- Create stdlib/Std/Io.bux with extern func declarations
- Rename C shim functions to short names (PrintLine, PrintInt, etc.)
- Update all 9 examples to use import Std::Io::{PrintLine, PrintInt};
- Remove manual extern func Std_Io_* declarations from examples
- Add analyzeFull() to return Sema context with method table
- Improve method call desugaring: obj.method() → Type_method(obj)
- Search methodTable by method name when type inference fails
- Add methods.bux example demonstrating struct with extend blocks
- Use analyzeFull in cli.nim for proper method resolution