{
  "generated_at": "2026-09-07T17:35:34.161627+00:00",
  "scope": "Tempo MPP workflow measurements, including original music generation and earlier travel experiments.",
  "summary": {
    "paid_requests": 17,
    "paid_requests_with_wall_measurement": 16,
    "measured_paid_request_wall_seconds": 92.982,
    "all_recorded_wall_seconds": 94.627,
    "known_service_cost_usdc_e": 0.6531,
    "flight_wall_seconds": 35.71,
    "flight_provider_seconds": 18.58,
    "flight_unattributed_difference_seconds": 17.13
  },
  "calls": [
    {
      "id": "exa-paid",
      "service": "Exa",
      "operation": "Search: one documentation result",
      "kind": "paid_request",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0.007,
      "outcome": "success",
      "evidence": [
        "exa-paid.json",
        "exa-paid-meta.json"
      ],
      "notes": [
        "Paid metadata describes initial 402; not total duration."
      ],
      "initial_response_seconds": 0.278
    },
    {
      "id": "browserbase-paid",
      "service": "Browserbase",
      "operation": "Fetch example.com",
      "kind": "paid_request",
      "wall_seconds": 2.535,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0.01,
      "outcome": "success",
      "evidence": [
        "browserbase-paid-timing.json",
        "browserbase-paid.json"
      ],
      "notes": [],
      "initial_response_seconds": null
    },
    {
      "id": "rpc-chain",
      "service": "Tempo RPC",
      "operation": "eth_chainId; first session call",
      "kind": "paid_request",
      "wall_seconds": 5.424,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0.001,
      "outcome": "success",
      "evidence": [
        "rpc-chain-timing.json",
        "rpc-chain-response.txt"
      ],
      "notes": [],
      "initial_response_seconds": null
    },
    {
      "id": "rpc-block",
      "service": "Tempo RPC",
      "operation": "eth_blockNumber; reuse same session",
      "kind": "paid_request",
      "wall_seconds": 0.887,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0.001,
      "outcome": "success",
      "evidence": [
        "rpc-block-timing.json",
        "rpc-block-response.txt"
      ],
      "notes": [],
      "initial_response_seconds": null
    },
    {
      "id": "embeddings-paid",
      "service": "OpenAI",
      "operation": "Embedding; eight dimensions",
      "kind": "paid_request",
      "wall_seconds": 5.067,
      "provider_seconds": 0.067,
      "unattributed_difference_seconds": 5.0,
      "service_cost_usdc_e": 0.0001,
      "outcome": "success",
      "evidence": [
        "embeddings-paid-timing.json",
        "embeddings-paid-response.txt"
      ],
      "notes": [
        "Provider time is openai-processing-ms header."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "flight-barcelona",
      "service": "SerpApi",
      "operation": "Google Flights LIS \u2192 BCN; 2026-09-18 to 2026-09-21; initial round-trip search",
      "kind": "paid_request",
      "wall_seconds": 5.6,
      "provider_seconds": 3.65,
      "unattributed_difference_seconds": 1.95,
      "service_cost_usdc_e": 0.015,
      "outcome": "Success",
      "evidence": [
        "barcelona-query.json",
        "barcelona.json"
      ],
      "notes": [
        "Price is directory/challenge rate; no individual payment receipt in supplied flight files.",
        "Provider timing field total_time_taken; its instrumentation boundary is not independently verified."
      ],
      "initial_response_seconds": null,
      "retrieved_at": "2026-09-07T15:51:13.728534+00:00"
    },
    {
      "id": "flight-madeira",
      "service": "SerpApi",
      "operation": "Google Flights LIS \u2192 FNC; 2026-09-18 to 2026-09-21; initial round-trip search",
      "kind": "paid_request",
      "wall_seconds": 5.25,
      "provider_seconds": 1.8,
      "unattributed_difference_seconds": 3.45,
      "service_cost_usdc_e": 0.015,
      "outcome": "Success",
      "evidence": [
        "madeira-query.json",
        "madeira.json"
      ],
      "notes": [
        "Price is directory/challenge rate; no individual payment receipt in supplied flight files.",
        "Provider timing field total_time_taken; its instrumentation boundary is not independently verified."
      ],
      "initial_response_seconds": null,
      "retrieved_at": "2026-09-07T15:51:35.979080+00:00"
    },
    {
      "id": "flight-madrid",
      "service": "SerpApi",
      "operation": "Google Flights LIS \u2192 MAD; 2026-09-18 to 2026-09-21; initial round-trip search",
      "kind": "paid_request",
      "wall_seconds": 7.87,
      "provider_seconds": 4.31,
      "unattributed_difference_seconds": 3.56,
      "service_cost_usdc_e": 0.015,
      "outcome": "Success",
      "evidence": [
        "madrid-query.json",
        "madrid.json"
      ],
      "notes": [
        "Price is directory/challenge rate; no individual payment receipt in supplied flight files.",
        "Provider timing field total_time_taken; its instrumentation boundary is not independently verified."
