migrate service config and composer thread reads to the appview client

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/state/queries/service-config.ts

@@ -1,7 +1,8 @@
 import {useQuery} from '@tanstack/react-query'
 
 import {STALE} from '#/state/queries'
-import {useAgent} from '#/state/session'
+import {useAppviewClient} from '#/state/session'
+import {app} from '#/lexicons'
 
 type ServiceConfig = {
   checkEmailConfirmed: boolean
@@ -13,17 +14,17 @@ type ServiceConfig = {
 }
 
 export function useServiceConfigQuery() {
-  const agent = useAgent()
+  const client = useAppviewClient()
   return useQuery<ServiceConfig>({
     refetchOnWindowFocus: true,
     staleTime: STALE.MINUTES.FIVE,
     queryKey: ['service-config'],
     queryFn: async () => {
       try {
-        const {data} = await agent.api.app.bsky.unspecced.getConfig()
+        const data = await client.call(app.bsky.unspecced.getConfig)
         return {
           checkEmailConfirmed: Boolean(data.checkEmailConfirmed),
-          // @ts-expect-error not included in types atm
+          // @ts-expect-error not included in the lexicon atm
           topicsEnabled: Boolean(data.topicsEnabled),
           liveNow: data.liveNow ?? [],
         }