refactor(browser): scope CDP sessions and harden stale target recovery

src/browser/browser-utils.test.ts

@@ -166,11 +166,23 @@ describe("cdp.helpers", () => {
     expect(url).toBe("https://connect.example.com/?token=abc");
   });
 
+  it("preserves auth and query params when normalizing secure loopback WebSocket CDP URLs", () => {
+    const url = normalizeCdpHttpBaseForJsonEndpoints(
+      "wss://user:pass@127.0.0.1:9222/devtools/browser/ABC?token=abc",
+    );
+    expect(url).toBe("https://user:pass@127.0.0.1:9222/?token=abc");
+  });
+
   it("strips a trailing /cdp suffix when normalizing HTTP bases", () => {
     const url = normalizeCdpHttpBaseForJsonEndpoints("ws://127.0.0.1:9222/cdp?token=abc");
     expect(url).toBe("http://127.0.0.1:9222/?token=abc");
   });
 
+  it("preserves base prefixes when stripping a trailing /cdp suffix", () => {
+    const url = normalizeCdpHttpBaseForJsonEndpoints("ws://127.0.0.1:9222/browser/cdp?token=abc");
+    expect(url).toBe("http://127.0.0.1:9222/browser?token=abc");
+  });
+
   it("adds basic auth headers when credentials are present", () => {
     const headers = getHeadersWithAuth("https://user:pass@example.com");
     expect(headers.Authorization).toBe(`Basic ${Buffer.from("user:pass").toString("base64")}`);

src/browser/cdp.test.ts

@@ -336,6 +336,26 @@ describe("cdp", () => {
     expect(normalized).toBe("ws://192.168.1.202:18850/devtools/browser/ABC");
   });
 
+  it("keeps existing websocket query params when appending remote CDP query params", () => {
+    const normalized = normalizeCdpWsUrl(
+      "ws://127.0.0.1:9222/devtools/browser/ABC?session=1&token=ws-token",
+      "http://127.0.0.1:9222?token=cdp-token&apiKey=abc",
+    );
+    expect(normalized).toBe(
+      "ws://127.0.0.1:9222/devtools/browser/ABC?session=1&token=ws-token&apiKey=abc",
+    );
+  });
+
+  it("rewrites wildcard bind addresses to secure remote CDP hosts without clobbering websocket params", () => {
+    const normalized = normalizeCdpWsUrl(
+      "ws://0.0.0.0:3000/devtools/browser/ABC?session=1&token=ws-token",
+      "https://user:pass@example.com:9443?token=cdp-token&apiKey=abc",
+    );
+    expect(normalized).toBe(
+      "wss://user:pass@example.com:9443/devtools/browser/ABC?session=1&token=ws-token&apiKey=abc",
+    );
+  });
+
   it("upgrades ws to wss when CDP uses https", () => {
     const normalized = normalizeCdpWsUrl(
       "ws://production-sfo.browserless.io",

src/browser/config.test.ts

@@ -176,6 +176,28 @@ describe("browser config", () => {
     expect(profile?.cdpIsLoopback).toBe(false);
   });
 
+  it("preserves loopback direct WebSocket cdpUrl for explicit profiles", () => {
+    const resolved = resolveBrowserConfig({
+      profiles: {
+        localws: {
+          cdpUrl: "ws://127.0.0.1:9222/devtools/browser/ABC?token=test-key",
+          color: "#0066CC",
+        },
+      },
+    });
+    const profile = resolveProfile(resolved, "localws");
+    expect(profile?.cdpUrl).toBe("ws://127.0.0.1:9222/devtools/browser/ABC?token=test-key");
+    expect(profile?.cdpPort).toBe(9222);
+    expect(profile?.cdpIsLoopback).toBe(true);
+  });
+
+  it("trims relayBindHost when configured", () => {
+    const resolved = resolveBrowserConfig({
+      relayBindHost: " 0.0.0.0 ",
+    });
+    expect(resolved.relayBindHost).toBe("0.0.0.0");
+  });
+
   it("rejects unsupported protocols", () => {
     expect(() => resolveBrowserConfig({ cdpUrl: "ftp://127.0.0.1:18791" })).toThrow(
       "must be http(s) or ws(s)",

