Here it is.
seems kind of terse.
2. Related, should there be any kind of title page on the manuscript? Clearly, it's too early for the dedications. But should there be a standalone title page of any sort, and if so what goes on it? Or is it just at the top of the first page, "Chapter 1. It was a dark and stormy night..."
1. Assuming you're sending this via email, hit reply to the agent's request and in that email say pretty much what you wrote there. Terse is fine really.
But I know you can't do that without wriggling with discomfort so what you can do is ADD under the terse paragraph, a sentence that says something like "here's the pitch again in case you need it" and you repeat the pitch portion of your query.
This newfangled interwebz allows us to sort and link email so it's easy to see what you sent before.
1A. IF however you are sending this by paper and carrier pigeon, writ in the blood sweat and tears of your own fevered hand, yes you need a cover letter. And it says pretty much what you've suggested: Thanks for requesting my manuscript. Here's a bit about it to refresh your memory, and you repeat the pitch portion of the query letter.
2. I prefer the title and the author's name just above the start of the chapter. I'm reading on a Kindle, and most other agents are reading electronically.
ADVENTURES ON THE NEW JERSEY TURNPIKE
It was a hot and steamy day followed by a dark and stormy night at Exit One.
Certainly leave out what we call front matter: dedications, acknowledgments, copyright (!!!!) etc.
Do not leave out your name.