list_networks:
SYNO.Docker.Network/list → shows name, driver, subnet, gateway,
attached containers. Response key is "network" (not "networks").
create_network(name, driver, subnet, gateway, ip_range, enable_ipv6, confirmed):
Dry-run preview without confirmed=True. Passes enable_ipv6 as
json.dumps(bool) per N4S4 reference. Optional params (subnet,
gateway, iprange) omitted from request when not provided.
delete_network(name, confirmed):
Validates network exists and has no attached containers before
deleting. Clear error listing attached container names if blocked.
15 unit tests covering all paths.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
