Optional sections

src/app.rs

@@ -87,9 +87,24 @@ impl App {
     }
 
     pub fn new() -> anyhow::Result<Self> {
+        let config = Config::load()?;
+        let mut state = AppState::load()?;
+        
+        // Initialize current_pane to first enabled section
+        let enabled = [
+            config.show_permanent,
+            config.show_recurring,
+            config.show_recent,
+        ];
+        
+        // Find first enabled pane
+        if let Some(first_enabled) = enabled.iter().position(|&x| x) {
+            state.current_pane = first_enabled;
+        }
+        
         Ok(Self {
-            state: AppState::load()?,
-            config: Config::load()?,
+            state,
+            config,
             current_screen: Screen::Main,
             needs_clear: false,
             new_entry_buffer: String::new(),
@@ -1213,7 +1228,29 @@ impl App {
     }
     
     fn change_pane(&mut self, delta: i32) {
-        self.state.current_pane = ((self.state.current_pane as i32 + delta).rem_euclid(3)) as usize;
+        // Find next enabled pane
+        let mut next_pane = self.state.current_pane;
+        let enabled = [
+            self.config.show_permanent,
+            self.config.show_recurring,
+            self.config.show_recent,
+        ];
+        
+        // Count enabled panes
+        let enabled_count = enabled.iter().filter(|&&x| x).count();
+        if enabled_count == 0 {
+            return; // No panes to switch to
+        }
+        
+        // Find next enabled pane
+        for _ in 0..3 {
+            next_pane = ((next_pane as i32 + delta).rem_euclid(3)) as usize;
+            if enabled[next_pane] {
+                break;
+            }
+        }
+        
+        self.state.current_pane = next_pane;
         self.state.current_column = 0;
     }