src/browser/extension-relay.bind-host.test.ts

@@ -0,0 +1,49 @@
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
+import { captureEnv } from "../test-utils/env.js";
+import {
+  ensureChromeExtensionRelayServer,
+  stopChromeExtensionRelayServer,
+} from "./extension-relay.js";
+import { getFreePort } from "./test-port.js";
+
+describe("chrome extension relay bindHost coordination", () => {
+  let cdpUrl = "";
+  let envSnapshot: ReturnType<typeof captureEnv>;
+
+  beforeEach(() => {
+    envSnapshot = captureEnv(["OPENCLAW_GATEWAY_TOKEN"]);
+    process.env.OPENCLAW_GATEWAY_TOKEN = "test-gateway-token";
+  });
+
+  afterEach(async () => {
+    if (cdpUrl) {
+      await stopChromeExtensionRelayServer({ cdpUrl }).catch(() => {});
+      cdpUrl = "";
+    }
+    envSnapshot.restore();
+  });
+
+  it("rebinds the relay when concurrent callers request different bind hosts", async () => {
+    const port = await getFreePort();
+    cdpUrl = `http://127.0.0.1:${port}`;
+
+    const [first, second] = await Promise.all([
+      ensureChromeExtensionRelayServer({ cdpUrl }),
+      ensureChromeExtensionRelayServer({ cdpUrl, bindHost: "0.0.0.0" }),
+    ]);
+
+    const settled = await ensureChromeExtensionRelayServer({
+      cdpUrl,
+      bindHost: "0.0.0.0",
+    });
+
+    expect(first.port).toBe(port);
+    expect(second.port).toBe(port);
+    expect(second).not.toBe(first);
+    expect(second.bindHost).toBe("0.0.0.0");
+    expect(settled).toBe(second);
+
+    const res = await fetch(`http://127.0.0.1:${port}/`);
+    expect(res.status).toBe(200);
+  });
+});

