Model graph: the whole model as one graph with queries; 0.9.0

- Model | Graph switch on main.archify (Diagram | Graph on diagram pages, narrowed to that diagram)
- union graph of every element and connection, registry and inline, built from the model index
- query box: text, type:, diagram:, decision:, uses:, near:, from: to:, unused, shared, -shared
- side panel per element and connection with diagrams, registry line and decisions one click away
- legend chips, Fit, Layout, Labels, Export PNG; Cytoscape.js bundled as dist/graph.js
- command Archify | Open Model Graph; integration check; unit tests for graph and queries

src/viewer3d/index.ts

@@ -2,6 +2,7 @@ import { layerMarkup, rasterize } from './raster';
 import { CameraState, Layers, Stage } from './stage';
 import { DiagramModel, readModel } from './svgModel';
 import { STYLE } from './style';
+import type { ArchifyHost } from '../webview/host';
 
 /**
  * 3D mode for the Archify viewer. It adds a 2D | 3D switch to Archify's
@@ -12,12 +13,7 @@ import { STYLE } from './style';
  * follows Archify's animations as they play.
  */
 
-interface Host {
-  defaultView: '2d' | '3d';
-  post(message: unknown): void;
-  getState(): Record<string, unknown>;
-  setState(patch: Record<string, unknown>): void;
-}
+type Host = ArchifyHost;
 
 interface SavedView {
   active?: boolean;
@@ -25,12 +21,6 @@ interface SavedView {
   camera?: CameraState;
 }
 
-declare global {
-  interface Window {
-    __archifyHost?: Host;
-  }
-}
-
 const REDRAW_MS = 220;
 const MARGIN = 80;
 /** Texture pixels per SVG unit; more costs memory and upload time for little gain. */