From 2790bea1d811556ade82dc526b8063cfb2ff5afa Mon Sep 17 00:00:00 2001
From: klaus <klaus@vividnext.co.kr>
Date: Thu, 14 Aug 2025 22:36:50 +0900
Subject: [PATCH] =?UTF-8?q?fix(chat-room):=20stable=20IDs=20=EC=84=A4?=
 =?UTF-8?q?=EC=A0=95=20=EC=8B=9C=EC=A0=90=EC=9D=84=20setAdapter=20?=
 =?UTF-8?q?=EC=9D=B4=EC=A0=84=EC=9C=BC=EB=A1=9C=20=EC=9D=B4=EB=8F=99?=
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- ChatMessageAdapter: onAttachedToRecyclerView에서 setHasStableIds 호출 제거
- ChatRoomActivity: 어댑터 생성 직후 setHasStableIds(true) 설정 후 RecyclerView에 연결

원인: 옵저버 등록 이후 setHasStableIds 변경으로 런타임 예외 발생
검증: 단위 테스트 모두 통과, 빌드 성공
---
 .../co/vividnext/sodalive/chat/talk/room/ChatMessageAdapter.kt | 3 +--
 .../co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt   | 2 ++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageAdapter.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageAdapter.kt
index 9706e116..54ac8c52 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageAdapter.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatMessageAdapter.kt
@@ -485,8 +485,7 @@ class ChatMessageAdapter : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
 
     override fun onAttachedToRecyclerView(recyclerView: RecyclerView) {
         super.onAttachedToRecyclerView(recyclerView)
-        // RecyclerView와 연결된 시점에 안정 ID 활성화 (JVM 테스트에서 NPE 회피)
-        setHasStableIds(true)
+        // 안정 ID는 어댑터 생성 시(init) 고정됨. 여기서는 연결 상태 플래그만 설정.
         isRecyclerViewAttached = true
     }
 
diff --git a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt
index 8ed0ef70..818eed33 100644
--- a/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt
+++ b/app/src/main/java/kr/co/vividnext/sodalive/chat/talk/room/ChatRoomActivity.kt
@@ -123,6 +123,8 @@ class ChatRoomActivity : BaseActivity<ActivityChatRoomBinding>(
         binding.rvMessages.layoutManager = layoutManager
 
         chatAdapter = ChatMessageAdapter().apply {
+            // RecyclerView에 연결하기 전에 안정 ID를 활성화해야 함
+            setHasStableIds(true)
             setCallback(object : ChatMessageAdapter.Callback {
                 override fun onRetrySend(localId: String) {
                     onRetrySendClicked(localId)