fix(bot): remove lingering bridge dependency triggering AttributeError on pending relay

bot.py

@@ -555,54 +555,6 @@ class GravityBot(commands.Bot):
 
 
 
-    async def _send_approval_request(
-        self, channel: discord.TextChannel, request: ApprovalRequest
-    ):
-        # Read buttons array from pending file (if present)
-        buttons = None
-        pending_file = self.bridge.pending_dir / f"{request.request_id}.json"
-        if pending_file.exists():
-            try:
-                pending_data = json.loads(
-                    pending_file.read_text(encoding="utf-8-sig")
-                )
-                buttons = pending_data.get("buttons")
-            except (json.JSONDecodeError, OSError):
-                pass
-
-        # Build embed description
-        desc_parts = [f"**명령어:**\n```\n{request.command[:1000]}\n```"]
-        if buttons and len(buttons) > 1:
-            # Multi-choice: show all options in description
-            btn_names = [b.get("text", "?") for b in buttons]
-            desc_parts.append(f"**선택지:** {' / '.join(btn_names)}")
-        if request.description:
-            desc_parts.append(request.description[:500])
-
-        embed = discord.Embed(
-            title="⚠️ 승인 요청",
-            description="\n".join(desc_parts),
-            color=discord.Color.orange(),
-            timestamp=datetime.now(timezone.utc),
-        )
-        embed.set_footer(text=f"ID: {request.request_id}")
-
-        view = ApprovalView(self.bridge, request, buttons=buttons, hub=self.hub)
-        msg = await channel.send(embed=embed, view=view)
-
-        if pending_file.exists():
-            try:
-                data = json.loads(pending_file.read_text(encoding="utf-8-sig"))
-                data["discord_message_id"] = msg.id
-                pending_file.write_text(
-                    json.dumps(data, ensure_ascii=False, indent=2), encoding="utf-8"
-                )
-            except (json.JSONDecodeError, OSError):
-                pass
-
-        logger.info(f"Sent approval request: {request.request_id[:12]}")
-        self._cap_dict(self._approval_messages)
-        self._approval_messages[request.request_id] = msg.id  # FIX #4: Track msg_id for auto_resolved lookup
 
     # ─── Discord → IDE Text Relay + Multi-PC UX ───────────────────────────
 
@@ -787,7 +739,7 @@ class GravityBot(commands.Bot):
             )
             embed.set_footer(text=f"ID: {request_id}")
 
-            view = ApprovalView(self.bridge, request, buttons=buttons, hub=self.hub)
+            view = ApprovalView(request, buttons=buttons, hub=self.hub)
             msg = await channel.send(embed=embed, view=view)
 
             self._cap_dict(self._sent_approval_ids)
@@ -906,7 +858,7 @@ class GravityBot(commands.Bot):
     async def _hub_on_brain_event(self, project: str, data: dict):
         """Handle brain event from Hub (Extension->Hub->Bot->Discord)."""
         try:
-            from watcher import BrainEvent, EventType
+            from models import BrainEvent, EventType
             event = BrainEvent(
                 event_type=EventType(data.get("event_type", "file_changed")),
                 conversation_id=data.get("conversation_id", ""),