feat(app): make the New tab launcher keyboard-first

Cmd/Ctrl+T now opens the focused pane's launcher, while explicit target shortcuts bypass the menu. Dispatcher ownership is scoped to the app tree so retained workspaces cannot intercept commands.

packages/app/src/i18n/resources/pt-BR.ts

@@ -596,6 +596,8 @@ export const ptBR: TranslationResources = {
         preparingTerminal: "Preparando aba de terminal",
         preparingTerminalTooltip: "Preparando terminal...",
         newBrowser: "Novo navegador",
+        maximizePane: "Maximizar painel",
+        restorePane: "Restaurar painel",
         exitFocusMode: "Sair do modo de foco",
         splitRight: "Dividir painel à direita",
         splitDown: "Dividir painel abaixo",
@@ -1379,6 +1381,7 @@ export const ptBR: TranslationResources = {
     openPath: "Abrir caminho",
   },
   branchSwitcher: {
+    triggerTooltip: "Trocar branch do workspace",
     currentBranch: "Branch atual: {{branchName}}. Pressione para trocar de branch.",
     placeholder: "Trocar branch...",
     searchPlaceholder: "Filtrar branches...",
@@ -2084,6 +2087,7 @@ export const ptBR: TranslationResources = {
         toggleBothSidebars: "Alternar ambas as barras laterais",
         toggleSettings: "Alternar Configurações",
         toggleFocusMode: "Alternar modo de foco",
+        toggleExplorerPaneMaximization: "Alternar maximização do painel Explorador",
         cycleTheme: "Alternar tema",
         focusMessageInput: "Focar entrada de mensagem",
         cycleAgentMode: "Alternar modo do agente",