Tasks

Revert the direct-data and reference-alignment commits while retaining unrelated local-debug fixes.
Add a generic scoped plugin data record model, repository, service, DTO, and HTTP API in Platform.
Add generic collection actions to the plugin-page host and browser API client.
Restore SCUM v57 SQL, config, log, and gift assets in the plugin package.
Rebuild the SCUM plugin page to use only generic collection bridge actions for users, squads, activity, gifts, and map points.
Remove obsolete SCUM-specific Platform/frontend data and gift surfaces that conflict with plugin ownership.
Add focused backend, plugin, and frontend tests; run structure and OpenSpec validation.