fix(chat-room): 접근성 라벨 및 다국어 문자열 적용

- 레이아웃 contentDescription 하드코딩 제거 및 strings 리소스화
- ChatMessageAdapter 접근성 문구를 리소스 기반으로 변환
- values-en 추가로 안내/버튼/접근성/상태 문구 영문화
- 타이핑 인디케이터 접근성 라벨 추가

app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageAdapter.kt

@@ -323,11 +323,12 @@ class ChatMessageAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
             // 그룹 내부 간격 최소화 (상단 패딩 축소)
             adjustTopPadding(isGrouped)
 
-            // 접근성: 상태 포함 설명
+            // 접근성: 상태 포함 설명 (리소스 기반)
+            val ctx = binding.root.context
             val statusDesc = when (data.status) {
-                MessageStatus.SENDING -> "전송 중"
+                MessageStatus.SENDING -> ctx.getString(R.string.status_sending)
-                MessageStatus.FAILED -> "전송 실패"
+                MessageStatus.FAILED -> ctx.getString(R.string.status_failed)
-                MessageStatus.SENT -> "전송 완료"
+                MessageStatus.SENT -> ctx.getString(R.string.status_sent)
             }
 
             val timeDesc = if (showTime) {
@@ -336,8 +337,9 @@ class ChatMessageAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
                 ""
             }
 
+            val myPrefix = ctx.getString(R.string.a11y_my_message_prefix)
             binding.root.contentDescription =
-                "내 메시지 ${binding.tvMessage.text}, $statusDesc, $timeDesc"
+                "$myPrefix ${binding.tvMessage.text}, $statusDesc, $timeDesc"
         }
 
         private fun adjustTopPadding(isGrouped: Boolean) {
@@ -379,13 +381,16 @@ class ChatMessageAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
             // 그룹 내부 간격 최소화 (상단 패딩 축소)
             adjustTopPadding(isGrouped)
 
-            // 접근성
+            // 접근성: 다국어 대응
+            val ctx = itemView.context
+            val messageWord = ctx.getString(R.string.a11y_message_word)
             itemView.contentDescription = buildString {
                 if (!isGrouped && !binding.tvName.text.isNullOrEmpty()) {
                     append(binding.tvName.text)
                     append(" ")
                 }
-                append("메시지 ")
+                append(messageWord)
+                append(" ")
                 append(binding.tvMessage.text)
                 if (showTime) {
                     append(", ")

app/src/main/res/layout/activity_chat_room.xml

@@ -16,7 +16,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        android:contentDescription="프로필 배경 이미지" />
+        android:contentDescription="@string/a11y_profile_background" />
 
     <!-- 딤 처리 (activity_character_detail.xml의 view_character_dim 스타일 참조) -->
     <View
@@ -58,7 +58,7 @@
             android:layout_width="24dp"
             android:layout_height="24dp"
             android:src="@drawable/ic_back"
-            android:contentDescription="뒤로가기"
+            android:contentDescription="@string/a11y_back"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent" />
@@ -69,7 +69,7 @@
             android:layout_height="36dp"
             android:layout_marginStart="12dp"
             android:src="@drawable/ic_placeholder_profile"
-            android:contentDescription="프로필 이미지"
+            android:contentDescription="@string/a11y_profile_image"
             app:layout_constraintStart_toEndOf="@id/iv_back"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent" />
@@ -126,7 +126,7 @@
             android:layout_height="20dp"
             android:src="@android:drawable/ic_dialog_info"
             app:tint="#FFFFFFFF"
-            android:contentDescription="안내"
+            android:contentDescription="@string/a11y_notice"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent" />
@@ -139,7 +139,7 @@
             android:layout_marginEnd="8dp"
             android:textColor="#FFFFFFFF"
             android:textSize="12sp"
-            android:text="AI Clone은 크리에이터의 정보를 기반으로 대화하지만, 모든 정보를 완벽하게 반영하거나 실제 대화와 일치하지 않을 수 있습니다."
+            android:text="@string/chat_notice_clone"
             app:layout_constraintStart_toEndOf="@id/iv_notice_icon"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent"
@@ -151,7 +151,7 @@
             android:layout_height="20dp"
             android:src="@android:drawable/arrow_up_float"
             app:tint="#FFFFFFFF"
-            android:contentDescription="접기"
+            android:contentDescription="@string/a11y_collapse"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent" />

