- Add create, save, get, list, and delete for workspaces
- Enable adding and removing files/dirs by path or name
- Integrate codewalker for recursive file discovery
- Make workspaces stateful with created/updated timestamps
- Update example to demonstrate new lifecycle methods
- Introduce HeropromptChild to unify file and dir items
- Replace nested Dir/File structs with a flat `children` list
- Generate prompt content by traversing the filesystem on-demand
- Add `workspace.add_file` for direct file selection
- Simplify `workspace.add_dir` to only add the directory path
- Add `list()` method to generate a full workspace file tree
- Introduce `WorkspaceItem` and `WorkspaceList` structs
- Remove `HeropromptSession` to simplify the public API
- Rename Heroscript action to `heropromptworkspace.configure`
- Enable full heroscript encoding/decoding for workspaces
- Add `select_all` option to recursively add directory contents
- Implement `select_all_files_and_dirs` for file traversal
- Rework prompt building with file tree and content formatters
- Improve `get_file_extension` to handle dotfiles and special files
- Update prompt template to use new structured data model
- Introduce sessions and workspaces for managing context
- Allow adding directories and selecting files
- Generate structured prompts with file maps and content
- Add example script and a prompt template
- Define core data models like `HeropromptWorkspace`
