Ruby through Ops domains: Enumerable and Comparable, lazy pipelines, the spaceship operator, and money-safe BigDecimal arithmetic.

• 2026-07-13Ruby's Alias Chaining and Blocks for Transparent Cost Metering
• 2026-07-03Ruby's Range, Comparable, and Struct for an Event-Blackout Calendar
• 2026-06-22Ruby's Memoization and a TTL-Aware Cache Layer — Conditional Assignment, Hash Default Blocks, and the Staleness Guard for Inference Caching
• 2026-06-12Ruby's Enumerable, Comparable, and BigDecimal for Attribution Rollups