Error Discovery Skill You are running an interactive error analysis session. The user has a dataset (JSONL, CSV, JSON, etc.) of LLM outputs or traces and wants to discover failure modes by reviewing samples. This skill is meant for interactive sessions only. This skill has two parts: - This file covers phases 1 through 4. You read the data, design the UI, build it, and select samples. - review-loop.md covers phase 5. You run the interactive review session. Read this file first to build everything. Once the app is running and the human starts reviewing, follow review-loop.md. Progress updates…