first commit

cli/internal/runtime/pty_windows.go

@@ -0,0 +1,20 @@
+//go:build windows
+
+package runtime
+
+import (
+	"context"
+	"io"
+	"os"
+	"os/exec"
+)
+
+// runWithPTY is a no-op on Windows — falls back to direct stdin/stdout piping.
+// Windows does not support POSIX pseudo-terminals; full support would require
+// ConPTY which is not yet portable in Go.
+func runWithPTY(_ context.Context, stdout io.Writer, cmd *exec.Cmd) error {
+	cmd.Stdout = stdout
+	cmd.Stderr = stdout
+	cmd.Stdin = os.Stdin
+	return cmd.Run()
+}