fix: Space/Left/Right passthrough in host form, key/snippet refresh on save/delete, WindowSize to all tabs, footer improvements

pkg/tui/host_form_tab.go

@@ -159,7 +159,10 @@ func (t *HostFormTab) Update(msg tea.Msg) (Tab, tea.Cmd) {
 				t.toggleAuthType()
 				return t, nil
 			}
-			fallthrough
+			// pass through to text input (allow typing spaces, cursor nav)
+			var cmd tea.Cmd
+			t.inputs[t.focus], cmd = t.inputs[t.focus].Update(msg)
+			return t, cmd
 
 		case "tab", "down":
 			t.nextField()
@@ -356,7 +359,7 @@ func (t *HostFormTab) View() string {
 
 	inner.WriteString("\n")
 	inner.WriteString(lipgloss.PlaceHorizontal(contentW, lipgloss.Center,
-		SubtitleStyle.Render("Ctrl+Tab:switch  Ctrl+Q:close  Tab:next  Enter:next  Ctrl+S:save  Esc:cancel")))
+		SubtitleStyle.Render("Ctrl+Tab:switch  Ctrl+Q:close  Tab:next  Shift+Tab:prev  ↑↓:nav  Enter:next  Ctrl+S:save  Esc:cancel")))
 
 	box := BorderStyle.Render(inner.String())
 	var b strings.Builder