Health

Full health response consumed by the RAG3.jsx dashboard.

Shape::

{
  status: "running"|"paused"|"stopped",
  health_score: 0-100,
  chains: [{chain, status, block_number, head_block, lag, rpc_health}],
  pipeline: {stages: [{stage, status, processed, errors, queue_depth,
                       throughput, latency_ms, backpressure, uptime}]},
  queues: {ingest_to_normalize, ...},
  system: {uptime_seconds, total_blocks_processed, total_chunks_indexed,
           total_whale_txs, error_rate_1m, db_pool_size, redis_connected},
  heartbeat: ISO-8601 (when this snapshot was computed),
  stale: bool (any chain past its freshness threshold),
  error_rate: {requests, errors_5xx, ratio, window_seconds}  # rolling 5-min HTTP 5xx
}