Let me start with (2) since fewer people have addressed this already. I certainly have wondered about it the few times I've been on the job market. However, I've also seen many applications at my institution. I think most people:

Include the publication list in the CV and in the separate document.

I don't think it is necessary to include abstracts in the publication list (some people do, most people don't). This presumably data should also be in your research statement.

For (1), having extra letters of reference do not hurt. Especially for tenure track jobs at big schools (like Penn State) having the minimum is actually very unusual.

On the other hand, it seems unusual to include things that are not asked for.

Let me start with (2) since fewer people have addressed this already. I certainly have wondered about it the few times I've been on the job market. However, I've also seen many applications at my institution. I think most people:

Include the publication list in the CV and in the separate document.

I don't think it is necessary to include abstracts in the publication list (some people do, most people don't). The main part of this data presumably should also be in your research statement.

For (1), having extra letters of reference do not hurt. Especially for tenure track jobs at big schools (like Penn State) having the minimum is actually very unusual.

On the other hand, it seems unusual to include things that are not asked for.

Let me start with (2) since fewer people have addressed this already. I certainly have wondered about it the few times I've been on the job market. However, I've also seen many applications at my institution. I think most people:

Include the publication list in the CV and in the separate document.

I don't think it is necessary to include abstracts in the publication list (some people do, most people don't). This presumably happens also in your research statement.

For (1), having extra letters of reference do not hurt. Especially for tenure track jobs at big schools (like Penn State) having the minimum is actually very unusual.

On the other hand, it seems unusual to include things that are not asked for.

Let me start with (2) since fewer people have addressed this already. I certainly have wondered about it the few times I've been on the job market. However, I've also seen many applications at my institution. I think most people:

Include the publication list in the CV and in the separate document.

I don't think it is necessary to include abstracts in the publication list (some people do, most people don't). This presumably data should also be in your research statement.

For (1), having extra letters of reference do not hurt. Especially for tenure track jobs at big schools (like Penn State) having the minimum is actually very unusual.

On the other hand, it seems unusual to include things that are not asked for.