* Expand static compilation for common Effect 4 patterns
* Run every Effect 4 fixture slice in CI
* Preserve existing corpus behavior across Effect 4 lowering
* Preserve Effect platform callbacks and native stream state
* Record new corpus baselines and retain child stdin refusals
* Retire the obsolete stateful regex diagnostic
* Preserve promise reference count layout for cycle collection
- Support integer widths and clamped arrays with shared storage and exact runtime brands.
- Preserve typed-array values through untyped fields, iteration, and byte I/O.
- Compile native ArrayBuffer response bodies and checked Number predicates.
- Add native RequestInit, AbortSignal, and streaming request and response body support.
- Lower the static fetch surface through both C and LLVM without the embedded engine.
- Add differential, Node-typing, sanitizer, and regression coverage.
Chris Tate