chore: standardize service domains and error logging

admin_ui/SCHEDULE_API.md

@@ -246,7 +246,7 @@ The schedule manager uses:
 ### Create a schedule (Admin)
 
 ```bash
-curl -X POST http://localhost:5001/admin/schedules \
+curl -X POST https://transit.xtransit.testinstance.nl/admin/schedules \
   -H "Authorization: Bearer YOUR_TOKEN" \
   -H "Content-Type: application/json" \
   -d '{
@@ -261,13 +261,13 @@ curl -X POST http://localhost:5001/admin/schedules \
 ### Get today's schedules (Public)
 
 ```bash
-curl http://localhost:5001/schedules?date=$(date +%Y-%m-%d)
+curl https://transit.xtransit.testinstance.nl/schedules?date=$(date +%Y-%m-%d)
 ```
 
 ### Get schedules for specific line (Public)
 
 ```bash
-curl http://localhost:5001/schedules?lineId=3
+curl https://transit.xtransit.testinstance.nl/schedules?lineId=3
 ```
 
 ## Future Enhancements