{
  "sha": "9b51f95ef609a219e211e37b082cd2e6913190e0",
  "model": "deepseek/deepseek-v4-flash",
  "effort": "high",
  "found_per_pass": {
    "agent": 2
  },
  "findings": [
    {
      "path": "services/proxy/src/metrics.rs",
      "start_line": 88,
      "end_line": 88,
      "label": "bug",
      "severity": "medium",
      "explanation": "the order of the two sweep counters in `values()` is swapped relative to `COUNTERS`: `COUNTERS[4]` names `cairn_proxy_sweep_blobs_removed_total` but receives the value of `sweep_bytes_reclaimed`,…\n\nthe order of the two sweep counters in `values()` is swapped relative to `COUNTERS`: `COUNTERS[4]` names `cairn_proxy_sweep_blobs_removed_total` but receives the value of `sweep_bytes_reclaimed`, and `COUNTERS[5]` names `cairn_proxy_sweep_bytes_reclaimed_total` but receives the value of `sweep_blobs_removed`. An operator alerting on these would see blob-counts reported as byte-counts and vice-versa.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/routes/admin.rs",
      "start_line": 76,
      "end_line": 76,
      "label": "bug",
      "severity": "critical",
      "explanation": "calls `app.sweeper.sweep(dry_run)` directly, bypassing `Sweeper::run()` which acquires `self.running` (a `Mutex<()>`) to guarantee the module's \"one sweep at a time\" contract.\n\nThe background sweeper in `main.rs:116` correctly calls `run()`, so a concurrent on-demand sweep and background sweep can run simultaneously, causing each to see a total the other is changing and potentially removing far more blobs than either intended.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    }
  ]
}