Well, she doesn't want to go all frosty when Thauron likely doesn't even know she can do that, let alone that she's got the hang of it. And an illusion sunshade wouldn't even work. She heals away the symptoms of sunburn and heat exhaustion every now and then. Tromp. Tromp.
You could try making my spellwork uninteresting, I have a perfectly good excuse to have that out.
And presently she adds it to her entourage of songs. Want this on everyone in the party besides me and decoy bird?
She spins off copies, attaches them where they need to be.
This makes it pleasanter to hike; she doesn't stop for the night right away. If she has even a few second's warning that Thauron is coming she can do a sleep-skipper then.
Well, I don't have any. It might seem in character for me to just stop and stall partway there, then he might come out.
She bounces this exchange to the others when she remembers they exist.