diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/CharacterInfo.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/CharacterInfo.kt
similarity index 91%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/CharacterInfo.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/CharacterInfo.kt
index 68101998..7f08bb8a 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/CharacterInfo.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/CharacterInfo.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 채팅방 캐릭터 정보 모델
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessage.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessage.kt
similarity index 95%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessage.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessage.kt
index 2f6d1416..23cca8d1 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessage.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessage.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 채팅 메시지 모델 (서버 응답 기반)
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessageMappers.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageMappers.kt
similarity index 91%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessageMappers.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageMappers.kt
index 9f4ea163..75938a98 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessageMappers.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageMappers.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 채팅 메시지 매핑 유틸리티
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessagesResponse.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessagesResponse.kt
similarity index 88%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessagesResponse.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessagesResponse.kt
index 2e7cd6cd..556e6adc 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatMessagesResponse.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessagesResponse.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 점진적 메시지 로딩 응답 모델
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatRoomEnterResponse.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomEnterResponse.kt
similarity index 90%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatRoomEnterResponse.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomEnterResponse.kt
index bc17a19e..b378e244 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ChatRoomEnterResponse.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomEnterResponse.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 통합 채팅방 입장 응답 모델
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatTalkRoomModule.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatTalkRoomModule.kt
new file mode 100644
index 00000000..3c6e9bb4
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatTalkRoomModule.kt
@@ -0,0 +1,13 @@
+package kr.co.vividnext.sodalive.chat.talk.room
+
+import kr.co.vividnext.sodalive.chat.talk.room.db.ChatMessageDatabase
+import org.koin.android.ext.koin.androidContext
+import org.koin.dsl.module
+
+val chatTalkRoomModule = module {
+    // Database
+    single { ChatMessageDatabase.getDatabase(androidContext()) }
+
+    // DAO
+    single { get<ChatMessageDatabase>().chatMessageDao() }
+}
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/MessageStatus.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/MessageStatus.kt
similarity index 85%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/MessageStatus.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/MessageStatus.kt
index 63167f64..a2134426 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/MessageStatus.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/MessageStatus.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 채팅방 메시지 전송 상태 Enum
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/MessageType.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/MessageType.kt
similarity index 84%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/MessageType.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/MessageType.kt
index e82e0ab0..042b1cc4 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/MessageType.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/MessageType.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 채팅방 메시지 타입 Enum
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ServerChatMessage.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ServerChatMessage.kt
similarity index 92%
rename from app/src/main/java/kr/co/vividnext/sodalive/chat/room/ServerChatMessage.kt
rename to app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ServerChatMessage.kt
index 0520dfe2..04cac086 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/room/ServerChatMessage.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ServerChatMessage.kt
@@ -1,7 +1,7 @@
 /*
  * 보이스온 - 채팅 메시지 모델 (서버 응답 전용 DTO)
  */
-package kr.co.vividnext.sodalive.chat.room
+package kr.co.vividnext.sodalive.chat.talk.room
 
 import androidx.annotation.Keep
 import com.google.gson.annotations.SerializedName
