Gud Boi ce33deb6b9 Use IB UTC syntax for history `endDateTime` ... Serialize aware reverse-fill boundaries as `YYYYMMDD-HH:MM:SS` before handing them to `ib_async`. This avoids Gateway error 10314 from its trailing-`UTC` format and drops the unfinished EST comparison breakpoint from `Client.bars()`. Prompt-IO: ai/prompt-io/opencode/20260729T034106Z_922a5df8_prompt_io.md (this patch was generated in some part by `opencode` using `gpt-5.6-sol` (`openai`))		2026-07-28 23:44:15 -04:00
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test-harness-reference.md	Use IB UTC syntax for history `endDateTime`	2026-07-28 23:44:15 -04:00