fix teleport tag and icons (#303)

app/src/main/java/com/bitchat/android/geohash/LocationChannelManager.kt

@@ -149,8 +149,28 @@ class LocationChannelManager private constructor(private val context: Context) {
      */
     fun select(channel: ChannelID) {
         Log.d(TAG, "Selected channel: ${channel.displayName}")
-        _selectedChannel.postValue(channel)
+        // Use synchronous set to avoid race with background recomputation
+        _selectedChannel.value = channel
         saveChannelSelection(channel)
+
+        // Immediately recompute teleported status against the latest known location
+        lastLocation?.let { location ->
+            when (channel) {
+                is ChannelID.Mesh -> {
+                    _teleported.postValue(false)
+                }
+                is ChannelID.Location -> {
+                    val currentGeohash = Geohash.encode(
+                        latitude = location.latitude,
+                        longitude = location.longitude,
+                        precision = channel.channel.level.precision
+                    )
+                    val isTeleportedNow = currentGeohash != channel.channel.geohash
+                    _teleported.postValue(isTeleportedNow)
+                    Log.d(TAG, "Teleported (immediate recompute): $isTeleportedNow (current: $currentGeohash, selected: ${channel.channel.geohash})")
+                }
+            }
+        }
     }
     
     /**

app/src/main/java/com/bitchat/android/nostr/NostrGeohashService.kt

@@ -181,7 +181,8 @@ class NostrGeohashService(
                     content = content,
                     geohash = channel.geohash,
                     senderIdentity = identity,
-                    nickname = nickname
+                    nickname = nickname,
+                    teleported = teleported
                 )
                 
                 val nostrRelayManager = NostrRelayManager.getInstance(application)

app/src/main/java/com/bitchat/android/nostr/NostrProtocol.kt

@@ -99,7 +99,8 @@ object NostrProtocol {
         content: String,
         geohash: String,
         senderIdentity: NostrIdentity,
-        nickname: String? = null
+        nickname: String? = null,
+        teleported: Boolean = false
     ): NostrEvent {
         val tags = mutableListOf<List<String>>()
         tags.add(listOf("g", geohash))
@@ -108,6 +109,11 @@ object NostrProtocol {
             tags.add(listOf("n", nickname))
         }
         
+        if (teleported) {
+            // Use tag consistent with event handlers ("t","teleport")
+            tags.add(listOf("t", "teleport"))
+        }
+        
         val event = NostrEvent(
             pubkey = senderIdentity.publicKeyHex,
             createdAt = (System.currentTimeMillis() / 1000).toInt(),

app/src/main/java/com/bitchat/android/ui/GeohashPeopleList.kt

@@ -5,6 +5,8 @@ import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.*
+import androidx.compose.material.icons.outlined.Explore
+import androidx.compose.material.icons.outlined.LocationOn
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.runtime.livedata.observeAsState
@@ -182,8 +184,8 @@ private fun GeohashPersonItem(
             
             // Use appropriate Material icon (closest match to iOS SF Symbols)
             val icon = when (iconName) {
-                "face.dashed" -> Icons.Default.Face // Use regular face icon (no dashed variant in Material)
-                else -> Icons.Default.Face
+                "face.dashed" -> Icons.Outlined.Explore
+                else -> Icons.Outlined.LocationOn
             }
             
             Icon(