show media buttons only in mesh (#487)

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

@@ -99,6 +99,13 @@ fun ChatScreen(viewModel: ChatViewModel) {
         }
     }
 
+    // Determine whether to show media buttons (only hide in geohash location chats)
+    val showMediaButtons = when {
+        selectedPrivatePeer != null -> true
+        currentChannel != null -> true
+        else -> selectedLocationChannel !is com.bitchat.android.geohash.ChannelID.Location
+    }
+
     // Use WindowInsets to handle keyboard properly
     Box(
         modifier = Modifier
@@ -227,7 +234,8 @@ fun ChatScreen(viewModel: ChatViewModel) {
                 selectedPrivatePeer = selectedPrivatePeer,
                 currentChannel = currentChannel,
                 nickname = nickname,
-                colorScheme = colorScheme
+                colorScheme = colorScheme,
+                showMediaButtons = showMediaButtons
             )
         }
 
@@ -386,7 +394,8 @@ private fun ChatInputSection(
     selectedPrivatePeer: String?,
     currentChannel: String?,
     nickname: String,
-    colorScheme: ColorScheme
+    colorScheme: ColorScheme,
+    showMediaButtons: Boolean
 ) {
     Surface(
         modifier = Modifier.fillMaxWidth(),
@@ -422,6 +431,7 @@ private fun ChatInputSection(
                 selectedPrivatePeer = selectedPrivatePeer,
                 currentChannel = currentChannel,
                 nickname = nickname,
+                showMediaButtons = showMediaButtons,
                 modifier = Modifier.fillMaxWidth()
             )
         }

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

@@ -170,6 +170,7 @@ fun MessageInput(
     selectedPrivatePeer: String?,
     currentChannel: String?,
     nickname: String,
+    showMediaButtons: Boolean,
     modifier: Modifier = Modifier
 ) {
     val colorScheme = MaterialTheme.colorScheme
@@ -252,8 +253,8 @@ fun MessageInput(
         
         Spacer(modifier = Modifier.width(8.dp)) // Reduced spacing
         
-        // Voice and image buttons when no text (always visible for mesh + channels + private)
-        if (value.text.isEmpty()) {
+        // Voice and image buttons when no text (only visible in Mesh chat)
+        if (value.text.isEmpty() && showMediaButtons) {
             // Hold-to-record microphone
             val bg = if (colorScheme.background == Color.Black) Color(0xFF00FF00).copy(alpha = 0.75f) else Color(0xFF008000).copy(alpha = 0.75f)