feat: built-in user interaction tools to remove the need for the list/confirm/etc prompts in prompt tools and to enhance user interactions in Loki

src/function/mod.rs

@@ -1,5 +1,6 @@
 pub(crate) mod supervisor;
 pub(crate) mod todo;
+pub(crate) mod user_interaction;
 
 use crate::{
     config::{Agent, Config, GlobalConfig},
@@ -31,6 +32,7 @@ use std::{
 use strum_macros::AsRefStr;
 use supervisor::SUPERVISOR_FUNCTION_PREFIX;
 use todo::TODO_FUNCTION_PREFIX;
+use user_interaction::USER_FUNCTION_PREFIX;
 
 #[derive(Embed)]
 #[folder = "assets/functions/"]
@@ -281,6 +283,11 @@ impl Functions {
             .extend(supervisor::teammate_function_declarations());
     }
 
+    pub fn append_user_interaction_functions(&mut self) {
+        self.declarations
+            .extend(user_interaction::user_interaction_function_declarations());
+    }
+
     pub fn clear_mcp_meta_functions(&mut self) {
         self.declarations.retain(|d| {
             !d.name.starts_with(MCP_INVOKE_META_FUNCTION_NAME_PREFIX)
@@ -907,6 +914,15 @@ impl ToolCall {
                         json!({"tool_call_error": error_msg})
                     })
             }
+            _ if cmd_name.starts_with(USER_FUNCTION_PREFIX) => {
+                user_interaction::handle_user_tool(config, &cmd_name, &json_data)
+                    .await
+                    .unwrap_or_else(|e| {
+                        let error_msg = format!("User interaction failed: {e}");
+                        eprintln!("{}", warning_text(&format!("⚠️ {error_msg} ⚠️")));
+                        json!({"tool_call_error": error_msg})
+                    })
+            }
             _ => match run_llm_function(cmd_name, cmd_args, envs, agent_name) {
                 Ok(Some(contents)) => serde_json::from_str(&contents)
                     .ok()