src/browser/pw-session.connections.test.ts

@@ -0,0 +1,119 @@
+import { chromium } from "playwright-core";
+import { afterEach, describe, expect, it, vi } from "vitest";
+import * as chromeModule from "./chrome.js";
+import { closePlaywrightBrowserConnection, listPagesViaPlaywright } from "./pw-session.js";
+
+const connectOverCdpSpy = vi.spyOn(chromium, "connectOverCDP");
+const getChromeWebSocketUrlSpy = vi.spyOn(chromeModule, "getChromeWebSocketUrl");
+
+type BrowserMockBundle = {
+  browser: import("playwright-core").Browser;
+  browserClose: ReturnType<typeof vi.fn>;
+};
+
+function makeBrowser(targetId: string, url: string): BrowserMockBundle {
+  let context: import("playwright-core").BrowserContext;
+  const browserClose = vi.fn(async () => {});
+  const page = {
+    on: vi.fn(),
+    context: () => context,
+    title: vi.fn(async () => `title:${targetId}`),
+    url: vi.fn(() => url),
+  } as unknown as import("playwright-core").Page;
+
+  context = {
+    pages: () => [page],
+    on: vi.fn(),
+    newCDPSession: vi.fn(async () => ({
+      send: vi.fn(async (method: string) =>
+        method === "Target.getTargetInfo" ? { targetInfo: { targetId } } : {},
+      ),
+      detach: vi.fn(async () => {}),
+    })),
+  } as unknown as import("playwright-core").BrowserContext;
+
+  const browser = {
+    contexts: () => [context],
+    on: vi.fn(),
+    off: vi.fn(),
+    close: browserClose,
+  } as unknown as import("playwright-core").Browser;
+
+  return { browser, browserClose };
+}
+
+afterEach(async () => {
+  connectOverCdpSpy.mockReset();
+  getChromeWebSocketUrlSpy.mockReset();
+  await closePlaywrightBrowserConnection().catch(() => {});
+});
+
+describe("pw-session connection scoping", () => {
+  it("does not share in-flight connectOverCDP promises across different cdpUrls", async () => {
+    const browserA = makeBrowser("A", "https://a.example");
+    const browserB = makeBrowser("B", "https://b.example");
+    let resolveA: ((value: import("playwright-core").Browser) => void) | undefined;
+
+    connectOverCdpSpy.mockImplementation((async (...args: unknown[]) => {
+      const endpointText = String(args[0]);
+      if (endpointText === "http://127.0.0.1:9222") {
+        return await new Promise<import("playwright-core").Browser>((resolve) => {
+          resolveA = resolve;
+        });
+      }
+      if (endpointText === "http://127.0.0.1:9333") {
+        return browserB.browser;
+      }
+      throw new Error(`unexpected endpoint: ${endpointText}`);
+    }) as never);
+    getChromeWebSocketUrlSpy.mockResolvedValue(null);
+
+    const pendingA = listPagesViaPlaywright({ cdpUrl: "http://127.0.0.1:9222" });
+    await Promise.resolve();
+    const pendingB = listPagesViaPlaywright({ cdpUrl: "http://127.0.0.1:9333" });
+
+    await vi.waitFor(() => {
+      expect(connectOverCdpSpy).toHaveBeenCalledTimes(2);
+    });
+    expect(connectOverCdpSpy).toHaveBeenNthCalledWith(
+      1,
+      "http://127.0.0.1:9222",
+      expect.any(Object),
+    );
+    expect(connectOverCdpSpy).toHaveBeenNthCalledWith(
+      2,
+      "http://127.0.0.1:9333",
+      expect.any(Object),
+    );
+
+    resolveA?.(browserA.browser);
+    const [pagesA, pagesB] = await Promise.all([pendingA, pendingB]);
+    expect(pagesA.map((page) => page.targetId)).toEqual(["A"]);
+    expect(pagesB.map((page) => page.targetId)).toEqual(["B"]);
+  });
+
+  it("closes only the requested scoped connection", async () => {
+    const browserA = makeBrowser("A", "https://a.example");
+    const browserB = makeBrowser("B", "https://b.example");
+
+    connectOverCdpSpy.mockImplementation((async (...args: unknown[]) => {
+      const endpointText = String(args[0]);
+      if (endpointText === "http://127.0.0.1:9222") {
+        return browserA.browser;
+      }
+      if (endpointText === "http://127.0.0.1:9333") {
+        return browserB.browser;
+      }
+      throw new Error(`unexpected endpoint: ${endpointText}`);
+    }) as never);
+    getChromeWebSocketUrlSpy.mockResolvedValue(null);
+
+    await listPagesViaPlaywright({ cdpUrl: "http://127.0.0.1:9222" });
+    await listPagesViaPlaywright({ cdpUrl: "http://127.0.0.1:9333" });
+
+    await closePlaywrightBrowserConnection({ cdpUrl: "http://127.0.0.1:9222" });
+
+    expect(browserA.browserClose).toHaveBeenCalledTimes(1);
+    expect(browserB.browserClose).not.toHaveBeenCalled();
+  });
+});

src/browser/pw-session.get-page-for-targetid.extension-fallback.test.ts

@@ -1,11 +1,17 @@
 import { chromium } from "playwright-core";
-import { describe, expect, it, vi } from "vitest";
+import { afterEach, describe, expect, it, vi } from "vitest";
 import * as chromeModule from "./chrome.js";
 import { closePlaywrightBrowserConnection, getPageForTargetId } from "./pw-session.js";
 
 const connectOverCdpSpy = vi.spyOn(chromium, "connectOverCDP");
 const getChromeWebSocketUrlSpy = vi.spyOn(chromeModule, "getChromeWebSocketUrl");
 
