diff --git a/bot.py b/bot.py
index d983f66..107d3c3 100644
--- a/bot.py
+++ b/bot.py
@@ -48,9 +48,10 @@ class ApprovalView(discord.ui.View):
     """
 
     def __init__(self, bridge: BridgeProtocol, request: ApprovalRequest,
-                 buttons: list[dict] | None = None):
+                 buttons: list[dict] | None = None, hub=None):
         super().__init__(timeout=1800)  # 30 minutes
         self.bridge = bridge
+        self.hub = hub  # WSHub instance for WS response routing
         self.request = request
         self.responded = False
         self.buttons_data = buttons
@@ -89,13 +90,20 @@ class ApprovalView(discord.ui.View):
                                                         ephemeral=True)
                 return
             self.responded = True
-            self.bridge.write_response(UserResponse(
-                request_id=self.request.request_id,
-                approved=not is_reject,
-                button_index=btn_index,
-                step_type=getattr(self.request, 'step_type', ''),
-                project_name=getattr(self.request, 'project_name', ''),
-            ))
+            response_data = {
+                "request_id": self.request.request_id,
+                "approved": not is_reject,
+                "button_index": btn_index,
+                "step_type": getattr(self.request, 'step_type', ''),
+                "project_name": getattr(self.request, 'project_name', ''),
+            }
+            # Hub WS route (primary — reaches remote Extensions)
+            if self.hub:
+                await self.hub.send_response_to_pending_owner(self.request.request_id, {
+                    "type": "response", "data": response_data,
+                })
+            # File bridge (fallback — local Extensions)
+            self.bridge.write_response(UserResponse(**response_data))
             embed = interaction.message.embeds[0] if interaction.message.embeds else None
             if embed:
                 color = discord.Color.red() if is_reject else discord.Color.green()
@@ -116,11 +124,16 @@ class ApprovalView(discord.ui.View):
             await interaction.response.send_message("이미 응답됨", ephemeral=True)
             return
         self.responded = True
-        self.bridge.write_response(UserResponse(
-            request_id=self.request.request_id, approved=True,
-            step_type=getattr(self.request, 'step_type', ''),
-            project_name=getattr(self.request, 'project_name', ''),
-        ))
+        response_data = {
+            "request_id": self.request.request_id, "approved": True,
+            "step_type": getattr(self.request, 'step_type', ''),
+            "project_name": getattr(self.request, 'project_name', ''),
+        }
+        if self.hub:
+            await self.hub.send_response_to_pending_owner(self.request.request_id, {
+                "type": "response", "data": response_data,
+            })
+        self.bridge.write_response(UserResponse(**response_data))
         embed = interaction.message.embeds[0] if interaction.message.embeds else None
         if embed:
             embed.color = discord.Color.green()
@@ -136,11 +149,16 @@ class ApprovalView(discord.ui.View):
             await interaction.response.send_message("이미 응답됨", ephemeral=True)
             return
         self.responded = True
-        self.bridge.write_response(UserResponse(
-            request_id=self.request.request_id, approved=False,
-            step_type=getattr(self.request, 'step_type', ''),
-            project_name=getattr(self.request, 'project_name', ''),
-        ))
+        response_data = {
+            "request_id": self.request.request_id, "approved": False,
+            "step_type": getattr(self.request, 'step_type', ''),
+            "project_name": getattr(self.request, 'project_name', ''),
+        }
+        if self.hub:
+            await self.hub.send_response_to_pending_owner(self.request.request_id, {
+                "type": "response", "data": response_data,
+            })
+        self.bridge.write_response(UserResponse(**response_data))
         embed = interaction.message.embeds[0] if interaction.message.embeds else None
         if embed:
             embed.color = discord.Color.red()
@@ -843,7 +861,7 @@ class GravityBot(commands.Bot):
         )
         embed.set_footer(text=f"ID: {request.request_id}")
 
-        view = ApprovalView(self.bridge, request, buttons=buttons)
+        view = ApprovalView(self.bridge, request, buttons=buttons, hub=self.hub)
         msg = await channel.send(embed=embed, view=view)
 
         if pending_file.exists():
@@ -1042,7 +1060,7 @@ class GravityBot(commands.Bot):
             )
             embed.set_footer(text=f"ID: {request_id}")
 
-            view = ApprovalView(self.bridge, request, buttons=buttons)
+            view = ApprovalView(self.bridge, request, buttons=buttons, hub=self.hub)
             msg = await channel.send(embed=embed, view=view)
 
             self._sent_approval_ids.add(request_id)