{"window_hours": 24, "total_calls": 40, "errors": 9, "unique_clients": 1, "keyed_calls": 0, "active_keys": 0, "top_tools": [{"tool": "btc_address_summary", "calls": 7, "avg_ms": 10530}, {"tool": "list_chains", "calls": 4, "avg_ms": 52}, {"tool": "zec_chain_info", "calls": 3, "avg_ms": 73}, {"tool": "chain_status", "calls": 3, "avg_ms": 4}, {"tool": "btc_mempool_summary", "calls": 3, "avg_ms": 35}, {"tool": "btc_fee_estimates", "calls": 3, "avg_ms": 17}, {"tool": "zec_recent_blocks", "calls": 2, "avg_ms": 50}, {"tool": "xmr_tx_lookup", "calls": 2, "avg_ms": 58}, {"tool": "xmr_last_block", "calls": 2, "avg_ms": 2}, {"tool": "xmr_fee_estimate", "calls": 2, "avg_ms": 51}, {"tool": "robotbase_services", "calls": 2, "avg_ms": 1}, {"tool": "btc_tx_lookup", "calls": 2, "avg_ms": 56}, {"tool": "xmr_node_info", "calls": 1, "avg_ms": 2}, {"tool": "xmr_mempool_stats", "calls": 1, "avg_ms": 4}, {"tool": "utxo_chain_status", "calls": 1, "avg_ms": 2}]}