app/src/main/res/layout/item_chat_ai_message.xml

@@ -23,7 +23,7 @@
         android:layout_marginEnd="8dp"
         android:scaleType="centerCrop"
         android:src="@drawable/ic_placeholder_profile"
-        android:contentDescription="AI 프로필 이미지"
+        android:contentDescription="@string/a11y_ai_profile_image"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent" />

app/src/main/res/layout/item_chat_typing_indicator.xml

@@ -12,7 +12,8 @@
     android:paddingStart="12dp"
     android:paddingEnd="12dp"
     android:paddingTop="6dp"
-    android:paddingBottom="6dp">
+    android:paddingBottom="6dp"
+    android:contentDescription="@string/a11y_typing">
 
     <!-- 프로필 이미지 (AI) -->
     <ImageView
@@ -22,7 +23,7 @@
         android:layout_marginEnd="8dp"
         android:scaleType="centerCrop"
         android:src="@drawable/ic_placeholder_profile"
-        android:contentDescription="AI 프로필 이미지"
+        android:contentDescription="@string/a11y_ai_profile_image"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent" />

app/src/main/res/values-en/strings.xml

@@ -0,0 +1,24 @@
+<resources>
+    <!-- Chat Room UI strings (English) -->
+    <string name="chat_notice_clone">AI Clone converses based on the creator\'s information, but it may not perfectly reflect all details or match real conversations.</string>
+    <string name="chat_notice_character">VoiceOn AI Character Talk allows a high degree of freedom. You can be anyone in the conversation. Talk as a character in a universe or create your own story with a new persona together with the character.\nNote: AI Character Talk is in open beta; conversations may be awkward or incomplete.</string>
+    <string name="chat_input_placeholder">Type a message</string>
+    <string name="action_send">Send</string>
+    <string name="action_retry">Retry</string>
+
+    <!-- Accessibility labels -->
+    <string name="a11y_profile_background">Profile background image</string>
+    <string name="a11y_back">Back</string>
+    <string name="a11y_profile_image">Profile image</string>
+    <string name="a11y_notice">Notice</string>
+    <string name="a11y_collapse">Collapse</string>
+    <string name="a11y_ai_profile_image">AI profile image</string>
+    <string name="a11y_typing">Typing…</string>
+
+    <!-- Accessibility phrases for adapter -->
+    <string name="a11y_my_message_prefix">My message</string>
+    <string name="a11y_message_word">Message</string>
+    <string name="status_sending">Sending</string>
+    <string name="status_failed">Failed to send</string>
+    <string name="status_sent">Sent</string>
+</resources>

app/src/main/res/values/strings.xml

@@ -19,4 +19,19 @@
     <string name="chat_input_placeholder">메세지를 입력하세요.</string>
     <string name="action_send">전송</string>
     <string name="action_retry">다시 전송</string>
+    <!-- Accessibility labels -->
+    <string name="a11y_profile_background">프로필 배경 이미지</string>
+    <string name="a11y_back">뒤로가기</string>
+    <string name="a11y_profile_image">프로필 이미지</string>
+    <string name="a11y_notice">안내</string>
+    <string name="a11y_collapse">접기</string>
+    <string name="a11y_ai_profile_image">AI 프로필 이미지</string>
+    <string name="a11y_typing">상대방이 입력 중</string>
+
+    <!-- Accessibility phrases for adapter -->
+    <string name="a11y_my_message_prefix">내 메시지</string>
+    <string name="a11y_message_word">메시지</string>
+    <string name="status_sending">전송 중</string>
+    <string name="status_failed">전송 실패</string>
+    <string name="status_sent">전송 완료</string>
 </resources>