Replace initializer-history and full-path enumeration with a finite projection
join at each source read. Retain conservative local returned-reference effects
and disclose precision loss through static, semantic and captured-web results.
Close full-binding callback cycles while preserving narrowed read semantics.
Fixes#4348Fixes#5138
Refs #4349
Refs #4364
Co-authored-by: Kaoru0822 <[email protected]>
Co-authored-by: Claude Opus 5.5 <[email protected]>
Co-authored-by: Fuxuan-CN <[email protected]>
