Hull Repair Advice for a "Sunfish Clone"

Now before anyone gets mad at me for posting about an imitation sunfish in the Sunfish Forum, here me out! I have a Lockley-Newport Panther that is essentially the same thing as a Sunfish, so I imagine the hull repair would be the same, hence this seemed the most relevant place to ask. Also, some of you may already be familiar with the tale of this boat from my first post here. TL;DR...

Hull Repair Advice for a "Sunfish Clone"