diff --git a/common/src/main/java/kr/tkrmagid/chatanswer/core/ChatAnswerCore.java b/common/src/main/java/kr/tkrmagid/chatanswer/core/ChatAnswerCore.java
index ba0d06d..611be67 100644
--- a/common/src/main/java/kr/tkrmagid/chatanswer/core/ChatAnswerCore.java
+++ b/common/src/main/java/kr/tkrmagid/chatanswer/core/ChatAnswerCore.java
@@ -38,16 +38,22 @@ public final class ChatAnswerCore {
      * 호출이 일어나지 않아 0b 로 유지되고, 모드가 있으면 첫 로그인 직후 1b 로 갱신.
      */
     public static void onPlayerJoin(ServerPlayer player) {
+        String name = player.getName().getString();
+        LOG.info("[{}] onPlayerJoin fired for {}", MOD_ID, name);
         MinecraftServer server = player.level().getServer();
-        if (server == null) return;
+        if (server == null) {
+            LOG.warn("[{}] onPlayerJoin: server is null, skipping active-flag set for {}", MOD_ID, name);
+            return;
+        }
         CommandSourceStack source = server.createCommandSourceStack().withSuppressedOutput();
         try {
             server.getCommands().performPrefixedCommand(
                 source,
                 "data modify storage chat_answer:status active set value 1b"
             );
+            LOG.info("[{}] active=1b set after {} joined", MOD_ID, name);
         } catch (Exception e) {
-            LOG.debug("[{}] failed to set active flag: {}", MOD_ID, e.toString());
+            LOG.warn("[{}] failed to set active flag for {}: {}", MOD_ID, name, e.toString(), e);
         }
     }
 
diff --git a/fabric-1216/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java b/fabric-1216/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java
index 587f5b4..ea8de97 100644
--- a/fabric-1216/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java
+++ b/fabric-1216/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java
@@ -4,15 +4,26 @@ import kr.tkrmagid.chatanswer.core.ChatAnswerCore;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.message.v1.ServerMessageEvents;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public final class ChatAnswerFabric implements ModInitializer {
+    private static final Logger LOG = LoggerFactory.getLogger(ChatAnswerCore.MOD_ID);
+
     @Override
     public void onInitialize() {
-        ServerMessageEvents.ALLOW_CHAT_MESSAGE.register((message, sender, params) ->
-            ChatAnswerCore.handleChat(sender, message.signedContent())
-        );
-        ServerPlayConnectionEvents.JOIN.register((handler, sender, server) ->
-            ChatAnswerCore.onPlayerJoin(handler.player)
-        );
+        LOG.info("[{}] Fabric entrypoint onInitialize starting", ChatAnswerCore.MOD_ID);
+        try {
+            ServerMessageEvents.ALLOW_CHAT_MESSAGE.register((message, sender, params) ->
+                ChatAnswerCore.handleChat(sender, message.signedContent())
+            );
+            ServerPlayConnectionEvents.JOIN.register((handler, sender, server) ->
+                ChatAnswerCore.onPlayerJoin(handler.player)
+            );
+            LOG.info("[{}] Fabric entrypoint registered: ALLOW_CHAT_MESSAGE + JOIN", ChatAnswerCore.MOD_ID);
+        } catch (Throwable t) {
+            LOG.error("[{}] Fabric entrypoint event registration failed", ChatAnswerCore.MOD_ID, t);
+            throw t;
+        }
     }
 }
diff --git a/fabric-2612/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java b/fabric-2612/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java
index 587f5b4..ea8de97 100644
--- a/fabric-2612/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java
+++ b/fabric-2612/src/main/java/kr/tkrmagid/chatanswer/fabric/ChatAnswerFabric.java
@@ -4,15 +4,26 @@ import kr.tkrmagid.chatanswer.core.ChatAnswerCore;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.message.v1.ServerMessageEvents;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public final class ChatAnswerFabric implements ModInitializer {
+    private static final Logger LOG = LoggerFactory.getLogger(ChatAnswerCore.MOD_ID);
+
     @Override
     public void onInitialize() {
-        ServerMessageEvents.ALLOW_CHAT_MESSAGE.register((message, sender, params) ->
-            ChatAnswerCore.handleChat(sender, message.signedContent())
-        );
-        ServerPlayConnectionEvents.JOIN.register((handler, sender, server) ->
-            ChatAnswerCore.onPlayerJoin(handler.player)
-        );
+        LOG.info("[{}] Fabric entrypoint onInitialize starting", ChatAnswerCore.MOD_ID);
+        try {
+            ServerMessageEvents.ALLOW_CHAT_MESSAGE.register((message, sender, params) ->
+                ChatAnswerCore.handleChat(sender, message.signedContent())
+            );
+            ServerPlayConnectionEvents.JOIN.register((handler, sender, server) ->
+                ChatAnswerCore.onPlayerJoin(handler.player)
+            );
+            LOG.info("[{}] Fabric entrypoint registered: ALLOW_CHAT_MESSAGE + JOIN", ChatAnswerCore.MOD_ID);
+        } catch (Throwable t) {
+            LOG.error("[{}] Fabric entrypoint event registration failed", ChatAnswerCore.MOD_ID, t);
+            throw t;
+        }
     }
 }
diff --git a/gradle.properties b/gradle.properties
index 884cef9..e92d083 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ org.gradle.parallel=true
 
 # ───── mod metadata ─────────────────────────────────────────────────────────
 mod_id=chat_answer
-mod_version=1.3.1
+mod_version=1.3.2
 mod_group=kr.tkrmagid.chatanswer
 mod_name=채팅정답