evoldoers/evoldeeds

AI Summary: Implement a client-side validator for the EvolDeeds game that checks for and rejects phylogenetic trees containing branches with zero length, as these lead to zero likelihood scores due to indels or mismatches. This involves adding validation logic to the React/Vite frontend application before submitting evolutionary histories to the AWS backend.

AI Summary: Implement input validation in the `evoldeeds-crud` Lambda function to prevent scores of NaN or -Infinity from being written to the DynamoDB database. The function should reject these invalid scores and return an appropriate error message before attempting to update the database.