Completed parallel conversations could leave buffered event connections open.
Chat and native context compaction now cancel their own subscriptions before
ending SDK iteration, without cancelling another conversation or its Server.
Strengthen cleanup-order regressions and verify real OpenCode parallel runs,
cancellation and compaction. The remote Agent uses ACP stdio and transcript
polling rather than this SDK event stream and needs no corresponding change.
Validation: 99 focused tests passed; the final candidate passed 4089 tests
with 66 skipped, typecheck and lint. No external model calls were made.
The titlebar drag-region defect was fixed three times in a row, each time
only for the dialogs someone reported, and the same batch introduced two more
instances. Repeated full-table lookups and production reuse of a verification
helper showed up in several places at once for the same reason.
Add docs/quality/recurring-defects.md describing each type that has actually
recurred here, the shared mechanism or automated test that now covers it, and
the history that justifies the entry. Require reading it from AGENTS.md before
touching overlays, store lookups, retrieval entry points, cancellation, or
render-time derived values, and require extending the shared mechanism rather
than patching one reported case.
Correct the external knowledge technical design where it described the removed
configuration-snapshot checks, the shared retrieval entry point and the
unreachable probe status, and record the refactor and its validation in the
knowledge base progress log.
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