Add MatrixClient.isUserStatusSupported

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -99,6 +99,9 @@ interface MatrixClient {
 
     /** Clears both m.status and m.call profile fields (maps to DELETE on the profile endpoint per MSC4426). */
     suspend fun clearUserStatus(): Result<Unit>
+
+    /** Whether the homeserver advertises support for user status (MSC4426). */
+    suspend fun isUserStatusSupported(): Result<Boolean>
     suspend fun joinRoom(roomId: RoomId): Result<RoomInfo?>
     suspend fun joinRoomByIdOrAlias(roomIdOrAlias: RoomIdOrAlias, serverNames: List<String>): Result<RoomInfo?>
     suspend fun knockRoom(roomIdOrAlias: RoomIdOrAlias, message: String, serverNames: List<String>): Result<RoomInfo?>

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt

@@ -505,6 +505,12 @@ class RustMatrixClient(
         }
     }
 
+    override suspend fun isUserStatusSupported(): Result<Boolean> = withContext(sessionDispatcher) {
+        runCatchingExceptions {
+            innerClient.isUserStatusSupported()
+        }
+    }
+
     override suspend fun joinRoom(roomId: RoomId): Result<RoomInfo?> = withContext(sessionDispatcher) {
         runCatchingExceptions {
             innerClient.joinRoomById(roomId.value).destroy()

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -144,6 +144,7 @@ class FakeMatrixClient(
         private set
     var setUserStatusResult: Result<Unit> = Result.success(Unit)
     var clearUserStatusResult: Result<Unit> = Result.success(Unit)
+    var isUserStatusSupportedResult: Result<Boolean> = Result.success(true)
 
     private val _userProfile: MutableStateFlow<MatrixUser> = MutableStateFlow(MatrixUser(sessionId, userDisplayName, userAvatarUrl))
     override val userProfile: StateFlow<MatrixUser> = _userProfile
@@ -288,6 +289,8 @@ class FakeMatrixClient(
         return clearUserStatusResult
     }
 
+    override suspend fun isUserStatusSupported(): Result<Boolean> = isUserStatusSupportedResult
+
     override suspend fun joinRoom(roomId: RoomId): Result<RoomInfo?> = joinRoomLambda(roomId)
 
     override suspend fun joinRoomByIdOrAlias(roomIdOrAlias: RoomIdOrAlias, serverNames: List<String>): Result<RoomInfo?> {