fix(server): include internal plugin assets in built output

scripts/check-built-internal-plugins.mjs

@@ -0,0 +1,33 @@
+import assert from "node:assert/strict";
+import { readFile, stat } from "node:fs/promises";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import { INTERNAL_PLUGINS } from "../packages/server/dist/server/plugins/index.js";
+
+const pluginRoot = fileURLToPath(
+  new URL("../packages/server/dist/server/plugins/", import.meta.url),
+);
+
+assert.ok(INTERNAL_PLUGINS.length > 0, "The built daemon must list internal plugins");
+for (const plugin of INTERNAL_PLUGINS) {
+  assert.equal(path.resolve(plugin.directory), path.join(pluginRoot, plugin.id));
+  const manifestPath = path.join(plugin.directory, "paseo-plugin.json");
+  assert.ok((await stat(manifestPath)).isFile(), `${plugin.id} manifest must be a file`);
+  const manifest = JSON.parse(await readFile(manifestPath, "utf8"));
+  assert.equal(manifest.id, plugin.id);
+
+  const icons = [];
+  await plugin.contribute({
+    registerUsageSource(source) {
+      if (source.icon) icons.push(source.icon);
+    },
+  });
+  for (const icon of icons) {
+    assert.ok(
+      (await stat(path.join(plugin.directory, icon))).isFile(),
+      `${plugin.id} icon must be a file`,
+    );
+  }
+}
+
+console.log(`Verified built assets for ${INTERNAL_PLUGINS.length} internal plugins`);