---
model: openai/gpt-5.6-sol
service: opencode
timestamp: 2026-08-17T22:20:36Z
git_ref: f65df6a1
diff_cmd: git diff f65df6a1..HEAD
---

## Prompt

The user asked whether the chart-local gap annotation feature had complete
end-to-end coverage, then requested implementation in the existing gap-overlay
worktree while manual NativeDB/backfiller qualification continued in the root
checkout. The user initially declined a tests-only Prompt-IO entry. Real Qt
and Tractor integration tests then exposed production lifecycle and PyQt6
event-routing defects, making the resulting patch substantive code work and
requiring this full provenance entry.

## Generated code

> `git diff HEAD~1..HEAD -- piker/ui/_gaps.py`

Removes manager-owned graphics through their `PlotItem`, retains owning-plot
registrations, and excludes pixel-sized gap arrows from automatic data bounds.

> `git diff HEAD~1..HEAD -- piker/ui/_annotate.py`

Moves Qt geometry-change notification ahead of rectangle and arrow mutation so
scene spatial indexing follows history-prepend repositioning.

> `git diff HEAD~1..HEAD -- piker/ui/_display.py`

Extracts `_register_gap_overlays()` as the deterministic chart startup seam
which registers display states and renders default historical gap layers.

> `git diff HEAD~1..HEAD -- piker/ui/_interaction.py`

Adds focused-chart toggle routing, updates the gap keyboard path to PyQt6 event
enums, and keeps unrelated cached chart states untouched.

> `git diff HEAD~1..HEAD -- tests/test_gap_overlays.py`

Adds offscreen real-Qt manager, startup, keyboard, cached-chart and reposition
coverage plus a real Tractor actor endpoint/client dialog with deterministic
cancellation and stale-response recovery.

## Generated architecture output

> `git diff HEAD~1..HEAD -- plans/opencode/chart-local-gap-overlays.md plans/opencode/chart-local-gap-overlays.summary.md`

Records the automated integration boundary and remaining broker-backed manual
qualification requirements.

## Verification output

The source-isolated non-actor and related suites pass 24 tests with one actor
case deselected. The isolated actor case passes with one upstream Tractor/Trio
deprecation warning. Ruff, compileall, import resolution and whitespace checks
pass. Independent review reports no remaining P1/P2 findings.
