Fix TranscriptionAttributes not being converted correctly (#889)

* Fix TranscriptionAttributes not being converted correctly

* changesets and spotless

Author: davidliu

.changeset/strong-readers-matter.md

@@ -0,0 +1,5 @@
+---
+"client-sdk-android": patch
+---
+
+Fix transcription attributes not converting correctly

livekit-android-sdk/src/main/java/io/livekit/android/room/types/AgentTypesExt.kt

@@ -17,6 +17,7 @@
 package io.livekit.android.room.types
 
 import androidx.annotation.VisibleForTesting
+import kotlinx.serialization.SerializationException
 import kotlinx.serialization.decodeFromString
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonArray
@@ -35,6 +36,8 @@ internal fun AgentAttributes.Companion.fromJsonObject(jsonObject: JsonObject) =
     jsonSerializer.decodeFromJsonElement<AgentAttributes>(jsonObject)
 
 /**
+ * @throws [SerializationException] if the given JSON element is not a valid JSON input
+ * @throws [IllegalArgumentException] if the decoded input cannot be represented as a valid instance
  * @suppress
  */
 fun AgentAttributes.Companion.fromMap(map: Map<String, JsonElement>): AgentAttributes {
@@ -46,6 +49,8 @@ fun AgentAttributes.Companion.fromMap(map: Map<String, JsonElement>): AgentAttri
 }
 
 /**
+ * @throws [SerializationException] if the given JSON element is not a valid JSON input
+ * @throws [IllegalArgumentException] if the decoded input cannot be represented as a valid instance
  * @suppress
  */
 fun AgentAttributes.Companion.fromStringMap(map: Map<String, String>): AgentAttributes {
@@ -75,6 +80,8 @@ internal fun TranscriptionAttributes.Companion.fromJsonObject(jsonObject: JsonOb
     jsonSerializer.decodeFromJsonElement<TranscriptionAttributes>(jsonObject)
 
 /**
+ * @throws [SerializationException] if the given JSON element is not a valid JSON input
+ * @throws [IllegalArgumentException] if the decoded input cannot be represented as a valid instance
  * @suppress
  */
 fun TranscriptionAttributes.Companion.fromMap(map: Map<String, JsonElement>): TranscriptionAttributes {
@@ -86,6 +93,8 @@ fun TranscriptionAttributes.Companion.fromMap(map: Map<String, JsonElement>): Tr
 }
 
 /**
+ * @throws [SerializationException] if the given JSON element is not a valid JSON input
+ * @throws [IllegalArgumentException] if the decoded input cannot be represented as a valid instance
  * @suppress
  */
 fun TranscriptionAttributes.Companion.fromStringMap(map: Map<String, String>): TranscriptionAttributes {
@@ -107,5 +116,5 @@ fun TranscriptionAttributes.Companion.fromStringMap(map: Map<String, String>): T
 val TRANSCRIPTION_ATTRIBUTES_CONVERSION = mapOf<String, (String?) -> JsonElement?>(
     "lk.segment_id" to { json -> JsonPrimitive(json) },
     "lk.transcribed_track_id" to { json -> JsonPrimitive(json) },
-    "lk.transcription_final" to { json -> json?.let { jsonSerializer.decodeFromString<JsonArray>(json) } },
+    "lk.transcription_final" to { json -> json?.let { JsonPrimitive(json.toBooleanStrictOrNull()) } },
 )

livekit-android-test/src/test/java/io/livekit/android/room/types/TranscriptionAttributesTest.kt

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2026 LiveKit, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.livekit.android.room.types
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class TranscriptionAttributesTest {
+
+    @Test
+    fun simpleConversion() {
+        val attributes = mapOf(
+            "lk.transcribed_track_id" to "track_id",
+            "lk.transcription_final" to "false",
+            "lk.segment_id" to "segment_id",
+        )
+
+        val transcriptionAttributes = TranscriptionAttributes.fromStringMap(attributes)
+
+        assertEquals("track_id", transcriptionAttributes.lkTranscribedTrackID)
+        assertEquals(false, transcriptionAttributes.lkTranscriptionFinal)
+        assertEquals("segment_id", transcriptionAttributes.lkSegmentID)
+    }
+}