refactor(import): load the import engine as a dependency

scripts/verify-migrate-package-contents.mjs

@@ -1,38 +0,0 @@
-import { execFileSync } from "node:child_process";
-import { existsSync, mkdtempSync, rmSync } from "node:fs";
-import os from "node:os";
-import path from "node:path";
-
-const npm = process.platform === "win32" ? "npm.cmd" : "npm";
-const packDirectory = mkdtempSync(path.join(os.tmpdir(), "paseo-migrate-pack-"));
-try {
-  const output = execFileSync(npm, ["pack", "--json", "--pack-destination", packDirectory], {
-    cwd: process.cwd(),
-    encoding: "utf8",
-    stdio: ["ignore", "pipe", "inherit"],
-  });
-  const [manifest] = JSON.parse(output);
-  const files = new Set(manifest?.files?.map((file) => file.path));
-  const required = [
-    "dist/cli.js",
-    "fixtures/conductor/conductor.db",
-    "fixtures/conductor/current/.conductor/settings.local.toml",
-    "fixtures/conductor/current/.conductor/settings.toml",
-    "fixtures/conductor/legacy/conductor.json",
-  ];
-  const missing = required.filter((file) => !files.has(file));
-  if (missing.length > 0) {
-    throw new Error(`Published migrator is missing: ${missing.join(", ")}`);
-  }
-  if (
-    typeof manifest.filename !== "string" ||
-    !existsSync(path.join(packDirectory, manifest.filename))
-  ) {
-    throw new Error("npm pack did not create the migrator tarball.");
-  }
-  process.stdout.write(
-    `Verified published migrator tarball contents (${manifest.files.length} files).\n`,
-  );
-} finally {
-  rmSync(packDirectory, { recursive: true, force: true });
-}