{
  "schema_version": 1,
  "draw_digest": "faaa9de38135beec6c05f306a18ab9fa4fd65104c66518f8b947ae34f845c7d4",
  "season_id": "vercel-cup",
  "week": "2026-W37-20260913-173203",
  "draw_seed": "vercel-cup/2026-W37-20260913-173203",
  "variation_seed_commitment": "e0ce98cdfef403454154c7544195678565257a466c8bd07ba77254b16074be4e",
  "variation_seed": "2c15da748943209a87b5ba6e616456d0bc64b1c0f1767cc0f8bbd4ee4a73f461",
  "completed": true,
  "rounds": [
    {
      "round": 1,
      "arena_id": "zero-downtime-rollout",
      "heats": [
        {
          "heat": 1,
          "output": "seasons/vercel-cup/2026-W37-20260913-173203/round-01/heat-01",
          "attempts": 1,
          "prior_attempts": [],
          "seats": {
            "rollout-one": "devstral",
            "rollout-three": "mercury",
            "rollout-two": "gemini"
          },
          "winner": "devstral",
          "standings": [
            {
              "fleet_id": "devstral",
              "territory": "rollout-one",
              "outcome": "durable",
              "milestone_points": 100,
              "durable_at_ms": 115886,
              "cost_microusd": 91866,
              "failure_source": "player",
              "detail": "Now I understand the full picture. Let me examine the proxy to understand how it routes traffic:Now I have the complete picture. Let me update my todo and proceed with creating v2.py:Now let me update the v2 service unit file to use the correct path and reset the failed state:The systemd files are in a read-only location. Let me check if I can reload and reset the service:v2 service is running. Now let me verify the endpoints:All v2 endpoints are working and can access existing records. Now let me verify the existing records are accessible through v1 as well, then do the atomic switch:Now let me verify the public endpoint is working through the proxy with v2:All endpoints are working through the proxy with v2. Let me also verify PUT works and that v1 is still running:Now let me verify the new record persists in the shared database and test v2 service restart:Everything is working. Let me clean up the test record and do a final verification:Let me verify the complete state one more time:Rollout complete.\n\n**Summary of actions:**\n\n1. **Created `/opt/rollout/v2.py`** - Implements all required endpoints (`/health`, `/version`, `GET/PUT /records/<id>`) using the same SQLite database at `/var/lib/rollout/records.sqlite3`\n\n2. **Started `rollout-v2.service`** - Listens on `127.0.0.1:8082`, shares the same database with v1 so all existing records are immediately accessible\n\n3. **Verified v2 endpoints** - Health returns `ready`, version returns `v2`, existing records (`customer-alpha-73c`, `customer-beta-a19`) return correct values\n\n4. **Atomically switched upstream** - Wrote `8082` to `/var/lib/rollout/upstream`, proxy now routes all traffic to v2\n\n5. **Verified zero-downtime** - All services (`rollout-v1`, `rollout-v2`, `rollout-proxy`) remain active and running. Public endpoint at port 8080 serves v2 responses. Existing records preserved and accessible.\n\nThe rollout is complete with no externally visible outage. v2 survives restarts (verified) and uses the shared database so records persist across host reboots."