+afterEach(async () => {
+  connectOverCdpSpy.mockClear();
+  getChromeWebSocketUrlSpy.mockClear();
+  await closePlaywrightBrowserConnection().catch(() => {});
+});
+
 describe("pw-session getPageForTargetId", () => {
   it("falls back to the only page when CDP session attachment is blocked (extension relays)", async () => {
     connectOverCdpSpy.mockClear();
@@ -50,4 +56,63 @@ describe("pw-session getPageForTargetId", () => {
     await closePlaywrightBrowserConnection();
     expect(browserClose).toHaveBeenCalled();
   });
+
+  it("uses the shared HTTP-base normalization when falling back to /json/list for direct WebSocket CDP URLs", async () => {
+    const pageOn = vi.fn();
+    const contextOn = vi.fn();
+    const browserOn = vi.fn();
+    const browserClose = vi.fn(async () => {});
+
+    const context = {
+      pages: () => [],
+      on: contextOn,
+      newCDPSession: vi.fn(async () => {
+        throw new Error("Not allowed");
+      }),
+    } as unknown as import("playwright-core").BrowserContext;
+
+    const pageA = {
+      on: pageOn,
+      context: () => context,
+      url: () => "https://alpha.example",
+    } as unknown as import("playwright-core").Page;
+    const pageB = {
+      on: pageOn,
+      context: () => context,
+      url: () => "https://beta.example",
+    } as unknown as import("playwright-core").Page;
+
+    (context as unknown as { pages: () => unknown[] }).pages = () => [pageA, pageB];
+
+    const browser = {
+      contexts: () => [context],
+      on: browserOn,
+      close: browserClose,
+    } as unknown as import("playwright-core").Browser;
+
+    connectOverCdpSpy.mockResolvedValue(browser);
+    getChromeWebSocketUrlSpy.mockResolvedValue(null);
+
+    const fetchSpy = vi.spyOn(globalThis, "fetch").mockResolvedValue({
+      ok: true,
+      json: async () => [
+        { id: "TARGET_A", url: "https://alpha.example" },
+        { id: "TARGET_B", url: "https://beta.example" },
+      ],
+    } as Response);
+
+    try {
+      const resolved = await getPageForTargetId({
+        cdpUrl: "ws://127.0.0.1:18792/devtools/browser/SESSION?token=abc",
+        targetId: "TARGET_B",
+      });
+      expect(resolved).toBe(pageB);
+      expect(fetchSpy).toHaveBeenCalledWith(
+        "http://127.0.0.1:18792/json/list?token=abc",
+        expect.any(Object),
+      );
+    } finally {
+      fetchSpy.mockRestore();
+    }
+  });
 });

src/browser/pw-session.ts

@@ -113,8 +113,8 @@ const MAX_CONSOLE_MESSAGES = 500;
 const MAX_PAGE_ERRORS = 200;
 const MAX_NETWORK_REQUESTS = 500;
 
-let cached: ConnectedBrowser | null = null;
-let connecting: Promise<ConnectedBrowser> | null = null;
+const cachedByCdpUrl = new Map<string, ConnectedBrowser>();
+const connectingByCdpUrl = new Map<string, Promise<ConnectedBrowser>>();
 
 function normalizeCdpUrl(raw: string) {
   return raw.replace(/\/$/, "");
@@ -328,9 +328,11 @@ function observeBrowser(browser: Browser) {
 
