Christoffer Martinsson a1c980ad31 Implement deterministic service disk usage detection with defined paths
- Prioritize defined service directories over systemctl WorkingDirectory fallbacks
- Add ARK Survival Ascended server mappings to correct NixOS-configured paths
- Remove legacy get_service_disk_usage method to eliminate code duplication
- Ensure deterministic behavior with single-purpose detection logic

Fixes ARK service disk usage reporting on srv02 by using actual data paths
from NixOS configuration instead of systemctl working directory detection.
2025-10-20 10:45:30 +02:00
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