Deats,
- decode versioned market, OHLCV, quote and failure fixtures
- expose normal symbology, history, search and quote-feed eps
- sequence typed control msgs with snapshots and transcripts
- prove fixture validation and bounded repeatable history
Prompt-IO: ai/prompt-io/opencode/20260903T192742Z_aadfd1cf_prompt_io.md
(this patch was generated in some part by `opencode` using `gpt-5.6-sol` (`openai`))
