@dataclass
class StrLit:
    value: str

@dataclass
class VarRef:
    name: str          # Variable reference (l!name, or plain name)

@dataclass
class ObjectRef:
    name: str          # page.Element.Path reference (resolved by UI linker)

@dataclass
class NumLit:
    value: int | float

@dataclass
class InterpolatedStr:
    parts: list[StrLit | VarRef]  # Chain of string parts and var refs

@dataclass
class MathExpr:
    left: Arg
    op: str          # +, -, *, /, %
    right: Arg

@dataclass
class DictLiteral:
    entries: list[KVPair]  # Key-value pairs

@dataclass
class ListLiteral:
    elements: list[Arg]

@dataclass
class KVPair:
    key: str
    value: Arg

# Union type for all argument types
Arg = StrLit | VarRef | NumLit | InterpolatedStr | MathExpr | DictLiteral | ListLiteral | ObjectRef
Stmt = ActionStmt | IfStmt | RepeatStmt | ForEachStmt | BreakStmt | ReturnStmt
Intermediate Representation (IR)
