Extend ALL_PERMISSIONS_MASK, PERMISSION_META, maskToPermissionView, and
viewToMask so guild role UI and RPC payloads can grant or deny VIEW_CHANNEL
alongside existing send and voice bits.
Co-authored-by: Cursor <[email protected]>
Reserve lurker name for custom roles and expose read-only Lurker template
in builtinRoleTemplates() for server settings parity display.
Co-authored-by: Cursor <[email protected]>