Erich Blume 54afa0750b Add how-to guide for restoring 1Password backup from borgmatic (#141 )

## Summary
- New how-to guide at `docs/how-to/restore-1password-backup.md` with step-by-step procedure for extracting and decrypting a 1Password `.1pux` export from borgmatic backup
- **End-to-end verified**: extracted from today's borg archive, decrypted age key with openssl, decrypted .1pux with age → valid 31MB zip with vault data
- Cross-links added from: disaster-recovery, 1password, borgmatic, backups policy, and how-to index
- Updated disaster-recovery.md from TBD stub to include a procedures table

## Deployment and Testing
- [x] Verified full extraction + decryption flow against live borgmatic archive
- [x] `docs-check-links` passes — all wiki-links valid
- [ ] Review guide for clarity and completeness

Reviewed-on: https://forge.ops.eblu.me/eblume/blumeops/pulls/141

2026-02-10 10:55:00 -08:00

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title

Borgmatic

Daily backup system using Borg backup, running on indri.

Quick Reference

Property	Value
Install	mise (pipx)
Config	`~/.config/borgmatic/config.yaml`
Schedule	Daily at 2:00 AM
Repository	`/Volumes/backups/borg/` on [[sifaka

What Gets Backed Up

Directories:

~/code/personal/zk - Zettelkasten
/opt/homebrew/var/forgejo - Git forge data
~/.config/borgmatic - Borgmatic config
~/Documents - Personal documents

Databases:

miniflux on postgresql
teslamate on postgresql

Not backed up (by design):

ZIM archives (re-downloadable)
Prometheus metrics (ephemeral)
Loki logs (ephemeral)

Retention Policy

Period	Count
Daily	7
Monthly	12
Yearly	1000

Monitoring

Metrics exposed via textfile collector to prometheus:

borgmatic_up - Repository accessibility
borgmatic_last_archive_timestamp - Last backup time
borgmatic_repo_deduplicated_size_bytes - Disk usage

Dashboard: "Borgmatic Backups" in grafana

backups - Full backup policy
sifaka - Backup target
postgresql - Database backups
restore-1password-backup - Recover 1Password from backup

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