e0e94bd518
Frontend: - JobDetail loadLogs: fallback to [] when API returns null - JobDetail loadJob: pairs ?? [] guard on /api/sync-pairs 500 - JobHistory: Array.isArray guard on job list response - api client: return undefined for null body instead of throwing Backend: - handlers_jobs GetLog: return [] instead of null when no log rows - router: custom recoverer middleware that logs panics to slog with full stack trace, method, and path