feat: support max users in voice channels

app/src/main/java/chat/stoat/composables/screens/chat/drawer/ChannelSideDrawer.kt

@@ -103,6 +103,7 @@ import chat.stoat.core.model.util.UserVoiceState
 import chat.stoat.screens.chat.ChatRouterDestination
 import chat.stoat.screens.chat.LocalIsConnected
 import chat.stoat.sheets.ChannelContextSheet
+import chat.stoat.ui.theme.FragmentMono
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.supervisorScope
@@ -957,10 +958,10 @@ fun ChannelItem(
                     },
                     style = MaterialTheme.typography.bodyMedium,
                     maxLines = 1,
-                    overflow = TextOverflow.Ellipsis
+                    overflow = TextOverflow.Ellipsis,
+                    modifier = Modifier.weight(1f)
                 )
                 if (hasUnread && !isCurrent) {
-                    Spacer(Modifier.weight(1f))
                     Box(
                         Modifier
                             .clip(CircleShape)
@@ -968,6 +969,19 @@ fun ChannelItem(
                             .requiredSize(8.dp)
                     )
                 }
+                channel.voice?.maxUsers?.let { maxUsers ->
+                    val participantCount = channel.id
+                        ?.let { StoatAPI.voiceStateCache[it]?.participants?.size }
+                        ?: 0
+                    Text(
+                        text = "$participantCount/$maxUsers",
+                        style = MaterialTheme.typography.bodySmall.copy(
+                            fontFamily = FragmentMono
+                        ),
+                        color = LocalContentColor.current.copy(alpha = 0.7f),
+                        maxLines = 1
+                    )
+                }
             }
 
             if (showVoiceParticipants &&

core/model/src/main/java/chat/stoat/core/model/schemas/Channel.kt

@@ -9,7 +9,6 @@ import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
 import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
-import kotlinx.serialization.json.JsonElement
 
 @Serializable
 data class MessagesInChannel(
@@ -78,7 +77,7 @@ data class Channel(
     @SerialName("default_permissions")
     val defaultPermissions: PermissionDescription? = null,
     val nsfw: Boolean? = null,
-    val voice: JsonElement? = null,
+    val voice: VoiceInformation? = null,
     val slowmode: Long? = null,
     val type: String? = null // this is _only_ used for websocket events!
 ) {
@@ -106,6 +105,12 @@ data class Channel(
     }
 }
 
+@Serializable
+data class VoiceInformation(
+    @SerialName("max_users")
+    val maxUsers: Int? = null
+)
+
 @Serializable
 data class ChannelSlowmode(
     @SerialName("channel_id")