API modules do not need to setup dependency injection.

Move the implementation to the impl modules.

libraries/recentemojis/impl/src/main/kotlin/io/element/android/libraries/recentemojis/impl/DefaultAddRecentEmoji.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.recentemojis.impl
+
+import dev.zacsweers.metro.ContributesBinding
+import io.element.android.libraries.core.coroutine.CoroutineDispatchers
+import io.element.android.libraries.di.SessionScope
+import io.element.android.libraries.matrix.api.MatrixClient
+import io.element.android.libraries.recentemojis.api.AddRecentEmoji
+import kotlinx.coroutines.withContext
+
+@ContributesBinding(SessionScope::class)
+class DefaultAddRecentEmoji(
+    private val client: MatrixClient,
+    private val dispatchers: CoroutineDispatchers,
+) : AddRecentEmoji {
+    override suspend operator fun invoke(emoji: String): Result<Unit> = withContext(dispatchers.io) {
+        client.addRecentEmoji(emoji)
+    }
+}