Onboarding & feed fixes (#1602)

* Fix: improve the 'end of feed' detection condition

* Fix the feeds link on mobile in the empty state

* Align the following empty state better on web

* Dont autofocus the search input in the search tab

* Fix the error boundary render

* Add 'end of feed' CTA to following feed

* Reduce the default feeds to discover now that we have feed-selection during onboarding

* Fix case where loading spinner fails to stop rendering in bottom of feed

* Fix: dont show loading spinner at footer of feed when refreshing

* Fix: dont fire reminders during onboarding

* Optimize adding feeds and update to mirror the api behaviors more closely

* Use the lock in preferences to avoid clobbering in-flight updates

* Refresh the feed after onboarding to ensure content is visible

* Remove the now-incorrect comment

* Tune copy

src/lib/constants.ts

@@ -79,6 +79,7 @@ export async function DEFAULT_FEEDS(
   serviceUrl: string,
   resolveHandle: (name: string) => Promise<string>,
 ) {
+  // TODO: remove this when the test suite no longer relies on it
   if (IS_LOCAL_DEV(serviceUrl)) {
     // local dev
     const aliceDid = await resolveHandle('alice.test')
@@ -106,16 +107,8 @@ export async function DEFAULT_FEEDS(
   } else {
     // production
     return {
-      pinned: [
-        PROD_DEFAULT_FEED('whats-hot'),
-        PROD_DEFAULT_FEED('with-friends'),
-      ],
-      saved: [
-        PROD_DEFAULT_FEED('bsky-team'),
-        PROD_DEFAULT_FEED('with-friends'),
-        PROD_DEFAULT_FEED('whats-hot'),
-        PROD_DEFAULT_FEED('hot-classic'),
-      ],
+      pinned: [PROD_DEFAULT_FEED('whats-hot')],
+      saved: [PROD_DEFAULT_FEED('whats-hot')],
     }
   }
 }