feat: make SearXNG URL an environment variable

gitea/config.py

@@ -13,6 +13,7 @@ class AgentSettings(BaseSettings):
     gitea_repos_root: str = ""
     agent_model_id: str = "qwen/qwen3.6-35b-a3b"
     agent_max_retries: int = 2
+    searxng_url: str = "https://searxng.meeks.freeddns.org"
 
 
 def get_settings() -> AgentSettings:
@@ -28,7 +29,10 @@ GITEA_TOKEN: str = _agent_settings.gitea_token
 GITEA_REPOS_ROOT: str = _agent_settings.gitea_repos_root
 AGENT_MODEL_ID: str = _agent_settings.agent_model_id
 AGENT_MAX_RETRIES: int = _agent_settings.agent_max_retries
+SEARXNG_URL: str = _agent_settings.searxng_url
 
 import os
 os.environ["GITEA_SERVER_URL"] = GITEA_URL
 os.environ["GITEA_SERVER_TOKEN"] = GITEA_TOKEN
+os.environ["SEARXNG_URL"] = SEARXNG_URL
+

gitea/tools/research_tools.py

@@ -21,6 +21,8 @@ from typing import Any
 
 import httpx
 
+from gitea.config import SEARXNG_URL
+
 logger: logging.Logger = logging.getLogger("research-tools")
 
 _DEFAULT_TIMEOUT: int = 20
@@ -29,10 +31,9 @@ _USER_AGENT: str = (
     "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 "
     "(KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36"
 )
-# SearXNG instance — override with SEARXNG_URL env var
-_SEARXNG_URL: str = os.getenv(
-    "SEARXNG_URL", "https://searxng.meeks.freeddns.org"
-)
+# SearXNG instance
+_SEARXNG_URL: str = SEARXNG_URL
+
 
 
 class ResearchTools: