- model: SimNet protocol fields + NormalizeSimnet; type+port protocol uniqueness
- server config: OmnXT runtime config delivery via compatible() simnet case
- credentials: derive per-user psk/key_id from subscription (pkg/simnet), no new table
- subscription: adapter buildOmnxtSimnetConfigs + base64 buildOmnxtProtocolLinks + OmnXT SimNet application (migration 02161)
- UA gating: hide experimental protocols from non first-party clients (download + JSON node-list)
- admin: normalize simnet on create/update and on GET responses
- tests: 21 simnet unit tests; full suite green
- Add subscribe traffic_limit schema and migration\n- Support traffic_limit in admin create/update and list/details\n- Apply traffic_limit when building server user list speed limits\n- Add public user traffic stats API
- Node group CRUD operations with traffic-based filtering
- Three grouping modes: average distribution, subscription-based, and traffic-based
- Automatic and manual group recalculation with history tracking
- Group assignment preview before applying changes
- User subscription group locking to prevent automatic reassignment
- Subscribe-to-group mapping configuration
- Group calculation history and detailed reports
- System configuration for group management (enabled/mode/auto_create)
Database:
- Add node_group table for group definitions
- Add group_history and group_history_detail tables for tracking
- Add node_group_ids (JSON) to nodes and subscribe tables
- Add node_group_id and group_locked fields to user_subscribe table
- Add migration files for schema changes