fix(browser): hot-reload profiles added after gateway start (#4841) (#8816)

* fix(browser): hot-reload profiles added after gateway start (#4841)

* style: format files with oxfmt

* Fix hot-reload stale config fields bug in forProfile

* Fix test order-dependency in hot-reload profiles test

* Fix mock reset order to prevent stale cfgProfiles

* Fix config cache blocking hot-reload by clearing cache before loadConfig

* test: improve hot-reload test to properly exercise config cache

- Add simulated cache behavior in mock
- Prime cache before mutating config
- Verify stale value without clearConfigCache
- Verify fresh value after hot-reload

Addresses review comment about test not exercising cache

* test: add hot-reload tests for browser profiles in server context.

* fix(browser): optimize profile hot-reload to avoid global cache clear

* fix(browser): remove unused loadConfig import

* fix(test): execute resetModules before test setup

* feat: implement browser server context with profile hot-reloading and tab management.

* fix(browser): harden profile hot-reload and shutdown cleanup

* test(browser): use toSorted in known-profile names test

---------

Co-authored-by: Peter Steinberger <steipete@gmail.com>

src/browser/server-context.list-known-profile-names.test.ts

@@ -0,0 +1,40 @@
+import { describe, expect, it } from "vitest";
+import type { BrowserServerState } from "./server-context.js";
+import { resolveBrowserConfig, resolveProfile } from "./config.js";
+import { listKnownProfileNames } from "./server-context.js";
+
+describe("browser server-context listKnownProfileNames", () => {
+  it("includes configured and runtime-only profile names", () => {
+    const resolved = resolveBrowserConfig({
+      defaultProfile: "openclaw",
+      profiles: {
+        openclaw: { cdpPort: 18800, color: "#FF4500" },
+      },
+    });
+    const openclaw = resolveProfile(resolved, "openclaw");
+    if (!openclaw) {
+      throw new Error("expected openclaw profile");
+    }
+
+    const state: BrowserServerState = {
+      server: null as unknown as BrowserServerState["server"],
+      port: 18791,
+      resolved,
+      profiles: new Map([
+        [
+          "stale-removed",
+          {
+            profile: { ...openclaw, name: "stale-removed" },
+            running: null,
+          },
+        ],
+      ]),
+    };
+
+    expect(listKnownProfileNames(state).toSorted()).toEqual([
+      "chrome",
+      "openclaw",
+      "stale-removed",
+    ]);
+  });
+});