feat: add display kiosk host

packages/module-ui-host/src/load-module-ui.ts

@@ -9,11 +9,12 @@ import {
  * How a host obtains a module's UI artifact.
  *
  * `url` is a **browser-loadable module URL**, not a filesystem path. That distinction is the whole
- * reason this type exists. Core's module discovery resolves `entrypoints.ui` to an absolute path on
- * the server's disk (`ResolvedModuleEntrypoints.ui`); a browser cannot import that, and a host that
- * passed one here would fail at run time in a way no test on a server would catch. Turning an
- * installed artifact into a URL a browser may fetch is **asset publication**, a separate concern
- * this package deliberately does not own and Ekklesia does not implement yet (ADR 0024).
+ * reason this type exists. Core's module discovery resolves each primary or display entrypoint to an
+ * absolute path on the server's disk; a browser cannot import that, and a host that passed one here
+ * would fail at run time in a way no test on a server would catch. Turning an installed artifact
+ * into a URL a browser may fetch is **asset publication**, a separate concern this generic package
+ * deliberately does not own. Ekklesia implements that concern for both roles at its API edge (ADR
+ * 0025, ADR 0033).
  *
  * `moduleId` and `version` are the identity the host already read from the module's validated
  * manifest. They are checked against the artifact before anything is mounted.

packages/module-ui-host/tests/fixtures/artifact-module/ekklesia.module.json

@@ -1,5 +1,5 @@
 {
-  "manifestVersion": 5,
+  "manifestVersion": 6,
   "id": "example",
   "name": "Example",
   "version": "0.1.0",

packages/module-ui-host/tests/real-artifact.test.ts

@@ -56,7 +56,11 @@ function standaloneContext(requested: string[]): ModuleUiHostContext {
 describe("loading a real compiled artifact", () => {
   beforeAll(async () => {
     const result = await buildModuleUi({ moduleDirectory: fixtureDirectory });
-    artifactSource = await readFile(result.outputFile, "utf8");
+    const primaryArtifact = result.artifacts.find((artifact) => artifact.kind === "ui");
+    if (!primaryArtifact) {
+      throw new Error("The real-artifact fixture must declare a primary UI artifact.");
+    }
+    artifactSource = await readFile(primaryArtifact.outputFile, "utf8");
     artifactUrl = `data:text/javascript;base64,${Buffer.from(artifactSource, "utf8").toString("base64")}`;
   }, 60_000);