docs: add demos and update documentation for new features
Documentation:
- Update IMPLEMENTATION_PLAN.md with current status (222 tests)
- Update feature comparison table (Schema Evolution, Behavioral Types: ✅)
- Add HttpServer to built-in effects list
- Update OVERVIEW.md with working behavioral types examples
Demo Programs:
- examples/schema_evolution.lux - Version annotations, constraints, runtime ops
- examples/behavioral_types.lux - pure, deterministic, commutative, idempotent, total
Sample Project:
- projects/rest-api/ - Full REST API demo with:
- Task CRUD endpoints
- Pattern matching router
- JSON serialization
- Effect-tracked request handling
Tests:
- Add behavioral type tests (pure, deterministic, commutative, idempotent, total)
- 227 tests passing
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Brandon Lucas
705bd57e81