41 lines
1.3 KiB
Markdown
41 lines
1.3 KiB
Markdown
---
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model: gpt-5.6-sol
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provider: openai
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service: opencode
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session: 24fb9765-a550-4570-8350-f0fc9b7e17db
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timestamp: 2026-07-29T03:41:06Z
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git_ref: 922a5df8
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scope: code
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substantive: true
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raw_file: 20260729T034106Z_922a5df8_prompt_io.raw.md
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---
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## Prompt
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Diagnose the live IB reverse-fill failure where
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`reqHistoricalDataAsync()` raised API error 10314 because its end date,
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time, or timezone was invalid.
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## Response summary
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Traced the failure to `Client.bars()`, where an unfinished EST conversion
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left the original datetime for `ib_async` to serialize as
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`YYYYMMDD HH:MM:SS UTC`. Converted aware boundaries explicitly to UTC and
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passed IB's accepted `YYYYMMDD-HH:MM:SS` string while retaining a blank
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latest-request boundary. Added exact request-argument regressions.
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## Files changed
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- `piker/brokers/ib/api.py` - explicit UTC-dash history boundary format
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- `tests/test_ib_history.py` - IB request-format regressions
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- `.claude/skills/run-tests/test-harness-reference.md`
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- deterministic IB history test mapping
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- `ai/prompt-io/opencode/20260729T034106Z_922a5df8_prompt_io.raw.md`
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- unedited response record
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- `ai/prompt-io/opencode/20260729T034106Z_922a5df8_prompt_io.md`
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- provenance metadata and response summary
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## Human edits
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None - generated changes have not been edited by the human.
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