Congrats! I'm currently a Granola user, and wanted to build this myself a while back. But I probably wouldn't have gone as far as fine-tuning a small model for meeting summarization. Can't wait to try it out!
You have an icon with the Finder face labeled "Open Finder view." I would expect this to open the app's data folder in the macOS Finder. Instead, it opens an accessory window with some helpful views such as calendar view. I'd encourage you to find another name for that window, because it's too confusing to call it "Finder" (especially with the icon).
I'd also add a menu item for Settings (and Command-comma shortcut) in the Application menu.
You also need a dark mode at some point.
Finally, I'm not sure where note files end up. Seeing that there's an Obsidian integration, I would love an option to save notes in Markdown format into a folder of my choice. I'm an iA Writer user, and would love to have meeting notes go directly into my existing notes folder.
I'll let you know how the actual functionality is working for me after my next few meetings!