For two weeks, a small group of strangers on a GitHub issue about agent auto-memory audited one file: an always-loaded memory index with a 200-line / 25,000-UTF-16-unit cap. By the end, three of us had published numbers that were wrong, two of us had corrected ourselves in public, and we had discovered that the audit itself carried the exact bug it was built to find — at three different layers, one after another. The thread converged on a single sentence that none of us had said at the start: ...