docs: known-issues 아카이빙 + Collector 폐기 마킹 + 레퍼런스 문서 보강 #task-409

main.py

@@ -51,8 +51,14 @@ async def main():
     # Get the running loop
     loop = asyncio.get_running_loop()
 
-    # ── Collector mode: no Discord bot, just relay local ↔ Gateway ──
+    # ── Collector mode (DEPRECATED): no Discord bot, just relay local ↔ Gateway ──
     if Config.BOT_MODE == "remote":
+        logger.warning("=" * 50)
+        logger.warning("⚠️  Collector mode (BOT_MODE=remote) is DEPRECATED")
+        logger.warning("Extension이 WebSocket으로 Hub에 직접 연결합니다.")
+        logger.warning("BOT_MODE=gateway로 전환하세요.")
+        logger.warning("=" * 50)
+
         from bridge import LocalTransport, RemoteTransport
         from collector import CollectorBridge