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

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");