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/config/io.ts

@@ -820,7 +820,7 @@ function shouldUseConfigCache(env: NodeJS.ProcessEnv): boolean {
   return resolveConfigCacheMs(env) > 0;
 }
 
-function clearConfigCache(): void {
+export function clearConfigCache(): void {
   configCache = null;
 }