cynfo3000 d4b6ca86e5 feat: Task Health Check + customer_number in webhook payload
- Task model: CustomerNumber field (K-Nummer aus customers.number)
- DB: taskSelectCols joined c.number, scanTask scans CustomerNumber
- Hub: WaitForAgentOnline() polls until agent reconnects or timeout
- Scheduler: executeUpdateWithHealthCheck() waits for agent reconnect after update
  - health_check: {agent_online: bool, checked_at: RFC3339} in result
  - Status: completed_with_warning wenn Update OK aber Agent offline bleibt
- Frontend: Task-Tabelle zeigt Status-Badge (lauft/fehler/warnung/abgebr.)
2026-03-05 10:53:08 +01:00
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