search-warehouse

Endpoints:
  POST /api/search                  { "query": "..." }              run a search
  POST /api/invocations             { events: [...] }               ingest invocation events
  GET  /api/leaderboard/options                                     list available leaderboard metrics and windows
  GET  /api/leaderboard             ?metric=...&window=...          paginated leaderboard ranked by metric
  GET  /api/leaderboard/history     ?metric=...&window=...          resource leaderboard history
  GET  /api/leaderboard/merchants   ?metric=...&window=...          merchant leaderboard
  GET  /api/leaderboard/merchants/history ?metric=...&window=...    merchant leaderboard history

Leaderboard endpoints require x-api-key: $LEADERBOARD_API_KEY.