park(migration): promote the henge to permanent home on ana-docker

Operator-directed (Vuong 2026-08-13): migrated stonehenge-park off the nh3-docker
beta deployment to a permanent fixture on ana-docker (10.250.50.70) before the
v1.0.0 final cut. SQLite (park-data) migrated consistently (stop -> tar-copy ->
start; byte-identical). restic auto-covered by ana-docker's /var/lib/docker/volumes
source. Stable name park.phasefinal.com -> 10.250.50.70 (Cloudflare DNS-only) so
clients decouple from the host IP. Homepage tile 'The Henge' added. nh3-docker stack
left stopped as rollback pending park-dev cutover verification.

configs/homepage/services.yaml

@@ -30,6 +30,11 @@
       icon: mdi-microphone
       siteMonitor: http://10.100.79.3:8216/health
       description: Mint, audition and keeper-mark synthetic fleet voices — irv-ml1, CPU-only
+  - The Henge:
+      href: http://park.phasefinal.com:8420/
+      icon: mdi-clipboard-check
+      siteMonitor: http://park.phasefinal.com:8420/healthz
+      description: Durable needs-attention / idea parking (stonehenge-park) — ana-docker
 
 # The AI tab is fully Docker-auto-discovered. Each inference service carries
 # a homepage.group=AI - <role> label on its compose file (AI - Inference,