android: chat list preview cleanup without emoji icons

android/CHANGELOG.md

@@ -521,3 +521,7 @@
 - Bound chats top bar title to realtime state:
   - shows `Connecting...` while reconnect/initial connect is in progress,
   - shows regular page title once connected.
+
+### Step 84 - Chats list preview icon policy cleanup
+- Updated chat last-message preview text to remove emoji prefixes.
+- Switched media-type preview prefixes to plain text labels (`Photo`, `Video`, `Voice`, etc.) to match Material-icons-only UI policy.

android/app/src/main/java/ru/daemonlord/messenger/ui/chats/ChatListScreen.kt

@@ -716,22 +716,22 @@ private fun CenterState(
 private fun ChatItem.previewText(): String {
     val raw = lastMessageText.orEmpty().trim()
     val prefix = when (lastMessageType) {
-        "image" -> "\uD83D\uDDBC"
-        "video" -> "\uD83C\uDFA5"
-        "audio" -> "\uD83C\uDFB5"
-        "voice" -> "\uD83C\uDFA4"
-        "file" -> "\uD83D\uDCCE"
-        "circle_video" -> "\u25EF"
+        "image" -> "Photo"
+        "video" -> "Video"
+        "audio" -> "Audio"
+        "voice" -> "Voice"
+        "file" -> "File"
+        "circle_video" -> "Video message"
         else -> ""
     }
-    if (raw.isNotEmpty()) return if (prefix.isBlank()) raw else "$prefix $raw"
+    if (raw.isNotEmpty()) return if (prefix.isBlank()) raw else "$prefix: $raw"
     return when (lastMessageType) {
-        "image" -> "\uD83D\uDDBC Photo"
-        "video" -> "\uD83C\uDFA5 Video"
-        "audio" -> "\uD83C\uDFB5 Audio"
-        "voice" -> "\uD83C\uDFA4 Voice message"
-        "file" -> "\uD83D\uDCCE File"
-        "circle_video" -> "\u25EF Video message"
+        "image" -> "Photo"
+        "video" -> "Video"
+        "audio" -> "Audio"
+        "voice" -> "Voice message"
+        "file" -> "File"
+        "circle_video" -> "Video message"
         null, "text" -> ""
         else -> "Media"
     }