Revise the current state of the Plasmic app file to achieve MVP readiness.

The majority of the app's screens are already designed, and several components are linked to our Supabase DB.

The Developer should be proficient with Plasmic, a tool akin to Retool, UI Bakery, and Superblocks.

The Developer is expected to finalize the app, taking complete charge of integrating all functionalities to ensure the app operates as intended.

Current app progress estimate: 80%.