rivox 1.0.0

Universal polyglot build coordination layer for Python, Rust, and Node monorepos
Documentation
## Description
Provide a brief description of the changes introduced by this PR.

## Type of Change
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] Documentation update
- [ ] Refactoring / Performance improvement

## Constitutional Check
- [ ] **Rule 1**: Does NOT implement a custom dependency resolver.
- [ ] **Rule 2**: Native package managers remain authoritative.
- [ ] **Rule 5**: All operation outputs remain 100% deterministic.
- [ ] **Rule 8**: AI does NOT participate in build or graph decisions.

## Testing & Verification
- [ ] All unit tests pass (`cargo test`).
- [ ] Conformance equivalence suite passes (`cargo test --test integration_polyglot`).
- [ ] Formatted with `cargo fmt` and checked with `cargo clippy`.