Add public service constant, use

src/lib/constants.ts

···
   Platform.OS === 'android' ? 'http://10.0.2.2:2583' : 'http://localhost:2583'
 export const STAGING_SERVICE = 'https://staging.bsky.dev'
 export const BSKY_SERVICE = 'https://bsky.social'
+export const PUBLIC_BSKY_SERVICE = 'https://public.api.bsky.app'
 export const DEFAULT_SERVICE = BSKY_SERVICE
 const HELP_DESK_LANG = 'en-us'
 export const HELP_DESK_URL = `https://blueskyweb.zendesk.com/hc/${HELP_DESK_LANG}`

src/state/queries/index.ts

···
 import {BskyAgent} from '@atproto/api'
 
+import {PUBLIC_BSKY_SERVICE} from '#/lib/constants'
+
 export const PUBLIC_BSKY_AGENT = new BskyAgent({
-  service: 'https://public.api.bsky.app',
+  service: PUBLIC_BSKY_SERVICE,
 })
 
 export const STALE = {