feat: add display kiosk host

packages/module-ui-build/src/cli.ts

@@ -11,24 +11,28 @@ function isRecord(value: unknown): value is Record<string, unknown> {
 /**
  * `ekklesia-build-module-ui` — the canonical module UI build command, run from a module directory.
  *
- * A module with no `entrypoints.ui` is not an error: backend-only modules stay first-class and this
- * command reports that there was nothing to build and exits successfully, so one `build` script
- * works for every module.
+ * A module with neither UI role is not an error: backend-only modules stay first-class and this
+ * command reports that there was nothing to build and exits successfully. When one or both roles
+ * are declared, this one command builds exactly that set.
  */
 async function main(): Promise<number> {
   const moduleDirectory = process.argv[2] ?? process.cwd();
 
   try {
     const result = await buildModuleUi({ moduleDirectory });
-    process.stdout.write(`Built module UI: ${path.relative(moduleDirectory, result.outputFile)}\n`);
+    if (result.artifacts.length === 0) {
+      process.stdout.write("No module UI entrypoints declared; skipping the module UI build.\n");
+      return 0;
+    }
+    for (const artifact of result.artifacts) {
+      process.stdout.write(
+        `Built module UI (${artifact.kind}): ${path.relative(moduleDirectory, artifact.outputFile)}\n`,
+      );
+    }
     return 0;
   } catch (error) {
     if (error instanceof ModuleUiBuildError) {
-      if (error.code === "MODULE_UI_ENTRYPOINT_NOT_DECLARED") {
-        process.stdout.write("No entrypoints.ui declared; skipping the module UI build.\n");
-        return 0;
-      }
-      process.stderr.write(`${error.message}\n`);
+      process.stderr.write(`${error.kind ? `${error.kind}: ` : ""}${error.message}\n`);
       // esbuild's own diagnostics carry the file, line, and reason a developer needs. They are
       // printed here, never folded into the sanitized error message itself.
       const diagnostics = isRecord(error) ? error.diagnostics : undefined;