 async function connectBrowser(cdpUrl: string): Promise<ConnectedBrowser> {
   const normalized = normalizeCdpUrl(cdpUrl);
-  if (cached?.cdpUrl === normalized) {
+  const cached = cachedByCdpUrl.get(normalized);
+  if (cached) {
     return cached;
   }
+  const connecting = connectingByCdpUrl.get(normalized);
   if (connecting) {
     return await connecting;
   }
@@ -348,12 +350,13 @@ async function connectBrowser(cdpUrl: string): Promise<ConnectedBrowser> {
           chromium.connectOverCDP(endpoint, { timeout, headers }),
         );
         const onDisconnected = () => {
-          if (cached?.browser === browser) {
-            cached = null;
+          const current = cachedByCdpUrl.get(normalized);
+          if (current?.browser === browser) {
+            cachedByCdpUrl.delete(normalized);
           }
         };
         const connected: ConnectedBrowser = { browser, cdpUrl: normalized, onDisconnected };
-        cached = connected;
+        cachedByCdpUrl.set(normalized, connected);
         browser.on("disconnected", onDisconnected);
         observeBrowser(browser);
         return connected;
@@ -370,11 +373,12 @@ async function connectBrowser(cdpUrl: string): Promise<ConnectedBrowser> {
     throw new Error(message);
   };
 
-  connecting = connectWithRetry().finally(() => {
-    connecting = null;
+  const pending = connectWithRetry().finally(() => {
+    connectingByCdpUrl.delete(normalized);
   });
+  connectingByCdpUrl.set(normalized, pending);
 
-  return await connecting;
+  return await pending;
 }
 
 async function getAllPages(browser: Browser): Promise<Page[]> {
@@ -423,34 +427,29 @@ async function findPageByTargetId(
   // fall back to URL-based matching using the /json/list endpoint
   if (cdpUrl) {
     try {
-      const baseUrl = cdpUrl
-        .replace(/\/+$/, "")
-        .replace(/^ws:/, "http:")
-        .replace(/\/cdp$/, "");
-      const listUrl = `${baseUrl}/json/list`;
-      const response = await fetch(listUrl, { headers: getHeadersWithAuth(listUrl) });
-      if (response.ok) {
-        const targets = (await response.json()) as Array<{
+      const cdpHttpBase = normalizeCdpHttpBaseForJsonEndpoints(cdpUrl);
+      const targets = await fetchJson<
+        Array<{
           id: string;
           url: string;
           title?: string;
-        }>;
-        const target = targets.find((t) => t.id === targetId);
-        if (target) {
-          // Try to find a page with matching URL
-          const urlMatch = pages.filter((p) => p.url() === target.url);
-          if (urlMatch.length === 1) {
-            return urlMatch[0];
-          }
-          // If multiple URL matches, use index-based matching as fallback
-          // This works when Playwright and the relay enumerate tabs in the same order
-          if (urlMatch.length > 1) {
-            const sameUrlTargets = targets.filter((t) => t.url === target.url);
-            if (sameUrlTargets.length === urlMatch.length) {
-              const idx = sameUrlTargets.findIndex((t) => t.id === targetId);
-              if (idx >= 0 && idx < urlMatch.length) {
-                return urlMatch[idx];
-              }
+        }>
+      >(appendCdpPath(cdpHttpBase, "/json/list"), 2000);
+      const target = targets.find((t) => t.id === targetId);
+      if (target) {
+        // Try to find a page with matching URL
+        const urlMatch = pages.filter((p) => p.url() === target.url);
+        if (urlMatch.length === 1) {
+          return urlMatch[0];
+        }
+        // If multiple URL matches, use index-based matching as fallback
+        // This works when Playwright and the relay enumerate tabs in the same order
+        if (urlMatch.length > 1) {
+          const sameUrlTargets = targets.filter((t) => t.url === target.url);
+          if (sameUrlTargets.length === urlMatch.length) {
+            const idx = sameUrlTargets.findIndex((t) => t.id === targetId);
+            if (idx >= 0 && idx < urlMatch.length) {
+              return urlMatch[idx];
             }
           }
         }
@@ -539,17 +538,32 @@ export function refLocator(page: Page, ref: string) {
   return page.locator(`aria-ref=${normalized}`);
 }
 
