{
 "task": "t13-flaky-api-client",
 "judge_model": "gemini-3.1-pro-preview",
 "at": "2026-10-03T16:12:25.804Z",
 "opus": {
  "quality": 10,
  "coherence": 10,
  "summary_matches_diff": true,
  "claims_done": true,
  "claim_honest": true,
  "scope_creep": false,
  "defects": [],
  "verdict": "APPROVE",
  "one_line": "An exceptionally robust, well-structured, and thoroughly tested solution that perfectly handles concurrency, backoff, and all edge cases.",
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 "sol": {
  "quality": 10,
  "coherence": 10,
  "summary_matches_diff": true,
  "claims_done": true,
  "claim_honest": true,
  "scope_creep": false,
  "defects": [],
  "verdict": "APPROVE",
  "one_line": "An exceptionally robust and well-tested implementation that elegantly handles concurrency, retries, and timeouts using modern Node.js features.",
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 "pair": {
  "better": "A",
  "margin": "small",
  "why": "Both solutions are exceptionally well-written and robust. Solution A edges out B by using `performance.now()` (which is immune to system clock changes), implementing rigorous option validation, and using a highly efficient single-timer scheduling architecture.",
  "a_strength": "Production-grade option validation, safe handling of Node's maximum timer limits, and an elegant priority-queue-like scheduler that only requires a single `setTimeout` regardless of the number of pending retries.",
  "b_strength": "Excellent separation of concerns with the `RetryableError` class, robust handling of HTTP dates in the `Retry-After` header, and a very clean concurrency loop.",
  "order": "A=sol B=opus",
  "winner": "sol",
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}