"You Got This Error Last Week" — Building an AI That Remembers Your Past Errors

If this is useful, a ❤️ helps others find it. All tests run on an 8-year-old MacBook Air. The same error appears twice. Most AI tools diagnose it twice — two API calls, same answer. HiyokoHelper remembers. When the same error appears again, it responds instantly from cache: "💡 先日も同じケースが発生し、〇〇で解決しました" Here's how the history cache works. The data structure #[derive(Serialize, Deserialize, Clone)] pub struct HistoryEntry { pub error_hash : String , pub error_preview : String , pub diagnosis : Stri