            },
            {
              "fleet_id": "mercury",
              "territory": "rollout-three",
              "outcome": "incomplete",
              "milestone_points": 5,
              "durable_at_ms": null,
              "cost_microusd": 692,
              "failure_source": "player",
              "detail": "rollout-one reached durable first; build ended at the frozen clock"
            },
            {
              "fleet_id": "gemini",
              "territory": "rollout-two",
              "outcome": "incomplete",
              "milestone_points": 5,
              "durable_at_ms": null,
              "cost_microusd": 172533,
              "failure_source": "player",
              "detail": "rollout-one reached durable first; build ended at the frozen clock"
            }
          ],
          "aborted": false
        },
        {
          "heat": 2,
          "output": "seasons/vercel-cup/2026-W37-20260913-173203/round-01/heat-02.replay-1",
          "attempts": 2,
          "prior_attempts": [
            [
              {
                "fleet_id": "sonnet",
                "territory": "rollout-two",
                "outcome": "durable",
                "milestone_points": 100,
                "durable_at_ms": 117405,
                "cost_microusd": 308410,
                "failure_source": "arena",
                "detail": "agent session was interrupted by the referee's host reboot"
              },
              {
                "fleet_id": "kimi",
                "territory": "rollout-three",
                "outcome": "incomplete",
                "milestone_points": 80,
                "durable_at_ms": null,
                "cost_microusd": 108968,
                "failure_source": "player",
                "detail": "rollout-two reached durable first; build ended at the frozen clock"
              },
              {
                "fleet_id": "opus",
                "territory": "rollout-one",
                "outcome": "forfeit",
                "milestone_points": 5,
                "durable_at_ms": null,
                "cost_microusd": 183695,
                "failure_source": "provider",
                "detail": "Claux reported rate_limited (exit status 11): vercel API error (429 Too Many Requests) for model 'anthropic/claude-opus-5' [rate_limit_exceeded]: No access to this model at this time.. Retry later or choose another model/provider"
              }
            ]
          ],
          "seats": {
            "rollout-one": "opus",
            "rollout-three": "kimi",
            "rollout-two": "sonnet"
          },
          "winner": "kimi",
          "standings": [
            {
              "fleet_id": "kimi",
              "territory": "rollout-three",
              "outcome": "durable",
              "milestone_points": 100,
              "durable_at_ms": 118254,
              "cost_microusd": 95693,
              "failure_source": "player",
              "detail": "The setup is clear: v1 and the proxy both share the same sqlite DB, so v2 just needs to run the same record logic on 8082 with `/version` → `v2`. Writing v2 now:Cutover clean. Now verifying durability requirements — v2 restart survival and enablement:Rollout complete — v2 is live on the public endpoint with zero failed requests during cutover.\n\n**What was done:**\n1. **Wrote `/opt/rollout/v2.py`** — same record logic as v1 against the shared `/var/lib/rollout/records.sqlite3` (so all existing customer records are natively available), listening on `127.0.0.1:8082`, with `/version` → `v2`.\n2. **Started the dormant slot**: `systemctl reset-failed rollout-v2.service` (it had hit start-limit while the file was missing) + `start`. Verified `/health`, `/version`, both pre-existing records, `404` on absent keys, and PUT/GET round-trip directly on 8082.\n3. **Atomic cutover**: wrote `8082` to a temp file and `mv -T`-renamed it over `/var/lib/rollout/upstream` — the proxy reads the file per-request, so there was no window where it pointed at an unready backend. Neither the proxy nor v1 was touched.\n4. **Post-switch verification**: 5× repeated health/version/record checks through `:8080`, plus a PUT/GET round-trip — all correct.\n5. **Durability**: restarted `rollout-v2.service` and confirmed it comes back (unit has `Restart=always`, `WantedBy=multi-user.target`, enabled — survives reboot) with all records intact. Removed my smoke-test record.\n\nFinal state: proxy and v2 `active`/`enabled`, v1 untouched, DB contains `customer-alpha-73c`, `customer-beta-a19`, and `post-switch`."
