View markers and level labels

import {
  resolveProjectViewMarkers,
  drawProjectViewMarkers,
  drawPhysicalLevelLabels,
} from '@opengeometry/floorkit';

function resolveProjectViewMarkers(
  context: ProjectViewMarkerContext,
  parentViewId: string,
): readonly ResolvedProjectViewMarker[];

function drawProjectViewMarkers(
  context: ProjectViewMarkerContext,
  parentViewId: string,
  options?: ProjectViewMarkerDrawingOptions,
): readonly ProjectViewMarkerDrawingGroup[];

function drawPhysicalLevelLabels(
  model: BuildingModel,
  view: PhysicalSavedView,
  volume: PhysicalViewVolume,
): DrawingPrimitive[];

interface ProjectViewMarkerContext {
  views: readonly SavedDrawingView[];
  paper: PaperDocument;
  markers?: readonly ProjectViewMarker[];
}

interface ResolvedProjectViewMarker {
  marker: ProjectViewMarker;
  viewId: string;
  status:
    | 'resolved'
    | 'unplaced'
    | 'placement-required'
    | 'missing-view'
    | 'missing-placement'
    | 'unsupported-view';
  viewName?: string;
  drawingNumber?: string;
  sheetNumber?: string;
  geometry?: ProjectViewMarkerGeometry;
}

interface ProjectViewMarkerDrawingOptions {
  headSizeMetres?: number;
  paperTextHeightMm?: number;
}

interface ProjectViewMarkerDrawingGroup {
  markerId: string;
  viewId: string;
  status: ResolvedProjectViewMarker['status'];
  primitives: DrawingPrimitive[];
}

type PhysicalSavedView = Extract<
  SavedDrawingView,
  {
    kind: 'section' | 'elevation';
  }
>;

interface PhysicalViewVolume {
  readonly kind: 'section' | 'elevation';
  readonly frame: ViewFrame;
  readonly crop: PlanVectorBounds;
  readonly near: 0;
  readonly far?: number;
}

type ProjectViewMarkerGeometry =
  | {
      kind: 'section';
      line: {
        start: [number, number];
        end: [number, number];
      };
      lookDirection: [number, number];
    }
  | {
      kind: 'elevation';
      origin: [number, number];
      lookDirection: [number, number];
    }
  | {
      kind: 'reference';
      position: [number, number];
      rotationDeg: number;
    };