Loopback, link-local, and .local/.internal hostnames are now all
overridable with ALLOW_INTERNAL_NETWORK=true (commit 9a08368). Merge
the two-tier "always blocked / conditionally blocked" structure into a
single table, add a warning about cloud metadata exposure.
Adds the complete TREK documentation wiki covering installation,
trip planning, admin panel, MCP/AI integration, addons, and operations.
Also fixes encrypt-at-rest gaps: mapbox_access_token, Synology
credentials, per-user webhook/ntfy tokens, and photo passphrases
are now rotated by migrate-encryption.ts and stored encrypted via
settingsService.
jubnl