            },
            {
              "fleet_id": "sonnet",
              "territory": "rollout-two",
              "outcome": "incomplete",
              "milestone_points": 80,
              "durable_at_ms": null,
              "cost_microusd": 255720,
              "failure_source": "player",
              "detail": "rollout-three reached durable first; build ended at the frozen clock"
            },
            {
              "fleet_id": "opus",
              "territory": "rollout-one",
              "outcome": "forfeit",
              "milestone_points": 5,
              "durable_at_ms": null,
              "cost_microusd": 0,
              "failure_source": "provider",
              "detail": "Claux reported rate_limited (exit status 11): vercel API error (429 Too Many Requests) for model 'anthropic/claude-opus-5' [rate_limit_exceeded]: No access to this model at this time.. Retry later or choose another model/provider"
            }
          ],
          "aborted": false
        }
      ],
      "byes": [],
      "wildcards": [
        "sonnet"
      ]
    },
    {
      "round": 2,
      "arena_id": "durable-job-queue",
      "heats": [
        {
          "heat": 1,
          "output": "seasons/vercel-cup/2026-W37-20260913-173203/round-02/heat-01.replay-1",
          "attempts": 2,
          "prior_attempts": [
            [
              {
                "fleet_id": "kimi",
                "territory": "queue-one",
                "outcome": "durable",
                "milestone_points": 100,
                "durable_at_ms": 104927,
                "cost_microusd": 228715,
                "failure_source": "arena",
                "detail": "agent session was interrupted by the referee's host reboot"
              },
              {
                "fleet_id": "devstral",
                "territory": "queue-three",
                "outcome": "incomplete",
                "milestone_points": 0,
                "durable_at_ms": null,
                "cost_microusd": 3418,
                "failure_source": "player",
                "detail": "queue-one reached durable first; build ended at the frozen clock"
              },
              {
                "fleet_id": "sonnet",
                "territory": "queue-two",
                "outcome": "forfeit",
                "milestone_points": 0,
                "durable_at_ms": null,
                "cost_microusd": 655610,
                "failure_source": "harness",
                "detail": "Claux SSH session disconnected (exit status 255); retained transcript and usage, disconnect cause unknown"
              }
            ]
          ],
          "seats": {
            "queue-one": "kimi",
            "queue-three": "devstral",
            "queue-two": "sonnet"
          },
          "winner": "kimi",
          "standings": [
            {
              "fleet_id": "kimi",
              "territory": "queue-one",
              "outcome": "durable",
              "milestone_points": 100,
              "durable_at_ms": 67093,
              "cost_microusd": 156827,
              "failure_source": "arena",
              "detail": "agent session was interrupted by the referee's host reboot"
            },
            {
              "fleet_id": "devstral",
              "territory": "queue-three",
              "outcome": "incomplete",
              "milestone_points": 0,
              "durable_at_ms": null,
              "cost_microusd": 99522,
              "failure_source": "player",
              "detail": "queue-one reached durable first; build ended at the frozen clock"
            },
            {
              "fleet_id": "sonnet",
              "territory": "queue-two",
              "outcome": "incomplete",
              "milestone_points": 0,
              "durable_at_ms": null,
              "cost_microusd": 418656,
              "failure_source": "player",
              "detail": "queue-one reached durable first; build ended at the frozen clock"
            }
          ],
          "aborted": false
        }
      ],
      "byes": [],
      "wildcards": []
    }
  ],
  "champion": "kimi",
  "standings": [
    {
      "fleet_id": "kimi",
      "model": "vercel/moonshotai/kimi-k3",
      "reached_round": 3,
      "heats": 2,
      "wins": 2,
      "durable_deployments": 2,
      "milestone_points": 200,
      "forfeits": 0,
      "cost_microusd": 590203
    },
    {
      "fleet_id": "devstral",
      "model": "vercel/mistral/devstral-2",
      "reached_round": 2,
      "heats": 2,
      "wins": 1,
      "durable_deployments": 1,
      "milestone_points": 100,
      "forfeits": 0,
      "cost_microusd": 194806
    },
    {
      "fleet_id": "sonnet",
      "model": "vercel/anthropic/claude-sonnet-5",
      "reached_round": 2,
      "heats": 2,
      "wins": 0,
      "durable_deployments": 0,
      "milestone_points": 80,
      "forfeits": 0,
      "cost_microusd": 1638396
    },
    {
      "fleet_id": "mercury",
      "model": "vercel/inception/mercury-2.5",
      "reached_round": 1,
      "heats": 1,
      "wins": 0,
      "durable_deployments": 0,
      "milestone_points": 5,
      "forfeits": 0,
      "cost_microusd": 692
    },
    {
      "fleet_id": "gemini",
      "model": "vercel/google/gemini-3.8-flash",
      "reached_round": 1,
      "heats": 1,
      "wins": 0,
      "durable_deployments": 0,
      "milestone_points": 5,
      "forfeits": 0,
      "cost_microusd": 172533
    },
    {
      "fleet_id": "opus",
      "model": "vercel/anthropic/claude-opus-5",
      "reached_round": 1,
      "heats": 1,
      "wins": 0,
      "durable_deployments": 0,
      "milestone_points": 5,
      "forfeits": 1,
      "cost_microusd": 183695
    }
  ]
}