updated insert modes + fixed status bar help

src/app.rs

@@ -11,6 +11,12 @@ pub enum Mode {
     Search,
 }
 
+pub enum InsertVariant {
+    Start,
+    End,
+    Substitute,
+}
+
 /// The core application state, holding all configuration variables and UI status.
 pub struct App {
     /// The list of configuration variables being edited.
@@ -149,12 +155,25 @@ impl App {
         }
     }
 
-    /// Transitions the application into Insert Mode.
-    pub fn enter_insert(&mut self) {
+    /// Transitions the application into Insert Mode with a specific variant.
+    pub fn enter_insert(&mut self, variant: InsertVariant) {
         if let Some(var) = self.vars.get(self.selected) {
             if !var.is_group {
                 self.mode = Mode::Insert;
                 self.status_message = None;
+                match variant {
+                    InsertVariant::Start => {
+                        use tui_input::InputRequest;
+                        self.input.handle(InputRequest::GoToStart);
+                    }
+                    InsertVariant::End => {
+                        use tui_input::InputRequest;
+                        self.input.handle(InputRequest::GoToEnd);
+                    }
+                    InsertVariant::Substitute => {
+                        self.input = Input::new(String::new());
+                    }
+                }
             }
         }
     }
@@ -182,9 +201,13 @@ impl App {
         to_remove.push(self.selected);
 
         if is_group {
-            let prefix = format!("{}.", selected_path);
+            let prefix_dot = format!("{}.", selected_path);
+            let prefix_bracket = format!("{}[", selected_path);
             for (i, var) in self.vars.iter().enumerate() {
-                if var.path.starts_with(&prefix) {
+                if i == self.selected {
+                    continue;
+                }
+                if var.path.starts_with(&prefix_dot) || var.path.starts_with(&prefix_bracket) {
                     to_remove.push(i);
                 }
             }
@@ -279,9 +302,26 @@ impl App {
         self.vars.insert(insert_pos, new_item);
         self.selected = insert_pos;
         self.sync_input_with_selected();
-        self.mode = Mode::Insert;
+        self.enter_insert(InsertVariant::Start);
         self.status_message = None;
     }
+
+    /// Status bar helpers
+    pub fn selected_is_group(&self) -> bool {
+        self.vars.get(self.selected).map(|v| v.is_group).unwrap_or(false)
+    }
+
+    pub fn selected_is_array(&self) -> bool {
+        self.vars.get(self.selected)
+            .map(|v| !v.is_group && v.path.contains('['))
+            .unwrap_or(false)
+    }
+
+    pub fn selected_is_missing(&self) -> bool {
+        self.vars.get(self.selected)
+            .map(|v| v.status == crate::format::ItemStatus::MissingFromActive)
+            .unwrap_or(false)
+    }
 }
 
 fn parse_index(path: &str) -> Option<(&str, usize)> {

src/config.rs

@@ -106,6 +106,8 @@ pub struct KeybindsConfig {
     pub down: String,
     pub up: String,
     pub edit: String,
+    pub edit_append: String,
+    pub edit_substitute: String,
     pub save: String,
     pub quit: String,
     pub normal_mode: String,
@@ -125,6 +127,8 @@ impl Default for KeybindsConfig {
             down: "j".to_string(),
             up: "k".to_string(),
             edit: "i".to_string(),
+            edit_append: "A".to_string(),
+            edit_substitute: "S".to_string(),
             save: ":w".to_string(),
             quit: ":q".to_string(),
             normal_mode: "Esc".to_string(),

src/runner.rs

@@ -1,4 +1,4 @@
-use crate::app::{App, Mode};
+use crate::app::{App, InsertVariant, Mode};
 use crate::config::Config;
 use crate::format::FormatHandler;
 use crossterm::event::{self, Event, KeyCode, KeyEvent};
@@ -117,6 +117,8 @@ where
                 (&self.config.keybinds.down, "down"),
                 (&self.config.keybinds.up, "up"),
                 (&self.config.keybinds.edit, "edit"),
+                (&self.config.keybinds.edit_append, "edit_append"),
+                (&self.config.keybinds.edit_substitute, "edit_substitute"),
                 (&self.config.keybinds.search, "search"),
                 (&self.config.keybinds.next_match, "next_match"),
                 (&self.config.keybinds.previous_match, "previous_match"),
@@ -147,7 +149,9 @@ where
                 match action {
                     "down" => self.app.next(),
                     "up" => self.app.previous(),
-                    "edit" => self.app.enter_insert(),
+                    "edit" => self.app.enter_insert(InsertVariant::Start),
+                    "edit_append" => self.app.enter_insert(InsertVariant::End),
+                    "edit_substitute" => self.app.enter_insert(InsertVariant::Substitute),
                     "search" => {
                         self.app.mode = Mode::Search;
                         self.app.search_query.clear();

src/ui.rs

@@ -269,14 +269,30 @@ pub fn draw(f: &mut Frame, app: &mut App, config: &Config) {
         ),
     };
 
-    let status_msg = app
-        .status_message
-        .as_deref()
-        .unwrap_or_else(|| match app.mode {
-            Mode::Normal => " navigation | i: edit | /: search | :w: save | :q: quit ",
-            Mode::Insert => " Esc: back to normal | Enter: commit ",
-            Mode::Search => " Esc: back to normal | type to filter ",
-        });
+    let status_msg = if let Some(msg) = &app.status_message {
+        msg.clone()
+    } else {
+        match app.mode {
+            Mode::Normal => {
+                let mut parts = vec!["j/k move", "gg/G jump", "/ search"];
+                if !app.selected_is_group() {
+                    parts.push("i/A/S edit");
+                }
+                if app.selected_is_missing() {
+                    parts.push("a add");
+                }
+                if app.selected_is_array() {
+                    parts.push("o/O array");
+                }
+                parts.push("dd del");
+                parts.push(":w save");
+                parts.push(":q quit");
+                parts.join(" · ")
+            }
+            Mode::Insert => "Esc normal · Enter commit".to_string(),
+            Mode::Search => "Esc normal · type to filter".to_string(),
+        }
+    };
 
     let status_line = Line::from(vec![
         Span::styled(mode_str, mode_style),