-export async function closePlaywrightBrowserConnection(): Promise<void> {
-  const cur = cached;
-  cached = null;
-  connecting = null;
-  if (!cur) {
+export async function closePlaywrightBrowserConnection(opts?: { cdpUrl?: string }): Promise<void> {
+  const normalized = opts?.cdpUrl ? normalizeCdpUrl(opts.cdpUrl) : null;
+
+  if (normalized) {
+    const cur = cachedByCdpUrl.get(normalized);
+    cachedByCdpUrl.delete(normalized);
+    connectingByCdpUrl.delete(normalized);
+    if (!cur) {
+      return;
+    }
+    if (cur.onDisconnected && typeof cur.browser.off === "function") {
+      cur.browser.off("disconnected", cur.onDisconnected);
+    }
+    await cur.browser.close().catch(() => {});
     return;
   }
-  if (cur.onDisconnected && typeof cur.browser.off === "function") {
-    cur.browser.off("disconnected", cur.onDisconnected);
+
+  const connections = Array.from(cachedByCdpUrl.values());
+  cachedByCdpUrl.clear();
+  connectingByCdpUrl.clear();
+  for (const cur of connections) {
+    if (cur.onDisconnected && typeof cur.browser.off === "function") {
+      cur.browser.off("disconnected", cur.onDisconnected);
+    }
+    await cur.browser.close().catch(() => {});
   }
-  await cur.browser.close().catch(() => {});
 }
 
 function cdpSocketNeedsAttach(wsUrl: string): boolean {
@@ -655,31 +669,29 @@ export async function forceDisconnectPlaywrightForTarget(opts: {
   reason?: string;
 }): Promise<void> {
   const normalized = normalizeCdpUrl(opts.cdpUrl);
-  if (cached?.cdpUrl !== normalized) {
+  const cur = cachedByCdpUrl.get(normalized);
+  if (!cur) {
     return;
   }
-  const cur = cached;
-  cached = null;
-  // Also clear `connecting` so the next call does a fresh connectOverCDP
+  cachedByCdpUrl.delete(normalized);
+  // Also clear the per-url in-flight connect so the next call does a fresh connectOverCDP
   // rather than awaiting a stale promise.
-  connecting = null;
-  if (cur) {
-    // Remove the "disconnected" listener to prevent the old browser's teardown
-    // from racing with a fresh connection and nulling the new `cached`.
-    if (cur.onDisconnected && typeof cur.browser.off === "function") {
-      cur.browser.off("disconnected", cur.onDisconnected);
-    }
-
-    // Best-effort: kill any stuck JS to unblock the target's execution context before we
-    // disconnect Playwright's CDP connection.
-    const targetId = opts.targetId?.trim() || "";
-    if (targetId) {
-      await tryTerminateExecutionViaCdp({ cdpUrl: normalized, targetId }).catch(() => {});
-    }
-
-    // Fire-and-forget: don't await because browser.close() may hang on the stuck CDP pipe.
-    cur.browser.close().catch(() => {});
+  connectingByCdpUrl.delete(normalized);
+  // Remove the "disconnected" listener to prevent the old browser's teardown
+  // from racing with a fresh connection and nulling the new cached entry.
+  if (cur.onDisconnected && typeof cur.browser.off === "function") {
+    cur.browser.off("disconnected", cur.onDisconnected);
   }
+
+  // Best-effort: kill any stuck JS to unblock the target's execution context before we
+  // disconnect Playwright's CDP connection.
+  const targetId = opts.targetId?.trim() || "";
+  if (targetId) {
+    await tryTerminateExecutionViaCdp({ cdpUrl: normalized, targetId }).catch(() => {});
+  }
+
+  // Fire-and-forget: don't await because browser.close() may hang on the stuck CDP pipe.
+  cur.browser.close().catch(() => {});
 }
 
