feat: Added todo__clear function to the todo system and updated REPL commands to have a .clear todo as well for significant changes in agent direction

docs/AGENTS.md

@@ -467,11 +467,12 @@ inject_todo_instructions: true   # Include the default todo instructions into pr
 
 ### How It Works
 
-1. When `inject_todo_instructions` is enabled, agents receive instructions on using four built-in tools:
+1. When `inject_todo_instructions` is enabled, agents receive instructions on using five built-in tools:
     - `todo__init`: Initialize a todo list with a goal
     - `todo__add`: Add a task to the list
     - `todo__done`: Mark a task complete
     - `todo__list`: View current todo state
+    - `todo__clear`: Clear the entire todo list and reset the goal
    
    These instructions are a reasonable default that detail how to use Loki's To-Do System. If you wish, 
    you can disable the injection of the default instructions and specify your own instructions for how 

docs/REPL.md

@@ -121,9 +121,10 @@ Loki lets you build OpenAI GPT-style agents. The following commands let you inte
 Loki:
 
 | Command              | Description                                                                                   |
-|----------------------|------------------------------------------------------------|
+|----------------------|-----------------------------------------------------------------------------------------------|
 | `.agent`             | Use an agent                                                                                  |
 | `.starter`           | Display and use conversation starters for the active agent                                    |
+| `.clear todo`        | Clear the todo list and stop auto-continuation (requires `auto_continue: true` on the agent)  |
 | `.edit agent-config` | Open the agent configuration in your preferred text editor                                    |
 | `.info agent`        | Display information about the active agent                                                    |
 | `.exit agent`        | Leave the active agent                                                                        |

docs/TODO-SYSTEM.md

@@ -117,6 +117,22 @@ Display the current todo list with status of each item.
 
 **Returns:** The full todo list with goal, progress, and item statuses
 
+### `todo__clear`
+Clear the entire todo list and reset the goal. Use when the current task has been canceled or invalidated.
+
+**Parameters:** None
+
+**Returns:** Confirmation that the todo list was cleared
+
+### REPL Command: `.clear todo`
+You can also clear the todo list manually from the REPL by typing `.clear todo`. This is useful when:
+- You gave a custom response that changes or cancels the current task
+- The agent is stuck in auto-continuation with stale todos
+- You want to start fresh without leaving and re-entering the agent
+
+**Note:** This command is only available when an agent with `auto_continue: true` is active. If the todo
+system isn't enabled for the current agent, the command will display an error message.
+
 ## Auto-Continuation
 When `auto_continue` is enabled, Loki automatically sends a continuation prompt if:
 

src/config/agent.rs

@@ -476,6 +476,11 @@ impl Agent {
         self.todo_list.mark_done(id)
     }
 
+    pub fn clear_todo_list(&mut self) {
+        self.todo_list.clear();
+        self.reset_continuation();
+    }
+
     pub fn continuation_prompt(&self) -> String {
         self.config.continuation_prompt.clone().unwrap_or_else(|| {
             formatdoc! {"

src/config/prompts.rs

@@ -7,10 +7,12 @@ pub(in crate::config) const DEFAULT_TODO_INSTRUCTIONS: &str = indoc! {"
         - `todo__add`: Add individual tasks. Add all planned steps before starting work.
         - `todo__done`: Mark a task done by id. Call this immediately after completing each step.
         - `todo__list`: Show the current todo list.
+        - `todo__clear`: Clear the entire todo list and reset the goal. Use when the user cancels or changes direction.
 
