Switch remote deploy to vendored source builds

Move remote deployment to a vendored source bundle built on the target host via Docker so redeploys no longer require local cross-compilation or host Go installation.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

vendor/github.com/wailsapp/wails/v2/internal/menumanager/contextmenu.go

@@ -0,0 +1,59 @@
+package menumanager
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/wailsapp/wails/v2/pkg/menu"
+)
+
+type ContextMenu struct {
+	ID            string
+	ProcessedMenu *WailsMenu
+	menuItemMap   *MenuItemMap
+	menu          *menu.Menu
+}
+
+func (t *ContextMenu) AsJSON() (string, error) {
+	data, err := json.Marshal(t)
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}
+
+func NewContextMenu(contextMenu *menu.ContextMenu) *ContextMenu {
+	result := &ContextMenu{
+		ID:          contextMenu.ID,
+		menu:        contextMenu.Menu,
+		menuItemMap: NewMenuItemMap(),
+	}
+
+	result.menuItemMap.AddMenu(contextMenu.Menu)
+	result.ProcessedMenu = NewWailsMenu(result.menuItemMap, result.menu)
+
+	return result
+}
+
+func (m *Manager) AddContextMenu(contextMenu *menu.ContextMenu) {
+	newContextMenu := NewContextMenu(contextMenu)
+
+	// Save the references
+	m.contextMenus[contextMenu.ID] = newContextMenu
+	m.contextMenuPointers[contextMenu] = contextMenu.ID
+}
+
+func (m *Manager) UpdateContextMenu(contextMenu *menu.ContextMenu) (string, error) {
+	contextMenuID, contextMenuKnown := m.contextMenuPointers[contextMenu]
+	if !contextMenuKnown {
+		return "", fmt.Errorf("unknown Context Menu '%s'. Please add the context menu using AddContextMenu()", contextMenu.ID)
+	}
+
+	// Create the updated context menu
+	updatedContextMenu := NewContextMenu(contextMenu)
+
+	// Save the reference
+	m.contextMenus[contextMenuID] = updatedContextMenu
+
+	return updatedContextMenu.AsJSON()
+}