fix: attach litellm to shared dashboard network

Connect LiteLLM to nas-dashboard_internal and point dashboard-dev to the litellm container hostname so health probes work without host-loopback routing.

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

dashboard/docker-compose.dev.yml

@@ -21,7 +21,7 @@ services:
       - TELEGRAM_CHAT_ID=${TELEGRAM_CHAT_ID:-}
       - TELEGRAM_PROXY=${TELEGRAM_PROXY:-}
       - CORS_ORIGINS=https://dev.nas.jimmygan.com,https://dev.nas.jimmygan.com:8443
-      - LITELLM_URL=http://host.docker.internal:4005
+      - LITELLM_URL=http://litellm:4005
     volumes:
       - /volume1:/volume1
       - /volume1/docker/nas-dashboard/ssh/dashboard_terminal:/app/ssh/id_ed25519:ro

litellm/docker-compose.yml

@@ -13,6 +13,8 @@ services:
       - "127.0.0.1:${LITELLM_PORT:-4005}:4005"
     volumes:
       - ./config:/config:ro
+    networks:
+      - nas-dashboard_internal
     command:
       - "--config"
       - "/config/litellm.yaml"
@@ -25,3 +27,7 @@ services:
       options:
         max-size: "10m"
         max-file: "3"
+
+networks:
+  nas-dashboard_internal:
+    external: true