feat: add web search config

backend/app/api/web_search.py

@@ -0,0 +1,31 @@
+from typing import Optional, Dict, Any
+from fastapi import APIRouter, Depends, HTTPException, status
+from pydantic import BaseModel, Field
+
+from app.api.llm import get_current_user, get_admin_user, CurrentUser
+from app.services.web_search_config_store import get_web_search_config, save_web_search_config
+
+router = APIRouter()
+
+class WebSearchConfigModel(BaseModel):
+    provider: str = Field(default="duckduckgo", description="Web search provider (brave, tavily, duckduckgo, searxng, jina)")
+    api_key: Optional[str] = Field(default="", description="API Key for the provider")
+    base_url: Optional[str] = Field(default="", description="Base URL for SearXNG")
+    max_results: int = Field(default=5, description="Maximum number of search results")
+
+def _sanitize_config(config: Dict[str, Any], is_admin: bool) -> Dict[str, Any]:
+    sanitized = config.copy()
+    if not is_admin:
+        sanitized["api_key"] = None
+    return sanitized
+
+@router.get("/web-search/config", response_model=WebSearchConfigModel)
+def get_config(current_user: CurrentUser = Depends(get_current_user)):
+    config = get_web_search_config()
+    return WebSearchConfigModel(**_sanitize_config(config, current_user.is_admin))
+
+@router.put("/web-search/config", response_model=WebSearchConfigModel)
+def update_config(config: WebSearchConfigModel, _: CurrentUser = Depends(get_admin_user)):
+    config_dict = config.dict()
+    save_web_search_config(config_dict)
+    return WebSearchConfigModel(**config_dict)