[APP-1782] Analytics migration (#9734)

* WIP

* Clean up growthbook code, integrate into init and sessions

* Move everything out of React

* Add metrics client

* Move to separate file

* Shared metadata cache

* Ensure we update metadata when session ID changes

* Ensure userMetadata is cleared when logging out

* WIP revamp

* Integrate feature gates into analytics context

* Clean up old code

* Fix useMeta util

* Some comments and cleanup

* Add logger to base analytics context

* Refactor current route handling

* Rip out LogEvent from navigation

* Update tracking endpoint

* Migrate toClout

* Clear out statsig client

* Add todo, reset logger readme

* Ope fix statsig noop

* Refactor logging in feed-feedback, add debug logging to metrics client

* Remove LogEvents alias for Metrics

* Prefer root package export

* Remove Metrics alias from logger

* [APP-1782] Migrate to new analytics APIs (#9735)

* Migrate logEvent to useAnalytics

* Migrate logger.metric to useAnalytics

* Migrate tricky spot, fix types

* Migrate remaining tricky spot

* Missed one

* Remove metric() from logger

* Migrate useGate to useAnalytics

* Remove all other StatSig mentions

* Update event payload

* Update logger tests

* Mock expo method

* Fix session ID bug

* Add session ID test

* Add test for metrics client

* Clarify intent

* Clean up core analytics file

* Clean up the call once utils

* Fix TODO

* Fix TODO

* Fix TODO

* Fix TODO

* Fix TODO

* Remove debug code

* Fix navigation context

* OK nav context is not working, todo

* Checkpoint: works but feels hacky

* Fix navigation context issue

* Improve feature API

* Improve metric logging

* Update logger tests

src/components/feeds/PostFeedVideoGridRow.tsx

@@ -1,7 +1,6 @@
 import {View} from 'react-native'
 import {AppBskyEmbedVideo} from '@atproto/api'
 
-import {logEvent} from '#/lib/statsig/statsig'
 import {type FeedPostSliceItem} from '#/state/queries/post-feed'
 import {type VideoFeedSourceContext} from '#/screens/VideoFeed/types'
 import {atoms as a, useGutters} from '#/alf'
@@ -10,6 +9,7 @@ import {
   VideoPostCard,
   VideoPostCardPlaceholder,
 } from '#/components/VideoPostCard'
+import {useAnalytics} from '#/analytics'
 
 export function PostFeedVideoGridRow({
   items: slices,
@@ -18,6 +18,7 @@ export function PostFeedVideoGridRow({
   items: FeedPostSliceItem[]
   sourceContext: VideoFeedSourceContext
 }) {
+  const ax = useAnalytics()
   const gutters = useGutters(['base', 'base', 0, 'base'])
   const posts = slices
     .filter(slice => AppBskyEmbedVideo.isView(slice.post.embed))
@@ -43,7 +44,7 @@ export function PostFeedVideoGridRow({
                 sourceContext={sourceContext}
                 moderation={post.moderation}
                 onInteract={() => {
-                  logEvent('videoCard:click', {context: 'feed'})
+                  ax.metric('videoCard:click', {context: 'feed'})
                 }}
               />
             </Grid.Col>