Feature 2: Notes field in EditTask with wrap and 5-line minimum

- Increased popup height from 12 to 14 lines
- Notes constraint increased from Length(3) to Length(5)
- Notes Paragraph uses multi-line Text from notes.lines()
- Added Wrap { trim: false } to Notes Paragraph

src/ui/components.rs

@@ -328,7 +328,7 @@ pub fn render_edit_task_popup(
     notes_cursor: usize,
     active_field: usize,
 ) {
-    let popup_area = centered_rect(75, 12, area);
+    let popup_area = centered_rect(75, 14, area);
 
     frame.render_widget(Clear, popup_area);
 
@@ -346,7 +346,7 @@ pub fn render_edit_task_popup(
         .constraints([
             Constraint::Length(3),
             Constraint::Length(1),
-            Constraint::Length(3),
+            Constraint::Length(5),
             Constraint::Length(1),
             Constraint::Length(1),
             Constraint::Length(1),
@@ -379,8 +379,10 @@ pub fn render_edit_task_popup(
         .border_style(notes_style)
         .title(" Notes ")
         .title_alignment(Alignment::Left);
-    let notes_para = Paragraph::new(Text::from(Line::from(Span::raw(notes))))
-        .block(notes_block);
+    let notes_lines: Vec<Line> = notes.lines().map(|l| Line::from(Span::raw(l.to_string()))).collect();
+    let notes_para = Paragraph::new(Text::from(notes_lines))
+        .block(notes_block)
+        .wrap(Wrap { trim: false });
     frame.render_widget(notes_para, rows[2]);
 
     // ── Date buttons row ──