phase 4: migrate account flows, trending queries, notifications, and report subjects off the bridge

src/view/com/testing/TestCtrls.e2e.tsx

@@ -3,7 +3,7 @@ import {LogBox, Pressable, TextInput, View} from 'react-native'
 import {useQueryClient} from '@tanstack/react-query'
 
 import {BLUESKY_PROXY_HEADER} from '#/lib/constants'
-import {useAgent, useSessionApi} from '#/state/session'
+import {useSessionApi} from '#/state/session'
 import {useLoggedOutViewControls} from '#/state/shell/logged-out'
 import {useOnboardingDispatch} from '#/state/shell/onboarding'
 import {navigate} from '../../../Navigation'
@@ -31,7 +31,6 @@ const BTN = {height: 1, width: 1, backgroundColor: 'red'}
 let hasConfiguredProxy = false
 
 export function TestCtrls() {
-  const agent = useAgent()
   const queryClient = useQueryClient()
   const {logoutEveryAccount, login} = useSessionApi()
   const onboardingDispatch = useOnboardingDispatch()
@@ -74,8 +73,12 @@ export function TestCtrls() {
         autoCapitalize="none"
         onSubmitEditing={() => {
           const header = `${proxyHeader}#bsky_appview`
+          /*
+           * The appview lex client reads BLUESKY_PROXY_HEADER.get() at build
+           * time (see clients.ts), so setting it here retargets the proxy for
+           * subsequent sign-ins without an explicit client reconfigure.
+          */
           BLUESKY_PROXY_HEADER.set(header)
-          agent.configureProxy(header as any)
           hasConfiguredProxy = true
           setIsProxyConfigured(true)
         }}