
Use this skill when you need to write or explain DynamoMapper mappings for DynamoDB `AttributeValue` items in C#. It covers how to declare mapper classes, how `DynamoMapper`, `DynamoField`, `DynamoIgnore`, and `DynamoMapperConstructor` behave, how lifecycle hooks work, what types and nested shapes are supported, how custom conversion really works, and how to troubleshoot DynamoMapper diagnostics and common gotchas without relying on stale docs.
Git workflow automation for committing, branching, and opening pull requests. Use this whenever the user asks to commit their work, create a branch, or create/open/draft a PR.