[Chat] Sync convo agent with shadow cache (#10827)

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Co-authored-by: DS Boyce <260543580+ds-boyce@users.noreply.github.com>
Co-authored-by: Samuel Newman <mozzius@protonmail.com>

src/components/AvatarBubbles.tsx

@@ -1,4 +1,4 @@
-import {useEffect, useMemo} from 'react'
+import {useEffect} from 'react'
 import {View} from 'react-native'
 import Animated, {
   Easing,
@@ -8,12 +8,10 @@ import Animated, {
   withDelay,
   withTiming,
 } from 'react-native-reanimated'
-import {
-  moderateProfile,
-  type ModerationOpts,
-  type ModerationUI,
-} from '@atproto/api'
+import {moderateProfile} from '@atproto/api'
 
+import {useMaybeProfileShadow} from '#/state/cache/profile-shadow'
+import {useModerationOpts} from '#/state/preferences/moderation-opts'
 import {useSession} from '#/state/session'
 import {UserAvatar} from '#/view/com/util/UserAvatar'
 import {atoms as a, useTheme} from '#/alf'
@@ -33,7 +31,6 @@ export function AvatarBubbles({
   profiles: allProfiles,
   self = false,
   size = 120,
-  moderationOpts,
 }: {
   animate?: boolean
   profiles: (bsky.profile.AnyProfileView | undefined)[]
@@ -45,19 +42,12 @@ export function AvatarBubbles({
    */
   self?: boolean
   size?: number
-  moderationOpts?: ModerationOpts
 }) {
   const {currentAccount} = useSession()
   const profiles =
     !self && allProfiles.length > 2
       ? allProfiles.filter(p => !p || p.did !== currentAccount?.did)
       : allProfiles
-  const moderations = useMemo(() => {
-    if (!moderationOpts) return []
-    return profiles.map(p => {
-      return p && moderateProfile(p, moderationOpts)
-    })
-  }, [profiles, moderationOpts])
 
   const scale = size / 120
   const marginOffset = size < 120 ? -2 : 0
@@ -110,7 +100,6 @@ export function AvatarBubbles({
             y={layout.y}
             zIndex={layout.zIndex}
             includeProfileBorder={layout.border}
-            moderation={moderations[i]?.ui('avatar')}
           />
         ))}
       </View>
@@ -119,14 +108,13 @@ export function AvatarBubbles({
 }
 
 function AvatarBubble({
-  profile,
+  profile: profileUnshadowed,
   scale,
   size,
   x,
   y,
   zIndex,
   includeProfileBorder,
-  moderation,
 }: {
   profile?: bsky.profile.AnyProfileView
   scale: SharedValue<number>
@@ -135,14 +123,15 @@ function AvatarBubble({
   y: number
   zIndex?: number
   includeProfileBorder?: boolean
-  moderation?: ModerationUI
 }) {
   const t = useTheme()
-
   const animatedStyle = useAnimatedStyle(() => ({
     transform: [{translateX: x}, {translateY: y}, {scale: scale.get()}],
   }))
 
+  const profile = useMaybeProfileShadow(profileUnshadowed)
+  const moderationOpts = useModerationOpts()
+
   return (
     <Animated.View
       style={[
@@ -156,14 +145,14 @@ function AvatarBubble({
         zIndex != null && {zIndex},
         animatedStyle,
       ]}>
-      {profile ? (
+      {profile && moderationOpts ? (
         <UserAvatar
           avatar={profile.avatar}
           size={size}
           type="user"
           hideLiveBadge
           noBorder
-          moderation={moderation}
+          moderation={moderateProfile(profile, moderationOpts).ui('avatar')}
         />
       ) : (
         <AvatarPlaceholder size={size} />

src/components/PostControls/ShareMenu/RecentChats.tsx

@@ -152,11 +152,7 @@ function RecentChatItem({
         a.align_center,
       ]}>
       {convo.kind === 'group' ? (
-        <AvatarBubbles
-          profiles={convo.members}
-          size={WIDTH - 8}
-          moderationOpts={moderationOpts}
-        />
+        <AvatarBubbles profiles={convo.members} size={WIDTH - 8} />
       ) : (
         <UserAvatar
           avatar={primaryProfile.avatar}

src/components/dialogs/SearchablePeopleList.tsx

@@ -514,11 +514,7 @@ function ExistingChatCard({
           ]}>
           <ProfileCard.Header>
             {convo.kind === 'group' ? (
-              <AvatarBubbles
-                profiles={convo.members}
-                size={40}
-                moderationOpts={moderationOpts}
-              />
+              <AvatarBubbles profiles={convo.members} size={40} />
             ) : (
               <ProfileCard.Avatar
                 profile={convo.primaryMember}

