[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/lib/hooks/usePostViewTracking.ts

@@ -1,8 +1,7 @@
 import {useCallback, useRef} from 'react'
 import {type AppBskyFeedDefs} from '@atproto/api'
 
-import {logger} from '#/logger'
-import {type MetricEvents} from '#/logger/metrics'
+import {type Metrics, useAnalytics} from '#/analytics'
 
 /**
  * Hook that returns a callback to track post:view events.
@@ -12,8 +11,9 @@ import {type MetricEvents} from '#/logger/metrics'
  * @returns A callback that accepts a post and logs the view event
  */
 export function usePostViewTracking(
-  logContext: MetricEvents['post:view']['logContext'],
+  logContext: Metrics['post:view']['logContext'],
 ) {
+  const ax = useAnalytics()
   const seenUrisRef = useRef(new Set<string>())
 
   const trackPostView = useCallback(
@@ -21,17 +21,13 @@ export function usePostViewTracking(
       if (seenUrisRef.current.has(post.uri)) return
       seenUrisRef.current.add(post.uri)
 
-      logger.metric(
-        'post:view',
-        {
-          uri: post.uri,
-          authorDid: post.author.did,
-          logContext,
-        },
-        {statsig: false},
-      )
+      ax.metric('post:view', {
+        uri: post.uri,
+        authorDid: post.author.did,
+        logContext,
+      })
     },
-    [logContext],
+    [ax, logContext],
   )
 
   return trackPostView