feat(desktop): migrate existing projects and worktrees

scripts/verify-migrate-package-contents.mjs

@@ -0,0 +1,38 @@
+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 });
+}