Add access_group_models, access_group_mcp_server_ids, and
access_group_agent_ids to /team/info and /v2/team/list responses.
These fields contain resources inherited from access groups, kept
separate from direct assignments so the UI can distinguish the source.
Backend: _resolve_access_group_resources() helper resolves access
group resources via existing _get_*_from_access_groups() functions.
UI: Teams table and detail view show direct models as blue badges
and access-group-sourced models as green badges.
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