Browser/Logging: share default openclaw tmp dir resolver

src/browser/pw-tools-core.downloads.ts

@@ -1,8 +1,8 @@
 import type { Page } from "playwright-core";
 import crypto from "node:crypto";
 import fs from "node:fs/promises";
-import os from "node:os";
 import path from "node:path";
+import { resolvePreferredOpenClawTmpDir } from "../infra/tmp-openclaw-dir.js";
 import {
   ensurePageState,
   getPageForTargetId,
@@ -21,7 +21,7 @@ import {
 function buildTempDownloadPath(fileName: string): string {
   const id = crypto.randomUUID();
   const safeName = fileName.trim() ? fileName.trim() : "download.bin";
-  return path.join(os.tmpdir(), "openclaw", "downloads", `${id}-${safeName}`);
+  return path.join(resolvePreferredOpenClawTmpDir(), "downloads", `${id}-${safeName}`);
 }
 
 function createPageDownloadWaiter(page: Page, timeoutMs: number) {

src/browser/pw-tools-core.waits-next-download-saves-it.test.ts

@@ -29,6 +29,10 @@ const sessionMocks = vi.hoisted(() => ({
 }));
 
 vi.mock("./pw-session.js", () => sessionMocks);
+const tmpDirMocks = vi.hoisted(() => ({
+  resolvePreferredOpenClawTmpDir: vi.fn(() => "/tmp/openclaw"),
+}));
+vi.mock("../infra/tmp-openclaw-dir.js", () => tmpDirMocks);
 
 async function importModule() {
   return await import("./pw-tools-core.js");
@@ -47,6 +51,10 @@ describe("pw-tools-core", () => {
     for (const fn of Object.values(sessionMocks)) {
       fn.mockClear();
     }
+    for (const fn of Object.values(tmpDirMocks)) {
+      fn.mockClear();
+    }
+    tmpDirMocks.resolvePreferredOpenClawTmpDir.mockReturnValue("/tmp/openclaw");
   });
 
   it("waits for the next download and saves it", async () => {
@@ -125,6 +133,43 @@ describe("pw-tools-core", () => {
     expect(saveAs).toHaveBeenCalledWith(targetPath);
     expect(res.path).toBe(targetPath);
   });
+  it("uses preferred tmp dir when waiting for download without explicit path", async () => {
+    let downloadHandler: ((download: unknown) => void) | undefined;
+    const on = vi.fn((event: string, handler: (download: unknown) => void) => {
+      if (event === "download") {
+        downloadHandler = handler;
+      }
+    });
+    const off = vi.fn();
+
+    const saveAs = vi.fn(async () => {});
+    const download = {
+      url: () => "https://example.com/file.bin",
+      suggestedFilename: () => "file.bin",
+      saveAs,
+    };
+
+    tmpDirMocks.resolvePreferredOpenClawTmpDir.mockReturnValue("/tmp/openclaw-preferred");
+    currentPage = { on, off };
+
+    const mod = await importModule();
+    const p = mod.waitForDownloadViaPlaywright({
+      cdpUrl: "http://127.0.0.1:18792",
+      targetId: "T1",
+      timeoutMs: 1000,
+    });
+
+    await Promise.resolve();
+    downloadHandler?.(download);
+
+    const res = await p;
+    const outPath = vi.mocked(saveAs).mock.calls[0]?.[0];
+    expect(typeof outPath).toBe("string");
+    expect(String(outPath)).toContain("/tmp/openclaw-preferred/downloads/");
+    expect(String(outPath)).toContain("-file.bin");
+    expect(res.path).toContain("/tmp/openclaw-preferred/downloads/");
+    expect(tmpDirMocks.resolvePreferredOpenClawTmpDir).toHaveBeenCalled();
+  });
   it("waits for a matching response and returns its body", async () => {
     let responseHandler: ((resp: unknown) => void) | undefined;
     const on = vi.fn((event: string, handler: (resp: unknown) => void) => {

src/browser/routes/agent.debug.ts

@@ -1,12 +1,14 @@
 import crypto from "node:crypto";
 import fs from "node:fs/promises";
-import os from "node:os";
 import path from "node:path";
 import type { BrowserRouteContext } from "../server-context.js";
 import type { BrowserRouteRegistrar } from "./types.js";
+import { resolvePreferredOpenClawTmpDir } from "../../infra/tmp-openclaw-dir.js";
 import { handleRouteError, readBody, requirePwAi, resolveProfileContext } from "./agent.shared.js";
 import { toBoolean, toStringOrEmpty } from "./utils.js";
 
+const DEFAULT_TRACE_DIR = resolvePreferredOpenClawTmpDir();
+
 export function registerBrowserAgentDebugRoutes(
   app: BrowserRouteRegistrar,
   ctx: BrowserRouteContext,
@@ -132,7 +134,7 @@ export function registerBrowserAgentDebugRoutes(
         return;
       }
       const id = crypto.randomUUID();
-      const dir = path.join(os.tmpdir(), "openclaw");
+      const dir = DEFAULT_TRACE_DIR;
       await fs.mkdir(dir, { recursive: true });
       const tracePath = out.trim() || path.join(dir, `browser-trace-${id}.zip`);
       await pw.traceStopViaPlaywright({