79 lines
2.4 KiB
Markdown
79 lines
2.4 KiB
Markdown
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---
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model: claude-fable-5
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service: claude
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session: f6c84722-471a-4458-9a80-e453fea9029f
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timestamp: 2026-07-02T16:58:06Z
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git_ref: a34aaf98
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scope: code
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substantive: true
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raw_file: 20260702T165806Z_a34aaf98_prompt_io.raw.md
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---
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## Prompt
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Follow-up round in the same session as the
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`tractor.to_actor` landing (see
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`20260702T154255Z_65bf9df5_prompt_io.md`). After
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committing that work the user green-lit the deferred
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items:
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> go go go on this with what time you have left, in
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> particular see if you can get the _ria_nursery
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> removal going!
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then extended the deadline twice to iterate on the
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discovered hang:
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> continue on this up until a 12:58:30 deadline
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and finally chose "Commit step A now" from the
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next-steps prompt.
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## Response summary
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Step A of the `._ria_nursery` removal (issue #477): hoist
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`.run_in_actor()` result-reaping out of the spawn
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backends into the `ActorNursery` machinery so ria
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children spawn via the default daemon nursery,
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- new `_supervise._reap_ria_portals()` runs one
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`_spawn.cancel_on_completion()` task per ria child
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AFTER `._join_procs` is set; happy path awaits it
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right after `._join_procs.set()`.
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- error path SEQUENCES: snapshot ria
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`(portal, subactor)` pairs -> `await an.cancel()` ->
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0.5s-bounded reap. Two failed intermediates informed
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this: a concurrent reap+cancel DEADLOCKED
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`test_multierror`; a 3s bound blew
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`test_cancel_while_childs_child_in_sync_sleep`'s
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`fail_after` deadline.
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- backends (`spawn/_trio.py`, `spawn/_mp.py`) lose the
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`._cancel_after_result_on_exit` membership branch,
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per-child reaper nursery + dead imports.
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- design/probe-history doc:
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`ai/conc-anal/ria_nursery_removal_plan.md` (from an
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agent-verified machinery map).
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Verification: `test_cancellation.py` fully green
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(20 passed, 1 xfailed) incl. the previously-hung
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`test_multierror`; `test_to_actor`+`test_spawning`
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20/20; bounded full-suite gate SIGINT'd ~30s early at
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303 passed / 0 failures (user opted to commit on that
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signal, deferring the unbounded re-run to step-B
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verification).
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## Files changed
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- `tractor/runtime/_supervise.py` — `_reap_ria_portals()`
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+ two call-sites; `run_in_actor()` off the ria nursery
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- `tractor/spawn/_trio.py` — reaper branch + import drop
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- `tractor/spawn/_mp.py` — same as `_trio.py`
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- `ai/conc-anal/ria_nursery_removal_plan.md` — plan +
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probe history
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## Human edits
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None yet — committed via the drafted
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`.claude/git_commit_msg_ria_step_a.md` (user-driven
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`git commit --edit`).
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