      ],
      "initial_response_seconds": null,
      "retrieved_at": "2026-09-07T15:50:32.965822+00:00"
    },
    {
      "id": "flight-marrakech",
      "service": "SerpApi",
      "operation": "Google Flights LIS \u2192 RAK; 2026-09-18 to 2026-09-21; initial round-trip search",
      "kind": "paid_request",
      "wall_seconds": 4.71,
      "provider_seconds": 3.18,
      "unattributed_difference_seconds": 1.53,
      "service_cost_usdc_e": 0.015,
      "outcome": "Success",
      "evidence": [
        "marrakech-query.json",
        "marrakech.json"
      ],
      "notes": [
        "Price is directory/challenge rate; no individual payment receipt in supplied flight files.",
        "Provider timing field total_time_taken; its instrumentation boundary is not independently verified."
      ],
      "initial_response_seconds": null,
      "retrieved_at": "2026-09-07T15:51:30.726780+00:00"
    },
    {
      "id": "flight-paris",
      "service": "SerpApi",
      "operation": "Google Flights LIS \u2192 CDG,ORY; 2026-09-18 to 2026-09-21; initial round-trip search",
      "kind": "paid_request",
      "wall_seconds": 6.08,
      "provider_seconds": 2.76,
      "unattributed_difference_seconds": 3.32,
      "service_cost_usdc_e": 0.015,
      "outcome": "Success",
      "evidence": [
        "paris-query.json",
        "paris.json"
      ],
      "notes": [
        "Price is directory/challenge rate; no individual payment receipt in supplied flight files.",
        "Provider timing field total_time_taken; its instrumentation boundary is not independently verified."
      ],
      "initial_response_seconds": null,
      "retrieved_at": "2026-09-07T15:51:19.814248+00:00"
    },
    {
      "id": "flight-rome",
      "service": "SerpApi",
      "operation": "Google Flights LIS \u2192 FCO; 2026-09-18 to 2026-09-21; initial round-trip search",
      "kind": "paid_request",
      "wall_seconds": 6.2,
      "provider_seconds": 2.88,
      "unattributed_difference_seconds": 3.32,
      "service_cost_usdc_e": 0.015,
      "outcome": "Success",
      "evidence": [
        "rome-query.json",
        "rome.json"
      ],
      "notes": [
        "Price is directory/challenge rate; no individual payment receipt in supplied flight files.",
        "Provider timing field total_time_taken; its instrumentation boundary is not independently verified."
      ],
      "initial_response_seconds": null,
      "retrieved_at": "2026-09-07T15:51:26.011849+00:00"
    },
    {
      "id": "exa-dry",
      "service": "Exa",
      "operation": "Search preview",
      "kind": "preview",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0,
      "outcome": "payment challenge returned; preview only",
      "evidence": [
        "exa-meta.json"
      ],
      "notes": [
        "No end-to-end wall measurement available."
      ],
      "initial_response_seconds": 0.258
    },
    {
      "id": "browserbase-dry",
      "service": "Browserbase",
      "operation": "Fetch preview",
      "kind": "preview",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0,
      "outcome": "payment challenge returned; preview only",
      "evidence": [
        "browserbase-dry-meta.json"
      ],
      "notes": [
        "No end-to-end wall measurement available."
      ],
      "initial_response_seconds": 1.183
    },
    {
      "id": "rpc-dry",
      "service": "Tempo RPC",
      "operation": "RPC preview",
      "kind": "preview",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0,
      "outcome": "payment challenge returned; preview only",
      "evidence": [
        "rpc-dry.json"
      ],
      "notes": [
        "No end-to-end wall measurement available."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "rpc-dry-toon",
      "service": "Tempo RPC",
      "operation": "RPC preview with TOON flag",
      "kind": "preview",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0,
      "outcome": "payment challenge returned; preview only",
      "evidence": [
        "rpc-dry-toon.txt"
      ],
      "notes": [
        "No end-to-end wall measurement available."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "embeddings-dry",
      "service": "OpenAI",
      "operation": "Embedding preview",
      "kind": "preview",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0,
      "outcome": "payment challenge returned; preview only",
      "evidence": [
        "embeddings-dry.json"
      ],
      "notes": [
        "No end-to-end wall measurement available."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "flight-dry",
      "service": "SerpApi",
      "operation": "Google Flights preview",
      "kind": "preview",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0,
      "outcome": "payment challenge returned; preview only",
      "evidence": [
        "flight-dry.json"
      ],
      "notes": [
        "No end-to-end wall measurement available."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "rpc-close",
      "service": "Tempo wallet",
      "operation": "Request targeted session close",
      "kind": "session_management",
      "wall_seconds": 1.645,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": null,
      "outcome": "pending; 900-second protocol grace period",
      "evidence": [
        "rpc-close.json",
        "feedback.md"
      ],
      "notes": [
        "Wall measurement transcribed from QA feedback; no standalone timing file.",
        "Network fee not quantified; reserved deposit is not service cost; grace period is not request latency."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "rpc-cooperative-close",
      "service": "Tempo wallet",
      "operation": "Attempt cooperative session close",
      "kind": "session_management",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": null,
      "outcome": "failed: signer prerequisite; CLI exit 0",
      "evidence": [
        "rpc-cooperative-close.txt",
        "feedback.md"
      ],
      "notes": [
        "Feedback says under one second, not precisely instrumented; excluded from timing sum."
