41 lines
1.4 KiB
Markdown
41 lines
1.4 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: 2026-07-29T04:17:23Z
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git_ref: ce33deb6
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scope: code
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substantive: true
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raw_file: 20260729T041723Z_ce33deb6_prompt_io.raw.md
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---
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## Prompt
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Diagnose why the chart still showed a zero first OHLCV row after the
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epoch-zero timestamp repair, causing auto-y-ranging to include zero.
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## Response summary
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Audited live 60s and 1s NativeDB files and found one exact 60s first-slot
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sentinel at epoch 60 with a completely zero OHLCV payload. Added narrowly
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scoped read and merge repair, matching incoming validation, sentinel-only
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startup handling, canonical reindexing, and explicit audit classification.
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Preserved modern all-zero bars as unclassified evidence rather than assuming
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all zero-priced instruments are corrupt.
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## Files changed
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- `piker/storage/nativedb.py` - first-slot sentinel repair and validation
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- `piker/storage/_audit.py` - sentinel classification and zero-row evidence
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- `tests/test_storage_nativedb.py` - hydration, merge, and boundary regressions
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- `tests/test_storage_audit.py` - sentinel and modern-zero audit regressions
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- `ai/prompt-io/opencode/20260729T041723Z_ce33deb6_prompt_io.raw.md`
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- unedited response record
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- `ai/prompt-io/opencode/20260729T041723Z_ce33deb6_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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