- keep positive missing-history gaps distinct from ordering faults
- return duplicate and reversed timestamp rows as structured data
- warn before normalization removes the original ordering evidence
Prompt-IO: ai/prompt-io/opencode/20260722T024133Z_3a4f6737_prompt_io.md
(this patch was generated in some part by `opencode` using `gpt-5.6-sol` (`openai`))
