44 lines
1.5 KiB
Markdown
44 lines
1.5 KiB
Markdown
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---
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model: openai/gpt-5.6-sol
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service: opencode
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session: 76c5d31c-5a2f-4503-9b16-410ee7f4fab3
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timestamp: 2026-08-19T23:48:24Z
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git_ref: 557065d8
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scope: code
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substantive: true
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raw_file: 20260819T234824Z_557065d8_prompt_io.raw.md
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---
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## Prompt
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Investigate and fix PR #481's macOS TCP clustering and stream-overrun
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failures without sacrificing IPC frame integrity or structured
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concurrency.
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## Response summary
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Changed cancellation during `send_all()` from actor-wide stream closure
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to shielded complete-frame publication followed by immediate pending
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cancellation. Prevented failed overrun error shipment from promoting a
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secondary transport closure over the context-local primary condition.
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## Files changed
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- `tractor/ipc/_transport.py` - complete in-flight frames before
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delivering sender cancellation.
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- `tractor/_context.py` - absorb transport closure while reporting an
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overrun on an already-closing channel.
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- `tests/ipc/test_each_tpt.py` - prove complete framing, cancellation
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delivery and channel reuse.
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- `tests/test_context_stream_semantics.py` - prove overrun reporting
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tolerates a closed transport.
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## Human edits
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The human reported PR #481's red CI, asked for diagnosis and directed
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the agent to proceed in the dedicated PR #481 worktree. During final
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review, the human required preservation of the original far-end
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cancellation rationale and fuller documentation of frame shielding,
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shared-channel ownership and cancellation-delay tradeoffs. These were
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human-directed agent edits; the human made no direct source-line edits.
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