One Input Box, Two AI Modes — Detecting Whether the User Wants Error Help or Command Explanation

If this is useful, a ❤️ helps others find it. All tests run on an 8-year-old MacBook Air. HiyokoHelper has one input box but handles two completely different use cases: Error diagnosis — "Why did this fail and how do I fix it?" Command explanation — "What does this command actually do?" The user doe