How can I prompt you so there will not be any More bug or thing? So list the 20 kind of errors and bugs more common in a codebase like this one and create a comprehensive table list of each of them and all the main files and fucnionality and fix until cross all out. Don't add complexity. Ignore security. Only fatal problems
Proceed in the most exhaustive and comprehensive way possible. Don't miss a line of code. SYSTEMATICALLY FIX EVERYTHING