Functional Core / Imperative Shell for Agentic Coding
How Repository Structure, Feature Slices, and Project-Level Skills Guide Coding Agents Toward Self-Contained Features
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Building a Road Network from OSM: Roads, Segments, and Directed Edges
A practical look at how a routing graph emerges from OSM nodes and ways
Building a Routing Graph from OSM: Transition Constraints and Path Constraints
Why a road network needs explicit constraints, not just nodes and edges
Road Networks Are Execution Models, Not Stored Geometry
On semantics, projection, and the architectural difference between stored geometry and executable movement constraints
OpenStreetMap Is Not a Routing Model And Treating It Like One Is Expensive
The structural misalignment between OSM’s flexibility and the deterministic demands of production routing systems.
When Reuse Breaks Decoupling
Why self-contained feature slices collapse the moment we start orchestrating them
Why Simple Changes Rarely Stay Simple
How software systems become resistant to simple change
Building a Durable Telemetry Ingestion Pipeline with Rust and NATS JetStream
Why Direct-to-Database Ingestion Fails at Scale and What Actually Works
Newsletter #2: When Layers Get in the Way
More layers don't make architecture cleaner. They make it harder to see what's actually happening.
Beyond Enterprise OOP: Building Clear, Composable Systems with PostgreSQL and Rust
PostgreSQL Guards the Facts, Rust Defines Intent, and Clarity Scales with the System