- Add a strict versioned manifest and direct C ABI lowering for both backends.
- Link declared native inputs through the CLI and compiler APIs with precise diagnostics.
- Cover the ABI under plain and sanitized integration tests and document its contracts.
- names the deliberately re-typed ambient surface, the second-chance preflight, and the declared-but-fenced console members
- the union-edges bullet drops console.log(u), which now dispatches per arm