Search sport entities (venues, teams, athletes, coaches, staff, competitions, countries) with optional filters. Team, athlete and coach entities use content_type COMPETITOR and are returned with their full data payload. Team and athlete documents may include a history array of per-season snapshots (season_id, related, assets); team related may include coaching entries (COACH / ASSISTANT_COACH / FITNESS_COACH / GOALKEEPERS_COACH) referencing coach ids in {sport}:coach:{id} format, and support staff entries (ANALYST / DOCTOR / PHYSIOTHERAPIST / MASSEUR / KIT_MANAGER / ADMINISTRATOR / TEAM_MANAGER / TRANSLATOR / VIDEOGRAPHER) referencing staff ids in {sport}:staff:{id} format.
Caching: 10 minutes. Can be configured in Management Portal by going to Features -> Cache TTL
