diff --git a/apps/desktop/src-tauri/capabilities/default.json b/apps/desktop/src-tauri/capabilities/default.json
index e633b09..953687a 100644
--- a/apps/desktop/src-tauri/capabilities/default.json
+++ b/apps/desktop/src-tauri/capabilities/default.json
@@ -2,7 +2,7 @@
   "$schema": "../gen/schemas/desktop-schema.json",
   "identifier": "default",
   "description": "Capability for all windows",
-  "windows": ["main", "chat-*"],
+  "windows": ["main", "chat-*", "chat-hub"],
   "permissions": [
     "core:default",
     "core:event:default",
diff --git a/apps/desktop/src-tauri/src/chat.rs b/apps/desktop/src-tauri/src/chat.rs
index e0cd7e5..b625956 100644
--- a/apps/desktop/src-tauri/src/chat.rs
+++ b/apps/desktop/src-tauri/src/chat.rs
@@ -1137,6 +1137,10 @@ fn open_chat_window_with_state(app: &tauri::AppHandle, ticket_id: &str, ticket_r
     if let Some(window) = app.get_webview_window(&label) {
         window.show().map_err(|e| e.to_string())?;
         window.set_focus().map_err(|e| e.to_string())?;
+        // Expandir a janela se estiver minimizada (quando clicado na lista)
+        if !start_minimized {
+            let _ = set_chat_minimized(app, ticket_id, false);
+        }
         return Ok(());
     }
 
@@ -1165,6 +1169,7 @@ fn open_chat_window_with_state(app: &tauri::AppHandle, ticket_id: &str, ticket_r
     .decorations(false) // Sem decoracoes nativas - usa header customizado
     .transparent(true) // Permite fundo transparente
     .shadow(false) // Desabilitar sombra para transparencia funcionar corretamente
+    .resizable(false) // Desabilitar redimensionamento manual
     .always_on_top(true)
     .skip_taskbar(true)
     .focused(true)
@@ -1266,6 +1271,7 @@ fn open_hub_window_with_state(app: &tauri::AppHandle, start_minimized: bool) ->
     .decorations(false)
     .transparent(true)
     .shadow(false)
+    .resizable(false) // Desabilitar redimensionamento manual
     .always_on_top(true)
     .skip_taskbar(true)
     .focused(true)