Align starter pack opt-out with AppView state

src/screens/StarterPack/StarterPackScreen.tsx

@@ -665,6 +665,7 @@ function OverflowMenu({
                 </Menu.ItemText>
                 <Menu.ItemIcon icon={CircleInfo} position="right" />
               </Menu.Item>
+              {starterPack.list ? (
                 <Menu.Item
                   label={
                     referenceListOptOut
@@ -681,6 +682,7 @@ function OverflowMenu({
                     )}
                   </Menu.ItemText>
                 </Menu.Item>
+              ) : null}
             </>
           )}
         </Menu.Outer>
@@ -740,6 +742,7 @@ function OverflowMenu({
         </Prompt.Actions>
       </Prompt.Outer>
 
+      {starterPack.list ? (
         <Prompt.Outer control={optOutDialogControl}>
           <Prompt.TitleText>
             {referenceListOptOut ? (
@@ -785,6 +788,7 @@ function OverflowMenu({
             <Prompt.Cancel />
           </Prompt.Actions>
         </Prompt.Outer>
+      ) : null}
 
       <CreateListFromStarterPackDialog
         control={convertToListDialogControl}

src/state/queries/starter-packs.ts

@@ -113,17 +113,30 @@ export function useReferenceListOptOutMutation({
         nextOptOut = result.uri
       }
 
+      let didReadViewerState = false
       await until(
         5,
         1e3,
-        (value, error) =>
-          !error &&
-          value.starterPack.list?.viewer?.referenceListOptOut === nextOptOut,
+        (value, error) => {
+          if (error) return false
+
+          didReadViewerState = true
+          nextOptOut = value.starterPack.list?.viewer?.referenceListOptOut
+
+          // AppView ignores duplicate records and continues to expose the URI
+          // of the record it indexed first. Treat that viewer state as the
+          // source of truth instead of waiting for the newly-created URI.
+          return referenceListOptOut ? !nextOptOut : Boolean(nextOptOut)
+        },
         async () =>
           await appviewClient.call(app.bsky.graph.getStarterPack, {
             starterPack: starterPack.uri,
           }),
       )
+
+      if (!didReadViewerState) {
+        throw new Error('Unable to read starter pack opt-out state')
+      }
       return nextOptOut
     },
     onMutate: async ({referenceListOptOut}) => {