Use a specialty dropdown when adding practitioners.

Replace free-text specialty on practitioner and team-invite forms with a shared selectable list so clinicians pick a known specialty.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/Practitioner.php

@@ -64,6 +64,25 @@ class Practitioner extends Model
         return $this->hasMany(Appointment::class, 'practitioner_id');
     }
 
+    /**
+     * Specialty dropdown options. Preserves a legacy/custom value when editing.
+     *
+     * @return list<string>
+     */
+    public static function specialtyOptions(?string $current = null): array
+    {
+        $options = array_values(array_filter(
+            config('care.practitioner_specialties', []),
+            fn ($label) => is_string($label) && $label !== '',
+        ));
+
+        if ($current !== null && $current !== '' && ! in_array($current, $options, true)) {
+            $options[] = $current;
+        }
+
+        return $options;
+    }
+
     /**
      * Select option label — includes branch context when available.
      */