add basic i18n

own_mcp/src/mcp/chat.rs

@@ -103,9 +103,8 @@ impl AgentChat {
         ollama_client: Ollama,
         model: String,
         mcp_clients: HashMap<String, MCPClient>,
-        system_prompt: String,
     ) -> Result<Self, ServiceError> {
-        let history = vec![ChatMessage::system(system_prompt)];
+        let history = vec![];
 
         let mut servers = HashMap::new();
 
@@ -192,7 +191,13 @@ impl AgentChat {
     {
         let all_tools: Vec<ToolInfo> = self
             .get_all_tools()
-            .map(|restricted_tool| restricted_tool.tool_info.clone())
+            .filter_map(|restricted_tool|{
+                if restricted_tool.permission == ToolPermission::Denied { // filters denied tools to save tokens
+                    None
+                } else {
+                    Some(restricted_tool.tool_info.clone())
+                }
+            })
             .collect();
 
         log::debug!("all tools: {all_tools:#?}");
@@ -347,7 +352,7 @@ mod tests {
             ).await.unwrap(),
         )]);
 
-        let mut chat = AgentChat::new(ollama, "lfm2.5-thinking:1.2b".to_string(), mcp_clients, String::new()).await.unwrap();
+        let mut chat = AgentChat::new(ollama, "lfm2.5-thinking:1.2b".to_string(), mcp_clients).await.unwrap();
 
         let tools: Vec<RestrictedTool> = chat.get_all_tools().cloned().collect();
         assert_eq!(tools.len(), 1);