fix: prevent recursive form launch — set deploying before huh runs

m.deploying is now set synchronously before the goroutine starts,
preventing bubbletea from re-capturing number keys meant for the
huh form.  Removed duplicate '1' key handler from wizard view.

internal/ui/ui.go

@@ -79,15 +79,13 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				m.state = viewWizard
 				return m, nil
 			}
-			if m.state == viewWizard && !m.deploying {
-				return m, m.startDeploy()
-			}
 		case "2":
 			if m.state == viewDeployChoice {
 				return m, func() tea.Msg { return tea.Quit() } // exit TUI for tunnel flow
 			}
 		case "enter":
 			if m.state == viewWizard && !m.deploying {
+				m.deploying = true
 				return m, m.startDeploy()
 			}
 			if m.state == viewDone || m.state == viewError {