Add registry kind indexes and entity pages.

CONTENT-WP-0002-T02 reads kinds from each snapshot and serves both example dataspaces without oncology imports.

Assistant: grok
Assistant-Session: 01a1346c-fdff-7741-b1af-b7283661554b

ui/vitest.config.ts

@@ -1,6 +1,11 @@
+import path from "node:path";
+import { fileURLToPath } from "node:url";
 import { defineConfig } from "vitest/config";
 
+const root = path.dirname(fileURLToPath(import.meta.url));
+
 export default defineConfig({
+  resolve: { alias: { "@": root } },
   esbuild: { jsx: "automatic" },
   test: {
     environment: "node",