autotyping

Adds -> None or scalar return types using heuristics for functions with no return or literal values, saving time on obvious cases as shown in the --none-return and --scalar-return flags.

Infers types from default values (e.g., True for bool) or common names like 'verbose', with flags like --bool-param and --guess-common-names reducing manual annotation effort.

Automatically annotates standard magic methods such as __str__ and __len__ with correct return types, handling tedious cases mentioned in the --annotate-magics flag.

Supports CLI, pre-commit hooks, and LibCST codemods, making it easy to fit into various workflows, as detailed in the Usage and pre-commit sections.

Can import type suggestions from pyanalyze via --pyanalyze-report, extending inference capabilities for more advanced cases beyond basic heuristics.