 /**

src/browser/server-context.ensure-tab-available.prefers-last-target.test.ts

@@ -99,7 +99,7 @@ describe("browser server-context ensureTabAvailable", () => {
     expect(second.targetId).toBe("A");
   });
 
-  it("falls back to the only attached tab when an invalid targetId is provided (extension)", async () => {
+  it("rejects invalid targetId even when only one extension tab remains", async () => {
     const responses = [
       [{ id: "A", type: "page", url: "https://a.example", webSocketDebuggerUrl: "ws://x/a" }],
       [{ id: "A", type: "page", url: "https://a.example", webSocketDebuggerUrl: "ws://x/a" }],
@@ -109,8 +109,7 @@ describe("browser server-context ensureTabAvailable", () => {
 
     const ctx = createBrowserRouteContext({ getState: () => state });
     const chrome = ctx.forProfile("chrome");
-    const chosen = await chrome.ensureTabAvailable("NOT_A_TAB");
-    expect(chosen.targetId).toBe("A");
+    await expect(chrome.ensureTabAvailable("NOT_A_TAB")).rejects.toThrow(/tab not found/i);
   });
 
   it("returns a descriptive message when no extension tabs are attached", async () => {

src/browser/server-context.loopback-direct-ws.test.ts

@@ -97,4 +97,46 @@ describe("browser server-context loopback direct WebSocket profiles", () => {
       expect.any(Object),
     );
   });
+
+  it("uses an HTTPS /json base for secure direct WebSocket profiles with a /cdp suffix", async () => {
+    const fetchMock = vi.fn(async (url: unknown) => {
+      const u = String(url);
+      if (u === "https://127.0.0.1:18800/json/list?token=abc") {
+        return {
+          ok: true,
+          json: async () => [
+            {
+              id: "T2",
+              title: "Secure Tab",
+              url: "https://example.com",
+              webSocketDebuggerUrl: "wss://127.0.0.1/devtools/page/T2",
+              type: "page",
+            },
+          ],
+        } as unknown as Response;
+      }
+      if (u === "https://127.0.0.1:18800/json/activate/T2?token=abc") {
+        return { ok: true, json: async () => ({}) } as unknown as Response;
+      }
+      if (u === "https://127.0.0.1:18800/json/close/T2?token=abc") {
+        return { ok: true, json: async () => ({}) } as unknown as Response;
+      }
+      throw new Error(`unexpected fetch: ${u}`);
+    });
+
+    global.fetch = withFetchPreconnect(fetchMock);
+    const state = makeState("openclaw");
+    state.resolved.profiles.openclaw = {
+      cdpUrl: "wss://127.0.0.1:18800/cdp?token=abc",
+      color: "#FF4500",
+    };
+    const ctx = createBrowserRouteContext({ getState: () => state });
+    const openclaw = ctx.forProfile("openclaw");
+
+    const tabs = await openclaw.listTabs();
+    expect(tabs.map((tab) => tab.targetId)).toEqual(["T2"]);
+
+    await openclaw.focusTab("T2");
+    await openclaw.closeTab("T2");
+  });
 });

src/browser/server-context.remote-profile-tab-ops.suite.ts

@@ -139,7 +139,7 @@ describe("browser server-context remote profile tab operations", () => {
     expect(second.targetId).toBe("A");
   });
 
