zudo-panel-designer docsOverview/GitHubOverviewWhat is zpdPCB material layers & sizingQuick startDocument ModelDocument state & layersPanel sizingPCB material stack and display paletteUndo / redo historyGeometry & editing contractsEditorInterfaceToolsInspectorsAdd-Actions & DialogsExtension ArchitectureImage TracingRendering & CameraGuidesFontsAutosave & New PanelClipboardAlign & DistributeShortcuts & Command PalettePatternsGenerator ContractBuilt-in CatalogExportPanelConfig FormatDefensive ParsingRound-TripDevelopmentMonorepo LayoutDev Commands + PortsTestingDeployment + CI