feat: enhance clinic API to resolve contact fields from address record and add tests for contact field resolution

docs/api/clinic.md

@@ -157,7 +157,7 @@ Get clinic detail.
 }
 ```
 
-> `city`/`state`/`map` are resolved from the clinic's **address** (`DoctorAddress` linked by `clinic_id`), not from columns on the clinic. Each is an array with a single object (or empty `[]` if the clinic has no address). `doctors` is a **count**; the actual doctor list comes from `GET /api/v1/clinic/doctor-list/{clinicUuid}` (`doctor_list` here is always `null`).
+> `city`/`state`/`map`/`location`/`phone`/`phone_number` are all resolved from the clinic's **address** (`DoctorAddress` linked by `clinic_id`), not from columns on the clinic. `location` and `phone`/`phone_number` fall back to the deprecated `clinics.address` / `clinics.telephone` columns only when the address record has no value — reading them from different rows made one response describe two different places. Each is an array with a single object (or empty `[]` if the clinic has no address). `doctors` is a **count**; the actual doctor list comes from `GET /api/v1/clinic/doctor-list/{clinicUuid}` (`doctor_list` here is always `null`).
 
 ### معنای `is_active`
 
@@ -265,6 +265,7 @@ List clinics with pagination.
 | `doctors_count` | integer | Number of doctors linked to the clinic |
 | `city` | string\|null | City name, resolved from the clinic's address (`DoctorAddress`) |
 | `state` | string\|null | Province name, resolved from the clinic's address (`DoctorAddress`) |
+| `phone` / `phone_number` | string\|null | Contact number from the clinic's address (`DoctorAddress`), falling back to the deprecated `clinics.telephone` column |
 | `24_7` | boolean | Open 24/7 flag |
 | `field_working_days` | string\|null | Working days/hours description |