tabbing now works perfectly well

client/src/modes/general/command_navigation.rs

@@ -55,8 +55,6 @@ impl TableDependencyGraph {
             .collect();
 
         // Sort for consistent order
-        // dependents_map.values_mut().for_each(|deps| deps.sort());
-        // root_tables.sort(); // This was causing an error if root_tables was not mutable. Let's fix it.
         let mut sorted_root_tables = root_tables;
         sorted_root_tables.sort();
 
@@ -64,7 +62,6 @@ impl TableDependencyGraph {
             dependents_list.sort();
         }
 
-
         Self {
             all_tables: all_tables_set,
             dependents_map,
@@ -244,6 +241,19 @@ impl NavigationState {
             .map(|(_, option_str)| option_str.as_str())
     }
 
+    pub fn autocomplete_selected(&mut self) {
+        if let Some(selected_option_str) = self.get_selected_option_str() {
+            // The current `self.input` is the text being typed for the current segment/filter.
+            // We replace it with the full string of the selected option.
+            self.input = selected_option_str.to_string();
+
+            // After updating the input, we need to re-filter the options.
+            // This will typically result in the filtered_options containing only the
+            // autocompleted item (or items that start with it, if any).
+            self.update_filtered_options();
+        }
+    }
+
     // Returns the string to display in the input line of the palette
     pub fn get_display_input(&self) -> String {
         match self.navigation_type {
@@ -276,7 +286,6 @@ impl NavigationState {
         }
     }
 
-
     // Update self.all_options based on current_path (for TableTree)
     fn update_options_for_path(&mut self) {
         if let NavigationType::TableTree = self.navigation_type {
@@ -351,20 +360,36 @@ pub async fn handle_command_navigation_event(
                 navigation_state.deactivate();
                 Ok(EventOutcome::Ok(message))
             } else {
-                // If nothing is selected but enter is pressed, maybe try to navigate if input is a valid path part?
-                // For now, just indicate no selection or clear.
                 if navigation_state.navigation_type == NavigationType::TableTree && !navigation_state.input.is_empty() {
-                    // Try to commit current input as a path segment
                     let current_input_clone = navigation_state.input.clone();
-                    navigation_state.add_char('/'); // This will commit the input if valid
-                    // Check if path actually changed or options updated
-                    if navigation_state.input.is_empty() && !navigation_state.all_options.is_empty() {
+                    // Simulate pressing '/' to commit the current input as a path segment
+                    // Store original options count to see if navigation happened
+                    let original_options_count = navigation_state.all_options.len();
+                    let original_path = navigation_state.current_path.clone();
+
+                    navigation_state.add_char('/');
+
+                    // Check if path actually changed and new options are loaded
+                    if navigation_state.input.is_empty() && // Input cleared after '/'
+                       (navigation_state.current_path != original_path || // Path changed
+                        navigation_state.all_options.len() != original_options_count || // Options changed
+                        !navigation_state.all_options.is_empty()) // Or new options appeared
+                    {
                          return Ok(EventOutcome::Ok(format!("Navigated to: {}/", current_input_clone)));
+                    } else {
+                        // Navigation didn't happen, revert the add_char('/') effect if necessary
+                        // This part is tricky, as add_char('/') modifies state.
+                        // For simplicity, we'll just say "no valid selection" if it didn't navigate.
+                         return Ok(EventOutcome::Ok(format!("Cannot navigate: '{}' is not a valid path segment or has no children.", current_input_clone)));
                     }
                 }
                 Ok(EventOutcome::Ok("No valid selection to confirm".to_string()))
             }
         }
+        KeyCode::Tab => {
+            navigation_state.autocomplete_selected();
+            Ok(EventOutcome::Ok(String::new())) // UI will refresh due to state change
+        }
         KeyCode::Up => {
             navigation_state.move_up();
             Ok(EventOutcome::Ok(String::new()))