What Happened Use this skill when the user wants a provenance-focused explanation for a code block. Supported inputs: - - - plus a pasted code snippet from that file If the user asks a vague provenance question without a file path, line range, or pasted snippet, ask for the target code and stop without running commands or using the header. Goal Find the most recent change blocks matching the user's target lines, list the matching commit hashes and checkpoint state, then summarize why each block was changed using the best available context. When checkpoint-backed context is unavailable, still…