- Rename hasDynamicCall to needsUnpackedCallbackScope in MethodDef
- Replace genScopeSwitchCode with genUnpackedCallbackScopeGuard
- Change prepareScopedCallback to use php::UserCodeScopeGuard
- Add callableScopeVar to FunctionContext for reusable scope management
- Update compiler logic to track unpacked callback scope requirements
- Generate single reusable CallableScope variable per method when needed
- Add comprehensive documentation for scope management design
- Create tests for callback context reuse and scope restoration
- Add non-static self callable test case
- Update method name references in traits test suite
