feat: add form and page platform

scripts/check-registries.mjs

@@ -173,6 +173,11 @@ const adHocPatterns = [
 
 /** @param {string} directory */
 async function scanDirectory(directory) {
+  try {
+    await access(directory);
+  } catch {
+    return;
+  }
   const entries = await import("node:fs/promises").then(({ readdir }) =>
     readdir(directory, { withFileTypes: true }),
   );

scripts/test-sample-removal.mjs

@@ -14,6 +14,11 @@ const fixtureRoot = path.resolve(".tmp/reference-feature-removal");
 const pnpmCli = /** @type {string} */ (process.env.npm_execpath);
 const featureSource = "src/features/reference-feature";
 const featureTests = "tests/features/reference-feature";
+const featureOwnedPaths = [
+  featureSource,
+  featureTests,
+  "tests/e2e/reference-form.spec.js",
+];
 const copyTargets = [
   "src",
   "tests",
@@ -112,14 +117,12 @@ for (const target of copyTargets) {
 }
 await symlink(path.resolve("node_modules"), path.join(fixtureRoot, "node_modules"), "dir");
 
-await rm(path.join(fixtureRoot, featureSource), {
-  recursive: true,
-  force: true,
-});
-await rm(path.join(fixtureRoot, featureTests), {
-  recursive: true,
-  force: true,
-});
+for (const ownedPath of featureOwnedPaths) {
+  await rm(path.join(fixtureRoot, ownedPath), {
+    recursive: true,
+    force: true,
+  });
+}
 await writeFile(
   path.join(fixtureRoot, "src/features/installed-feature-contracts.js"),
   emptyContracts,