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageConverters.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageConverters.kt
new file mode 100644
index 00000000..73b7c875
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageConverters.kt
@@ -0,0 +1,17 @@
+/*
+ * 보이스온 - 채팅 메시지 Room TypeConverters
+ */
+package kr.co.vividnext.sodalive.chat.talk.room.db
+
+import androidx.room.TypeConverter
+import kr.co.vividnext.sodalive.chat.talk.room.MessageStatus
+
+object ChatMessageConverters {
+    @TypeConverter
+    @JvmStatic
+    fun fromStatus(value: MessageStatus?): String? = value?.name
+
+    @TypeConverter
+    @JvmStatic
+    fun toStatus(value: String?): MessageStatus? = value?.let { MessageStatus.valueOf(it) }
+}
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageDao.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageDao.kt
new file mode 100644
index 00000000..54267951
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageDao.kt
@@ -0,0 +1,32 @@
+/*
+ * 보이스온 - 채팅 메시지 DAO
+ */
+package kr.co.vividnext.sodalive.chat.talk.room.db
+
+import androidx.annotation.Keep
+import androidx.room.*
+
+@Keep
+@Dao
+interface ChatMessageDao {
+    @Query("SELECT * FROM chat_messages WHERE roomId = :roomId ORDER BY createdAt DESC LIMIT 20")
+    suspend fun getRecentMessages(roomId: Long): List<ChatMessageEntity>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertMessage(message: ChatMessageEntity)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    suspend fun insertMessages(messages: List<ChatMessageEntity>)
+
+    @Update
+    suspend fun updateMessage(message: ChatMessageEntity)
+
+    @Query("DELETE FROM chat_messages WHERE roomId = :roomId AND createdAt < :cutoffTime")
+    suspend fun deleteOldMessages(roomId: Long, cutoffTime: Long)
+
+    @Query("DELETE FROM chat_messages")
+    suspend fun deleteAllMessages()
+
+    @Query("SELECT DISTINCT roomId FROM chat_messages")
+    suspend fun getAllRoomIds(): List<Long>
+}
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageDatabase.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageDatabase.kt
new file mode 100644
index 00000000..032ba301
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageDatabase.kt
@@ -0,0 +1,37 @@
+/*
+ * 보이스온 - 채팅방 Room Database (ChatMessage 테이블 포함)
+ */
+package kr.co.vividnext.sodalive.chat.talk.room.db
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import androidx.room.TypeConverters
+
+@Database(
+    entities = [ChatMessageEntity::class],
+    version = 1,
+    exportSchema = false
+)
+@TypeConverters(ChatMessageConverters::class)
+abstract class ChatMessageDatabase : RoomDatabase() {
+    abstract fun chatMessageDao(): ChatMessageDao
+
+    companion object {
+        @Volatile
+        private var INSTANCE: ChatMessageDatabase? = null
+
+        fun getDatabase(context: Context): ChatMessageDatabase {
+            return INSTANCE ?: synchronized(this) {
+                val instance = Room.databaseBuilder(
+                    context.applicationContext,
+                    ChatMessageDatabase::class.java,
+                    "chat_database"
+                ).build()
+                INSTANCE = instance
+                instance
+            }
+        }
+    }
+}
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageEntity.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageEntity.kt
new file mode 100644
index 00000000..705bed8a
--- /dev/null
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/db/ChatMessageEntity.kt
@@ -0,0 +1,22 @@
+/*
+ * 보이스온 - 채팅 메시지 Room Entity
+ */
+package kr.co.vividnext.sodalive.chat.talk.room.db
+
+import androidx.annotation.Keep
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import kr.co.vividnext.sodalive.chat.talk.room.MessageStatus
+
+@Keep
+@Entity(tableName = "chat_messages")
+data class ChatMessageEntity(
+    @PrimaryKey val messageId: Long,
+    val roomId: Long,
+    val message: String,
+    val profileImageUrl: String,
+    val mine: Boolean,
+    val createdAt: Long,
+    val status: MessageStatus = MessageStatus.SENT,
+    val localId: String? = null
+)
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/di/AppDI.kt b/app/src/main/java/kr/co/vividnext/sodalive/di/AppDI.kt
index 632af85c..0e95a4e3 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/di/AppDI.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/di/AppDI.kt
@@ -146,6 +146,7 @@ import kr.co.vividnext.sodalive.mypage.profile.tag.MemberTagApi
 import kr.co.vividnext.sodalive.mypage.profile.tag.MemberTagRepository
 import kr.co.vividnext.sodalive.mypage.profile.tag.MemberTagViewModel
 import kr.co.vividnext.sodalive.mypage.recent.recentContentModule
+import kr.co.vividnext.sodalive.chat.talk.room.chatTalkRoomModule
 import kr.co.vividnext.sodalive.mypage.service_center.FaqApi
 import kr.co.vividnext.sodalive.mypage.service_center.FaqRepository
 import kr.co.vividnext.sodalive.mypage.service_center.ServiceCenterViewModel
@@ -410,6 +411,7 @@ class AppDI(private val context: Context, isDebugMode: Boolean) {
         viewModelModule,
         repositoryModule,
         recentContentModule,
+        chatTalkRoomModule,
         otherModule
     )