src/components/dms/MessagesListHeader.tsx

@@ -42,7 +42,7 @@ export function MessagesListHeader({convo}: {convo?: ConvoWithDetails | null}) {
           convo.kind === 'direct' ? (
             <ProfileHeaderReady convo={convo} moderationOpts={moderationOpts} />
           ) : (
-            <GroupHeaderReady convo={convo} moderationOpts={moderationOpts} />
+            <GroupHeaderReady convo={convo} />
           )
         ) : (
           <>
@@ -152,10 +152,8 @@ function ProfileHeaderReady({
 
 function GroupHeaderReady({
   convo,
-  moderationOpts,
 }: {
   convo: Extract<ConvoWithDetails, {kind: 'group'}>
-  moderationOpts: ModerationOpts
 }) {
   const {t: l} = useLingui()
 
@@ -178,11 +176,7 @@ function GroupHeaderReady({
                   },
                 }
           }>
-          <AvatarBubbles
-            size={40}
-            profiles={convo.members}
-            moderationOpts={moderationOpts}
-          />
+          <AvatarBubbles size={40} profiles={convo.members} />
           <View style={[a.flex_row, a.flex_1, a.align_center]}>
             <Text
               style={[a.text_lg, a.font_semi_bold, a.flex_shrink]}

src/screens/Messages/ConversationSettings/index.tsx

@@ -461,10 +461,7 @@ function SettingsHeader({
       <View
         style={[a.px_xl, a.py_4xl, a.border_b, t.atoms.border_contrast_low]}>
         <View style={[a.align_center, a.justify_center]}>
-          <AvatarBubbles
-            profiles={convo.members}
-            moderationOpts={moderationOpts}
-          />
+          <AvatarBubbles profiles={convo.members} />
         </View>
         {isOwner ? (
           <Pressable

src/screens/Messages/components/ChatListItem.tsx

@@ -206,7 +206,6 @@ function GroupChatItem({
         <AvatarBubbles
           profiles={convo.members}
           size={isWithinLeftPanel ? 48 : 52}
-          moderationOpts={moderationOpts}
         />
       }
       title={chatName}

src/screens/Messages/components/MessagesListGroupInfoPanel.tsx

@@ -87,11 +87,7 @@ export function MessagesListGroupInfoPanel({
   return (
     <>
       <View style={[a.align_center, a.justify_center]}>
-        <AvatarBubbles
-          animate={true}
-          profiles={convo.members}
-          moderationOpts={moderationOpts}
-        />
+        <AvatarBubbles animate={true} profiles={convo.members} />
         {convo.details.name ? (
           <Text
             style={[a.text_2xl, a.font_bold, a.mt_lg, a.px_xl, a.text_center]}

src/screens/Messages/components/OutgoingRequestListItem.tsx

@@ -6,7 +6,6 @@ import {
 import {Trans, useLingui} from '@lingui/react/macro'
 
 import {isNetworkError} from '#/lib/strings/errors'
-import {useModerationOpts} from '#/state/preferences/moderation-opts'
 import {useWithdrawJoinGroupChatRequest} from '#/state/queries/messages/withdraw-join-group-chat'
 import {TimeElapsed} from '#/view/com/util/TimeElapsed'
 import {atoms as a, useTheme, web} from '#/alf'
@@ -26,8 +25,6 @@ export function OutgoingRequestListItem({
 
   const prompt = Prompt.usePromptControl()
 
-  const moderationOpts = useModerationOpts()
-
   const {mutate: withdrawRequest, isPending: isWithdrawPending} =
     useWithdrawJoinGroupChatRequest({
       onSuccess: () => {
@@ -73,7 +70,6 @@ export function OutgoingRequestListItem({
                 ).fill(undefined),
               ]}
               size={48}
-              moderationOpts={moderationOpts}
             />
             <View style={[a.flex_1]}>
               <View

src/state/cache/profile-shadow.ts

@@ -53,6 +53,21 @@ const shadows: WeakMap<
 > = new WeakMap()
 const emitter = new EventEmitter()
 
+type ShadowUpdateEventPayload = {did: string; shadow: Partial<ProfileShadow>}
+
+/**
+ * Subscribe to all profile shadow updates, regardless of did. Useful for
+ * non-React consumers like the Convo agent. Returns an unlisten function.
+ */
+export function listenProfileShadowUpdate(
+  listener: (payload: ShadowUpdateEventPayload) => void,
+): () => void {
+  emitter.addListener('shadow-update', listener)
+  return () => {
+    emitter.removeListener('shadow-update', listener)
+  }
+}
+
 export function useProfileShadow<
   TProfileView extends bsky.profile.AnyProfileView,
 >(profile: TProfileView): Shadow<TProfileView> {
@@ -206,10 +221,47 @@ export function updateProfileShadow(
   }
   batchedUpdates(() => {
     emitter.emit(did, value)
+    emitter.emit('shadow-update', {
+      did,
+      shadow: value,
+    } satisfies ShadowUpdateEventPayload)
   })
 }
 
