Changelog

Language:

• with statement and context managers
• Decorators (@decorator), @property, @staticmethod, and @classmethod
• Dunder methods: __str__, __repr__, __len__, __bool__, __eq__, __lt__, __contains__, __iter__
• Dict comprehensions ({k: v for k, v in ...})
• Set literals ({1, 2, 3})
• for/while else clauses
• match or-patterns
• int() now accepts a base argument for base conversion

New built-in functions:

• next(), iter(), dir(), issubclass(), copy()

New standard libraries:

• io — StringIO for in-memory I/O
• contextlib — suppress context manager
• difflib — LCS-based sequence comparison, unified diff, get_close_matches

Go API:

• GetVarAsSet(name) — typed getter for set variables
• GetVarAsTuple(name) — typed getter for tuple variables
• EvalFile(path) — read and evaluate a script file directly
• ListVars() — returns a sorted list of variable names in the current environment
• UnsetVar(name) — remove a variable from the environment
• Clone() — create an isolated interpreter that inherits library registrations but starts with a fresh environment
• ClassBuilder gains Property, PropertyWithSetter, and StaticMethod for registering Go-backed class members

CLI / TUI:

• Scripts that use console.run() now launch a full TUI automatically; no separate flag needed
• console.set_labels() lets scripts customise the user/assistant labels shown in the TUI