fix: bind LiteLLM to 0.0.0.0 for Traefik accessibility

LiteLLM was binding to localhost by default, making it unreachable
from Traefik reverse proxy. Added --host 0.0.0.0 parameter to allow
connections from the Docker network.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

ai/compose.yaml

@@ -98,7 +98,7 @@ services:
       DATABASE_URL: null
     volumes:
       - ./litellm-config.yaml:/app/litellm-config.yaml:ro
-    command: ["--config", "/app/litellm-config.yaml", "--port", "4000", "--detailed_debug", "--drop_params"]
+    command: ["--config", "/app/litellm-config.yaml", "--host", "0.0.0.0", "--port", "4000", "--detailed_debug", "--drop_params"]
     networks:
       - compose_network
     healthcheck:
@@ -153,8 +153,3 @@ volumes:
     name: ${AI_COMPOSE_PROJECT_NAME}_webui_data
   ai_crawl4ai_data:
     name: ${AI_COMPOSE_PROJECT_NAME}_crawl4ai_data
-
-networks:
-  compose_network:
-    name: ${NETWORK_NAME}
-    external: true