-  it("falls back to the only tab for remote profiles when targetId is stale", async () => {
+  it("rejects stale targetId for remote profiles even when only one tab remains", async () => {
     const responses = [
       [{ targetId: "T1", title: "Tab 1", url: "https://example.com", type: "page" }],
       [{ targetId: "T1", title: "Tab 1", url: "https://example.com", type: "page" }],
@@ -151,8 +151,7 @@ describe("browser server-context remote profile tab operations", () => {
     } as unknown as Awaited<ReturnType<typeof pwAiModule.getPwAiModule>>);
 
     const { remote } = createRemoteRouteHarness();
-    const chosen = await remote.ensureTabAvailable("STALE_TARGET");
-    expect(chosen.targetId).toBe("T1");
+    await expect(remote.ensureTabAvailable("STALE_TARGET")).rejects.toThrow(/tab not found/i);
   });
 
   it("keeps rejecting stale targetId for remote profiles when multiple tabs exist", async () => {

src/browser/server-context.reset.test.ts

@@ -112,7 +112,9 @@ describe("createProfileResetOps", () => {
     });
     expect(isHttpReachable).toHaveBeenCalledWith(300);
     expect(stopRunningBrowser).toHaveBeenCalledTimes(1);
-    expect(pwAiMocks.closePlaywrightBrowserConnection).toHaveBeenCalledTimes(1);
+    expect(pwAiMocks.closePlaywrightBrowserConnection).toHaveBeenCalledWith({
+      cdpUrl: "http://127.0.0.1:18800",
+    });
     expect(trashMocks.movePathToTrash).toHaveBeenCalledWith(profileDir);
   });
 
@@ -132,5 +134,11 @@ describe("createProfileResetOps", () => {
     await ops.resetProfile();
     expect(stopRunningBrowser).not.toHaveBeenCalled();
     expect(pwAiMocks.closePlaywrightBrowserConnection).toHaveBeenCalledTimes(2);
+    expect(pwAiMocks.closePlaywrightBrowserConnection).toHaveBeenNthCalledWith(1, {
+      cdpUrl: "http://127.0.0.1:18800",
+    });
+    expect(pwAiMocks.closePlaywrightBrowserConnection).toHaveBeenNthCalledWith(2, {
+      cdpUrl: "http://127.0.0.1:18800",
+    });
   });
 });

src/browser/server-context.reset.ts

@@ -16,10 +16,10 @@ type ResetOps = {
   resetProfile: () => Promise<{ moved: boolean; from: string; to?: string }>;
 };
 
-async function closePlaywrightBrowserConnection(): Promise<void> {
+async function closePlaywrightBrowserConnectionForProfile(cdpUrl?: string): Promise<void> {
   try {
     const mod = await import("./pw-ai.js");
-    await mod.closePlaywrightBrowserConnection();
+    await mod.closePlaywrightBrowserConnection(cdpUrl ? { cdpUrl } : undefined);
   } catch {
     // ignore
   }
@@ -48,14 +48,14 @@ export function createProfileResetOps({
     const httpReachable = await isHttpReachable(300);
     if (httpReachable && !profileState.running) {
       // Port in use but not by us - kill it.
-      await closePlaywrightBrowserConnection();
+      await closePlaywrightBrowserConnectionForProfile(profile.cdpUrl);
     }
 
     if (profileState.running) {
       await stopRunningBrowser();
     }
 
-    await closePlaywrightBrowserConnection();
+    await closePlaywrightBrowserConnectionForProfile(profile.cdpUrl);
 
     if (!fs.existsSync(userDataDir)) {
       return { moved: false, from: userDataDir };

src/browser/server-context.selection.ts

@@ -86,16 +86,7 @@ export function createProfileSelectionOps({
       return page ?? candidates.at(0) ?? null;
     };
 
-    let chosen = targetId ? resolveById(targetId) : pickDefault();
-    if (
-      !chosen &&
-      (profile.driver === "extension" || !profile.cdpIsLoopback) &&
-      candidates.length === 1
-    ) {
-      // If an agent passes a stale/foreign targetId but only one candidate remains,
-      // recover by using that tab instead of failing hard.
-      chosen = candidates[0] ?? null;
-    }
+    const chosen = targetId ? resolveById(targetId) : pickDefault();
 
     if (chosen === "AMBIGUOUS") {
       throw new Error("ambiguous target id prefix");