className="hover:text-[#525252]"
-                  >
+                  <Link href={specialtyHref(item.name)} className="hover:text-[#525252]">
                     {item.name}
                   </Link>
                   <span className="mx-1">
@@ -44,6 +49,7 @@ function DoctorPage({ doctor, comments, rateAggregate, addresses, bookableAddres
         <AppointmentList doctor={doctor} doctorSlug={slug} bookingLocations={bookingLocations} />
       </div>
       <ClaimProfileSection doctor={doctor} />
+      <Faq items={faq} />
     </div>
   );
 }