Brandon Lucas b02807ebf4 feat: add property-based testing framework ...

Implements property-based testing infrastructure:

stdlib/testing.lux:
- Generators: genInt, genIntList, genString, genBool, etc.
- Shrinking helpers: shrinkInt, shrinkList, shrinkString
- Property helpers: isSorted, sameElements

examples/property_testing.lux:
- 10 property tests demonstrating the framework
- Tests for: involution, commutativity, associativity, identity
- 100 iterations per property with random inputs

docs/guide/14-property-testing.md:
- Complete guide to property-based testing
- Generator patterns and common properties
- Best practices and examples

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-02-16 04:39:50 -05:00

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