37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
---
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model: openai/gpt-5.6-sol
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service: opencode
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session: ses_0799212ebffe42arY96czXn89F
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timestamp: 2026-08-11T20:58:26Z
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git_ref: 06d5ea5d
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scope: code
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substantive: true
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raw_file: 20260811T205826Z_06d5ea5d_prompt_io.raw.md
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---
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## Prompt
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Diagnose and fix an IB live-order failure where lazy NVDA contract
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qualification raised `tractor.trionics.Lagged` after the order reached
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`brokerd.ib`. Determine whether recent history changes or cancelled symbol
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searches caused the stale state.
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## Response summary
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Traced the failure to competing consumers of a one-slot Trio broadcast, not
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the recent SHM change or stale asyncio client state. Replaced broadcast
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fan-out with one response/status demultiplexer, retained request-ID
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correlation, handled cancellation and teardown, documented the task/channel
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ownership model, warned on diagnostic metadata eviction, and added
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deterministic proxy regressions.
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## Files changed
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- `piker/brokers/ib/api.py` - sole-reader IB proxy response routing.
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- `tests/test_ib_method_proxy.py` - status, concurrency, cancellation and EOF regressions.
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- `.claude/skills/run-tests/test-harness-reference.md` - proxy test mapping.
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## Human edits
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None - generated output follows the user's live failure diagnosis.
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