[bojemoi] fix(infra): restore boot stack services and fix network declarations

Commit `3f1f87a`

Boot stack: mark all overlay networks as external (were blocking redeploy)
Boot stack: remove toolbox (moved to 99-service-tool.yml)
Recreate boot_alertmanager_config Docker config (was immutable, blocking deploy)
Traefik and docker-socket-proxy restored (were missing since last reboot)
node-exporter force-updated on meta-68 (stale digest)
Remove orphan honeypot stack (duplicate of medved stack)
Fix alertmanager.yml template: replace unsupported default filter with if/else
alertmanager.yml: minor template fix for esp32_id/type labels

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com