feat(agent-office): node_monitor에 naver-fetch(fetcher) 등재 + http-pull 링크

WORKER_REGISTRY에 naver-fetch(kind=fetcher, queue=None) 추가하고
collect_status()에 fetcher kind 분기(from=워커명, to=nas-realestate,
type=http-pull)를 추가. /nodes 관측·팀 규칙(모든 워커는 heartbeat+
registry 등재)에 맞춘 naver-fetch 워커 관측 준비.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EqCYBhvTcdeCTUDX3RhWx9

agent-office/app/node_monitor.py

@@ -17,6 +17,7 @@ WORKER_REGISTRY = [
     {"name": "task-watcher",  "kind": "watcher", "queue": None},
     {"name": "ai_trade",      "kind": "trader",  "queue": None},
     {"name": "trade-monitor", "kind": "trader",  "queue": None},
+    {"name": "naver-fetch",   "kind": "fetcher", "queue": None},
 ]
 
 _redis = None
@@ -98,6 +99,9 @@ async def collect_status(redis=None) -> dict:
         elif w["kind"] == "render":
             out["links"].append({"from": "nas", "to": w["name"], "type": "redis-queue",
                                  "status": _render_link_status(w)})
+        elif w["kind"] == "fetcher":
+            out["links"].append({"from": w["name"], "to": "nas-realestate", "type": "http-pull",
+                                 "status": "healthy" if w["alive"] else "down"})
     if out["paused"] and not out["paused_reason"]:
         out["paused_reason"] = "trading"
     return out