fix: add legacy daemon-cli shim for updates

scripts/write-cli-compat.ts

@@ -0,0 +1,25 @@
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const rootDir = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
+const distDir = path.join(rootDir, "dist");
+const cliDir = path.join(distDir, "cli");
+
+const candidates = fs
+  .readdirSync(distDir)
+  .filter((entry) => entry.startsWith("daemon-cli-") && entry.endsWith(".js"));
+
+if (candidates.length === 0) {
+  throw new Error("No daemon-cli bundle found in dist; cannot write legacy CLI shim.");
+}
+
+const target = candidates.toSorted()[0];
+const relPath = `../${target}`;
+
+const contents =
+  "// Legacy shim for pre-tsdown update-cli imports.\n" +
+  `export { registerDaemonCli, runDaemonInstall, runDaemonRestart, runDaemonStart, runDaemonStatus, runDaemonStop, runDaemonUninstall } from "${relPath}";\n`;
+
+fs.mkdirSync(cliDir, { recursive: true });
+fs.writeFileSync(path.join(cliDir, "daemon-cli.js"), contents);