fix(plugin): add OpenClaw state dir fallback

src/utils/openclaw-state-dir.test.ts

@@ -0,0 +1,21 @@
+import { homedir } from "node:os";
+import path from "node:path";
+import { describe, expect, it } from "vitest";
+
+import { resolveOpenClawStateDir } from "./openclaw-state-dir.js";
+
+describe("resolveOpenClawStateDir", () => {
+  it("uses the runtime state resolver when available", () => {
+    const stateDir = resolveOpenClawStateDir({
+      resolveStateDir: () => "/tmp/openclaw-state",
+    });
+
+    expect(stateDir).toBe("/tmp/openclaw-state");
+  });
+
+  it("falls back to ~/.openclaw when runtime.state is not available", () => {
+    const stateDir = resolveOpenClawStateDir(undefined);
+
+    expect(stateDir).toBe(path.join(homedir(), ".openclaw"));
+  });
+});

src/utils/openclaw-state-dir.ts

@@ -0,0 +1,12 @@
+import { homedir } from "node:os";
+import path from "node:path";
+
+export interface OpenClawRuntimeStateLike {
+  resolveStateDir?: () => string;
+}
+
+export function resolveOpenClawStateDir(
+  runtimeState: OpenClawRuntimeStateLike | undefined,
+): string {
+  return runtimeState?.resolveStateDir?.() ?? path.join(homedir(), ".openclaw");
+}