fix: replace hardcoded 192.168.1.122 with node122 (hostname resolves via /etc/hosts to LAN or EasyTier)

- mo_config.py: xiaoguo_host=node122, xiaoguo_api_url property
- market_screener.py, xiaoguo_scanner.py, xiaoguo_news_processor.py: use mo_config or node122 fallback
- scripts/intraday_health_check.py, scripts/ocr_client.py: node122
- EasyTier connects at 10.144.144.2 when off-LAN

xiaoguo_news_processor.py

@@ -25,7 +25,14 @@ except ImportError:
 
 DATA_DIR = Path(__file__).parent / "data"
 DB_PATH = DATA_DIR / "mofin.db"
-XIAOGUO_API = "http://192.168.1.122:18003/v1/chat/completions"
+XIAOGUO_API = "http://node122:18003/v1/chat/completions"  # fallback, /etc/hosts resolves to LAN or EasyTier
+
+def _get_xiaoguo_url():
+    try:
+        from mo_config import get_config
+        return get_config().xiaoguo_api_url
+    except Exception:
+        return XIAOGUO_API
 XIAOGUO_MODEL = "Qwen3.6-27B-MTPLX-Optimized-Speed"
 MAX_ARTICLES = 5     # 每次最多分析篇数（实测5篇12s）
 
@@ -117,7 +124,7 @@ def call_xiaoguo(articles):
     clean_proxy()
     opener = urllib.request.build_opener(urllib.request.ProxyHandler({}))
     req = urllib.request.Request(
-        XIAOGUO_API, data=payload,
+        _get_xiaoguo_url(), data=payload,
         headers={"Content-Type": "application/json"}, method="POST"
     )
     try: