35 lines
1.3 KiB
Markdown
35 lines
1.3 KiB
Markdown
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---
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model: gpt-6
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service: codex
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timestamp: 2026-09-25T19:05:23Z
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git_ref: c0dae89a
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diff_cmd: git diff HEAD~1..HEAD
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---
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## Prompt and generated output
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The user reported a large MNQ 1s startup bar and asked us to ensure
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queued trades are not aggregated into the current timestep when their
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timestamps indicate otherwise. After a direct chart restart and a
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separate pikerd run showed no spike, the user requested the tested fix
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on a separate worktree branch based on `ib_connectivity_harden`, then
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requested `$commit-plan`.
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> `git diff HEAD~1..HEAD -- piker/data/_sampling.py`
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Generated `trade_time_s()` to normalize common epoch units. In
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`sample_and_broadcast()`, timestamped trades reach the current 1s bar
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only when their rounded time matches the bar. A trade for the next bar
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waits briefly for samplerd's step. Older or otherwise mismatched
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trades are skipped, with one warning per symbol. Untimestamped trades
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retain the existing receive-time behavior.
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> `git diff HEAD~1..HEAD -- tests/test_sampling_tick_times.py`
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Generated focused tests for epoch units, startup backlog trades,
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untimestamped trades, and the next-step wait.
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The isolated worktree's focused test run passed: 8 tests. Ruff and
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`git diff --check` passed. The user also live-tested the same guard
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on direct chart and separate pikerd starts without seeing the spike.
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