[SDK] Migrate discovery and post-thread queries to the appview client (#11355)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

src/state/queries/trending/useGetSuggestedFeedsQuery.ts

@@ -7,14 +7,15 @@ import {
 import {getContentLanguages} from '#/state/preferences/languages'
 import {STALE} from '#/state/queries'
 import {usePreferencesQuery} from '#/state/queries/preferences'
-import {useAgent} from '#/state/session'
+import {useAppviewClient} from '#/state/session'
+import {app} from '#/lexicons'
 
 export const DEFAULT_LIMIT = 15
 
 export const createGetSuggestedFeedsQueryKey = () => ['suggested-feeds']
 
 export function useGetSuggestedFeedsQuery({enabled}: {enabled?: boolean}) {
-  const agent = useAgent()
+  const client = useAppviewClient()
   const {data: preferences} = usePreferencesQuery()
   const savedFeeds = preferences?.savedFeeds
 
@@ -24,7 +25,8 @@ export function useGetSuggestedFeedsQuery({enabled}: {enabled?: boolean}) {
     queryKey: createGetSuggestedFeedsQueryKey(),
     queryFn: async () => {
       const contentLangs = getContentLanguages().join(',')
-      const {data} = await agent.app.bsky.unspecced.getSuggestedFeeds(
+      const data = await client.call(
+        app.bsky.unspecced.getSuggestedFeeds,
         {
           limit: DEFAULT_LIMIT,
         },