Fix some bugs with AI

packages/app/src/mutes.ts

@@ -10,16 +10,26 @@ import {
 } from "@welshman/store"
 import {repository} from "./core.js"
 import {ensurePlaintext} from "./plaintext.js"
+import {getSession} from "./session.js"
 import {makeOutboxLoader} from "./relayLists.js"
 
 export const muteListsByPubkey = deriveItemsByKey<PublishedList>({
   repository,
-  eventToItem: async (event: TrustedEvent) =>
-    readList(
-      asDecryptedEvent(event, {
-        content: await ensurePlaintext(event),
-      }),
-    ),
+  eventToItem: async (event: TrustedEvent) => {
+    const content = await ensurePlaintext(event)
+
+    // If this is our own mute list (we have a session for it) but it couldn't be
+    // decrypted yet because no signer is available, don't cache a result with empty
+    // private tags — that would get stuck permanently since deriveItemsByKey won't
+    // re-process an already-seen event id. Returning undefined leaves it uncached so it's
+    // retried once a signer is available. For other pubkeys' lists (no session) we fall
+    // through and read just the public tags, as before.
+    if (event.content && content === undefined && getSession(event.pubkey)) {
+      return undefined
+    }
+
+    return readList(asDecryptedEvent(event, {content}))
+  },
   filters: [{kinds: [MUTES]}],
   getKey: mute => mute.event.pubkey,
 })