-function mergeShadow<TProfileView extends bsky.profile.AnyProfileView>(
+/**
+ * Returns true if merging `shadow` into `profile` would change nothing, i.e.
+ * `mergeShadow` would be a no-op. Object-valued fields are compared by
+ * reference, so this can return false negatives - callers may do redundant
+ * merges, but never skip a real change.
+ */
+export function isProfileShadowApplied<
+  TProfileView extends bsky.profile.AnyProfileView,
+>(profile: TProfileView, shadow: Partial<ProfileShadow>): boolean {
+  if ('followingUri' in shadow) {
+    if (profile.viewer?.following !== shadow.followingUri) return false
+  }
+  if ('muted' in shadow) {
+    if (profile.viewer?.muted !== shadow.muted) return false
+  }
+  if ('blockingUri' in shadow) {
+    if (profile.viewer?.blocking !== shadow.blockingUri) return false
+  }
+  if ('activitySubscription' in shadow) {
+    if (profile.viewer?.activitySubscription !== shadow.activitySubscription) {
+      return false
+    }
+  }
+  if ('verification' in shadow) {
+    if (profile.verification !== shadow.verification) return false
+  }
+  if ('status' in shadow) {
+    const current = 'status' in profile ? profile.status : undefined
+    if (current !== shadow.status) return false
+  }
+  return true
+}
+
+export function mergeShadow<TProfileView extends bsky.profile.AnyProfileView>(
   profile: TProfileView,
   shadow: Partial<ProfileShadow>,
 ): Shadow<TProfileView> {

src/state/messages/convo/agent.ts

@@ -20,6 +20,12 @@ import {
   isNetworkError,
 } from '#/lib/strings/errors'
 import {Logger} from '#/logger'
+import {
+  isProfileShadowApplied,
+  listenProfileShadowUpdate,
+  mergeShadow,
+  type ProfileShadow,
+} from '#/state/cache/profile-shadow'
 import {
   ACTIVE_POLL_INTERVAL,
   BACKGROUND_POLL_INTERVAL,
@@ -118,6 +124,15 @@ export class Convo {
   private deletedMessages: Set<string> = new Set()
   private relatedProfiles: Map<string, ChatBskyActorDefs.ProfileViewBasic> =
     new Map()
+  /**
+   * Accumulated profile shadow state, keyed by did. The profiles this agent
+   * holds come from direct service fetches, so they are invisible to the
+   * shadow cache's react-query scan. We keep our own overlay and re-apply it
+   * whenever server data overwrites `relatedProfiles` or `convo.members`,
+   * otherwise refreshes would revert optimistic state (e.g. a block) until
+   * the server catches up.
+   */
+  private profileShadows: Map<string, Partial<ProfileShadow>> = new Map()
 
   private isProcessingPendingMessages = false
 
@@ -168,16 +183,29 @@ export class Convo {
   private subscribers: (() => void)[] = []
 
   subscribe(subscriber: () => void) {
-    if (this.subscribers.length === 0) this.init()
+    if (this.subscribers.length === 0) {
+      this.cleanupProfileShadowListener = listenProfileShadowUpdate(
+        ({did, shadow}) => {
+          this.mergeProfileShadow(did, shadow)
+        },
+      )
+      this.init()
+    }
 
     this.subscribers.push(subscriber)
 
     return () => {
       this.subscribers = this.subscribers.filter(s => s !== subscriber)
-      if (this.subscribers.length === 0) this.suspend()
+      if (this.subscribers.length === 0) {
+        this.cleanupProfileShadowListener?.()
+        this.cleanupProfileShadowListener = undefined
+        this.suspend()
+      }
     }
   }
 
+  private cleanupProfileShadowListener: (() => void) | undefined
+
   getSnapshot(): ConvoState {
     if (!this.snapshot) this.snapshot = this.generateSnapshot()
     // logger.debug('snapshotted', {})
@@ -496,6 +524,9 @@ export class Convo {
     this.pendingMessages = new Map()
     this.deletedMessages = new Set()
     this.relatedProfiles = new Map()
+    // Shadow updates fired while suspended are missed, so the overlay may be
+    // stale - drop it and trust the from-scratch refetch.
+    this.profileShadows = new Map()
 
     this.pendingMessageFailure = null
     this.fetchMessageHistoryError = undefined
@@ -527,6 +558,7 @@ export class Convo {
         this.relatedProfiles.set(member.did, member)
       }
     }
+    this.applyProfileShadows()
   }
 
   private updateConvo(convo: Partial<ChatBskyConvoDefs.ConvoView>) {
@@ -537,6 +569,7 @@ export class Convo {
       for (const member of this.convo.members) {
         this.relatedProfiles.set(member.did, member)
       }
+      this.applyProfileShadows()
     }
   }
 
