feat: add todo management feature; implement todo content tracking and display in the UI

src/view/mod.rs

@@ -29,6 +29,20 @@ use theme::Theme;
 pub fn draw(frame: &mut Frame, state: &crate::app::state::rest::AppStateRest) {
     let area = frame.area();
 
+    let show_todo = !state.misc.todo_content.is_empty() || state.misc.overlay == crate::app::state::types::Overlay::Todo;
+    let (main_area, todo_area) = if show_todo && area.width > 60 {
+        let h_chunks = Layout::default()
+            .direction(Direction::Horizontal)
+            .constraints([
+                Constraint::Min(40),
+                Constraint::Length(30),
+            ])
+            .split(area);
+        (h_chunks[0], Some(h_chunks[1]))
+    } else {
+        (area, None)
+    };
+
     let chunks = Layout::default()
         .direction(Direction::Vertical)
         .constraints([
@@ -36,26 +50,50 @@ pub fn draw(frame: &mut Frame, state: &crate::app::state::rest::AppStateRest) {
             Constraint::Length(3),
             Constraint::Length(1),
         ])
-        .split(area);
+        .split(main_area);
 
-    let main_area = chunks[0];
+    let chat_area = chunks[0];
     let input_area = chunks[1];
     let status_area = chunks[2];
 
-    if state.misc.overlay.is_active() {
+    if state.misc.overlay.is_active() && state.misc.overlay != crate::app::state::types::Overlay::Todo {
         let overlay = state.misc.overlay;
-        render_overlay(frame, main_area, overlay, state);
+        render_overlay(frame, chat_area, overlay, state);
     } else {
-        render_main_panel(frame, main_area, state);
+        render_main_panel(frame, chat_area, state);
     }
 
     render_input_bar(frame, input_area, state);
     status::draw_status_bar(frame, status_area, state);
 
+    if let Some(todo_rect) = todo_area {
+        render_todo_panel(frame, todo_rect, state);
+    }
+
     // Toast notifications at top-right (like Hyprland)
     render_toasts(frame, state);
 }
 
+fn render_todo_panel(frame: &mut Frame, area: Rect, state: &crate::app::state::rest::AppStateRest) {
+    let block = Block::default()
+        .title(" Todo ")
+        .borders(Borders::ALL)
+        .border_style(Style::default().fg(Theme::PRIMARY))
+        .style(Style::default().bg(Theme::BG));
+
+    let content = if state.misc.todo_content.is_empty() {
+        "No tasks yet."
+    } else {
+        &state.misc.todo_content
+    };
+
+    let paragraph = Paragraph::new(content)
+        .block(block)
+        .wrap(Wrap { trim: false });
+    
+    frame.render_widget(paragraph, area);
+}
+
 fn render_main_panel(frame: &mut Frame, area: Rect, state: &crate::app::state::rest::AppStateRest) {
     chat::draw_chat(frame, area, state);
 }