Nostr refactor simplify (#390)

* fix bug

* geoDM receive works, send doesnt, and incoming message doesnt make sender appear in peer list

* fix nostr dm

* geohash dms work

* Geohash DM UI: stop mixing Nostr DM temp chats into mesh offline list; ensure geohash DM senders are added to geohash people list only. Removed nostr_* sidebar append in PeopleSection; kept 64-hex mesh offline favorites. Verified build.

* refactor

* nice

* works

* merging nostr -> mesh works

* tripple click to delete all

* fix sidebar icon

* remove hash

* dms have correct recipient

* works

* wip unread badge

* geohash dms wip

* dms work

app/src/main/java/com/bitchat/android/mesh/MessageHandler.kt

@@ -452,7 +452,9 @@ class MessageHandler(private val myPeerID: String) {
             if (noiseKey != null) {
                 com.bitchat.android.favorites.FavoritesPersistenceService.shared.updatePeerFavoritedUs(noiseKey, isFavorite)
                 if (npub != null) {
+                    // Index by noise key and current mesh peerID for fast Nostr routing
                     com.bitchat.android.favorites.FavoritesPersistenceService.shared.updateNostrPublicKey(noiseKey, npub)
+                    com.bitchat.android.favorites.FavoritesPersistenceService.shared.updateNostrPublicKeyForPeerID(fromPeerID, npub)
                 }
 
                 // Determine iOS-style guidance text