Persist shared asset bytes and project pins with Root commits

src/lib/canvas-runtime/resources.ts

@@ -12,6 +12,7 @@ export type LoadingAssetAdmission = {readonly version:1;readonly sourceToken:str
 export type ResourceRecord = { readonly loadingAdmission?:LoadingAssetAdmission; readonly id: Id; readonly operationId: Id; readonly name: string; readonly mimeType: string; readonly byteLength: number; readonly sizing?: DefaultImageSizing; readonly image?:ImageDecodeState; readonly digest?: string; readonly retirement?: {readonly version:1;readonly unreferencedAt:number;readonly purgedAt?:number}; readonly stored?: StoredAsset };
 export type DisplayHandle = { readonly url: string; release(): void };
 export type AssetPort = {
+  readonly authority?:import('./asset-depot.ts').AssetAuthority;
   sourceURL(resourceId: Id): string;
   displayURL(resourceId: Id): string;
   upload(request: FrozenRequest, bytes: Blob, signal: AbortSignal): Promise<OperationStatus>;