T4: AnySearch 改为全局固定配置 + 修复外部服务弹窗 UI

backend/python/app/api/knowledge.py

@@ -1496,27 +1496,18 @@ async def web_search_endpoint(
 ):
     """联网检索（AnySearch）：返回实时网页结果，供前端 / 智能体引用。"""
     try:
-        from sqlalchemy import text
-        import json as _json
-        from ..anysearch_client import anysearch_search
-        row = db.execute(text(
-            "SELECT api_key, api_url, config FROM external_kb_services "
-            "WHERE service_type='anysearch' AND is_enabled=1 LIMIT 1"
-        )).fetchone()
-        if not row:
+        from ..anysearch_client import anysearch_search, load_anysearch_config
+        cfg = load_anysearch_config(db)
+        if not cfg.get("is_enabled") or not cfg.get("api_key"):
             return {"code": 0, "data": {"results": [], "enabled": False, "message": "未配置 AnySearch 联网检索服务"}}
-        api_key = row[0] or ""
-        api_url = row[1] or "https://api.anysearch.com/v1/search"
-        cfg = row[2]
-        if isinstance(cfg, str):
-            try:
-                cfg = _json.loads(cfg)
-            except Exception:
-                cfg = {}
-        cfg = cfg or {}
-        zone = cfg.get("zone", "cn")
-        freshness = cfg.get("freshness")
-        hits = await anysearch_search(api_key, api_url, req.query, top_k=req.top_k, zone=zone, freshness=freshness)
+        hits = await anysearch_search(
+            cfg["api_key"],
+            cfg.get("api_url") or "https://api.anysearch.com/v1/search",
+            req.query,
+            top_k=req.top_k,
+            zone=cfg.get("zone", "cn"),
+            freshness=cfg.get("freshness"),
+        )
         return {"code": 0, "data": {"results": hits, "enabled": True}}
     except Exception as e:
         logger.warning(f"web-search endpoint failed: {e}")