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/pkg/menu/menu.go

@@ -0,0 +1,75 @@
+package menu
+
+import "github.com/wailsapp/wails/v2/pkg/menu/keys"
+
+type Menu struct {
+	Items []*MenuItem
+}
+
+func NewMenu() *Menu {
+	return &Menu{}
+}
+
+func (m *Menu) Append(item *MenuItem) {
+	m.Items = append(m.Items, item)
+}
+
+// Merge will append the items in the given menu
+// into this menu
+func (m *Menu) Merge(menu *Menu) {
+	m.Items = append(m.Items, menu.Items...)
+}
+
+// AddText adds a TextMenu item to the menu
+func (m *Menu) AddText(label string, accelerator *keys.Accelerator, click Callback) *MenuItem {
+	item := Text(label, accelerator, click)
+	m.Append(item)
+	return item
+}
+
+// AddCheckbox adds a CheckboxMenu item to the menu
+func (m *Menu) AddCheckbox(label string, checked bool, accelerator *keys.Accelerator, click Callback) *MenuItem {
+	item := Checkbox(label, checked, accelerator, click)
+	m.Append(item)
+	return item
+}
+
+// AddRadio adds a radio item to the menu
+func (m *Menu) AddRadio(label string, checked bool, accelerator *keys.Accelerator, click Callback) *MenuItem {
+	item := Radio(label, checked, accelerator, click)
+	m.Append(item)
+	return item
+}
+
+// AddSeparator adds a separator to the menu
+func (m *Menu) AddSeparator() {
+	item := Separator()
+	m.Append(item)
+}
+
+func (m *Menu) AddSubmenu(label string) *Menu {
+	submenu := NewMenu()
+	item := SubMenu(label, submenu)
+	m.Append(item)
+	return submenu
+}
+
+func (m *Menu) Prepend(item *MenuItem) {
+	m.Items = append([]*MenuItem{item}, m.Items...)
+}
+
+func NewMenuFromItems(first *MenuItem, rest ...*MenuItem) *Menu {
+	result := NewMenu()
+	result.Append(first)
+	for _, item := range rest {
+		result.Append(item)
+	}
+
+	return result
+}
+
+func (m *Menu) setParent(menuItem *MenuItem) {
+	for _, item := range m.Items {
+		item.parent = menuItem
+	}
+}