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fix: implemented TD-09, supervised workers now receive shutdowna nd can run cooperative cleanup

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Chili Palmer
2026-06-12 12:19:25 +02:00
parent 8ee2b9a7f7
commit bad656924b
5 changed files with 91 additions and 3 deletions
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TECHDEBTS.md
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@@ -385,7 +385,17 @@ production code.
**Acceptance.** Production module has zero sandbox references; full suite
green.
### TD-09: Graceful task cancellation in `BDS.Tasks`
### TD-09: Graceful task cancellation in `BDS.Tasks` ✅ DONE (2026-06-12)
**Status: implemented.** `BDS.Tasks.cancel_task/1` and
`BDS.Scripting.JobRunner.handle_call(:cancel, ...)` now terminate supervised
workers through their owning `Task.Supervisor` (`terminate_child/2`), so the
worker receives `:shutdown` instead of an immediate `:kill`. Queue bookkeeping
and `:cancelled` status semantics are unchanged, but cooperative cleanup now
runs before the slot is freed. Coverage now includes a task worker that traps
exits, confirms cleanup executes on cancellation, and proves the queued task is
promoted afterward, plus a managed scripting job runtime test that traps exits
and observes the same shutdown-driven cleanup path.
**Context.** `Tasks.cancel_task/1` uses `Process.exit(pid, :kill)` — the
worker gets no chance to clean up mid-upload or mid-file-write