fix: preserve Docker legacy API key during rotation

docker/docker-compose.integrated.yml

@@ -17,6 +17,8 @@ services:
       NODE_ENV: production
       NO_COLOR: "${NO_COLOR:-}"
       CCS_DEBUG: "${CCS_DEBUG:-}"
+      CCS_DOCKER_LEGACY_KEY_GRACE_DAYS: "${CCS_DOCKER_LEGACY_KEY_GRACE_DAYS:-}"
+      CCS_DOCKER_RESTORE_LEGACY_API_KEY: "${CCS_DOCKER_RESTORE_LEGACY_API_KEY:-}"
     volumes:
       - ccs_home:/root/.ccs
       - ccs_logs:/var/log/ccs