fix: support moltbot legacy state dir

src/infra/state-migrations.state-dir.test.ts

@@ -0,0 +1,52 @@
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { afterEach, describe, expect, it } from "vitest";
+import {
+  autoMigrateLegacyStateDir,
+  resetAutoMigrateLegacyStateDirForTest,
+} from "./state-migrations.js";
+
+let tempRoot: string | null = null;
+
+async function makeTempRoot() {
+  const root = await fs.promises.mkdtemp(path.join(os.tmpdir(), "openclaw-state-dir-"));
+  tempRoot = root;
+  return root;
+}
+
+afterEach(async () => {
+  resetAutoMigrateLegacyStateDirForTest();
+  if (!tempRoot) {
+    return;
+  }
+  await fs.promises.rm(tempRoot, { recursive: true, force: true });
+  tempRoot = null;
+});
+
+describe("legacy state dir auto-migration", () => {
+  it("follows legacy symlink when it points at another legacy dir (clawdbot -> moltbot)", async () => {
+    const root = await makeTempRoot();
+    const legacySymlink = path.join(root, ".clawdbot");
+    const legacyDir = path.join(root, ".moltbot");
+
+    fs.mkdirSync(legacyDir, { recursive: true });
+    fs.writeFileSync(path.join(legacyDir, "marker.txt"), "ok", "utf-8");
+
+    const dirLinkType = process.platform === "win32" ? "junction" : "dir";
+    fs.symlinkSync(legacyDir, legacySymlink, dirLinkType);
+
+    const result = await autoMigrateLegacyStateDir({
+      env: {} as NodeJS.ProcessEnv,
+      homedir: () => root,
+    });
+
+    expect(result.migrated).toBe(true);
+    expect(result.warnings).toEqual([]);
+
+    const targetMarker = path.join(root, ".openclaw", "marker.txt");
+    expect(fs.readFileSync(targetMarker, "utf-8")).toBe("ok");
+    expect(fs.readFileSync(path.join(root, ".moltbot", "marker.txt"), "utf-8")).toBe("ok");
+    expect(fs.readFileSync(path.join(root, ".clawdbot", "marker.txt"), "utf-8")).toBe("ok");
+  });
+});