rpi: Obsidian-vault через Obsidian Sync, суточный архив в ruzzy/MyVault, скилл obsidian у Astra; алерты backup_vault

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

stacks/monitoring/prometheus/rules/alerts.yml

@@ -99,6 +99,7 @@ groups:
           or (time() - backup_last_success_timestamp{job="backup_onedrive_verify"} > 8 * 86400)
           or (time() - backup_last_success_timestamp{job="backup_servers"} > 26 * 3600)
           or (time() - backup_last_success_timestamp{job="backup_router"} > 30 * 3600)
+          or (time() - backup_last_success_timestamp{job="backup_vault"} > 26 * 3600)
           or (time() - backup_last_success_timestamp{job="backup_router_sample"} > 35 * 86400)
         for: 10m
         labels: {severity: critical}
@@ -191,3 +192,9 @@ groups:
         labels: {severity: warning}
         annotations:
           summary: "Дом: необычно большая ОТДАЧА в интернет — {{ $value | humanize1024 }}Б/с 30+ мин (облачная синхронизация, торрент или что-то подозрительное). Кто: `router traffic --live`."
+      - alert: BackupNeverReported
+        expr: absent(backup_last_success_timestamp{instance="rpi",job="backup_vault"})
+        for: 26h
+        labels: {severity: warning, instance: rpi, job: backup_vault}
+        annotations:
+          summary: "rpi: архив Obsidian-vault в gitea не отчитывался 26+ ч — проверь vault-archive / obsidian-sync"