Adds Task 4b: a second load path for the UI Studio that reads the committed
retail UI layout dump (docs/research/2026-06-25-retail-ui-layout-dump.json)
and renders any of the 26 retail windows as a static sprite hierarchy.
New files:
- src/AcDream.App/Studio/UiDumpModel.cs — POCOs + System.Text.Json parse of
the dump (UiDump, DumpPanel, DumpNode, DumpRect, DumpStateSet, DumpImage,
DumpState + UiDumpModel static helpers: Parse, ListSlugs, PickImageId).
- src/AcDream.App/Studio/DumpLayout.cs — DumpLayout.Load(path, slug, resolve,
out err): parses the dump, finds the panel by slug, builds a UiElement tree.
Internal DumpSpriteElement draws its sprite via DrawSprite (not reusing
UiDatElement — avoids the ElementInfo/StateMedia dat-import dependency for
this static mockup). DumpGroupElement is a transparent container for Group
nodes. Rect basis is ABSOLUTE in the dump (verified: inventory root at
absolute x=500 and its children also start at x≈500 — child offset from
parent is 0–50px, not 500px); DumpLayout subtracts parent rect to produce
parent-relative Left/Top for each child.
- tests/AcDream.App.Tests/Studio/DumpLayoutTests.cs — 5 tests covering:
inventory load with 0x100001D5 check + >= 40 nodes, unknown slug → null+err,
root at origin, children are parent-relative, all 26 slugs smoke-load.
Modified files:
- StudioOptions: adds DumpSlug + DumpFile fields; --dump <slug> and
--dump-file <path> args; ResolveDumpFile() walks up to the solution root
to find the default dump JSON (mirrors ConformanceDats.SolutionRoot()).
--dump suppresses the default vitals layout so the two modes are exclusive.
- StudioWindow.OnLoad: when DumpSlug is set, loads via DumpLayout (no
FixtureProvider, no controllers — static structure only); else falls
through to the existing LayoutSource + FixtureProvider path.
Results: DumpLayoutTests 5/5 passed; full AcDream.App.Tests 609 passed, 2
skipped (same as before); dotnet build green, 0 warnings.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>