{
  "sha": "9b51f95ef609a219e211e37b082cd2e6913190e0",
  "model": "x-ai/grok-4.5",
  "effort": "high",
  "found_per_pass": {
    "agent": 9
  },
  "findings": [
    {
      "path": "services/proxy/src/sweep.rs",
      "start_line": 140,
      "end_line": 140,
      "label": "bug",
      "severity": "critical",
      "explanation": "forget` always deletes index entries after the candidate loop, including when `dry_run` is true, so `POST .../sweep?dry_run=true` still unlinks index files and breaks the “without removing anything”…\n\nforget` always deletes index entries after the candidate loop, including when `dry_run` is true, so `POST .../sweep?dry_run=true` still unlinks index files and breaks the “without removing anything” contract.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/sweep.rs",
      "start_line": 102,
      "end_line": 102,
      "label": "bug",
      "severity": "critical",
      "explanation": "sort_by_key(|c| c.age)` orders ascending duration-since-mtime, so newest blobs are considered first; over-ceiling eviction deletes recent packages and keeps the oldest ones.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/metrics.rs",
      "start_line": 94,
      "end_line": 94,
      "label": "bug",
      "severity": "high",
      "explanation": "values()` emits `sweep_bytes_reclaimed` then `sweep_blobs_removed`, but `COUNTERS` names them in the opposite order, so Prometheus scrapes swap blob-count and byte-total.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/sweep.rs",
      "start_line": 224,
      "end_line": 224,
      "label": "bug",
      "severity": "high",
      "explanation": "clear_partials` unlinks every file under `incoming`, including live `BlobWriter` temps still being fetched, so an in-flight miss can lose its temp mid-write.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/routes/admin.rs",
      "start_line": 76,
      "end_line": 76,
      "label": "bug",
      "severity": "high",
      "explanation": "the admin path calls `sweeper.sweep` and never takes `running`, so it can run concurrently with `run()` and double-count/over-delete against the one-sweep-at-a-time guarantee.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/sweep.rs",
      "start_line": 90,
      "end_line": 90,
      "label": "bug",
      "severity": "high",
      "explanation": "sweep` does blocking recursive FS I/O on the async worker (via `run` and the admin handler) with no `spawn_blocking`, so a large store stalls the proxy event loop.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/main.rs",
      "start_line": 115,
      "end_line": 115,
      "label": "bug",
      "severity": "medium",
      "explanation": "tokio::time::interval` fires its first tick immediately, so the process sweeps on startup despite the comment that the first pass waits one full interval.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/sweep.rs",
      "start_line": 126,
      "end_line": 126,
      "label": "bug",
      "severity": "medium",
      "explanation": "a failed `remove_file` still increments `removed`/`bytes` and adds the digest to `gone`, so metrics over-report and `forget` drops index entries for blobs that are still on disk.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    },
    {
      "path": "services/proxy/src/sweep.rs",
      "start_line": 185,
      "end_line": 185,
      "label": "bug",
      "severity": "medium",
      "explanation": "eviction age uses `modified()` only; cache hits never refresh mtime, so frequently served old blobs look cold and are preferred for removal once the store is over ceiling.",
      "evidence": null,
      "suggested_fix": null,
      "deterministic": false
    }
  ]
}