[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/screens/VideoFeed/index.tsx

@@ -21,8 +21,7 @@ import {
   useSafeAreaFrame,
   useSafeAreaInsets,
 } from 'react-native-safe-area-context'
-import {useEvent} from 'expo'
-import {useEventListener} from 'expo'
+import {useEvent, useEventListener} from 'expo'
 import {Image, type ImageStyle} from 'expo-image'
 import {LinearGradient} from 'expo-linear-gradient'
 import {createVideoPlayer, type VideoPlayer, VideoView} from 'expo-video'
@@ -66,13 +65,12 @@ import {
 import {useProfileShadow} from '#/state/cache/profile-shadow'
 import {
   FeedFeedbackProvider,
+  useFeedFeedback,
   useFeedFeedbackContext,
 } from '#/state/feed-feedback'
-import {useFeedFeedback} from '#/state/feed-feedback'
 import {useFeedInfo} from '#/state/queries/feed'
 import {usePostLikeMutationQueue} from '#/state/queries/post'
 import {
-  type AuthorFilter,
   type FeedPostSliceItem,
   usePostFeedQuery,
 } from '#/state/queries/post-feed'
@@ -100,6 +98,7 @@ import * as Hider from '#/components/moderation/Hider'
 import {PostControls} from '#/components/PostControls'
 import {RichText} from '#/components/RichText'
 import {Text} from '#/components/Typography'
+import {useAnalytics} from '#/analytics'
 import {IS_ANDROID} from '#/env'
 import * as bsky from '#/types/bsky'
 import {Scrubber, VIDEO_PLAYER_BOTTOM_INSET} from './components/Scrubber'
@@ -192,11 +191,9 @@ function Feed() {
   const feedDesc = useMemo(() => {
     switch (params.type) {
       case 'feedgen':
-        return `feedgen|${params.uri as string}` as const
+        return `feedgen|${params.uri}` as const
       case 'author':
-        return `author|${params.did as string}|${
-          params.filter as AuthorFilter
-        }` as const
+        return `author|${params.did}|${params.filter}` as const
       default:
         throw new Error(`Invalid video feed params ${JSON.stringify(params)}`)
     }
@@ -490,6 +487,7 @@ let VideoItem = ({
   feedContext: string | undefined
   reqId: string | undefined
 }): React.ReactNode => {
+  const ax = useAnalytics()
   const postShadow = usePostShadow(post)
   const {width, height} = useSafeAreaFrame()
   const {sendInteraction, feedDescriptor} = useFeedFeedbackContext()
@@ -507,16 +505,12 @@ let VideoItem = ({
       // Track post:view event
       if (!hasTrackedView.current) {
         hasTrackedView.current = true
-        logger.metric(
-          'post:view',
-          {
-            uri: post.uri,
-            authorDid: post.author.did,
-            logContext: 'ImmersiveVideo',
-            feedDescriptor,
-          },
-          {statsig: false},
-        )
+        ax.metric('post:view', {
+          uri: post.uri,
+          authorDid: post.author.did,
+          logContext: 'ImmersiveVideo',
+          feedDescriptor,
+        })
       }
     }
   }, [