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/options/linux/linux.go

@@ -0,0 +1,56 @@
+package linux
+
+// WebviewGpuPolicy values used for determining the webview's hardware acceleration policy.
+type WebviewGpuPolicy int
+
+const (
+	// WebviewGpuPolicyAlways Hardware acceleration is always enabled.
+	WebviewGpuPolicyAlways WebviewGpuPolicy = iota
+	// WebviewGpuPolicyOnDemand Hardware acceleration is enabled/disabled as request by web contents.
+	WebviewGpuPolicyOnDemand
+	// WebviewGpuPolicyNever Hardware acceleration is always disabled.
+	WebviewGpuPolicyNever
+)
+
+// Options specific to Linux builds
+type Options struct {
+	// Icon Sets up the icon representing the window. This icon is used when the window is minimized
+	// (also known as iconified).
+	Icon []byte
+
+	// WindowIsTranslucent sets the window's background to transparent when enabled.
+	WindowIsTranslucent bool
+
+	// Messages are messages that can be customised
+	Messages *Messages
+
+	// WebviewGpuPolicy used for determining the hardware acceleration policy for the webview.
+	//   - WebviewGpuPolicyAlways
+	//   - WebviewGpuPolicyOnDemand
+	//   - WebviewGpuPolicyNever
+	//
+	// Due to https://github.com/wailsapp/wails/issues/2977, if options.Linux is nil
+	// in the call to wails.Run(), WebviewGpuPolicy is set by default to WebviewGpuPolicyNever.
+	// Client code may override this behavior by passing a non-nil Options and set
+	// WebviewGpuPolicy as needed.
+	WebviewGpuPolicy WebviewGpuPolicy
+
+	// ProgramName is used to set the program's name for the window manager via GTK's g_set_prgname().
+	//This name should not be localized. [see the docs]
+	//
+	//When a .desktop file is created this value helps with window grouping and desktop icons when the .desktop file's Name
+	//property differs form the executable's filename.
+	//
+	//[see the docs]: https://docs.gtk.org/glib/func.set_prgname.html
+	ProgramName string
+}
+
+type Messages struct {
+	WebKit2GTKMinRequired string
+}
+
+func DefaultMessages() *Messages {
+	return &Messages{
+		WebKit2GTKMinRequired: "This application requires at least WebKit2GTK %s to be installed.",
+	}
+}