      ],
      "initial_response_seconds": null
    },
    {
      "id": "sessions-sync",
      "service": "Tempo wallet",
      "operation": "Reconcile sessions",
      "kind": "session_management",
      "wall_seconds": null,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": null,
      "outcome": "completed",
      "evidence": [
        "sessions-sync.txt"
      ],
      "notes": [],
      "initial_response_seconds": null
    },
    {
      "id": "metal-generation",
      "service": "Stability AI",
      "operation": "Metal audio generation",
      "kind": "paid_request",
      "wall_seconds": 7.341,
      "provider_seconds": null,
      "service_cost_usdc_e": 0.23,
      "outcome": "success"
    },
    {
      "id": "glass-generation",
      "service": "Stability AI",
      "operation": "Glass audio generation",
      "kind": "paid_request",
      "wall_seconds": 7.518,
      "provider_seconds": null,
      "service_cost_usdc_e": 0.23,
      "outcome": "success"
    },
    {
      "id": "deepgram-voice",
      "service": "Deepgram",
      "operation": "Protocol voice tag",
      "kind": "paid_request",
      "wall_seconds": 5.089,
      "provider_seconds": null,
      "service_cost_usdc_e": 0.023,
      "outcome": "success"
    },
    {
      "id": "stability-panel",
      "service": "Stability AI",
      "operation": "Charcoal panel texture",
      "kind": "paid_request",
      "wall_seconds": 14.101,
      "provider_seconds": null,
      "service_cost_usdc_e": 0.034,
      "outcome": "success"
    },
    {
      "id": "deepgram-models",
      "service": "Deepgram",
      "operation": "List voice and transcription models",
      "kind": "paid_request",
      "wall_seconds": 4.647,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0.004,
      "outcome": "success",
      "notes": [
        "445 transcription and 102 voice models returned."
      ]
    },
    {
      "id": "deepgram-desk-voice",
      "service": "Deepgram",
      "operation": "Browser purchase: Party protocol engaged voice tag",
      "kind": "paid_request",
      "wall_seconds": 4.663,
      "provider_seconds": null,
      "unattributed_difference_seconds": null,
      "service_cost_usdc_e": 0.023,
      "outcome": "success",
      "notes": [
        "Unpaid preview: 1.255s. Provider receipt reports success; browser automation duration is excluded."
      ]
    }
  ],
  "limitations": [
    "Snapshot of request artifacts available in the two supplied directories; not an exhaustive command or network trace. Documentation fetches, discovery, help, wallet reads and installation lack a complete per-call inventory/timing and are excluded from numeric totals.",
    "An early findings note mentions a second Exa preview; another preview may have occurred without separate evidence, so the ledger does not invent its timing or count.",
    "Summed wall durations measure accumulated call time, not elapsed project time. Exa paid time and untimed operations mean no complete overall duration is available.",
    "No wallet IDs, account balances, authentication/payment headers, receipts or provider search tokens are copied.",
    "Provider subtraction is descriptive: boundaries differ and remainder may include CLI startup, network, proxy, challenge/payment processing, retries and response transfer. It is not a payment latency measurement.",
    "Samples are individual observations, not a benchmark. Known service costs exclude network fees; deposits are reserves. Wallet pending key label is not classified as broken."
  ],
  "performance_questions": [
    "Can CLI telemetry expose end-to-end and per-stage timings (startup, initial challenge, signing/payment, retry, upstream, body download), with metadata written from the final response?",
    "Across repeated matched requests, what explains SerpApi differences of 1.53\u20133.56 seconds and the embedding difference of 5.000 seconds between total and provider timing? Measure cache state and provider timing boundaries.",
    "Does the first-session versus reused-session difference persist across repeated samples, and how much comes from session setup versus network/provider variance? Current observations are 5.424 versus 0.887 seconds and are not causal evidence."
  ]
}