@@ -707,6 +740,7 @@ export class Convo {
         this.relatedProfiles.set(member.did, member)
       }
     } while (cursor)
+    this.applyProfileShadows()
   }
 
   private fetchMessageHistoryError: {retry: () => void} | undefined
@@ -753,6 +787,7 @@ export class Convo {
         for (const profile of relatedProfiles) {
           this.relatedProfiles.set(profile.did, profile)
         }
+        this.applyProfileShadows()
       }
 
       /*
@@ -875,6 +910,7 @@ export class Convo {
             for (const profile of ev.relatedProfiles) {
               this.relatedProfiles.set(profile.did, profile)
             }
+            this.applyProfileShadows()
           }
 
           if (
@@ -1485,4 +1521,86 @@ export class Convo {
       throw error
     }
   }
+
+  mergeProfileShadow(did: string, shadow: Partial<ProfileShadow>) {
+    // Accumulate even if the did isn't held yet - the profile may arrive
+    // later via message history or the member list, and must get the shadow.
+    this.profileShadows.set(did, {
+      ...this.profileShadows.get(did),
+      ...shadow,
+    })
+    if (this.applyProfileShadow(did, shadow)) {
+      this.commit()
+    }
+  }
+
+  /**
+   * Re-applies all accumulated shadows. Must be called after any server data
+   * lands in `relatedProfiles` or `this.convo`, since raw server profiles
+   * would otherwise clobber optimistic state.
+   */
+  private applyProfileShadows() {
+    for (const [did, shadow] of this.profileShadows) {
+      this.applyProfileShadow(did, shadow)
+    }
+  }
+
+  private applyProfileShadow(
+    did: string,
+    shadow: Partial<ProfileShadow>,
+  ): boolean {
+    let changed = false
+
+    const related = this.relatedProfiles.get(did)
+    if (related && !isProfileShadowApplied(related, shadow)) {
+      this.relatedProfiles.set(did, mergeShadow(related, shadow))
+      changed = true
+    }
+
+    if (this.convo) {
+      const next = applyShadowToConvo(this.convo, did, shadow)
+      if (next) {
+        this.convo = next
+        changed = true
+      }
+    }
+
+    return changed
+  }
+}
+
+/**
+ * Returns a new convo with the shadow merged into the matching member (and
+ * `primaryMember`, if it's the same profile), or null if nothing changed.
+ */
+function applyShadowToConvo(
+  convo: ConvoWithDetails,
+  did: string,
+  shadow: Partial<ProfileShadow>,
+): ConvoWithDetails | null {
+  const i = convo.members.findIndex(m => m.did === did)
+  if (i === -1) return null
+  if (isProfileShadowApplied(convo.members[i], shadow)) return null
+
+  // The branches are identical, but narrowing the union is what lets the
+  // member arrays keep their per-kind types.
+  if (convo.kind === 'group') {
+    const members = convo.members.slice()
+    members[i] = mergeShadow(members[i], shadow)
+    return {
+      ...convo,
+      members,
+      primaryMember:
+        convo.primaryMember?.did === did ? members[i] : convo.primaryMember,
+    }
+  } else {
+    const members = convo.members.slice()
+    members[i] = mergeShadow(members[i], shadow)
+    return {
+      ...convo,
+      members,
+      primaryMember:
+        convo.primaryMember.did === did ? members[i] : convo.primaryMember,
+    }
+  }
 }

src/state/queries/messages/get-status.ts

@@ -12,6 +12,8 @@ export function useChatActorStatusQuery() {
   const agent = useAgent()
 
   return useQuery({
+    gcTime: STALE.INFINITY,
+    staleTime: STALE.SECONDS.FIFTEEN,
     queryKey: chatActorStatusQueryKey(),
     queryFn: async () => {
       const {data} = await agent.chat.bsky.actor.getStatus(
@@ -21,7 +23,5 @@ export function useChatActorStatusQuery() {
 
       return data
     },
-    staleTime: STALE.INFINITY,
-    gcTime: STALE.INFINITY,
   })
 }

src/state/queries/profile.ts

@@ -528,6 +528,10 @@ export function useProfileBlockMutationQueue(
       updateProfileShadow(queryClient, did, {
         blockingUri: finalBlockingUri,
       })
+      // The shadow only reaches components that read profiles through shadow
+      // hooks. The convo list is also read raw (e.g. the unread badge's
+      // calculateCount, getMessageInfo), and blocks emit no chat log event,
+      // so without a refetch that data stays stale indefinitely.
       void queryClient.invalidateQueries({queryKey: [RQKEY_LIST_CONVOS]})
     },
   })