feat(agent-office): StockAgent holdings EOD(16:40)+브리핑(08:30) cron

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

agent-office/app/agents/stock.py

@@ -336,7 +336,46 @@ class StockAgent(BaseAgent):
 
         await self.transition("idle", "AI 뉴스 완료")
 
+    async def run_holdings_eod(self) -> dict:
+        """평일 16:40 — 보유종목 시그널 계산·저장."""
+        from ..service_proxy import stock_holdings_run
+        from ..db import create_task, update_task_status, add_log
+        task_id = create_task(self.agent_id, "holdings_eod", {})
+        try:
+            res = await stock_holdings_run()
+            update_task_status(task_id, "succeeded", res)
+            add_log(self.agent_id, f"holdings_eod: {res}", "info", task_id)
+            return {"ok": True, **res}
+        except Exception as e:
+            update_task_status(task_id, "failed", {"error": str(e)})
+            add_log(self.agent_id, f"holdings_eod 실패: {e}", "error", task_id)
+            return {"ok": False, "message": str(e)}
+
+    async def run_holdings_brief(self) -> dict:
+        """평일 08:30 — 저장된 시그널 브리핑 텔레그램."""
+        from ..service_proxy import stock_holdings_brief
+        from ..notifiers.telegram_stock import send_holdings_brief
+        from ..db import create_task, update_task_status, add_log
+        task_id = create_task(self.agent_id, "holdings_brief", {})
+        try:
+            payload = await stock_holdings_brief()
+            await send_holdings_brief(payload)
+            update_task_status(task_id, "succeeded", {"date": payload.get("date"),
+                                                      "count": len(payload.get("holdings", []))})
+            add_log(self.agent_id, f"holdings_brief 발송: {payload.get('date')}", "info", task_id)
+            return {"ok": True}
+        except Exception as e:
+            update_task_status(task_id, "failed", {"error": str(e)})
+            add_log(self.agent_id, f"holdings_brief 실패: {e}", "error", task_id)
+            return {"ok": False, "message": str(e)}
+
     async def on_command(self, command: str, params: dict) -> dict:
+        if command == "holdings_eod":
+            return await self.run_holdings_eod()
+
+        if command == "holdings_brief":
+            return await self.run_holdings_brief()
+
         if command == "run_screener":
             await self.on_screener_schedule()
             return {"ok": True, "message": "스크리너 실행 트리거 완료"}