feat: added explain command to display network

src/bin/vibebox-cli.rs

@@ -168,12 +168,13 @@ fn handle_command(command: Command, cwd: &PathBuf, config_override: Option<&Path
         }
         Command::Explain => {
             let config = config::load_config_with_path(cwd, config_override);
-            let rows = build_mount_rows(cwd, &config)?;
-            if rows.is_empty() {
-                println!("No mounts configured.");
+            let mounts = build_mount_rows(cwd, &config)?;
+            let networks = build_network_rows(cwd)?;
+            if mounts.is_empty() && networks.is_empty() {
+                println!("No mounts or network info available.");
                 return Ok(());
             }
-            tui::render_mounts_table(&rows)?;
+            tui::render_explain_tables(&mounts, &networks)?;
             Ok(())
         }
     }
@@ -252,6 +253,26 @@ fn build_mount_rows(cwd: &Path, config: &config::Config) -> Result<Vec<tui::Moun
     Ok(rows)
 }
 
+fn build_network_rows(cwd: &Path) -> Result<Vec<tui::NetworkListRow>> {
+    let instance_dir = cwd.join(session_manager::INSTANCE_DIR_NAME);
+    let mut vm_ip = "-".to_string();
+    if let Ok(Some(ip)) = instance::read_instance_vm_ip(&instance_dir) {
+        vm_ip = ip;
+    }
+    let host_to_vm = if vm_ip == "-" {
+        "ssh: <pending>:22".to_string()
+    } else {
+        format!("ssh: {vm_ip}:22")
+    };
+    let row = tui::NetworkListRow {
+        network_type: "NAT".to_string(),
+        vm_ip: vm_ip.clone(),
+        host_to_vm,
+        vm_to_host: "none".to_string(),
+    };
+    Ok(vec![row])
+}
+
 fn default_mounts(cwd: &Path) -> Result<Vec<tui::MountListRow>> {
     let project_name = cwd
         .file_name()

src/instance.rs

@@ -162,6 +162,25 @@ pub(crate) fn load_or_create_instance_config(
     Ok(config)
 }
 
+fn read_instance_config(
+    instance_dir: &Path,
+) -> Result<Option<InstanceConfig>, Box<dyn std::error::Error>> {
+    let config_path = instance_dir.join(INSTANCE_FILENAME);
+    if !config_path.exists() {
+        return Ok(None);
+    }
+    let raw = fs::read_to_string(&config_path)?;
+    let config = toml::from_str::<InstanceConfig>(&raw)?;
+    Ok(Some(config))
+}
+
+pub fn read_instance_vm_ip(
+    instance_dir: &Path,
+) -> Result<Option<String>, Box<dyn std::error::Error>> {
+    let config = read_instance_config(instance_dir)?;
+    Ok(config.and_then(|cfg| cfg.vm_ipv4))
+}
+
 pub fn touch_last_active(instance_dir: &Path) -> Result<(), Box<dyn std::error::Error>> {
     let mut config = load_or_create_instance_config(instance_dir)?;
     let now = OffsetDateTime::now_utc().format(&Rfc3339)?;

src/tui.rs

@@ -115,6 +115,14 @@ pub struct MountListRow {
     pub default_mount: String,
 }
 
+#[derive(Debug, Clone)]
+pub struct NetworkListRow {
+    pub network_type: String,
+    pub vm_ip: String,
+    pub host_to_vm: String,
+    pub vm_to_host: String,
+}
+
 #[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
 struct PageLayout {
     header: Rect,
@@ -253,6 +261,65 @@ pub fn render_mounts_table(rows: &[MountListRow]) -> Result<()> {
     let mut buffer = Buffer::empty(Rect::new(0, 0, width, height));
     let area = Rect::new(0, 0, width, height);
 
+    render_mounts_table_into(rows, area, &mut buffer);
+
+    let mut stdout = io::stdout();
+    execute!(stdout, Clear(ClearType::All), MoveTo(0, 0), Show)?;
+    write_buffer_with_style(&buffer, &mut stdout)?;
+    stdout.flush()?;
+    Ok(())
+}
+
+pub fn render_explain_tables(mounts: &[MountListRow], networks: &[NetworkListRow]) -> Result<()> {
+    let (width, _) = crossterm::terminal::size()?;
+    if width == 0 {
+        return Ok(());
+    }
+
+    let mounts_height = if mounts.is_empty() {
+        0
+    } else {
+        (mounts.len() as u16).saturating_add(3)
+    };
+    let networks_height = if networks.is_empty() {
+        0
+    } else {
+        (networks.len() as u16).saturating_add(3)
+    };
+    let gap = if mounts_height > 0 && networks_height > 0 {
+        1
+    } else {
+        0
+    };
+    let total_height = mounts_height
+        .saturating_add(gap)
+        .saturating_add(networks_height);
+    if total_height == 0 {
+        return Ok(());
+    }
+
+    let mut buffer = Buffer::empty(Rect::new(0, 0, width, total_height));
+    let mut y = 0u16;
+
+    if mounts_height > 0 {
+        let area = Rect::new(0, y, width, mounts_height);
+        render_mounts_table_into(mounts, area, &mut buffer);
+        y = y.saturating_add(mounts_height).saturating_add(gap);
+    }
+
+    if networks_height > 0 {
+        let area = Rect::new(0, y, width, networks_height);
+        render_networks_table_into(networks, area, &mut buffer);
+    }
+
+    let mut stdout = io::stdout();
+    execute!(stdout, Clear(ClearType::All), MoveTo(0, 0), Show)?;
+    write_buffer_with_style(&buffer, &mut stdout)?;
+    stdout.flush()?;
+    Ok(())
+}
+
+fn render_mounts_table_into(rows: &[MountListRow], area: Rect, buffer: &mut Buffer) {
     let header = Row::new(vec![
         Cell::from("Host"),
         Cell::from("Guest"),
@@ -286,13 +353,41 @@ pub fn render_mounts_table(rows: &[MountListRow]) -> Result<()> {
     .block(Block::default().title("Mounts").borders(Borders::ALL))
     .column_spacing(1);
 
-    table.render(area, &mut buffer);
+    table.render(area, buffer);
+}
 
-    let mut stdout = io::stdout();
-    execute!(stdout, Clear(ClearType::All), MoveTo(0, 0), Show)?;
-    write_buffer_with_style(&buffer, &mut stdout)?;
-    stdout.flush()?;
-    Ok(())
+fn render_networks_table_into(rows: &[NetworkListRow], area: Rect, buffer: &mut Buffer) {
+    let header = Row::new(vec![
+        Cell::from("Type"),
+        Cell::from("VM IP"),
+        Cell::from("Host \u{2192} VM"),
+        Cell::from("VM \u{2192} Host"),
+    ])
+    .style(Style::default().fg(Color::Cyan));
+
+    let table_rows = rows.iter().map(|row| {
+        Row::new(vec![
+            Cell::from(row.network_type.clone()),
+            Cell::from(row.vm_ip.clone()),
+            Cell::from(row.host_to_vm.clone()),
+            Cell::from(row.vm_to_host.clone()),
+        ])
+    });
+
+    let table = Table::new(
+        table_rows,
+        [
+            Constraint::Length(8),
+            Constraint::Length(16),
+            Constraint::Min(24),
+            Constraint::Min(20),
+        ],
+    )
+    .header(header)
+    .block(Block::default().title("Network").borders(Borders::ALL))
+    .column_spacing(1);
+
+    table.render(area, buffer);
 }
 
 pub fn passthrough_vm_io(