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/jchv/go-winloader/internal/winloader/loader_windows.go

@@ -0,0 +1,96 @@
+package winloader
+
+import (
+	"syscall"
+
+	"github.com/jchv/go-winloader/internal/loader"
+	"golang.org/x/sys/windows"
+)
+
+// Proc is a Proc implementation using a native procedure.
+type Proc uintptr
+
+// Call calls a native procedure.
+func (p Proc) Call(a ...uint64) (r1, r2 uint64, lastErr error) {
+	var n1, n2 uintptr
+	switch len(a) {
+	case 0:
+		n1, n2, lastErr = syscall.Syscall(uintptr(p), 0, 0, 0, 0)
+	case 1:
+		n1, n2, lastErr = syscall.Syscall(uintptr(p), 1, uintptr(a[0]), 0, 0)
+	case 2:
+		n1, n2, lastErr = syscall.Syscall(uintptr(p), 2, uintptr(a[0]), uintptr(a[1]), 0)
+	case 3:
+		n1, n2, lastErr = syscall.Syscall(uintptr(p), 3, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]))
+	case 4:
+		n1, n2, lastErr = syscall.Syscall6(uintptr(p), 4, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), 0, 0)
+	case 5:
+		n1, n2, lastErr = syscall.Syscall6(uintptr(p), 5, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), 0)
+	case 6:
+		n1, n2, lastErr = syscall.Syscall6(uintptr(p), 6, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]))
+	case 7:
+		n1, n2, lastErr = syscall.Syscall9(uintptr(p), 7, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), 0, 0)
+	case 8:
+		n1, n2, lastErr = syscall.Syscall9(uintptr(p), 8, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), 0)
+	case 9:
+		n1, n2, lastErr = syscall.Syscall9(uintptr(p), 9, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]))
+	case 10:
+		n1, n2, lastErr = syscall.Syscall12(uintptr(p), 10, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]), uintptr(a[9]), 0, 0)
+	case 11:
+		n1, n2, lastErr = syscall.Syscall12(uintptr(p), 11, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]), uintptr(a[9]), uintptr(a[10]), 0)
+	case 12:
+		n1, n2, lastErr = syscall.Syscall12(uintptr(p), 12, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]), uintptr(a[9]), uintptr(a[10]), uintptr(a[11]))
+	case 13:
+		n1, n2, lastErr = syscall.Syscall15(uintptr(p), 13, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]), uintptr(a[9]), uintptr(a[10]), uintptr(a[11]), uintptr(a[12]), 0, 0)
+	case 14:
+		n1, n2, lastErr = syscall.Syscall15(uintptr(p), 14, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]), uintptr(a[9]), uintptr(a[10]), uintptr(a[11]), uintptr(a[12]), uintptr(a[13]), 0)
+	case 15:
+		n1, n2, lastErr = syscall.Syscall15(uintptr(p), 15, uintptr(a[0]), uintptr(a[1]), uintptr(a[2]), uintptr(a[3]), uintptr(a[4]), uintptr(a[5]), uintptr(a[6]), uintptr(a[7]), uintptr(a[8]), uintptr(a[9]), uintptr(a[10]), uintptr(a[11]), uintptr(a[12]), uintptr(a[13]), uintptr(a[14]))
+	default:
+		panic("too many arguments")
+	}
+	return uint64(n1), uint64(n2), lastErr
+}
+
+// Addr gets the native address of the procedure.
+func (p Proc) Addr() uint64 {
+	return uint64(p)
+}
+
+// Library is a module implementation using the native Windows loader.
+type Library windows.Handle
+
+// Proc implements loader.Module
+func (l Library) Proc(name string) loader.Proc {
+	proc, _ := windows.GetProcAddress(windows.Handle(l), name)
+	if proc == 0 {
+		return nil
+	}
+	return Proc(proc)
+}
+
+// Ordinal implements loader.Module
+func (l Library) Ordinal(ordinal uint64) loader.Proc {
+	proc, _ := windows.GetProcAddressByOrdinal(windows.Handle(l), uintptr(ordinal))
+	if proc == 0 {
+		return nil
+	}
+	return Proc(proc)
+}
+
+// Free implements loader.Module
+func (l Library) Free() error {
+	return windows.FreeLibrary(windows.Handle(l))
+}
+
+// Loader is a loader that uses the native Windows library loader.
+type Loader struct{}
+
+// Load loads a module into memory.
+func (Loader) Load(libname string) (loader.Module, error) {
+	handle, err := windows.LoadLibrary(libname)
+	if err != nil {
+		return nil, err
+	}
+	return Library(handle), nil
+}