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>

05-troubleshooting/networking/tailscale-ssh-reauth-prompt.md

@@ -1,3 +1,12 @@
+---
+title: "Tailscale SSH: Unexpected Re-Authentication Prompt"
+domain: troubleshooting
+category: networking
+tags: [tailscale, ssh, authentication, vpn]
+status: published
+created: 2026-04-02
+updated: 2026-04-02
+---
 # Tailscale SSH: Unexpected Re-Authentication Prompt
 
 If a Tailscale SSH connection unexpectedly presents a browser authentication URL mid-session, the first instinct is to check the ACL policy. However, this is often a one-off Tailscale hiccup rather than a misconfiguration.
@@ -62,5 +71,5 @@ No auth prompt + `ok` output = resolved. Note that this test is only meaningful
 
 ## Related
 
-- [[Network Overview]] — Tailscale fleet inventory and SSH access model
-- [[SSH-Aliases]] — Fleet SSH access shortcuts
+- Network Overview — Tailscale fleet inventory and SSH access model
+- SSH-Aliases — Fleet SSH access shortcuts