List active deployments, optionally filtered and sorted. Use this to find deployments left running from earlier sessions before starting new ones — orphaned servers cost money. Filter by status, application, version, tags, request_id, created_at, fleet_name or host_name, e.g. [{field:"application",operator:"eq",value:"my-game"},{field:"status",operator:"eq",value:"ready"}]. Operators: eq and neq on every field except created_at (eq, gte, lte); in and nin with an array value on request_id, tags, application, version, fleet_name, host_name; ilike with % wildcards on fleet_name and host_name. At most one filter per field. Sort by created_at or available_session_sockets. To find every deployment an agent started through this server, pass only_agent_deployments: true (the same as filtering tags in ["edgegap-mcp", "mcp"]).