I can't believe you completed the entire game! I am incredibly thankful that you took so much time to go through everything (and very impressed that you managed to get to 100 shells haha). Thank you for noticing the different snippets of dialogue! I didn't think people would revisit the NPCs but added it just in case.
I absolutely love your "necklace of the seasons" design. In my original idea, I wanted there to be a "cookbook" for the different necklaces. So if you made a certain necklace (e.g. a design with shells, then blue coral, then pink pearl), you would "unlock" that design! One of my "recipes" was actually like the necklace you made! You would've gotten a special achievement for making a necklace with all the pearl protector's pearls!