Add a way to clear the cache for a specific room.

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

@@ -232,6 +232,11 @@ interface MatrixRoom : Closeable {
      */
     suspend fun setUnreadFlag(isUnread: Boolean): Result<Unit>
 
+    /**
+     * Clear the event cache storage for the current room.
+     */
+    suspend fun clearEventCacheStorage(): Result<Unit>
+
     /**
      * Share a location message in the room.
      *

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

@@ -569,6 +569,12 @@ class RustMatrixRoom(
         }
     }
 
+    override suspend fun clearEventCacheStorage(): Result<Unit> = withContext(roomDispatcher) {
+        runCatching {
+            innerRoom.clearEventCacheStorage()
+        }
+    }
+
     override suspend fun kickUser(userId: UserId, reason: String?): Result<Unit> = withContext(roomDispatcher) {
         runCatching {
             innerRoom.kickUser(userId.value, reason)

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

@@ -574,6 +574,10 @@ class FakeMatrixRoom(
     fun givenRoomMembersState(state: MatrixRoomMembersState) {
         membersStateFlow.value = state
     }
+
+    override suspend fun clearEventCacheStorage(): Result<Unit> {
+        return Result.success(Unit)
+    }
 }
 
 fun defaultRoomPowerLevels() = MatrixRoomPowerLevels(