fix: ElephantAlpha crash, AiderHeal Ollama host, MCP integration for Hermes/NemoTron, and MCP hallucination

services/hermes_analyst_service.py

@@ -22,6 +22,7 @@ from typing import Optional
 
 import requests
 from sqlalchemy import text
+from services.mcp_context_service import build_mcp_context
 
 logger = logging.getLogger(__name__)
 
@@ -382,7 +383,10 @@ class HermesAnalystService:
         if not items:
             return [], []
 
+        mcp_ctx = build_mcp_context(topics=["market_trends", "holiday_calendar", "seasonal_insights"])
+
         prompt = (
+            f"【市場外部情報 (MCP)】\n{mcp_ctx}\n\n"
             f"分析以下 {len(items)} 支商品的競價威脅，回傳前 {TOP_N} 個最高風險商品。\n\n"
             f"資料：{json.dumps(items, ensure_ascii=False)}\n\n"
             f"輸出格式（JSON 陣列，每筆含）：\n"