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

pkg/tui/tabs.go

@@ -146,9 +146,14 @@ func (tm *TabManager) Update(msg tea.Msg) (tea.Cmd, error) {
 		}
 	}
 
-	// Handle window resize
+	// Handle window resize — forward to ALL tabs
 	if wsMsg, ok := msg.(tea.WindowSizeMsg); ok {
 		tm.SetSize(wsMsg.Width, wsMsg.Height)
+		for i, t := range tm.tabs {
+			updated, _ := t.Update(msg)
+			tm.tabs[i] = updated
+		}
+		return nil, nil
 	}
 
 	updated, cmd := tm.tabs[tm.active].Update(msg)