wiki: audit fixes — broken links, wikilinks, frontmatter, stale content (66 files)

- Fixed 4 broken markdown links (bad relative paths in See Also sections)
- Corrected n8n port binding to 127.0.0.1:5678 (matches actual deployment)
- Updated SnapRAID article with actual majorhome paths (/majorRAID, disk1-3)
- Converted 67 Obsidian wikilinks to relative markdown links or plain text
- Added YAML frontmatter to 35 articles missing it entirely
- Completed frontmatter on 8 articles with missing fields

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

02-selfhosting/monitoring/netdata-n8n-enriched-alerts.md

@@ -1,3 +1,12 @@
+---
+title: "Netdata n8n Enriched Alert Emails"
+domain: selfhosting
+category: monitoring
+tags: [netdata, n8n, alerts, email, monitoring, automation]
+status: published
+created: 2026-04-02
+updated: 2026-04-02
+---
 # Netdata → n8n Enriched Alert Emails
 
 **Status:** Live across all MajorsHouse fleet servers as of 2026-03-21

02-selfhosting/monitoring/netdata-selinux-avc-chart.md

@@ -134,4 +134,4 @@ done
 - [Deploying Netdata to a New Server](netdata-new-server-setup.md)
 - [Tuning Netdata Web Log Alerts](tuning-netdata-web-log-alerts.md)
 - [Tuning Netdata Docker Health Alarms](netdata-docker-health-alarm-tuning.md)
-- [SELinux: Fixing Dovecot Mail Spool Context](/05-troubleshooting/selinux-dovecot-vmail-context.md)
+- [SELinux: Fixing Dovecot Mail Spool Context](../../05-troubleshooting/selinux-dovecot-vmail-context.md)

02-selfhosting/monitoring/tuning-netdata-web-log-alerts.md

@@ -85,4 +85,4 @@ curl -s http://localhost:19999/api/v1/alarms?all | grep -A 15 "web_log_1m_redire
 
 ## See Also
 
-- [[Netdata service monitoring]]
+- Netdata service monitoring