feat(phase4): !auto on/off 명령어 - Discord에서 Antigravity 자동승인 토글

bot.py

@@ -445,8 +445,30 @@ class GravityBot(commands.Bot):
                 conv_id = cid
                 break
 
-        if conv_id and message.content.strip():
-            self.bridge.write_command(conv_id, message.content.strip())
+        text = message.content.strip()
+
+        # Special command: !auto on/off
+        if text in ("!auto on", "!auto off"):
+            if conv_id:
+                self.bridge.write_command(conv_id, text)
+                enabled = text == "!auto on"
+                emoji = "🟢" if enabled else "🔴"
+                mode = "자동 승인" if enabled else "수동 승인"
+                embed = discord.Embed(
+                    title=f"{emoji} {mode} 모드",
+                    description=f"Antigravity IDE 설정이 변경됩니다.\n"
+                                f"`chat.tools.autoApprove = {enabled}`\n"
+                                f"`chat.agent.autoApprove = {enabled}`",
+                    color=discord.Color.green() if enabled else discord.Color.red(),
+                )
+                await message.channel.send(embed=embed)
+            else:
+                await message.reply("⚠️ 채널에 연결된 세션이 없습니다.")
+            return
+
+        # General text relay
+        if conv_id and text:
+            self.bridge.write_command(conv_id, text)
             await message.add_reaction("📨")
 
         await self.process_commands(message)