Fix: llmapi use same db conn, delete old test;

config/config.go

@@ -39,7 +39,7 @@ func LoadConfigOrDefault(fn string) *Config {
 		config.CookieSecret = "test"
 		config.ServerConfig.Host = "localhost"
 		config.ServerConfig.Port = "3000"
-		config.DBPath = "sqlite3://gralias.db"
+		config.DBPath = "gralias.db"
 	}
 	fmt.Printf("config debug; config.LLMConfig.URL: %s\n", config.LLMConfig.URL)
 	return config