diff --git a/src/core/window.zig b/src/core/window.zig
index c20342e..6b0385a 100644
--- a/src/core/window.zig
+++ b/src/core/window.zig
@@ -11,6 +11,7 @@ const std = @import("std");
 const Context = @import("context.zig").Context;
 const Layout = @import("layout.zig");
 const Rect = Layout.Rect;
+const Input = @import("input.zig");
 
 // =============================================================================
 // Panel Interface (con contexto opaco)
@@ -32,6 +33,9 @@ pub const PanelInfo = struct {
     preferred_zone: Zone = .center,
     /// Tecla de acceso rápido: Ctrl+focus_key (1-9, null = sin atajo)
     focus_key: ?u8 = null,
+    /// Sensibilidad a ráfagas: si true, el panel se auto-suprime durante navegación rápida
+    /// Paneles de navegación principal (who_list, who_detail) deben ser false
+    burst_sensitive: bool = true,
 };
 
 /// Zonas de layout disponibles
@@ -45,19 +49,14 @@ pub const Zone = enum {
 };
 
 /// Evento simplificado para paneles
+/// Usa Input.KeyEvent de core/input.zig para compatibilidad
 pub const Event = union(enum) {
-    key: KeyEvent,
+    key: Input.KeyEvent,
     mouse: MouseEvent,
     resize: ResizeEvent,
     text_input: TextInputEvent,
     quit,
 
-    pub const KeyEvent = struct {
-        key: u32,
-        pressed: bool,
-        modifiers: Modifiers,
-    };
-
     pub const MouseEvent = struct {
         x: i32,
         y: i32,
@@ -77,11 +76,8 @@ pub const Event = union(enum) {
 
     pub const MouseButton = enum { left, middle, right };
 
-    pub const Modifiers = struct {
-        ctrl: bool = false,
-        shift: bool = false,
-        alt: bool = false,
-    };
+    // Re-export KeyEvent para acceso uniforme
+    pub const KeyEvent = Input.KeyEvent;
 };
 
 /// Interface Panel con contexto opaco (desacoplado de aplicación)
@@ -199,8 +195,9 @@ pub const WindowState = struct {
     /// Identificador de la ventana
     id: []const u8,
 
-    /// Lista de paneles (BoundedArray - sin allocations dinámicas)
-    panels: std.BoundedArray(Panel, MAX_PANELS),
+    /// Lista de paneles (array estático + contador - sin allocations dinámicas)
+    panels_arr: [MAX_PANELS]Panel,
+    panels_len: usize,
 
     /// Rectángulos para cada panel (actualizados externamente por layout)
     rects: [MAX_PANELS]Rect,
@@ -217,7 +214,8 @@ pub const WindowState = struct {
     pub fn init(id: []const u8, base_focus_group: u64) Self {
         return .{
             .id = id,
-            .panels = .{},
+            .panels_arr = undefined,
+            .panels_len = 0,
             .rects = [_]Rect{.{ .x = 0, .y = 0, .w = 0, .h = 0 }} ** MAX_PANELS,
             .focused_idx = 0,
             .base_focus_group = base_focus_group,
@@ -226,12 +224,19 @@ pub const WindowState = struct {
 
     /// Añade un panel a la ventana
     pub fn addPanel(self: *Self, panel: Panel) error{Overflow}!void {
-        try self.panels.append(panel);
+        if (self.panels_len >= MAX_PANELS) return error.Overflow;
+        self.panels_arr[self.panels_len] = panel;
+        self.panels_len += 1;
+    }
+
+    /// Obtiene slice de paneles
+    pub fn panels(self: *Self) []Panel {
+        return self.panels_arr[0..self.panels_len];
     }
 
     /// Actualiza los rectángulos de los paneles (llamado por layout externo)
     pub fn updateRects(self: *Self, rects: []const Rect) void {
-        const len = @min(rects.len, self.panels.len);
+        const len = @min(rects.len, self.panels_len);
         for (0..len) |i| {
             self.rects[i] = rects[i];
         }
@@ -240,7 +245,7 @@ pub const WindowState = struct {
     /// Dibuja todos los paneles - EL ID VIAJA CON EL PANEL
     /// Elimina errores de mismatch de IDs por construcción
     pub fn draw(self: *Self, ctx: *Context, app_ctx: ?*anyopaque) void {
-        for (self.panels.slice(), 0..) |panel, i| {
+        for (self.panels(), 0..) |panel, i| {
             const info = panel.getInfo();
             const rect = self.rects[i];
 