     RULES:
         - Always create a todo list before starting work.
         - Mark each task done as soon as you finish it; do not batch.
+        - If the user cancels the current task or changes direction, call `todo__clear` immediately.
         - If you stop with incomplete tasks, the system will automatically prompt you to continue."
 };
 

src/config/todo.rs

@@ -67,6 +67,11 @@ impl TodoList {
         self.todos.is_empty()
     }
 
+    pub fn clear(&mut self) {
+        self.goal.clear();
+        self.todos.clear();
+    }
+
     pub fn render_for_model(&self) -> String {
         let mut lines = Vec::new();
         if !self.goal.is_empty() {
@@ -149,6 +154,21 @@ mod tests {
         assert!(rendered.contains("○ 2. Map"));
     }
 
+    #[test]
+    fn test_clear() {
+        let mut list = TodoList::new("Some goal");
+        list.add("Task 1");
+        list.add("Task 2");
+        list.mark_done(1);
+        assert!(!list.is_empty());
+
+        list.clear();
+        assert!(list.is_empty());
+        assert!(list.goal.is_empty());
+        assert_eq!(list.todos.len(), 0);
+        assert!(!list.has_incomplete());
+    }
+
     #[test]
     fn test_serialization_roundtrip() {
         let mut list = TodoList::new("Roundtrip");

src/function/todo.rs

@@ -76,6 +76,16 @@ pub fn todo_function_declarations() -> Vec<FunctionDeclaration> {
             },
             agent: false,
         },
+        FunctionDeclaration {
+            name: format!("{TODO_FUNCTION_PREFIX}clear"),
+            description: "Clear the entire todo list and reset the goal. Use when the current task has been canceled or invalidated.".to_string(),
+            parameters: JsonSchema {
+                type_value: Some("object".to_string()),
+                properties: Some(IndexMap::new()),
+                ..Default::default()
+            },
+            agent: false,
+        },
     ]
 }
 
@@ -156,6 +166,17 @@ pub fn handle_todo_tool(config: &GlobalConfig, cmd_name: &str, args: &Value) ->
                 None => bail!("No active agent"),
             }
         }
+        "clear" => {
+            let mut cfg = config.write();
+            let agent = cfg.agent.as_mut();
+            match agent {
+                Some(agent) => {
+                    agent.clear_todo_list();
+                    Ok(json!({"status": "ok", "message": "Todo list cleared"}))
+                }
+                None => bail!("No active agent"),
+            }
+        }
         _ => bail!("Unknown todo action: {action}"),
     }
 }

src/repl/mod.rs

@@ -33,7 +33,7 @@ use std::{env, mem, process};
 
 const MENU_NAME: &str = "completion_menu";
 
-static REPL_COMMANDS: LazyLock<[ReplCommand; 38]> = LazyLock::new(|| {
+static REPL_COMMANDS: LazyLock<[ReplCommand; 39]> = LazyLock::new(|| {
     [
         ReplCommand::new(".help", "Show this help guide", AssertState::pass()),
         ReplCommand::new(".info", "Show system info", AssertState::pass()),
@@ -137,6 +137,11 @@ static REPL_COMMANDS: LazyLock<[ReplCommand; 38]> = LazyLock::new(|| {
             "Leave agent",
             AssertState::True(StateFlags::AGENT),
         ),
+        ReplCommand::new(
+            ".clear todo",
+            "Clear the todo list and stop auto-continuation",
+            AssertState::True(StateFlags::AGENT),
+        ),
         ReplCommand::new(
             ".rag",
             "Initialize or access RAG",
@@ -804,6 +809,25 @@ pub async fn run_repl_command(
                 Some("messages") => {
                     bail!("Use '.empty session' instead");
                 }
+                Some("todo") => {
+                    let mut cfg = config.write();
+                    match cfg.agent.as_mut() {
+                        Some(agent) => {
+                            if !agent.auto_continue_enabled() {
+                                bail!(
+                                    "The todo system is not enabled for this agent. Set 'auto_continue: true' in the agent's config.yaml to enable it."
+                                );
+                            }
+                            if agent.todo_list().is_empty() {
+                                println!("Todo list is already empty.");
+                            } else {
+                                agent.clear_todo_list();
+                                println!("Todo list cleared.");
+                            }
+                        }
+                        None => bail!("No active agent"),
+                    }
+                }
                 _ => unknown_command()?,
             },
             ".vault" => match split_first_arg(args) {