sodalive-android/app/src/main/res/layout/item_chat_ai_message.xml

<?xml version="1.0" encoding="utf-8"?><!--
  AI 메시지 아이템 레이아웃 (3.3)
  - 왼쪽 정렬된 메시지 버블
  - 프로필 이미지, 이름(조건부), 메시지, 시간(오른쪽, 조건부)
  - 배경: @drawable/bg_chat_ai_message
  - 그룹화 지원: iv_profile, tv_name, tv_time의 가시성을 어댑터에서 제어
-->
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <!-- 프로필 이미지 (그룹 첫 메시지에서만 보임) -->
    <ImageView
        android:id="@+id/iv_profile"
        android:layout_width="32dp"
        android:layout_height="32dp"
        android:layout_marginEnd="8dp"
        android:contentDescription="@string/a11y_ai_profile_image"
        android:scaleType="centerCrop"
        android:src="@drawable/ic_placeholder_profile"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/message_group" />

    <!-- 메시지 그룹: 이름 + 메시지 버블 -->
    <LinearLayout
        android:id="@+id/message_group"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="8dp"
        android:orientation="vertical"
        app:layout_constraintHorizontal_bias="0"
        app:layout_constraintStart_toEndOf="@id/iv_profile"
        app:layout_constraintEnd_toStartOf="@id/tv_time"
        app:layout_constraintTop_toTopOf="parent">

        <!-- 보낸이 이름 (그룹의 첫 메시지에서만 보임) -->
        <TextView
            android:id="@+id/tv_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="2dp"
            android:ellipsize="end"
            android:fontFamily="@font/regular"
            android:includeFontPadding="false"
            android:maxLines="1"
            android:textColor="@android:color/white"
            android:textSize="12sp" />

        <!-- 메시지 버블 컨테이너 -->
        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/message_container"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="@drawable/bg_chat_ai_message"
            android:paddingHorizontal="10dp"
            android:paddingVertical="8dp">

            <TextView
                android:id="@+id/tv_message"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:breakStrategy="balanced"
                android:ellipsize="end"
                android:fontFamily="@font/regular"
                android:hyphenationFrequency="normal"
                android:includeFontPadding="false"
                android:lineSpacingExtra="2dp"
                android:maxLines="1000"
                android:textColor="@android:color/white"
                android:textSize="15sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </androidx.constraintlayout.widget.ConstraintLayout>

        <!-- 이미지 메시지 컨테이너 (텍스트 버블 대신 표시) -->
        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/image_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:visibility="gone">

            <ImageView
                android:id="@+id/iv_image"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:contentDescription="@null"
                android:scaleType="centerCrop"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintDimensionRatio="4:5" />

            <LinearLayout
                android:id="@+id/ll_lock"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="vertical"
                android:visibility="gone"
                app:layout_constraintTop_toTopOf="@id/iv_image"
                app:layout_constraintBottom_toBottomOf="@id/iv_image"
                app:layout_constraintStart_toStartOf="@id/iv_image"
                app:layout_constraintEnd_toEndOf="@id/iv_image">

                <LinearLayout
                    android:id="@+id/btn_buy"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="10dp"
                    android:background="@drawable/bg_buy_button"
                    android:gravity="center_vertical"
                    android:paddingHorizontal="10dp"
                    android:paddingVertical="3dp">

                    <ImageView
                        android:layout_width="16dp"
                        android:layout_height="16dp"
                        android:layout_marginEnd="4dp"
                        android:contentDescription="@null"
                        android:src="@drawable/ic_can" />

                    <TextView
                        android:id="@+id/tv_price"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:fontFamily="@font/bold"
                        android:textColor="#263238"
                        android:textSize="16sp" />
                </LinearLayout>

                <TextView
                    android:id="@+id/tv_unlock"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:fontFamily="@font/bold"
                    android:text="@string/chat_unlock_image_hint"
                    android:textColor="@android:color/white"
                    android:textSize="18sp" />
            </LinearLayout>
        </androidx.constraintlayout.widget.ConstraintLayout>
    </LinearLayout>

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline_90"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.9" />

    <!-- 전송 시간: 버블의 오른쪽에 표시 (그룹의 마지막 메시지에서만 보임) -->
    <TextView
        android:id="@+id/tv_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        android:fontFamily="@font/regular"
        android:includeFontPadding="false"
        android:textColor="@color/color_777777"
        android:textSize="12sp"
        app:layout_constraintBottom_toBottomOf="@id/message_group"
        app:layout_constraintStart_toEndOf="@id/message_group"
        app:layout_constraintEnd_toEndOf="@id/guideline_90" />

</androidx.constraintlayout.widget.ConstraintLayout>