This is the BB “Bunny-Proofing” Info page: https://binkybunny.com/BUNNYINFO/tabid/53/CategoryID/8/PID/940/Default.aspx
Like bam said, bunny-proofing is going to really vary from person to person based on where your rabbit has access to, what items are kept in that area, and how much is done in that room.
A dedicated rabbit room is easier to bunny-proof, since it’s probably just an empty room with the bunny’s stuff, and maybe a chair…
A family room takes more time (and money) to bunny-proof because you are now dealing with expensive items with lots of power cords (tv, tv components, video game systems, lamps, computers, charging cords for various personal items).
I like the idea of using what you have to block off-limit areas. If you can position furniture in a way that blocks major no-no areas, there is less you have to do to bunny-proof, you would just need to block off any gaps on the side or underneath that the bunny could sneak through.
But… take the VALUE of the furniture into account too! There’s a big difference between a hand-crafted Italian 12-person dining room table with custom inlays… and your local $99 Walmart special dining room table… :o) The former would need its own level of protection… the latter… eh, who cares?
If you can give more info on where she will be permitted to have free run, we might be able to offer more specific ideas.
One more thing, regarding the leaf she ate, was this from a houseplant? Some houseplants are toxic, and there are lists available that detail which ones. All houseplants should be out of her reach, and in an area where she won’t be able to get to fallen leaves.