Prove cross-package application composition through public capabilities (WI-15)

test/emit-controllers.ts

@@ -46,11 +46,25 @@ pkg.controllers = parseControllerCatalog(
   [iface, controllerInterface],
   pkg.checkedQueries,
 );
+const viewer = compileCapabilityResourceSource(await read("Viewer.qx"), {
+  source: { ...source, repository: "https://example.test/device-viewer.git" },
+  environment,
+});
+assert.ok(viewer.ok && viewer.resource.kind === "package", JSON.stringify(viewer.diagnostics));
+const viewerPackage = viewer.resource.revision;
+viewerPackage.checkedQueries = await Promise.all(
+  viewerPackage.queries!.map((query) => compileQuery(query, [iface], read)),
+);
 for (const variant of ["controller", "controller-next"]) {
-  const extra = variant.endsWith("next") ? 'atom Dashboard id "dashboard";' : "";
+  const extra = variant.endsWith("next")
+    ? 'atom Dashboard id "dashboard"; import package DeviceViewer; presentation DeviceStatus id "device:status" for Device using DeviceViewer.Status;'
+    : "";
   const result = compileCapabilitySource((await read("workspace.qx")).replace(/}\s*$/, extra + "\n}"), "workspace.qx", {
     ...environment,
-    packages: new Map([["Driver", pkg]]),
+    packages: new Map([
+      ["Driver", pkg],
+      ...(variant.endsWith("next") ? [["DeviceViewer", viewerPackage] as const] : []),
+    ]),
   });
   assert.ok(result.ok, JSON.stringify(result.diagnostics));
   const plan = compileExecutionPlan(result.workspace),