New endpoint /backend-api/composer/items observed

{
  "schema_fingerprint.endpoints_seen": [
    "GET /backend-api/accounts/check/v4-2023-04-27",
    "GET /backend-api/accounts/optimized/check",
    "GET /backend-api/aip/first-party/eligibility",
    "GET /backend-api/amphora/notifications",
    "GET /backend-api/apps/sources_dropdown",
    "GET /backend-api/beacons/home",
    "GET /backend-api/calpico/chatgpt/rooms/summary",
    "GET /backend-api/celsius/ws/user",
    "GET /backend-api/checkout_pricing_config/configs/DE",
    "GET /backend-api/client/strings",
    "GET /backend-api/composer/items",
    "GET /backend-api/conversation/{id}/stream_status",
    "GET /backend-api/conversation/{id}/textdocs",
    "GET /backend-api/conversations",
    "GET /backend-api/conversations/{id}",
    "GET /backend-api/gizmos/bootstrap",
    "GET /backend-api/gizmos/snorlax/sidebar",
    "GET /backend-api/hazelnuts",
    "GET /backend-api/images/bootstrap",
    "GET /backend-api/me",
    "GET /backend-api/models",
    "GET /backend-api/pageConfigs/billing",
    "GET /backend-api/pins",
    "GET /backend-api/prompt_library/",
    "GET /backend-api/sentinel/frame.html",
    "GET /backend-api/sentinel/sdk.js",
    "GET /backend-api/settings/is_adult",
    "GET /backend-api/settings/user",
    "GET /backend-api/settings/voices",
    "GET /backend-api/subscriptions",
    "GET /backend-api/system_hints",
    "GET /backend-api/tasks",
    "GET /backend-api/tpp/models/",
    "GET /backend-api/user_granular_consent",
    "GET /backend-api/user_segments",
    "GET /backend-api/user_segments/codex_surface_usage",
    "GET /backend-api/user_surveys/active",
    "GET /backend-api/user_system_messages",
    "PATCH /backend-api/settings/user_last_used_model_config",
    "POST /backend-api/aip/connectors/links/list_accessible",
    "POST /backend-a
…