@@ -256,17 +261,17 @@ pub const WindowState = struct {
 
     /// Mueve el foco al siguiente panel (F6)
     pub fn focusNext(self: *Self, ctx: *Context) void {
-        if (self.panels.len == 0) return;
+        if (self.panels_len == 0) return;
 
         // Notificar blur al panel actual
-        const current = self.panels.slice()[self.focused_idx];
+        const current = self.panels()[self.focused_idx];
         current.onBlur(null);
 
         // Mover al siguiente
-        self.focused_idx = (self.focused_idx + 1) % self.panels.len;
+        self.focused_idx = (self.focused_idx + 1) % self.panels_len;
 
         // Notificar focus al nuevo panel
-        const next = self.panels.slice()[self.focused_idx];
+        const next = self.panels()[self.focused_idx];
         next.onFocus(null);
 
         // Actualizar focus group activo
@@ -275,17 +280,17 @@ pub const WindowState = struct {
 
     /// Mueve el foco al panel anterior (Shift+F6)
     pub fn focusPrev(self: *Self, ctx: *Context) void {
-        if (self.panels.len == 0) return;
+        if (self.panels_len == 0) return;
 
         // Notificar blur al panel actual
-        const current = self.panels.slice()[self.focused_idx];
+        const current = self.panels()[self.focused_idx];
         current.onBlur(null);
 
         // Mover al anterior
-        self.focused_idx = if (self.focused_idx == 0) self.panels.len - 1 else self.focused_idx - 1;
+        self.focused_idx = if (self.focused_idx == 0) self.panels_len - 1 else self.focused_idx - 1;
 
         // Notificar focus al nuevo panel
-        const prev = self.panels.slice()[self.focused_idx];
+        const prev = self.panels()[self.focused_idx];
         prev.onFocus(null);
 
         // Actualizar focus group activo
@@ -294,17 +299,17 @@ pub const WindowState = struct {
 
     /// Enfoca un panel por índice (Ctrl+1, Ctrl+2, etc.)
     pub fn focusByIndex(self: *Self, ctx: *Context, idx: usize) void {
-        if (idx >= self.panels.len) return;
+        if (idx >= self.panels_len) return;
 
         // Notificar blur al panel actual
-        const current = self.panels.slice()[self.focused_idx];
+        const current = self.panels()[self.focused_idx];
         current.onBlur(null);
 
         // Cambiar índice
         self.focused_idx = idx;
 
         // Notificar focus al nuevo panel
-        const target = self.panels.slice()[self.focused_idx];
+        const target = self.panels()[self.focused_idx];
         target.onFocus(null);
 
         // Actualizar focus group activo
@@ -313,19 +318,19 @@ pub const WindowState = struct {
 
     /// Obtiene el panel actualmente enfocado
     pub fn getFocusedPanel(self: *Self) ?Panel {
-        if (self.panels.len == 0) return null;
-        return self.panels.slice()[self.focused_idx];
+        if (self.panels_len == 0) return null;
+        return self.panels()[self.focused_idx];
     }
 
     /// Despacha un evento al panel enfocado
     pub fn handleEvent(self: *Self, event: Event, app_ctx: ?*anyopaque) bool {
-        if (self.panels.len == 0) return false;
-        const focused = self.panels.slice()[self.focused_idx];
+        if (self.panels_len == 0) return false;
+        const focused = self.panels()[self.focused_idx];
         return focused.handleEvent(event, app_ctx);
     }
 
     /// Número de paneles en la ventana
     pub fn panelCount(self: *const Self) usize {
-        return self.panels.len;
+        return self.panels_len;
     }
 };
diff --git a/src/zcatgui.zig b/src/zcatgui.zig
index 3adcfb7..efe5b61 100644
--- a/src/zcatgui.zig
+++ b/src/zcatgui.zig
@@ -69,6 +69,15 @@ pub const SwipeDirection = gesture.SwipeDirection;
 // Window system (paneles dinámicos)
 pub const window = @import("core/window.zig");
 pub const WindowState = window.WindowState;
+
+// Panel types - usados por aplicaciones para definir paneles
+pub const Panel = window.Panel;
+pub const PanelInfo = window.PanelInfo;
+pub const Zone = window.Zone;
+pub const Event = window.Event;
+pub const makePanel = window.makePanel;
+
+// Aliases legacy (deprecated - usar los de arriba)
 pub const WindowPanel = window.Panel;
 pub const WindowPanelInfo = window.PanelInfo;
 pub const makeWindowPanel = window.makePanel;