One-shot envelope of every knowledge analytics pipe

curl --request GET \
  --url https://api-sandbox.featherhq.com/v1/analytics/knowledge/dashboard \
  --header 'x-api-key: <api-key>'

{
  "adoption": [
    {
      "knowledge_base_id": "<string>",
      "documents_active": 123,
      "documents_failed": 123,
      "documents_attempted": 123,
      "adoption_rate_pct": 123,
      "unique_documents": 123
    }
  ],
  "ingestion": [
    {
      "time_bucket": "2023-11-07T05:31:56Z",
      "created": 123,
      "completed": 123,
      "failed": 123,
      "success_rate_pct": 123
    }
  ],
  "latency": [
    {
      "time_bucket": "2023-11-07T05:31:56Z",
      "terminal_events": 123,
      "p50_ms": 123,
      "p90_ms": 123,
      "p95_ms": 123,
      "p99_ms": 123,
      "avg_ms": 123,
      "max_ms": 123
    }
  ],
  "cleanup": [
    {
      "time_bucket": "2023-11-07T05:31:56Z",
      "failed": 123,
      "archived": 123,
      "cleaned_up": 123,
      "recovered": 123,
      "net_unrecovered_failures": 123,
      "cleanup_rate_pct": 123
    }
  ],
  "retrieval": [
    {
      "time_bucket": "2023-11-07T05:31:56Z",
      "total": 123,
      "hits": 123,
      "misses": 123,
      "reranked": 123,
      "errors": 123,
      "hit_rate_pct": 123,
      "avg_results": 123,
      "avg_duration_ms": 123,
      "p50_ms": 123,
      "p90_ms": 123,
      "p95_ms": 123,
      "p99_ms": 123
    }
  ],
  "inventory": {
    "summary": {
      "total_documents": 123,
      "total_chunks": 123,
      "total_tokens": 123,
      "normalized_pct": 123,
      "documents_failed_now": 123,
      "documents_processing_now": 123,
      "knowledge_bases_count": 123
    },
    "by_source_type": [
      {
        "source_type": "<string>",
        "documents": 123,
        "chunks": 123,
        "tokens": 123
      }
    ],
    "by_hash_method": [
      {
        "hash_method": "<string>",
        "documents": 123,
        "chunks": 123,
        "tokens": 123
      }
    ],
    "growth": {
      "created_24h": 123,
      "created_7d": 123,
      "created_30d": 123,
      "failed_7d": 123,
      "cleaned_up_7d": 123
    }
  },
  "freshness": [
    {
      "knowledge_base_source_id": "<string>",
      "knowledge_base_id": "<string>",
      "provider": "<string>",
      "last_status": "<string>",
      "last_event_type": "<string>",
      "last_items_processed": 123,
      "last_items_succeeded": 123,
      "last_items_failed": 123,
      "last_items_unchanged": 123,
      "last_event_at": "2023-11-07T05:31:56Z",
      "time_since_last_event_seconds": 123,
      "last_sync_started_at": "2023-11-07T05:31:56Z",
      "last_sync_completed_at": "2023-11-07T05:31:56Z",
      "last_duration_ms": 123,
      "last_error_message": "<string>"
    }
  ]
}